The Cannulated Bone Screwdriver Set 4.0mm & 6.5mm HEX is a specialized orthopedic surgical instrument set designed for controlled handling of compatible bone screws during fracture fixation and other orthopedic procedures. The set contains two cannulated HEX screwdrivers intended for use with 4.0 mm and 6.5 mm screw systems, providing dedicated driver options for different screw sizes.

Cannulated screwdriver technology is particularly useful in orthopedic fixation procedures where screws are positioned over a guide wire or guide pin. The hollow shaft allows the guide wire to pass through the instrument while the screwdriver engages the compatible screw head. This configuration can support controlled screw placement and help maintain the intended trajectory during guided fixation techniques. Actual compatibility should always be confirmed with the specific implant manufacturer and screw system before clinical use.

The HEX bone screwdriver set is intended for professional orthopedic applications involving compatible cannulated or guided screw fixation. Depending on the implant system and surgical technique, such instrumentation may be relevant to fracture fixation involving larger and intermediate bone fragments, including selected procedures involving the ankle, foot, tibia, femur, pelvis, or other anatomical regions. The exact indication depends on the screw design, implant system, anatomical site, and surgeon’s technique.

A dedicated set containing drivers for both 4.0 mm and 6.5 mm screws provides practical versatility in the operating room. Orthopedic fixation procedures may involve multiple screw diameters, and having appropriately sized drivers available can help reduce the need to exchange individual instruments between unrelated trays. The two-piece configuration also provides a straightforward solution for facilities requiring dedicated drivers for commonly used screw sizes.

The HEX working profile is designed to engage a compatible hexagonal screw recess. Correct engagement is important for controlled torque transmission and for reducing the risk of damaging the screw head or driver interface. The driver should be fully seated within the compatible screw recess before force is applied. Excessive force, improper sizing, or use with an incompatible implant can damage the instrument or screw and should be avoided.

The cannulated design provides an additional advantage for guided orthopedic fixation. A guide wire can be maintained through the surgical trajectory while the cannulated driver is advanced over it, when the corresponding implant system and technique permit this method. This is particularly relevant to cannulated screw fixation procedures where maintaining alignment during screw insertion is important.

The instruments are designed for professional orthopedic use and should be manufactured from appropriate surgical instrument materials capable of handling the mechanical demands associated with screw insertion and removal. Surgical stainless steel is commonly used for reusable orthopedic screwdrivers because of its strength, durability, corrosion resistance, and suitability for validated cleaning and sterilization procedures.

Before each use, the screwdriver tips should be inspected for wear, deformation, corrosion, or damage to the HEX profile. Cannulated shafts should also be checked for obstruction or damage that could interfere with guide-wire passage. Proper instrument inspection is particularly important because damaged driver interfaces may affect screw engagement and mechanical performance.

After use, reusable instruments should be cleaned promptly according to validated procedures. Cannulated instruments require careful cleaning of the internal channel to ensure that blood, tissue, or other contaminants are removed. Instruments should then be inspected and sterilized according to the manufacturer’s validated instructions and the healthcare facility’s infection-control procedures.

The Orthopedic Bone Screwdriver Set – HEX Cannulated – For 4.0 mm & 6.5 mm Screws (Set of 2) provides a practical and specialized solution for orthopedic surgical facilities requiring dedicated cannulated drivers for compatible 4.0 mm and 6.5 mm bone screw systems. Its two-driver configuration supports efficient instrument organization and controlled handling during appropriate orthopedic fixation procedures.

Key Features

• Professional orthopedic cannulated bone screwdriver set
• Set includes 2 HEX cannulated screwdrivers
• Designed for compatible 4.0 mm and 6.5 mm screw systems
• Cannulated shafts allow guide-wire or guide-pin passage where applicable
• HEX working ends provide controlled engagement with compatible screw heads
• Supports orthopedic fracture fixation procedures
• Suitable for screw insertion and removal when properly matched to the implant
• Designed for controlled torque transmission
• Durable surgical instrument construction
• Suitable for reusable applications where supplied as reusable instruments
• Internal cannulation requires thorough cleaning and inspection
• Compatible screw and driver specifications should be verified before use

Product Specifications

FAQs

1. What is a cannulated orthopedic bone screwdriver?

A cannulated orthopedic bone screwdriver has a hollow shaft that allows a guide wire or guide pin to pass through the instrument when the screