Surgical Technique Guide

Orthopedic Single Pin Adjustable Clamp With Open Vice External Fixator

Manufacturer: Jindal Medi Surge (JMS)
Indication: Fracture stabilization (typically long bones like tibia/femur/humerus), limb lengthening, deformity correction, temporary stabilization in polytrauma.

1. Pre-operative Planning

a. Patient Evaluation

• Assess the patient clinically and radiographically.

• Indications include:

  • Open fractures (Gustilo-Anderson Grade I-III)

  • Comminuted fractures

  • Infected fractures or osteomyelitis

  • Limb deformity or length discrepancy

  • Temporary fixation in polytrauma

b. Equipment Check

Ensure the following components are available:

• Single Pin Adjustable Clamp with Open Vice (JMS)

• External fixator rods (stainless steel or carbon fiber)

• Schanz pins (threaded half pins, compatible diameter)

• Pin-to-rod and rod-to-rod clamps

• T-handle chuck, power drill, depth gauge

• Pre-assembled fixator frame (optional)

2. Positioning and Anesthesia

• Position: Supine for lower limb; supine or lateral for upper limb.

• Anesthesia: Regional (spinal/nerve block) or general anesthesia depending on injury severity.

• Preparation:

  • Cleanse and drape the limb in a sterile manner.

  • Use fluoroscopy for intra-operative guidance.

3. Surgical Steps

Step 1: Pin Insertion

• Use image intensifier to identify safe zones for pin insertion.

• Make small stab incisions on the skin.

• Use a soft tissue protector and drill guide.

• Drill pilot hole for Schanz pin (2.5 mm for 4 mm Schanz).

• Insert the first proximal pin into the metaphyseal region, avoiding neurovascular structures.

• Repeat for second pin distal to the fracture (bicortical purchase is essential).

Note: Maintain alignment and correct orientation of pins (parallel or convergent as per fracture pattern).

Step 2: Application of the Open Vice Clamp

• Mount the Open Vice Adjustable Clamp on the Schanz pins.

• The clamp jaws are opened manually or via screw mechanism.

• Position the clamp to securely grip the pins.

• Adjust the vice to ensure optimal contact and alignment.

• Secure the clamp tightly using a wrench.

Advantage: The open vice design allows for easier application even when soft tissue swelling is present.

Step 3: Connecting Rod Placement

• Select an appropriately sized connecting rod (carbon fiber or SS).

• Attach the rod to the clamp using rod clamps.

• Adjust the rod placement to maintain fracture alignment.

• Tighten the rod clamps securely.

Step 4: Final Fracture Reduction and Clamp Adjustment

• Achieve and verify reduction under fluoroscopy.

• Fine-tune the reduction using the adjustable mechanism in the Single Pin Clamp.

• Lock the clamp once satisfactory alignment is achieved.

4. Post-operative Management

a. Radiographic Evaluation

• • Immediate post-op X-rays (AP and Lateral views) to confirm:

  • Proper alignment

  • Pin position

  • Absence of fracture distraction or malrotation

b. Pin Site Care

• Start pin site cleaning with antiseptic solution on Day 1 post-op.

• Daily dressing or as per hospital protocol.

c. Weight Bearing

• Partial weight-bearing can begin based on fracture type and stability.

Full weight-bearing is usually deferred until early signs of union.

d. Follow-up

• Regular follow-ups every 2–3 weeks.

• Monitor for:

  • Pin loosening

  • Signs of infection

  • Frame integrity

  • Fracture healing progress

5. Frame Removal

• Once radiographic evidence of union is confirmed (typically 8–12 weeks):

  • Remove the connecting rods and clamps.

  • Extract Schanz pins gently.

  • Apply a sterile dressing and compression bandage.

  • Advise limb physiotherapy post-removal.

6. Complications and Management

Complication

Management

Pin tract infection

Local care, antibiotics

Pin loosening

Replace or add auxiliary pin

Delayed union

Bone grafting or dynamization

Frame instability

Reinforce with additional rods/clamps

Neurovascular injury

Avoid by pre-op planning, safe zones

Illustrative Diagrams (Description)

1. Clamp Design Overview

   • Shows open vice mechanism

   • Pin slot with adjustable screw

   • Rod clamp integrated

2. Fixator Configuration Example

   • Application on tibial shaft fracture

   • Two Schanz pins proximal, two distal

   • Single connecting rod lateral side

3. Post-operative X-ray View

   • Shows acceptable alignment and stable fixation

Product Description (Jindal Medi Surge)

• Name: Orthopedic Single Pin Adjustable Clamp With Open Vice

• Material: Stainless Steel 316L (biocompatible, corrosion-resistant)

• Compatibility: Schanz Pins Ø4mm–6mm, Rods Ø8mm–11mm

• Sterilization: EO sterilized or autoclave-safe version available

• Features:

  • Easy application over soft tissue swelling

  • Adjustable vice mechanism

  • Secure lock system

  • Compact and reusable

1. Preoperative Planning
Orthopedic Open Single Pin Clamp 

• Review imaging (X‑ray/CT) to determine fracture pattern, optimal pin‑site positioning, and safe anatomical corridors.

• Choose appropriate single‑pin clamp size (e.g., 4.0 × 2.5 mm stainless steel) and compatible pin/wire (per system specification).

• Prepare surgical setup with a drill, T‑handle, depth gauge, single‑pin clamps, connecting rods, bone pins/wires, and wire cutters jmshealth.com+1jmshealth.com+1jmshealth.com.
  
  

2. Patient Preparation

• Position the limb to allow good surgical exposure.

• Under strict aseptic conditions, mark pin‑site incisions avoiding neurovascular structures.

• Administer appropriate anesthesia and prophylactic antibiotics.
  
  

3. Incision & Pin Insertion

1. Make small longitudinal stab incisions over planned pin‑sites.

2. Drill a pilot hole perpendicular to bone cortex using the appropriate size bit.

3. Insert the bone pin or K‑wire under imaging guidance to ensure correct trajectory and depth.

4. Use a depth gauge to avoid penetrating far cortex or injuring adjacent structures.

5. Insert pins proximal and distal to the fracture, spaced to maximize biomechanical stability.
   
   

4. Clamp Attachment & Rod Assembly

1. Attach the open single‑pin clamp to each pin—engage the pin shaft, then partially tighten clamp screws to hold pin loosely to allow later fine adjustment jmshealth.com.

2. Position connecting rods between clamps; ensure rods are parallel (or in the required frame geometry).

3. Clip rods into clamp holders and align longitudinally.

4. Fine‑adjust alignment of rod and pin(s) to correct rotational or angular deformity before final fixation.
   
   

5. Final Tightening & Stability Check

• Once alignment is optimal, fully tighten all clamp screws and rod‑pin interfaces to prevent micromovements jmshealth.comjmshealth.com+3jmshealth.com+3jmshealth.com+3.

• Confirm reduction and fixator stability under fluoroscopy.

• Gently assess limb range of motion to ensure no impingement and that the construct is rigid.
  
  

6. Wound Closure & Dressing

• Irrigate pin‑sites thoroughly with sterile saline to reduce debris.

• Close skin entry sites if needed using sutures or adhesive strips.

• Apply sterile pin‑site dressings and compressive bandages as indicated.
  
  

7. Postoperative Care & Follow‑Up

• Instruct on pin‑site care: daily cleansing, dressing changes, and monitoring for redness, discharge, or loosening.

• Schedule regular clinical and radiographic evaluations to assess bone healing and frame integrity.

• Plan for periodic frame readjustment if deformity correction or distraction is part of treatment.

• External fixator removal typically occurs 6–12 weeks postoperatively, based on bone union status and surgeon judgment jmshealth.com+6jmshealth.com+6jmshealth.com+6jmshealth.com.
  
  

8. Common Complications & Troubleshooting

• Pin-track infection: most frequent—prevent with asepsis and proper care en.wikipedia.org.

• Fixator loosening: caused by inadequate tightening—monitor and retighten clamps periodically.

• Skin irritation or soft‑tissue impingement: avoid by padding and careful clamp placement.

• Delayed union or over-distraction: ensure fragment contact and avoid excessive distraction en.wikipedia.orgjmshealth.com.

1. Device Overview
Single Pin Adjustable Clamp with Fixed Vice 

• Adjustable Clamp Body: Compatible with 11 mm rod/clamp systems; allows angular and axial adjustment before locking.

• Fixed Vice: Provides rigid locking of the 6–6.5 mm pin shaft after alignment.

• Threaded Part (7 mm): Ensures secure engagement between clamp and rod assembly jmsortho.comjmsortho.com

2. Preoperative Planning

• Assess fracture type, bone quality, and pin site location using imaging.

• Choose appropriate pin diameter (6.0 mm or 6.5 mm) based on clamp version.

• Prepare compatible connection rods (11 mm diameter rods), drill bits, T-handle wrenches.

3. Surgical Steps

A. Patient Preparation

• Position patient based on anatomical site.

• Follow aseptic protocols.

• Preoperatively mark pin insertion points, avoiding neurovascular bundles.

B. Pin Insertion

1. Make a small stab incision.

2. Use fluoroscopic guidance to drill and insert the 6.0 mm (or 6.5 mm) pin with threaded tip into bone.

3. Ensure proper trajectory and depth; avoid over-penetration.

C. Clamp Application

1. Slide the adjustable clamp onto the pin shaft before full seating. Initially, keep the vice loose to allow alignment adjustments.

2. Attach connecting rod into the clamp’s 7 mm threaded interface.

3. Align the rod geometry with respect to other clamps or anatomical axes, adjust rotation/length/distraction as needed.

D. Final Locking

• Once alignment is satisfactory, tighten the fixed vice firmly to lock the pin in place

• Secure the clamp-to-rod interface by fully tightening the threaded 7 mm connection.

E. Frame Stability Check

• Confirm overall stability under fluoroscopy.

• Test construct rigidity manually; ensure no micromotion at pin/clamp.

4. Wound Management & Dressing

• Irrigate pin sites.

• Apply sterile pin-site dressings.

• Secure frame and cover adjacent soft tissue

5. Postoperative Care

• Educate patient/caregiver on daily pin-site care.

• Schedule follow-ups for radiographic evaluation and mechanical maintenance.

• Monitor for infection, pin-loosening, or soft-tissue irritation.

6. Removal

• Removal typically planned after evidence of bone union (can vary depending on fracture site and patient condition).

7. Troubleshooting & Considerations

• Pin-track infection: Use strict aseptic technique and diligent dressing changes jmsortho.com+5jmsortho.com+5jmsortho.com+5jmsortho.com+4jmshealth.com+4jmsortho.com+4jmsortho.com.

• Loosening: Retighten clamps if required; ensure full torque application during surgery.

• Soft tissue pressure: Pad clamp edges and avoid excessive protrusion.

• Misalignment: Use the adjustable clamp's degrees of freedom before locking for precise correction.
  
  

8. Maintenance & Handling

• Use only instruments from the JMS surgical kit.

• Post‑use decontamination: clean, inspect, sterilize according to JMS instructions Google Sites+8jmshealth.com+8jmshealth.com+8jmshealth.com+3jmshealth.com+3jmshealth.com+3.

• Inspect each component before reuse for signs of fatigue or wear.

1. Device Overview
Open Connecting Clamp Ao Type

The AO‑type open connecting clamp is designed for modular external fixation systems (commonly using 11 mm rods), facilitating flexible connection between rods and/or pin clamps. Compatible with AO standard Schanz pins or K-wires, it enables angular and axial adjustment before final locking aofoundation.org+2indianorthopaedic.com+2www.slideshare.net+2.

⚙️ 2. Preoperative Planning

• Fracture assessment: Use imaging (X‑ray or CT) to plan pin and rod positioning around the fracture site.

• Component selection: Choose rod diameter (typically 8 mm or 11 mm) and corresponding connecting clamp that matches your Schanz pin size and system. AO systems typically pair 11 mm rods with clamps sized according to 4–6 mm pin diameters PubMed+1Verywell Health+1.

• Assemble all surgical instruments: drill bits, T‑handle guides, connecting rods, clamps, wrenches, and imaging setup.

⛑️ 3. Surgical Steps

A. Patient Preparation

• Position the patient to allow easy access to the injury site and use fluoroscopy during pin placement.

• Maintain strict aseptic technique and mark safe corridors for pin insertion.

B. Pin Placement

1. Make stab incisions at planned sites.

2. Drill pilot holes and insert AO‑type Schanz pins of appropriate diameter (commonly 5–6 mm), using blunt probes or cannulated instruments for soft-tissue protection.

3. Verify trajectory and depth under imaging to avoid cortical breach or neurovascular injury www.slideshare.netwww.slideshare.net+3Verywell Health+3aofoundation.org+3indianorthopaedic.com+1www.slideshare.net+1.

C. Frame Assembly

1. Apply pin clamps (single or double pin types) to secure pins loosely for later adjustment.

2. Use the AO‑type open connecting clamp to join connecting rods (or rods to clamps) as required in the frame geometry. This clamp permits fine-tuning of rod orientation and spacing before definitive locking orthopaedic-implants.comimageorthosurgical.com.

3. Loosely assemble rods and clamps into the desired construct; ensure rods do not compress soft tissue and the frame is aligned with anatomical axes.

D. Reduction and Adjustment

• Under fluoroscopy, manipulate the rod-to-rod frame to achieve anatomical alignment: correct angulation, translation, and rotation.

• Multiple rods and clamps allow multi-planar constructs (e.g., biplanar or triangular configurations) for enhanced stability www.slideshare.netaofoundation.org.

E. Locking Sequence

• Once optimal reduction is confirmed, fully tighten the open connecting clamp, locking rod-to-rod or rod-to-pin positions.

• Secure individual pin clamps thoroughly to prevent micromotion.

✅ 4. Post‑Assembly Verification

• Confirm frame stability under fluoroscopic imaging.

• Gently assess limb positioning; ensure no soft-tissue tension or impingement and that the frame is rigid.

🔁 5. Wound Closure & Dressing

• Irrigate pin sites with sterile saline.

• Optionally close the small incisions; apply sterile dressings and appropriate padding around the frame.

🩺 6. Postoperative Care

• Instruct patient on pin-site hygiene, daily cleaning, and dressing changes.

• Regular follow-up visits and radiographs to assess fracture union and frame integrity.

• If frame adjustment or dynamization is needed (e.g., after 4–6 weeks), unlock connecting clamps carefully, adjust geometry, and re-tighten Verywell Health.

🧾 7. Frame Removal

• Timing depends on bone healing, typically when radiographs show bridging callus across ≥3 cortices.

• Remove external fixator in a controlled environment, ensuring safe pin extraction and subsequent limb protection to avoid refracture.

1. Device Overview
Single Pin Adjustable Clamp with Fixed Vice 

• Adjustable single pin clamp (11 mm body, 7 mm thread) designed for use with 6.0 or 6.5 mm bone pins jmshealth.comjmsortho.com.

• Fixed vice mechanism clamps firmly onto the pin shaft once the desired alignment is achieved jmsortho.comjmsortho.com.

• Compatible with standard connecting rods (typically 11 mm diameter rods), forming part of a modular external fixator system.

🔍 2. Preoperative Planning

• Evaluate fracture morphology via imaging (X‑ray, CT).

• Select appropriate pin diameter (6.0 mm or 6.5 mm) according to clamp model.

• Ensure availability of 11 mm rods, clamps, drill bits, wrenches, and fluoroscopic imaging.

🩺 3. Surgical Technique

A. Patient Setup & Pin Insertion

1. Position the patient and limb for surgical access and fluoroscopic guidance.

2. After skin prep, mark precise pin‑insertion points.

3. Make small stab incisions; drill pilot holes and insert 6.0/6.5 mm Schanz pins under imaging.

4. Confirm correct pin trajectory and depth; avoid perforation or neurovascular injury.

B. Clamp Application

1. Thread the pins until proper seating is achieved.

2. Slide the adjustable clamp onto the pin shaft before final positioning.

3. Keep the fixed vice loose initially, allowing the clamp to rotate or translate for alignment.

4. Attach the connecting rod into the 7 mm threaded interface of the clamp.

C. Alignment & Final Locking

1. Use fluoroscopy to fine‑tune alignment: rotational, angular, and translational correction.

2. Once satisfied, fully tighten the fixed vice to lock the pin shaft robustly.

3. Secure the rod‑clamp threaded interface completely to prevent micromotion.

4. Repeat for all clamps to complete the external fixation frame.

✅ 4. Frame Verification

• Confirm fixation stability under real‑time imaging.

• Perform gentle limb manipulation to verify rigidity and absence of soft‑tissue tension.

🩹 5. Wound Management & Closure

• Irrigate pin‑sites thoroughly.

• Close incisions if needed; apply sterile dressings and secure adjacent soft tissue.

🧪 6. Postoperative Protocol

• Educate on daily pin‑site cleansing and inspection.

• Schedule regular follow‑ups for radiographic assessment and hardware integrity.

• Be prepared for minor adjustments if alignment shifts or stability issues occur.

🗓️ 7. Removal Planning

• Base the timing of fixator removal on radiological signs of union (usually bridging callus across ≥3 cortices).

• Coordinate removal in a controlled clinical setting, ensuring safe pin removal and limb protection.

1. Overview of the Device

• The Twin Adjustable Clamp (Straight / Curved) features a 7 mm threaded vice, compatible with Schanz pins Ø 4–6 mm and rods Ø 8‑11 mm. It is available in either straight or curved designs to accommodate anatomical configurations jmsortho.com+10Jindal Medi Surge+10jmshealth.com+10.

• Manufactured from medical‑grade stainless steel (316L) or titanium, it includes an adjustable vice mechanism with a secure locking system and is reusable and sterilizable by EO or autoclave methods jmshealth.com+1jmsortho.com+1.

2. Indications

• Trauma stabilization in complex/open fractures

• Deformity correction

• Limb lengthening and bone transport

• Damage‑control orthopedics in polytrauma settings Jindal Medi Surge+6Jindal Medi Surge+6jmsortho.com+6.

3. Pre‑operative Preparation

1. Choose pins and configuration (e.g. two proximal, two distal Schanz pins on tibial shaft).

2. Ensure all components (pins, rods, clamps) are sterilized and arranged systematically, including drill guides, wrenches, and trays Tradeindia+10jmshealth.com+10Jindal Medi Surge+10.

4. Pin Placement Technique

• Under fluoroscopic guidance, insert Schanz pins through skin into the bone perpendicular to the long axis.

• Place them in a staggered, bi‑cortical manner (e.g., two above and two below fracture site) to permit stable fixation jmshealth.com+1jmsortho.com+1.

5. Clamp Attachment

1. Slide the Twin Adjustable Clamp over each inserted pin.

2. Secure using the adjustable vice: tighten until the pin is held gently but solidly.

3. Verify angular orientation and spatial position before full locking jmsortho.com+4jmshealth.com+4Jindal Medi Surge+4jmsortho.com.

6. Frame Assembly

• Use connecting rods (tubular or solid) of Ø 8–11 mm to link clamps on each side, forming the external frame.

• Arrange rods laterally or medially depending on anatomical site.

• Adjust alignment to achieve reduction of bone fragments using the adjustable clamp mechanism jmsortho.com.

7. Final Locking & Adjustment

• Once alignment is verified (clinically and under imaging), fully lock each clamp vice.

• Fine‑tune frame rigidity and ensure no movement at pins.

• Confirm overall reduction and frame integrity radiographically.

8. Post‑operative Care & Maintenance

• Regularly inspect pin entry sites and skin for infection.

• Periodically check clamp and rod tightness; re‑tighten if needed.

• Adjust frame as necessary during fracture healing or deformity corrections.

• Remove when sufficient callus formation is seen and bone stability is confirmed

1. Device Overview

• The clamp features a 7 mm threaded portion and a fixed vice (i.e. non‑open, rigid locking) designed to secure one Schanz pin (typically 6.0 mm diameter). The adjustable clamp permits rotational and angular adjustments before final locking Tradeindia+11jmshealth.com+11jmsortho.com+11jmsortho.com.

• Available in stainless steel (11 mm size) or titanium for enhanced biocompatibility and lower weight jmsortho.com+1jmsortho.com+1.

2. Indications

Used in unilateral external fixator constructs for:

• Stabilizing complex or open long‐bone fractures

• Limb lengthening or bone transport procedures

• Damage control orthopedics in trauma settings jmshealth.com+9jmshealth.com+9jmsortho.com+9.

3. Pre‑operative Planning & Setup

• Select pin size (e.g. 6 mm Schanz) compatible with the clamp’s fixed vice.

• Sterilize all components (clamps, connecting rods, pins, wrenches, drill bits) according to manufacturer’s guidelines jmshealth.com+6jmsortho.com+6eBay+6.

• Lay out a surgical tray including T-handles, depth gauges, and wrench tools.

4. Schanz Pin Insertion

1. Under fluoroscopy, make a small incision at the intended entry site.

2. Drill pilot hole through both cortices of the bone along the planned trajectory.

3. Insert the 6 mm Schanz pin and advance bicortically, ensuring secure purchase in solid bone jmshealth.com+1jmsortho.com+1jmshealth.comjmsortho.com+1jmsortho.com+1.

5. Clamp Mounting & Positioning

1. Slide the clamp over the protruding pin.

2. Use the clamp’s adjustable mechanism to orient the clamp (rotation/angle) relative to the pin.

3. Once ideal orientation is achieved, fully tighten the fixed vice to lock the pin rigidly in position jmsortho.com.

6. Frame Construction

• Insert connecting rods or tubular rods (typically Ø 8–11 mm) into the clamp body.

• Attach additional clamps on other pins to build the unilateral frame

• Align and adjust the frame to reduce fracture and achieve proper limb alignment before final tightening jmsortho.com.

7. Final Tightening & Verification

• Confirm alignment clinically and radiographically.

• Fully torque the fixed vice to lock the pin and clamp firmly.

• Ensure the frame is rigid and no micromotion is present at the pin–clamp interface.

8. Post‑operative Management

• Clean and dress pin sites frequently to prevent infection.

• Monitor for any loosening; re-tighten clamps if needed.

• Immobilize frame during rest but allow controlled motion per rehabilitation protocols.

• Remove frame once adequate bone healing and stability are verified

1. Device Overview

• The Transverse Clamp is used in external fixation systems to rigidly anchor one or more Schanz pins in a transverse configuration across the fracture or bone segment. It’s part of JMS’s fixator component range alongside single/double pin, tube-to-tube, twin adjustable, and connecting clamps Google Sites+12www.slideshare.net+12jmshealth.com+12.

• Available in standard stainless steel; designed for use with pins and rods within JMS’s system (e.g. Schanz pin Ø 4–6 mm, rod Ø 8–11 mm) jmshealth.comExporters India.

2. Indications

Ideal for:

• Cross-pin fixation in metaphyseal/fracture zones (e.g., tibial plateau, distal femur, apophyseal fractures)

• Enhancing rigidity in multi-planar constructs

• Stabilizing small bone segments or together joining rods in perpendicular orientation Exporters Indiawww.slideshare.net

3. Pre‑operative Planning & Setup

• Confirm compatibility: select Schanz pins matching clamp bore and thread specifications (typically 6 mm pin for 7 mm thread clamp interface).

• Sterilize all hardware: clamps, Schanz pins, connecting rods, wrenches, drill guides—all according to manufacturer’s instructions jmshealth.com+2jmshealth.com+2www.slideshare.net+2.

• Lay out components in OR tray with assisting instrumentation ready.

4. Pin Placement

1. Use fluoroscopic guidance to insert Schanz pins across the bone transversely.

2. Ensure bicortical engagement of pins, placed perpendicular to bone surface and spanning fracture site or segment of interest.

3. Ideal pin configuration will allow mounting two or more clamps in opposite or orthogonal planes as needed.

5. Clamp Mounting & Orientation

1. Slide the transverse clamp over the protruding pin(s), aligning correctly to permit perpendicular support.

2. The clamp design allows rotation and alignment so that connecting rods may be fixed at 90° orientation relative to pins.

3. Adjust orientation prior to tightening the vice mechanism to ensure correct mechanical axis and construct geometry.

6. Frame Assembly

• Once clamps are positioned, affix external rods or tubular connectors (Ø 8–11 mm) to the clamp body.

• Use one or more transverse clamps to create a rigid cross-brace between parallel rods or pin planes—particularly helpful in complex fractures requiring multiplanar stability.

• Adjust as needed before final locking to achieve fracture reduction and frame integrity.

7. Final Locking & Radiographic Check

• After confirming alignment clinically and radiographically, fully tighten the clamp vice mechanism to rigidly lock pin and rod interfaces.

• Confirm absence of micromotion and ensure firm coupling between pins and rods

8. Post‑operative Management

• Keep pin sites regularly cleaned and dressed; watch for signs of pin‑tract infection.

• Periodically verify clamp tightness and re-tighten if loosening is detected.

• Monitor bone healing progress; transverse clamp typically maintained until sufficient callus formation and stable bone union are evident.

1. Device Overview

• The Double Pin Clamp is engineered to securely grip two parallel Schanz pins, enabling enhanced rigidity and alignment control in external fixation constructs. It’s part of JMS’s standard clamp series alongside single‑pin, twin adjustable, and transverse clamps jmshealth.com+4www.slideshare.net+4jmsortho.com+4.

• Available in standard stainless steel configurations for 6–8 mm pins and compatible with 7 mm threaded rod interface Ø 8–11 mm jmshealth.comGoogle Sites.

2. Indications

This clamp is ideal for:

• Enhanced stabilization in long-bone fractures (e.g. tibia, femur)

• Multiplanar fixation where two pins must be held in precise relation

• Constructs requiring increased torsional and bending stiffness

3. Pre‑operative Planning & Setup

• Confirm compatibility: Choose Schanz pins sized to match clamp bore and threading (typically two 6 mm pins for the 7 mm clamp thread interface) Exporters IndiaExporters India+3jmshealth.com+3jmshealth.com+3Google Sites+9Google Sites+9Exporters India+9jmshealth.comwww.slideshare.net+1tenderdetail+1.

• Sterilization: Autoclave or EO-sterilize clamps, pins, rods, wrenches, and associated instrumentation per manufacturer’s guidelines jmshealth.comjmshealth.com.

• Tray setup: Prepare drill guides, depth gauges, T-handles, torque wrenches, and fixator components in a logical layout.

4. Schanz Pin Placement

1. Under fluoroscopic guidance, place two Schanz pins parallel to each other across the bone segment.

2. Ensure bicortical purchase and appropriate spacing to align with clamp holes.

3. Pins should be positioned in a plane that optimizes construct geometry and load distribution.

5. Clamp Mounting & Orientation

1. Slide the double pin clamp onto both protruding pins simultaneously.

2. Adjust orientation so the clamp aligns correctly with the external connecting rods.

3. Before locking, verify angular positioning to ensure proper alignment and avoid soft tissue impingement.

6. Frame Construction

• Attach Ø 8–11 mm connecting rods or tubular rods to the clamp's rod interface.

• Build the external fixator frame by combining multiple clamps and rods as needed.

• The double pin clamp enhances rigidity and minimizes micromotion between the two pins via a unified fixture point.

7. Final Locking & Radiographic Assessment

• Once alignment is confirmed (clinically and radiographically), fully tighten both vice mechanisms to immobilize the pins within the clamp.

• Verify construct stability and ensure no movement at the pin–clamp junction.

8. Post‑operative Care & Maintenance

• Clean and dress pin-tract sites regularly; inspect for signs of infection jmsortho.com+2Exporters India+2www.slideshare.net+2jmsortho.com+5jmshealth.com+5jmshealth.com+5.

• Check clamp and rod tightness periodically and re-tighten if loosening is observed.

1. 📦 Device Overview

The tube‑to‑tube clamp (Item Code: 4210.0101 T) is a titanium external fixation clamp designed to connect two 8 mm tubular rods. It uses a single adjustment bolt with serrated clamp jaws to lock the rods securely in position jmshealth.com+10jmsortho.com+10Jindal Medi Surge+10.

Key features include:

• Titanium construction: Lighter weight, excellent biocompatibility, and corrosion resistance.

• Open jaw design: Accepts two 8 mm rods and locks via serrations and a single bolt.

• Compatibility: Fully integrated into JMS external fixator systems using 8 mm tubular rods jmsortho.com.

2. Indications

This clamp is particularly useful for:

• Connecting and stabilizing 8 mm rods in external fixator assemblies (unilateral frames, ring constructs, or multiplanar configurations).

• Increasing construct stiffness between parallel rod segments.

• Applications where lightweight and biocompatible materials are preferred (e.g. pediatric, long-term use, allergy-sensitive patients).

3. Pre‑operative Setup

• Confirm that the rods are 8 mm diameter tubular rods; verify titanium material if specified.

• Sterilize all components (clamp, rods, screws, supporting hardware) via autoclave or EO per JMS guidelines jmsortho.com+1jmsortho.com+1.

• Assemble surgical tray with required instruments: torque wrench (if available), handles, drill guides, cleaning supplies.

4. Assembly Technique

Step-by-step:

1. Rod Placement:

   • Position two 8 mm rods in the desired configuration (parallel, angled, cross-braced).

   • Slide the tube‑to‑tube clamp over both rods where connection is needed.

2. Initial Adjustment:

   • Lightly tighten the bolt to position the clamp in millimetric alignment.

   • Align rods to desired trajectory and frame geometry before locking.

3. Final Fixation:

   • Once optimal position is confirmed both clinically and via fluoroscopy, fully tighten the clamp bolt.

   • Serrations in the clamp body engage firmly with the rods, providing secure rigid fixation eBay+6jmsortho.com+6jmsortho.com+6.

5. Construct Integration

• Incorporate connected rods/clamps into the overall external fixator structure.

• Use additional clamps (single or double pin clamps, twin adjustable clamps) as anchors to bone pins or rings.

• Verify that the assembled rods-and-clamps frame achieves desired alignment and rigidity.

6. Post‑operative Maintenance

• Regularly inspect clamp and rod junctions in follow-up visits.

• Redress pin sites, monitor for loosening, and retighten screws if micromotion is observed.

• Remove the clamp when bone healing is sufficient and definitive stability is confirmed.

1. Device Overview

• The Clip-On Self-Holding Clamp (item 4210.011T) is made of titanium and designed to securely grip Schanz pins or tubular rods via a spring-loaded, open‑clip mechanism. It holds components in place automatically as you assemble the frame jmshealth.com+7Jindal Medi Surge+7jmsortho.com+7Imimg.

• The clamp features side-entry capability (rods/pins can be inserted laterally), making intraoperative positioning easier. Two spring‑loaded nuts automatically engage when inserted Jindal Medi SurgeJindal Medi Surge.

2. Indications

• Designed for rapid external fixator assembly in trauma settings or damage-control situations.

• Useful in multi-planar frame architectures, including unilateral, delta, and ring fixator constructs where adjustable and self-engaging clamps improve workflow and stability.

• Titanium construction offers low weight, high biocompatibility, and non-ferromagnetic imaging compatibility Jindal Medi Surge.

3. Pre‑operative Planning & Setup

• Confirm the clamp version as 4210.011T (titanium) and ensure rod/pin diameters are compatible (typically 8 mm rods or standard Schanz pins as per system specs).

• Sterilize clamp and associated hardware (rods, pins, wrenches) per manufacturer’s instruction.

• Lay out operative tray with drill guides, hex wrenches (likely 7 mm), and torque tools if needed.

4. Component Insertion & Clip-On Attachment

1. Slide the clamp onto a Schanz pin or rod laterally via the open side-entry design.

2. As the rod or pin enters, the spring-loaded nuts engage automatically, self-holding the clamp in place pending final orientation and tightening jmsortho.com+2Jindal Medi Surge+2Imimg+2.

5. Adjustment & Frame Building

• Lightly tighten the adjustment screws to permit fine tuning of clamp position and angular orientation.

• Insert additional rods/pins into related clamps similarly to build the external fixator frame — this clamp allows quick provisional fixation before full alignment.

• Use standard connecting rods and other clamps (e.g., twin adjustable, double-pin) to assemble the complete frame.

6. Final Locking

• When optimal alignment is confirmed clinically and radiographically, fully tighten the clamp’s screws to engage serrations and secure components.

• Confirm that no motion remains at the rod/pin–clamp interface and that the frame is rigid.

7. Post‑operative Care

• Monitor clamp–rod junctions regularly and inspect for loosening—retighten as needed.

• Maintain standard pin-site care protocols to prevent infection.

• Remove clamp only when radiological bone union is confirmed and mechanical stability achieved.

1. 🧰 Device Overview

• The Combination Clamp 4210.011LT is a large, titanium, clip‑on self‑holding clamp with dual tube-pin capability sized 11 mm × 5 mm jmshealth.comjmsortho.com.

• Designed to simultaneously engage two components—typically one 11 mm rod and one 5 mm rod/pin—enabling versatile multiplanar construct assembly.

• Features include spring‑loaded nuts for automatic provisional holding and open‑clip side entry for quick insertion of rods or pins before final tightening jmshealth.com.

2. Indications

• Ideal for large external fixator constructs requiring connection of rods and pins of different diameters (e.g., 11 mm rod to 5 mm pin).

• Well-suited for rapid frame assembly, trauma stabilization, deformity correction, or ring constructs, with the benefit of hands-free positioning during setup.

• Titanium construction offers low weight, non‑ferromagnetic imaging compatibility, and excellent biocompatibility.

3. Pre‑operative Planning & Setup

• Confirm you have the 4210.011LT (large titanium) version and ensure compatibility with 11 mm rods and 5 mm pins.

• Sterilize all components per standard protocol per JMS guidelines.

• Prepare surgical tray including hex wrenches, torque tools, rod holders, and fluoroscopy setup.

4. Clip-On Attachment & Adjustment

1. Side-entry insertion: Slide the clamp laterally onto the 11 mm rod and/or the 5 mm Schanz pin—the spring-loaded nuts automatically engage to hold the clamp in preliminary position jmsortho.com+8jmshealth.com+8a-zortho.com+8jmshealth.com.

2. Provisional fix: Without fully tightening, orient the clamp for correct alignment, frame geometry, and spatial planning.

3. Fine adjustment: Loosely adjust screws to refine angulation or position for proper construct orientation.

5. Frame Construction

• Use the combination clamp to integrate rods and pins within a larger external fixator frame.

• Particularly valuable when connecting a long support rod (11 mm) with a smaller guide or pin assembly (5 mm) in complex configurations

• Combine with other clamps (e.g., twin adjustable, double pin) to build a rigid, stable, and anatomically aligned fixator.

6. Final Locking & Verification

• After confirming alignment—clinically and radiographically—fully tighten both clamp screws to engage serrated jaws and secure components.

• Verify there is no micromotion, ensuring construct rigidity and stability.

7. Post‑operative Care & Maintenance

• Inspect clamp–rod and clamp–pin junctions in follow-ups; retighten if loosening is detected.

• Maintain pin-site hygiene and monitor for infection.

• Deconstruct and remove once radiographic union is confirmed and mechanical stability is achieved.

1. ⚙️ Device Overview

• The Hybrid Right Angle Clamp (Code 4210.0321) is part of JMS’s external fixator component line, engineered to connect rods or rings at a precise 90° angle. It provides hybrid functionality, integrating mixed components (e.g., ring-to-rod, rod-to-rod) into multiplanar constructs ExportersIndia+7Imimg+7jmsortho.com+7jmsortho.com.

• Typically fabricated from stainless steel, this clamp supports 6–8 mm rods and standard ring attachments, offering adjustable screws for secure positioning jmsortho.comjmsortho.com.

2. Indications

Use cases include:

• Assembly of multiplanar external fixator frames, especially ring constructs needing perpendicular connections.

• Situations where right-angle rigidity enhances construct stiffness and alignment.

• Ideal in hybrid assemblies combining rings and tubular rod systems

3. Pre‑operative Planning & Setup

• Confirm device code 4210.0321 (Hybrid Right Angle Clamp) is in use.

• Ensure compatibility of rods (6–8 mm) and rings before surgery.

• Sterilize clamps, connecting rods, rings, and instruments per JMS protocols via autoclaving or EO sterilization Jindal Medi Surge+1jmsortho.com+1jmshealth.com.

• Lay out T‑handles, hex/torque wrenches, fluoroscopy, and measuring guides on the surgical tray.

4. Fixation Component Placement

1. Plan and place Schanz pins or Ilizarov wires/rings under imaging guidance (radiographs or fluoroscopy).

2. Secure pins or wires in bone segments with bicortical engagement or ring fixation as appropriate

5. Clamp Mounting & Orientation

1. Position the Hybrid Right Angle Clamp to bridge a rod to a ring or rod‑to‑rod at a 90° configuration.

2. Lightly engage the clamp screws to provisionally hold orientation while still allowing fine adjustment.

3. Check alignment relative to anatomical axis or mechanical frame geometry prior to final locking.

6. Frame Construction

• Insert the rod(s) or ring stub into the clamp, orienting at right angles relative to the opposite structure.

• Add additional clamps, rings, and rods to build a rigid fixation frame incorporating multiplanar support.

• Utilize the hybrid clamp to stabilize junctions between vertical and horizontal elements seamlessly.

7. Final Locking & Imaging Confirmation

• After confirming correct alignment clinically and radiographically, fully tighten the clamp’s securing screws.

• Confirm that the junction is rigid with zero micromotion and optimal support of the mechanical axis.

8. Post‑operative Management

• Continuously inspect clamp–rod and clamp–ring assembly points for stability.

• Retighten as needed and perform regular pin-site dressing care.

• Remove clamp only after radiographic evidence of stable union and sufficient biomechanical fixation.

1. 🧰 Device Overview

• Product code 4210.011S corresponds to the Clip-On Self-Holding Clamp Small (S.S. + Aluminum) Tur Design jmshealth.com+10jmshealth.com+10jindalmedisurge.wordpress.com+10.

• This small-sized clamp utilizes a clip-on mechanism with spring-loaded retaining nuts, enabling side-entry assembly and self-holding grip before final locking.

• Constructed from stainless steel housing with aluminum alloy components, optimized for reduced weight and cost, while retaining durability.

• Ideal for small-diameter rods or pins (typically 4–6 mm systems) in compact external fixator frames europe.bloombiz.com+3jmshealth.com+3jmshealth.com+3.

2. Indications

• Used in mini external fixator constructs, pediatric applications, metacarpal/phalangeal fixation or veterinary scenarios requiring small-scale hardware.

• Best suited when rapid provisional assembly and minimal-profile hardware is desirable.

3. Pre-operative Setup

• Confirm clamp variant 4210.011S (small, S.S. + aluminum) is correctly selected.

• Verify compatibility of components: typically 4–6 mm Schanz pins or rods.

• Sterilize clamp, pins/rods, insertion tools, and associated wrenches per manufacturer recommendations.

4. Clip-On Attachment

1. Side-entry mounting: Slide the clamp laterally onto the rod or pin—the spring-loaded nuts will automatically engage to hold it provisionally.

2. The clip-on design allows quick installation even in tight operative fields before final orientation.

5. Provisional Adjustment & Frame Building

• After engaging, lightly tighten screws to allow fine-tuning of clamp position and orientation.

• Use multiple clamps and rods to construct a compact mini-frame; this small design helps minimize silhouette and bulk.

6. Final Locking & Confirmation

• Once correct alignment is achieved (clinically and fluoroscopically), fully tighten the clamp screw to lock components securely.

• Ensure no micromotion exists at rod/pin–clamp interface before moving on to next assembly step.

7. Post-operative Care

• Monitor clamp–rod junctions during follow-ups; retighten if loosening is observed.

• Maintain regular pin-site care if used with Schanz pins.

• Remove hardware when radiographic healing is confirmed and stability of fixation is sufficient.

🧰 Concept & How It Might Function

• Hybrid implies mixed-component compatibility—like connecting a ring or wire to a standard rod.

• Straight clamp suggests the clamp aligns elements in the same linear axis (as opposed to a right-angle orientation).

• JMS typically offers hybrid right-angle clamps (e.g., part 4210.0321) for perpendicular connections jmshealth.comjmsortho.comjmshealth.com. A straight variant—if present—likely serves a similar function but in axial alignment.

⚙️ Surgical Technique (Hypothetical – based on JMS hybrid concepts)

If such a clamp exists or is custom/OEM:

1. Device Overview

• Titanium or stainless steel clamp connecting dissimilar elements—e.g., an Ilizarov carbon ring and an 8 mm tubular rod—in a straight-line configuration.

• Designed to support multiplanar constructs with inline alignment.

2. Indications

• Used in hybrid external fixator frames where ring-mounted wires/wires need inline connection to tubular rods.

• Helpful in fracture stabilization, deformity correction, or combined unilateral/ring fixator constructions.

3. Pre-operative Planning & Setup

• Confirm component compatibility: rod diameter (e.g., 8 mm), ring wire size, pin dimensions.

• Sterilize all parts as per JMS user manual jmshealth.com+2jmshealth.com+2jmshealth.com+2jmshealth.com.

4. Component Placement

• Insert the ring pins or Ilizarov wires into bone as planned.

• Position the connecting rod parallel to the ring’s structural plane.

5. Clamp Mounting & Provisional Holding

• Mount the hybrid straight clamp over both rod and ring (or dual rods) aligned inline.

• Lightly tighten screws to allow fine orientation adjustments.

6. Frame Assembly

• Use other JMS clamps (e.g., tube-to-tube or twin adjustable clamps) to complete the fixator frame.

7. Final Locking & Verification

• After radiographic/clinical alignment confirmation, fully tighten clamp screws.

• Ensure rigid coupling and absence of micromovement at junction.

8. Post‑operative Care

• Monitor clamp junctions, maintain pin-site hygiene, retighten if loosening occurs.

• Remove the clamp once bone union and mechanical stability are confirmed.

1. 🧠 Device Overview

This compression–distraction device (large) is a stainless‑steel mechanical module designed to apply controlled, axial compression or distraction between bone segments during external fixation. It integrates into uniplanar or multiplanar fixator frames via standard 6–8 mm rods and adjustable clamps Google Sites+12jmsortho.com+12Jindal Medi Surge+12.

2. ⚙️ Indications

• Limb lengthening and bone transport procedures

• Controlled compression across fracture or osteotomy sites to promote healing

• Gradual deformity correction in adult and pediatric patients

• Damage‑control orthopedic stabilization with precise axial adjustment needs JMS Health+5jmsortho.com+5JMS Health+5JMS Health+2JMS Health+2JMS Health+2

3. 🛠 Pre‑operative Planning & Setup

• Confirm availability of the large compression–distraction module (4210.0300)

• Ensure compatibility with rods (typically 6–8 mm tubular rods or carbon fiber rods) and existing JMS clamps

• Sterilize device and all fixator components per JMS guidelines JMS Health+1jmsortho.com+1JMS Health+3JMS Health+3JMS Health+3

• Assemble surgical tray: drill guides, wrenches, depth gauges, torque tools, and fluoroscopic setup

4. 🔩 Frame & Pin Placement

1. Place Schanz pins or Ilizarov wires into bone segments with bicortical purchase under imaging guidance

2. Assemble an external frame using standard JMS clamps (e.g. single‑pin, twin adjustable, tube‑to‑tube) and rods to span across the target bone segment

5. 🚀 Assembly of the Compression–Distraction Device

1. Integrate the compression–distraction unit into the fixator by mounting it between two rods aligned on the mechanical axis

2. Use connecting clamps to secure rods into the device; orient it axially for directed compression or distraction

3. Lightly tighten clamps and screws to permit minor positioning adjustments before locking JMS Health+4JMS Health+4JMS Health+4jmsortho.comJMS Health+2Jindal Medi Surge+2JMS Health+2

6. 📉 Controlled Adjustment Technique

• For compression, rotate the adjustment knob/screw mechanism to bring bone segments closer together incrementally

• For distraction, reverse the mechanism to gradually increase the gap between segments

• Adjustments can be performed intraoperatively or postoperatively, guided by imaging and the surgical plan

7. 🛡 Final Locking & Verification

• Once correct alignment (compression or distraction) is achieved, fully tighten clamps and device screws to lock the construct rigidly

• Use fluoroscopy to confirm segment positioning and absence of micromotion at the bone–device junction

8. 🩺 Post‑operative Management

• Clean and dress pin/wire sites regularly to prevent infection

• During lengthening or compression phases, perform scheduled incremental adjustments under supervision

• Monitor bone healing progress and device alignment with periodic imaging

• Upon achieving clinical and radiographic union, fully dismantle the device and external fixator in stages according to protocol

Code

Item Name

Material / Size

Purpose / Use in Surgery

4210.03231

Spanner 7 mm

Stainless Steel

Used for tightening or loosening 7 mm nuts, common in mini external fixators and clamps.

4210.03232

Spanner 10 mm

Stainless Steel

Used for 10 mm nuts, typically in medium-sized external fixator clamps.

4210.03233

Spanner 13 mm

Stainless Steel

Used to handle 13 mm bolts, generally found in large clamps or rod-to-rod connectors.

4210.03234

Screwdriver 7 mm

Stainless Steel

May be hex or flat-head; for tightening 7 mm bolts or screws in fixation systems.

4210.03235

Aluminum Graphic Box for Titanium Clamp

Aluminum (Lightweight, Sterile)

Used for safe organization, sterilization, and storage of titanium clamps/instruments in OR trays.

4210.033

Washer (Mal Design) (316L Stainless Steel)

316L SS

Orthopedic washer with Mal-style contour, used under nuts to distribute pressure and avoid loosening; compatible with Schanz pins and rods.

🛠 Usage Notes

🔹 Spanners (4210.03231–33)

• Feature open-ended or ring design (varies) for effective torque transfer.

• Ensure appropriate sizing to avoid stripping nut corners.

• Frequently used during:

  • External fixator assembly (e.g., clamps, rod connections)

  • Fracture frame tightening

  • Bone transport setups with compression/distraction modules

🔹 Screwdriver 7 mm (4210.03234)

• Can be hex driver or flat-head, depending on clamp design.

• Used to:

  • Drive bone screws or locking bolt

  • Final-torque fixator clamps

🔹 Aluminum Graphic Box (4210.03235)

• Autoclavable storage tray

• Typically customized with slots/foam padding for titanium clamps.

• Ensures instrument safety and organization for OR sterilization teams.

🔹 Washer (Mal Design) – 4210.033

• "Mal design" typically refers to a contoured or sloped washer used to prevent stress concentration.

• Used under clamp nuts or screw heads to:

  • Distribute compressive forces evenly

  • Prevent fixation slippage or bone damage

1. 📦 Product Line-up & Component List

Based on the JMS product catalog, here are the items you’ve listed under the Compression‑Distraction Device system:

• 4210.0301: Compression‑Distraction Device – Small

• 4210.0303: Small Open Clamp

• 4210.0304: Medium Clamp

• 4210.0305: Adjustable Half‑Pin Clamp

• 4210.0306: Adjustable Wire‑Pin Clamp (AO Type)

• 4210.03071: Aluminum Clamp 6 mm (Blue)

• 4210.03072: Aluminum Clamp 8 mm (Golden)

• 4210.03073: Aluminum Clamp 11 mm (Golden)

• 4210.0311: Femoral Joint Clamp (Mono‑Axial)

• 4210.0312: Femoral Joint Clamp (Poly‑Axial)

• 4210.0313: Translation / Rotation Device

• 4210.0314: Orthofix (Aluminum) Collex Fixator

• 4210.0315: Aluminum Clamp Large

• 4210.0316: Aluminum Clamp Medium

• 4210.0317: Aluminum Clamp Small

• 4210.0318: Fiber Fixator Large

• 4210.0319: Fiber Fixator Small

• 4210.032: Clamps for 6 mm Rod

These are all part of JMS’s small-frame, lightweight modular system used for controlled segmental adjustment JMS Health+8Imimg+8Imimg+8.

2. 🛠 System Overview

These components form a miniature, lightweight fixator ensemble designed for precise axial control and multiplanar construct adaptability, especially in pediatric, hand, veterinary, or small bone segment scenarios.

• Small Compression‑Distraction Device (4210.0301): Core device that couples into rods and clamps to enable controlled axial compression or distraction across an osteotomy or fracture.

• Clamp Variants (0303–0306, 03071–03073, etc.): These allow modular assemblies with pins (half-pin or wire) or rods of different diameters (6 mm, 8 mm, 11 mm), enabling custom frame geometries.

• Translation / Rotation Device (4210.0313): Provides fine control of translation or rotational corrections when integrated within the fixator frame.

• Femoral Joint Clamps (0311 mono-axial, 0312 poly‑axial): Specialized clamps for femoral instrumentation in joint-spanning constructs.

• Orthofix Collex Fixator (0314): A branded aluminum fixator frame module compatible with the system.

• Fiber Fixators: Radiolucent carbon fiber components for minimal imaging obstruction.

3. 🧰 Surgical Technique & Stepwise Assembly

Step 1: Pre-Operative Planning

• Assess fracture/deformity, select appropriate pins, rods, clamps.

• Sterilize all components as per JMS protocols jmsortho.com+1JMS Health+1.

Step 2: Pin/Wire Insertion

• Under fluoroscopy, insert appropriate fixation: half-pin or wire depending on clamp choice.

• Achieve bicortical purchase or secure wiring technique.

Step 3: Clamp Attachment

• Attach compatible clamp (e.g., small open, adjustable half-pin or wire clamp) to the pin/wire or rod.

• Use color-coded aluminum clamps per rod size for easy identification (blue for 6 mm, golden for 8 or 11 mm).

Step 4: Frame Building & Device Integration

• Connect rods via clamps to build the external frame.

• Mount the Small Compression‑Distraction Device (0301) inline between two rods to allow axial adjustment.

• Add Translation/Rotation Device (0313) or joint clamps (0311/12) as needed.

Step 5: Provisional Positioning

• Loosely tighten clamp screws to allow fine adjustments in alignment and angulation.

• Use the translation/rotation module or monofocal alignment before final locking.

Step 6: Controlled Adjustment

• Actuate the compression‑distraction mechanism to apply controlled axial forces: compress or distract segments as per plan.

• Use the translation/rotation device to correct residual angular or rotational malalignment.

Step 7: Final Locking

• Once correct alignment and segment positioning are achieved, fully tighten all clamps and device screws.

• Confirm rigidity and absence of micromotion radiographically.

Step 8: Post‑operative Management

• Regularly monitor pin-wires sites for infection.

• Provide instructions to the patient/caregiver for using the distraction/compression device if adjustments are done postoperatively.

• Plan imaging follow-up and eventual removal protocol.

🔧 1. Tool Overview

• The Allen Key (Two‑Sided) Special Mal Design (code 4210.0331) is a dual-ended hex wrench included in JMS’s “Mal Design” accessory lineup abscdn.orthofix.it+85.imimg.com+85.imimg.com+8.

• Features include two different hex tip sizes—commonly 3.4 mm and 5 mm or other specific hex profiles—designed to fit the “Mal Design” titanium alloy clamp screws and associated components 5.imimg.com.

🛠 2. Clinical Use & Compatibility

• Primarily used to tighten or loosen special hex-head screws found in Mal-design clamps, such as those used in titanium alloy clamp sets or hybrid clamps (e.g., item 4210.0323).

• Supports final locking and torque application in adjustable and hybrid external fixation components within the JMS system.

🔍 3. Recommended Surgical Use

Preoperative Setup

• Select the correct side of the Allen key to match the hex socket of the target screw (e.g., 3.4 mm or 5 mm).

• Sterilize the key along with the external fixator set according to JMS guidelines.

Intraoperative Use

• Use the appropriately sized end to engage the hex recess of Mal-design clamp screws.

• Apply gentle but firm torque to secure screws during frame assembly or adjustment.

• The dual-ended design streamlines clamp installation by eliminating need to switch tools.

Postoperative & Follow-Up

• Retighten screws if any micromotion is detected during follow-ups.

• Inspect both key ends periodically for wear, especially after repeated sterilizations.

📋 4. Part & Function Summary

Item Code

Tool

Function

4210.0331

Allen Key (Two‑Sided, Special Mal)

Dual‑ended hex key for tightening Mal‑design clamp screws

💡 5. Key Usage Tips

• Always verify that the Allen key fits flush into the screw head to avoid stripping.

• Use the correct length and leverage; over-tightening can damage titanium threads or deform clamp bodies.

• Mark or color-code handles if multiple hex sizes are used in the OR to prevent misplacement.

✅ Summary

The JMS 4210.0331 double‑ended Allen key is purpose-built for Mal‑design titanium clamps in their external fixation system, facilitating versatile and efficient assembly. With carefully sized ends—typically 3.4 mm and 5 mm—it enables precise screw engagement and proper clamp locking.

For detailed torque values, screw dimensions, or matching clamp part numbers, refer to JMS's official External Fixator User Manual. I'm here to help interpret that if needed!

1. 🧰 Component List with Descriptions

All components are part of the JMS 4210.0300-series small external fixator system, designed for precise axial control and lightweight frame constructs YouTube+1JMS Health+1:

• 4210.0301 – Compression–Distraction Device (Small): central device enabling controlled axial compression or distraction.

• 4210.0303 – Small Open Clamp: versatile attachment to pins or rods in small constructs.

• 4210.0304 – Medium Clamp: intermediate size for heavier small-frame setups.

• 4210.0305 – Adjustable Half-Pin Clamp: accommodates standard Schanz half-pins.

• 4210.0306 – Adjustable Wire-Pin Clamp (AO Type): used with tensioned wires in AO-style constructs

• 4210.03071 / 03072 / 03073 – Color-coded Aluminum Clamps for 6 mm (blue), 8 mm (golden), and 11 mm (golden) rods.

• 4210.0311 – Femoral Joint Clamp (Mono-Axial): for rigid joint span constructs over the femur

• 4210.0312 – Femoral Joint Clamp (Poly-Axial): allows angular freedom while spanning femoral segment.

• 4210.0313 – Translation / Rotation Device: provides multidirectional correction capability.

• 4210.0314 – Orthofix (Aluminum) Collex Fixator: lightweight aluminum module compatible with JMS rod sizes.

• 4210.0315 / 0316 / 0317 – Aluminum Clamps in Large / Medium / Small formats for various rod/pin sizes.

• 4210.0318 / 0319 – Fiber Fixator components (large and small radially aligned radiolucent brackets).

• 4210.032 – Set of Clamps designed for 6 mm rods.

2. System Overview & Applications

This small-scale system is built for precision trauma care, pediatric use, veterinary applications, metacarpal/phalangeal fixation, and deformity corrections requiring controlled actuators. It integrates compressive/distraction modules, rotational adjustment tools, and modular clamps for multi-rod/pin configurations.

3. Surgical Technique – Step‑by‑Step

🩺 A. Pre-operative Setup

• Select components based on rod/pin diameter and required functions.

• Sterilize all items as per JMS user-manual protocols ExportersIndiaImimg+1JMS Health+1.

B. Fixation Placement

• Insert half‑pins or tension wires into bone segments under fluoroscopic guidance.

• Choose corresponding clamps (e.g. 0305 for pins, 0306 for wires, 03071–73 for rods based on size).

C. Frame Construction & Tool Integration

• Assemble rods and clamps to form basic frame across bone segments.

• Install 4210.0301 (Compression–Distraction Device) between rods aligned with mechanical axis.

• Add Translation/Rotation Device (0313) or joint clamps (0311/0312) if needed.

D. Provisional Positioning

• Loosely tighten clamps to allow fine adjustments.

• Perform minor translation or rotational corrections using 0313 module.

• Adjust compression/distraction device temporarily before final locking.

E. Controlled Adjustment

• Use 0301 device to apply gradual compression or distraction per surgical protocol.

• Tourical corrections may use translation/rotation device in small increments.

F. Final Locking & Imaging

• Once alignment is verified, fully secure all clamps and actuators.

• Confirm construct integrity and absence of micromotion under imaging.

G. Post-Op Care & Removal

• Monitor pin‑tract hygiene and clamp stability; re-tighten if necessary

• Plan periodic imaging to track fracture healing or length correction.

• Disassemble fixator after confirmed union and mechanical stability.

🔧 Allen Key (Two-Sided) – Special Mal Design

Catalog Code: 4210.0331 (as per JMS system references)

🔹 Description:

A specialized dual-ended hexagonal wrench (Allen key) designed for orthopedic use in external fixator assemblies, particularly with the Mal Design titanium clamp systems manufactured by Jindal Medi Surge (JMS).

• Material: Hardened stainless steel or chrome-plated steel.

• Design: Two different-sized hex heads (commonly 4 mm and 5 mm) for compatibility with JMS-specific Mal Design components.

• Handle: Central bar for grip, sometimes flattened or coated for better control with gloved hands.

🛠️ Surgical Application:

✅ Purpose:

Used during the installation, adjustment, and removal of clamp systems within external fixation constructs, particularly:

• Mal Design clamps

• Titanium rod-to-clamp connectors

• Compression-distraction devices

• Collex-type or Orthofix-compatible fixators

🔄 Functions:

• Engage and rotate hex bolts/screws on:

  • Twin Adjustable Clamps

  • Hybrid Straight and Angle Clamps

  • Translation-Rotation Device

  • Adjustable Half Pin/Wire Clamps

• Deliver torque without stripping screw heads.

🔍 Usage Technique in Surgery:

🔸 1. Assembly:

• Select the correct hex end of the key.

• Insert the Allen key fully into the hex recess of the bolt (no tilting).

• Turn clockwise to tighten clamp screws and set fixation.

🔸 2. Adjustment:

• Loosen the clamp slightly for realignment using counterclockwise turns.

• Make required corrections (translation, rotation, distraction).

• Retighten bolts securely using the Allen key.

🔸 3. Removal:

• Use the Allen key to fully loosen all clamps after healing.

• Ensure torque is applied steadily to prevent bolt stripping or injury.

🧼 Sterilization:

• Autoclavable at standard orthopedic settings.

• Should be inspected regularly for wear or tip deformation

🔍 Line‑X‑Fix Set (Line‑x‑Fix External Fixators)

📌 Identified Product Name

• JMS refers to a product line called “Line‑x‑Fix External Fixators” in their product catalog as part of their external fixator systems (separate from their tubular and ILizarov lines) jmshealth.com+8Imimg+8eBay+8.

🧩 Product Description & Overview

• These Line‑x‑Fix clamps are designed for connecting rods across external fixator configurations, especially in compact or Ilizarov-style constructs.

• Typical material is aluminum, used for its lightweight and radiolucent properties. These available size options correspond to small‑frame external fixations often paired with 6 mm rods or wires jmsortho.com.

🛠️ Likely Components in a Line‑X‑Fix Set

While there is no detailed breakdown listing each part, a typical Line‑X‑Fix set likely includes:

• A selection of color‑coded Line‑X‑Fix aluminum clamps (e.g., for 6 mm rod sizes).

• Appropriate connecting rods, nuts, bolts, and washers (e.g., for 6 mm diameter fixes).

• Possibly wire or pin clamps compatible with half-pins or tension wires, depending on system flexibility.

• Matching tools such as spanners or Allen keys based on the fixator screw sizes.

🧠 Intended Use Cases

• Compact external fixation—especially metacarpals, animal limbs, or small bone segments.

• Integration into Ilizarov or hybrid systems where rod-to-wire alignment and lightweight assembly are desired.

• Provisional or definitive stabilization in environments where radiolucency and low-profile hardware are beneficial.

✅ Recommendation for Confirmation

To ensure accurate surgical use, you should consult:

• The official JMS surgical techniques manual, which typically includes part details, screw sizes, compatibility tables, and assembly instructions.

• JMS’s product catalog PDF, where the Line‑x‑Fix range is listed under external fixators along with tubular fixator and Ilizarov component groups Imimgjmsortho.com.

• Contact JMS directly for a detailed BOM (bill of materials) for the set or to request a product brochure.

1. 📄 Product Overview

• Part Code: 4213.0011—“Small Clamp For Metacarpals 4.0 mm × 2.5 mm” with a 7 mm nut hex size. jmsortho.com+3Imimg+3JMS Health+3

• Constructed from medical-grade stainless steel or aluminum alloy, optimized for low-profile fixation in metacarpal and phalangeal segments. jmsortho.comJindal Medi Surge

2. 🧰 Indications & Use

Designed for:

• Stabilization of metacarpal fractures, phalangeal injuries, or small bone deformities.

• Mini external fixation constructs where small diameter pins (≈ 2.5 mm) need to be secured robustly.

• Use with tiny rods/pins in limited anatomical space such as the hand or foot. ImimgJindal Medi Surge

3. 🛠 Instrument Compatibility, Design & Features

• Accepts 4.0 mm pin oriented perpendicular to the fixation axis, clamped securely using a 7 mm hex nut.

• Intended to be used with mini rods or wires, forming compact frames for small-segment external fixation. jmsortho.com+1JMS Health+1Jindal Medi Surge+3Jindal Medi Surge+3gulfyp.com+3

• Nut and bolts compatible with 7 mm spanners or hex wrenches.

4. 🧪 Pre‑operative Preparation

1. Select a 2.5 mm Schanz pin or mini-pin suited to clamp design.

2. Prepare 4.0 mm pin trajectory as per fracture anatomy.

3. Sterilize the clamp, pins, rods, and required tools (7 mm wrench or Allen key).

4. Ensure fluoroscopy or imaging is available for guided pin placement.

5. ⚕️ Schanz Pin Placement

• Make small stab incision at planned pin entry site.

• Drill pilot hole, then insert 2.5 mm pin through the metacarpal (4.0 mm segment).

• Achieve bicortical fixation for optimal pin purchase and stability.

6. 🧩 Clamp Attachment & Orientation

1. Slide the clamp over the protruding pin segment so that the pin fits securely in the clamp jaw.

2. Position the clamp at the desired location along the pin/rod axis (typically perpendicular rods).

3. Lightly engage the 7 mm hex nut for provisional hold.

7. 🔧 Frame Assembly

• Attach tiny connecting rods or up to 4.0 mm rods into the clamp body if required.

• Use additional clamps for opposite-side stabilization or multiplanar support.

• Loosely tighten all bolts to permit fine adjustments before final set.

8. ✅ Final Torque & Verification

• Once optimal alignment is confirmed, use a 7 mm hex wrench to fully tighten the nut, ensuring firm, no-micromotion fixation.

• Confirm rigidity under gentle manual axial or torsional stress.

9. 🩹 Post‑operative Maintenance

• Monitor pin sites regularly, clean as per standard protocol.

• Inspect clamp–pin junction; re-tighten if loosening or micromotion is noted.

• Remove frame once radiographic evidence of union is achieved.

🧰 1. Product Listing & Overview

According to JMS's external fixator catalog, the relevant Aesculap clamp variants are:

• 4210.0309 — Aesculap Clamp Mini (Tube + Pin)

• 4210.03091 — Aesculap Clamp Mini (Tube + Tube)

• 4210.03092 — Aesculap Clamp Mini (general/bare)

• 4210.031 — Aesculap Clamp Large

These products belong to JMS’s Aesculap External Fixator line—part of their modular external fixation offerings, available in stainless steel and compatible with standard 6–8 mm rods or pins.Aesculap USA+10Imimg+10ExportersIndia+10jmsortho.com

⚙️ 2. Device Descriptions

Aesculap Clamp Mini – Tube + Pin (4210.0309)

• Designed to grip a tubular rod and a Schanz-style pin simultaneously.

• Provides stable fixation while bridging pin and rod axes in mini external fixator constructs.JMS Health+2jmsortho.com+2ExportersIndia+2

Aesculap Clamp Mini – Tube + Tube (4210.03091)

• Configured to secure two parallel rods—typically 4 mm or 6 mm diameter—in compact frame setups.Imimg

Aesculap Clamp Mini (4210.03092)

• A basic mini version; likely similar to above but without pre-specified orientation (versatile clip-design).Imimg

Aesculap Clamp Large (4210.031)

• Larger format clamp for 8–11 mm rods or pin interfaces, with enhanced strength for heavier constructs.Imimg

🛠️ 3. Surgical Technique & Application

A. Pre-op Setup

• Choose clamp variant based on whether the assembly requires pin‑to‑rod (0309), rod‑to‑rod (03091/03092), or heavy duty frame support (031).

• Sterilize clamps and compatible rods/pins per JMS protocols.

• Tools: 7–10 mm spanner or standard hex key, depending on nut size.

B. Pin/Rod Placement

• Insert Schanz pins or rods into bone segments ensuring secure bicortical fixation.

• Use imaging guidance for alignment.

C. Clamp Mounting

• Tube + Pin format (0309): Slide clamp over rod and align over pin protrusion.

• Tube + Tube format (03091): Position clamp over two rods secured in parallel.

• Adjust for desired frame geometry before provisional tightening.

D. Frame Construction

• Attach connecting rods or further clamps as needed to build fixator geometry.

• Mini clamps support low-profile, high-flexibility configurations.

E. Final Locking

• Once position is radiographically confirmed, fully tighten clamp bolts or nuts.

• Verify rigidity and absence of micromotion.

F. Care & Follow-up

• Monitor clamp–rod/pin connections during follow-up visits.

• Retighten as needed; remove entire fixator when fusion is confirmed.

📦 Product Overview

• Part Code: 4213.0012 – Small Open Clamp for Metacarpals (4.0 mm × 2.5 mm), nut hex size: 7 mm. Compatible with 2.5 mm pins and small rods (4 mm) for compact external fixation constructions.

• Designed for metacarpal stabilization in mini external fixation systems, commonly used in hand trauma or small bone segments.

• Constructed from medical-grade stainless steel, suitable for low-profile fixation with minimal soft-tissue interference Imimg.

🧠 Indications & Applications

• Stabilization of metacarpal fractures, phalangeal injuries, osteotomies.

• Ideal for mini external fixator setups in limited-space anatomy (e.g., hand, wrist). Poor designed to pair with 2.5 mm Schanz pins and corresponding 4.0 mm rod geometry.

• Frequently used in lightweight, low-profile constructs for early mobilization or small bone alignment JMS Health+1Imimg+1

🛠 Surgical Technique

1. Pre‑operative Preparation

• Assemble tools: 7 mm hex key or spanner, stainless steel 2.5 mm Schanz pins, 4 mm connecting rods, sterilization trays.

• Sterilize all components per JMS external fixator sterilization protocol.

2. Pin Insertion

• Under fluoroscopy, insert a 2.5 mm Schanz pin into the metacarpal diaphysis using stab incision and bicortical fixation.

• Repeat as needed for multiple pins (e.g., proximal and distal).

3. Clamp Attachment

• Slide the 4213.0012 clamp over the protruding Schanz pin segment

• Position the clamp body perpendicular to the pin, optionally integrating a 4 mm rod if needed for frame rigidity.

• Engage the 7 mm nut lightly—this allows provisional fixation and orientation adjustments before final locking.

4. Frame Assembly

• For a simple two-pin frame, mirror the clamp on the opposite side.

• Optionally, cross-connect with a small 4 mm tubular rod using additional clamps to build a lightweight frame.

• Ensure alignment necessary for restoring bone geometry and angulation.

5. Final Locking

• Confirm reduction clinically and radiographically.

• Use the 7 mm wrench to fully tighten the nut on each clamp until there is no micromotion at the pin–clamp interface.

• Be careful not to over‑torque, which could strip threads or deform small components.

6. Post‑operative Care

• Clean and dress pin sites regularly.

• Monitor clamp stability weekly; retighten if any loosening or micromotion is observed.

• Remove the fixator when radiographic union and clinical stability are confirmed.

1. ✅ Device Overview

• Part Code: 4213.0014 — Small Clamp for Forearm 4.0 mm × 4.0 mm, Nut Hex Size: 7 mm

• Designed for external fixation of small bone segments like the forearm; built for 4 mm diameter rods and pins.

• Constructed from surgical-grade stainless steel (316L) with bright finish for lightweight compact support.

2. 🛠 Indications & Use

• Ideal in mini external fixator frames for forearm fractures, radius/ulna alignments, and small bone deformity corrections.

• Compatible with 4.0 mm Schanz-type pins or rods, using the 7 mm hex nut for secure fixation.

• Optimal for low-profile stabilization where space is limited—hand, wrist, pediatric limb use YouTube+2Jindal Medi Surge+2Pinterest+2Imimg.

3. Pre-operative Preparation

1. Select appropriate 4.0 mm Schanz pins and 4.0 mm rods.

2. Prepare and sterilize clamp, rods, pins, and a 7 mm hex wrench per JMS guidelines.

3. Set up imaging modalities for pin placement verification.

4. Pin/Rod Insertion

• Deliver 4.0 mm pins or rods into the forearm diaphyseal bone with bicortical fixation under fluoroscopy.

• Ensure minimal soft tissue disruption and correct trajectory.

5. Clamp Attachment & Orientation

1. Slide the clamp body over the protruding pin/rod section.

2. Position it at the desired location perpendicular (or in plane) to maintain frame geometry.

3. Engage the 7 mm nut lightly to allow positional adjustments before final tightening.

6. Frame Assembly

• Attach rods or additional clamps to build the desired forearm fixation frame.

• Use fiber or aluminum clamps if imaging clarity or weight reduction is needed.

• Ensure alignment matches fracture reduction plan.

7. Final Locking & Verification

• Confirm alignment clinically and radiographically.

• Use the 7 mm hex wrench to fully torque the nut—ensure rigidity without over-tightening.

• Test for micromotion; readjust if necessary.

8. Post‑operative Care

• Maintain pin-site hygiene and monitor for infection.

• Inspect clamp-pin junction during follow-ups; re-tighten if micromotion is noted.

• Remove hardware once bone union is confirmed radiographically and functionally stable.

📦 Product Overview

• Part Code: 4210.0311 – Aesculap Clamp Large (Aluminum)

• Material: Anodized aluminum, enabling lightweight, corrosion-resistant performance in external fixators Aesculap USA+9Imimg+9Jindal Medi Surge+9.

• Configuration: Typically designed as tube‑to‑pin or tube‑to‑tube coupling in larger 8 mm–11 mm rod systems. Can serve as a more ergonomic, less bulky alternative to stainless steel variants Imimg+1Jindal Medi Surge+1.

⚙️ Intended Use and Indications

• Designed for heavy-duty fixation in larger external frames (e.g., femoral, tibial, pelvic constructs).

• Connects 8 mm tubular rods to pins or rods without exceeding weight limitations: ideal for trauma, deformity correction, limb lengthening frames.

• Its aluminum body makes it particularly useful when X-ray transparency and minimized patient burden are beneficial Imimg+3Jindal Medi Surge+3jmsortho.com+3.

🛠 Surgical Application Technique

A. Pre‑operative Planning

• Confirm clamp compatibility with your rod and pin diameters (8 mm rods common with standard pin interfaces).

• Gather corresponding tools: likely 10 mm or 13 mm wrenches/hex keys depending on bolt size.

• Sterilize the clamp following JMS instrument guidelines Imimg+1Imimg+1.

B. Pin and Rod Placement

• Insert Schanz pins or rods into bone segments as per fracture or deformity alignment plan under fluoroscopy.

• Secure bicortical purchase for pin elements

C. Clamp Assembly

• For tube-to-pin usage: align clamp over an 8 mm rod and corresponding pin protrusion.

• For tube-to-tube version: positioning two parallel rods within clamp interface before provisional tightening.

D. Provisional Adjustments

• Loosely tighten the bolts to allow orientation adjustment—essential before frame locking.

• Adjust rod and pin positions to achieve anatomical alignment, mechanical axis, and load-sharing configuration.

E. Final Locking

• Once alignment is verified both clinically and radiographically, fully secure bolts using appropriate torque to ensure rigid construct.

• Confirm absence of micromotion via gentle frame manipulation.

F. Post‑operative Management

• Monitor clamp connection junction—especially in follow-up visits. Re-tighten if any looseness is detected.

• Keep pin or rod entry sites clean to reduce infection risk

• Remove when bone union is confirmed and frame stability is assured.

🧩 Typical Applications

• Femoral frames, tibia constructs, and pelvic fixators where reducing overall hardware weight is advantageous.

• Hybrid frames where combining rods and pins with minimal bulk improves patient comfort and range of motion.

• When radiolucency is needed for intraoperative imaging or follow-up X-rays.

🧰 Product Overview

• Part Code: 4213.0014 – Small Clamp for Forearm with 4.0 mm rod/pin interface × 4.0 mm. Nut hex size is 7 mm. JMS Health+13JMS Health+13Jindal Medi Surge+13

• Designed for compact external fixation of the forearm (e.g. radius, ulna). Built to support mini constructs using 4 mm Schanz pins or rods. Ideal where low-profile and minimal bulk are required. jmsortho.com

🛠 Indications & Applications

• Stabilization of small forearm fractures, pediatric humerus/radius, or complex segmental fixing when using mini external fixator frames.

• Compatible with 4.0 mm components and requires a 7 mm wrench or hex key for tightening.

• Suitable for tight anatomical spaces, such as dorsal and volar forearm or hand regions. jmsortho.com

🧩 Surgical Technique

1. Pre‑operative Planning & Setup

• Confirm part code 4213.0014 and match it with compatible 4.0 mm Schanz pin or rod systems.

• Assemble sterilized tray with 4 mm rods/pins, the clamp, and a 7 mm hex wrench or spanner.

• Prepare intraoperative fluoroscopy for placement guidance.

2. Schanz Pin / Rod Placement

• Insert 4.0 mm Schanz pins or rods into the intended forearm segment using small incisions.

• Aim for bicortical fixation and proper pin alignment under imaging.

3. Clamp Attachment & Adjustments

• Slide the clamp body onto the protruding pin or adjacent rod—ensuring alignment with respect to the mechanical axis.

• Lightly tighten the 7 mm hex nut to hold the clamp provisionally in place.

4. Frame Assembly

• Add additional clamps or 4 mm rods as required to construct the desired frame

• Use components from JMS’s mini fixator series for multiplanar constructs if needed.

5. Final Locking Verification

• Once final alignment is satisfactory clinically and radiographically, fully tighten the nut using the 7 mm wrench.

• Confirm that the clamp-to-pin/rod junction is rigid with no micromotion.

6. Post‑operative Management

• Regularly monitor the clamp–pin site, clean entry points, and inspect for loosening.

• Re-tighten if needed.

• Remove once radiographic bone union and mechanical stability are confirmed.

🧰 1. Product Overview

• Code: 4210.0410 — Aesculap Universal Clamp Large (Mal Design, Matt Finish) configured as Tube + Pin, designed for 8 mm rod to pin interfaces.eBay+7Imimg+7Jindal Medi Surge+7

• Material: Typically high-grade stainless steel with a matte (“Mal Design”) finish to reduce glare and improve surgical handling.

• Function: Provides secure coupling between a tubular rod (8 mm) and a Schanz-type pin, while allowing angular adjustments.

⚙️ 2. Clinical Indications

• Ideal for hybrid external fixator frames combining pins and rods in femoral, tibial, or complex limb configurations.

• Enhanced articulation permits precise alignment during trauma stabilization, deformity correction, or reconstructive procedures.JMS Healthjmsortho.com

🛠 3. Surgical Technique

A. Pre-operative Setup

• Select pin diameter (typically 5–6 mm) and confirm rod compatibility (8 mm threaded/std).

• Prepare sterilized equipment including 8 mm rods, compatible pins, and correct spanners or hex wrenches (e.g., 10–13 mm for nut tightening).

• Review torque specifications in JMS's external fixator manual.

B. Pin & Rod Placement

• Insert Schanz pin into bone segment with bicortical purchase under fluoroscopy.

• Secure placement and plan rod trajectory for biomechanical support.

C. Clamp Attachment

• Position the universal clamp over the rod and align over the pin protruding from the bone.

• Engage set screws loosely to permit fine adjustment of angle and position.

D. Provisional Adjustment

• Lightly tighten clamp to allow repositioning during alignment checks.

• Adjust rod angle to align mechanical and anatomical axes as needed.

E. Final Locking

• Upon confirming reduction clinically and radiographically, tighten all screws firmly.

• Confirm the interface is rigid with no detectable micromotion.

F. Post-operative Care

• Regularly assess clamp-pin junction; clean pin entry sites to prevent infection.

• Retighten screws during follow-up if settling or loosening is observed.

• Plan for removal when stable bone union is achieved.

🧰 Product Overview & Codes

Code

Description

4213.0015

Small Open Clamp for Forearm — 4.0 mm × 4.0 mm (Nut hex 7 mm)

4210.0302

Small Close Clamp (“Indian design”) — 2.5 mm × 5.0 mm

4210.0303

Small Open Connecting Clamp (clip-design) — 4 mm × 4 mm

These are part of JMS’s Small External Fixator series, intended for compact forearm, metacarpal, and hand fixation applications JMS Health+4Imimg+4Imimg+4.

🛠 Device Function & Intended Use

• 4213.0015 (4 × 4 mm, Open Clamp): Secures 4 mm rods/pins using a clip/open jaw design. Designed for minimal obstruction and ease of positioning on slender bones like radius or ulna.

• 4210.0302 (2.5 × 5 mm, Close Clamp): Bolt‑tight clamp for smaller pins, offering high stability in limited-space constructs.

• 4210.0303 (4 × 4 mm, Open Connecting Clip-Clamp): Enables rapid rod-to-rod fixation via side-entry clip mechanism—ideal for quick frame alignment.

All clamps feature a 7 mm nut hex interface permitting secure fastening with standard wrenches 🚀.

🏥 Surgical Technique (Applicable to All Three Clamps)

1. Preoperative Planning

• Verify part codes and match rod/pin sizes (2.5 to 4.0 mm).

• Sterilize clamps, corresponding Schanz pins/mini rods, a 7 mm wrench, and imaging tools.

• Plan pin trajectories under fluoroscopy to avoid neurovascular structures.

2. Pin / Rod Placement

• Insert appropriate-sized Schanz pins (2.5 or 4.0 mm) bicortically under image guidance.

• Place pins proximal and distal to the fracture or intended construct area.

3. Clamp Attachment & Provisional Fix

• For 4213.0015 or 4210.0302, slide clamp over the protruding pin/rod. Position perpendicular to anatomical structure.

• For 4210.0303, clip the clamp onto two adjacent rods in desired alignment (side-entry design).

• Lightly tighten the 7 mm nut for provisional hold—adjust orientation as needed.

4. Frame Construction

• Add rods or other clamps to build a two-pin frame or multiplanar configuration.

• Use symmetrical clamps and rods for balanced support.

5. Final Locking & Verification

• Once alignment is confirmed via clinical and radiographic assessment, fully tighten the nut.

• Verify rigidity and absence of micromotion.

• Avoid over-torquing to prevent thread deformation.

6. Post‑operative Care

• Maintain strict pin-site care to avoid infection.

• Check clamp–pin junctions regularly; re-tighten if loosening is noted.

• Remove once stable bone union is confirmed radiographically and clinically.

🧱 Product Specification & Catalogue Listing

According to JMS’s official external fixator catalog, the following tube elements are available for modular connection with 8 mm tubular rods youtube.com+75.imimg.com+7jindalmedisurge.wordpress.com+7:

• TE8‑TH‑JM: Tube Element for 8 mm Tubes, Threaded

• TE8‑UTH‑JM: Tube Element for 8 mm Tubes, Unthreaded

• UCTE8‑TH‑JM: Tube Element for 8 mm Tubes, Threaded (Uppercut)

• UCTE8‑UTH‑JM: Tube Element for 8 mm Tubes, Unthreaded (Uppercut

⚙️ Intended Use & Functional Role

These elements function as essential intermediate adapters within the fixator frame, allowing:

• Integration between tubular rods and clamp assemblies, using a threaded interface for modularity.

• "Uppercut" versions (UCTE8…) may feature an over‑cut or bevelled design—enabling smoother rod seating or facilitating angled mounting when geometry demands.

• Both threaded and unthreaded options accommodate different assembly requirements—such as secure fixed coupling or slidable adjustment compatibility.

🛠️ Assembly & Surgical Application

1. Preoperative Preparation

   • Select the appropriate tube element variant based on whether you require a threaded coupling or a sliding/unthreaded interface.

   • Verify compatibility of rod diameter (8 mm) and confirm whether uppercut adaptation is necessary for directional mounting.

   • Prepare sterilized tubes, tube elements, fixator clamps, and torque/spanner tools guided by JMS recommendations.

2. Frame Construction

   • Insert the tube element into the connecting clamp or clamping unit as specified in the fixator assembly sequence.

   • For threaded type, engage the tube securely into the clamp via the corresponding nut or internal thread—suitable for fixed, locked constructs.

   • Unthreaded types can be used where lateral movement or minor adjustment of the rod is anticipated during alignment.

3. Provisional Adjustment & Fixation

   • Lightly tighten the coupling during provisional assembly to allow frame alignment.

   • If using an uppercut variant, ensure proper seating against the clamp/joint face—it may offer angled or offset mounting capability.

   • After confirming alignment clinically and with imaging, fully tighten coupling to ensure stability.

4. Postoperative Considerations

   • Routinely inspect the tube‑element junctions for loosening.

   • Retighten threaded couplings if mechanical settling or frame micromotion is detected.

   • Use uppercut versions carefully in anatomical placements requiring offset support.

🔧 Functional Role

• These Pin Elements serve as the clamping interface between Schanz pins and 8 mm rods, providing either a fixed (threaded) or adjustable/sliding (unthreaded) connection.

• The threaded version (PE45‑TH‑JM) enables a locked, rigid coupling, ideal for situations where motion must be eliminated.

• The unthreaded variants allow controlled sliding or repositioning before final locking—especially helpful during alignment or fine adjustment phases.

🛠 How to Use During Fixator Assembly

1. Pre‑operative Setup

• Choose appropriate element depending on pin diameter and need for adjustability:

  • Use PE45… for pins of 4 or 5 mm Ø.

  • Use PE56… if using 5–6 mm Ø pins.

• Sterilize all components (elements, rods, pins, clamps) per JMS protocol JMS Health.

2. Pin Insertion

• Insert 4–6 mm Schanz pins as per surgical plan, ensuring bicortical fixation and safe anatomical placement.

3. Frame Assembly

• Slide the Pin Element onto the 8 mm rod or into the clamp interface.

• Insert the protruding pin shaft into the pin element.

4. Provisional Positioning

• For unthreaded (UTH) elements, partially tighten coupling to allow sliding adjustment before final alignment.

• For threaded (TH) variant, engage threads lightly and make sure orientation is correct.

5. Final Locking

• Once desired alignment achieved, fully tighten:

  • Thoraded: torque into pin–clamp interface for rigid fixation.

  • Unthreaded: clamp the rod–pin interface with matching clamp system to lock position.

6. Postoperative Considerations

• Regular follow-ups should include inspection of pin-element junctions for loosening.

• Retighten coupling if any micromotion is observed.

• Plan for removal once stable bone union is confirmed.

✅ Summary of Use‑Case

• Use PE45‑TH‑JM for fixed rigid pin-to-rod coupling when no further movement is desired.

• Use PE45‑UTH‑JM or PE56‑UTH‑JM for adjustable connections, helpful during alignment or gradual correction phases.

• Choose variant based on pin diameter (4–6 mm) and whether threaded rigidity or adjustability is needed.

📝 Notes & References

This guidance is extracted from JMS’s official external fixator catalog and product listings, with specific mention of these elements and their sizes in catalog page listings for external fixator accessories JMS HealthJMS Health+5JMS Health+5Jindal Medi Surge+5Imimgjmsortho.com.

For torque values, compatibility charts, or assembly drawings, refer to JMS’s surgical technique manual or engineering datasheets.

📏 Available Sizes — 8 mm × 1 mm SS Rods

These are hollow SS rods, 8 mm in outer diameter with a 1 mm wall thickness, offered in lengths ranging from 100 mm up to 500 mm (4″ to 20″):

• 4210.0598 – 100 mm (4″)

• 4210.0599 – 125 mm (5″)

• 4210.0600 – 150 mm (6″)

• 4210.0601 – 200 mm (8″)

• 4210.0602 – 250 mm (10″)

• 4210.0603 – 300 mm (12″)

• 4210.0604 – 350 mm (14″)

• 4210.0605 – 400 mm (16″)

• 4210.0606 – 450 mm (18″)

• 4210.0607 – 500 mm (20″) JMS Health+4Imimg+4Imimg+4

🧩 Product Description & Function

• Fabricated from medical-grade stainless steel (SS), these rods are intended for use with 8 mm rod-compatible clamps such as tube-to-tube, tube-to-pin, or adjustable clamp systems.

• The 1 mm wall thickness offers strength with some flexibility, ideal for fracture stabilization frames where rigidity and lightweight design are essential.

• JMS also offers solid connecting rods (same external diameter) coded 4210.070x series in matching lengths, used in similar applications JMS Healthjmsortho.com.

⚙️ Surgical Assembly Notes

• Compatibility: Use with clamps specifying 8 mm rod interface (e.g., Tube-to-Tube Clamps Code 4210.010), ensuring correct seating and serration engagement greensurgicals.com+8Jindal Medi Surge+8JMS Health+8.

• Selection by Application:

  • Short rods (100–200 mm): for localized mini-frame segments.

  • Medium rods (250–350 mm): for bridging or cross-bars in larger frame assemblies.

  • Longer rods (400–500 mm): for extensive spans or bilateral constructs.

• Preoperative: Choose lengths based on implant geometry and anatomical region. Ensure rod orientation allows clamps to seat securely without impinging on anatomy.

• Sterilization & Handling: Autoclavable per JMS guidelines. Inspect for dents or corrosion before each use.

• Frame Construction: Combine with clamps, pin elements, and connectors to create uniplanar or multiplanar external fixator configurations

• Postoperative Checks: Frequently inspect rod–clamp junctions; tighten if any slippage or micromotion is noted.

🧩 1. Product Overview: Spacer Disc

In JMS's external fixator accessory lineup, Spacer Discs are used to provide precise spacing or height adjustment within clamp and rod assemblies. These discs help maintain separation between rods, pins, or tube elements to fine-tune construct geometry.

Available sizes include:

• SD‑05‑JM – 0.5 mm

• SD‑20‑JM – 2.0 mm

• SD‑40‑JM – 4.0 mm

• SD‑80‑JM – 8.0 mm
  jmshealth.com+11jindalmedisurge.wordpress.com+11jmshealth.com+11

⚙️ 2. Function & Intended Use

• Thin precision spacers used between components such as tube elements, pin elements, and clamps.

• Provide controlled offset or clearance, ensuring clamp bolts and washers don't overcompress or contact adjacent hardware.

• Particularly valuable in compact or multi‑planar constructs, where millimetric alignment adjustments are needed.

🛠 3. Application Technique

A. Pre‑operative Planning

• Estimate the spacing required between fixator components—especially when offsets or angulation might cause compression.

• Choose the appropriate Spacer Disc size (0.5, 2, 4, or 8 mm).

B. Placement in Assembly

• Insert the disc between:

  • The clamp body and nut/washer, or

  • Between element junctions (e.g. tube element to pin element overlap).

• Ensure it lies flat and does not obstruct screw threads or clamp seating.

C. Construct Adjustment

• After placing the spacer, tighten the bolt or nut just enough to engage the hardware.

• Confirm via imaging or manual alignments that the spacer achieves the intended separation.

D. Final Torque

• Once alignment is correct, fully tighten the assembly.

• Spacer discs ensure bolts are not over‑torqued onto adjacent parts, preserving frame orientation and preventing unintended hardware deformation.

E. Post‑operative Care

• Inspect spacer positions during follow-up; re-tighten if loosened.

• Remove spacers as part of hardware removal after bony union is confirmed.

🔩 Product Overview: Tubular Rods (8mm Ø, 1mm Wall Thickness) – SS

These tubular rods are precision-engineered orthopedic components, primarily used in external fixation systems. They serve as the main structural connectors between clamps and bone pins or wires in mono-lateral, bi-lateral, or hybrid external fixator constructs.

📦 Product Codes & Sizes

JMS Code

• Diameter (OD): 8 mm

• Wall Thickness: 1 mm

• Material: Surgical Grade Stainless Steel (316L or equivalent)

🔧 Surgical Application & Assembly

1. Preparation

• Select appropriate rod length based on patient anatomy and fixator design.

• Confirm 8 mm clamp compatibility (JMS uses standard 8 mm clamps and tube/pin elements).

2. Construct Building

• Rods are inserted through clamp channels (e.g., open clamps, self-holding clamps).

• Secure using hex nuts (typically 7mm/10mm) or Allen key locking mechanisms.

• Compatible with Tube-to-Tube, Tube-to-Pin, Twin Adjustable, and Hybrid Clamps.

3. Frame Customization

• Can be cut down if custom lengths are required.

• For multiplanar frames, two rods can be connected using Tube Connectors, Tube Elements, or Tube-to-Tube Clamps.

• Integration with Compression/Distraction Devices allows for dynamic control.

📌 Key Features

• Corrosion-resistant stainless steel

• Lightweight and strong with 1 mm wall thickness

• Compatible with all 8 mm external fixator elements from JMS

• Radiolucent alternatives available in carbon fiber or titanium (on request)

⚠️ Clinical Considerations

• Ensure rods are fully seated in clamp bodies to avoid loosening or migration.

• Check rod straightness and integrity before surgical use (especially if reused or stored long-term).

• Follow torque limits defined in the JMS Surgical Technique Guide when tightening clamp bolts on tubular rods.

📚 Related Accessories

• Spacer Discs

• Tube Elements (Threaded/Unthreaded)

• Pin Elements (4mm, 5mm, 6mm)

• Tube-to-Tube Connector

• Self-Holding & Adjustable Clamps

🔩 Product Overview: Hex Bolts for External Fixator Assemblies

These bolts are precision-engineered fasteners used to secure clamps, rods, tube elements, and other fixator components in orthopedic external fixation systems.
They are compatible with various JMS clamp designs (tube-to-tube, tube-to-pin, twin adjustable, hybrid, and Aesculap-style clamps).

📦 Product Codes

• Material: Surgical-grade stainless steel (316L or equivalent)

• Finish: Matt or polished surface to reduce glare and improve handling

• Head Type: Hex head (compatible with 7 mm or 10 mm spanner depending on clamp design)

• Thread Standard: Metric ISO fine thread for secure, vibration-resistant fixation

🔧 Surgical Application

1. Pre-assembly

   • Choose bolt length based on clamp body thickness and the number of elements to be fixed.

   • Ensure bolt threads and seating areas are free from debris.

2. Assembly

   • Insert bolt through clamp body or connecting plate.

   • Engage nut or threaded insert fully before tightening.

   • Use the appropriate torque with a JMS spanner or Allen key to avoid stripping.

3. Intraoperative Adjustment

   • Bolts may be loosened and repositioned during frame construction for alignment.

   • Always re-tighten to manufacturer-recommended torque.

4. Postoperative Check

   • Inspect bolts at follow-up visits to ensure they remain secure and have not loosened due to patient movement.

📌 Key Features

• Corrosion-resistant for long-term external fixation

• Designed to resist loosening under dynamic load

• Precision-machined threads for smooth assembly

• Available in multiple lengths for varied clamp and fixator configurations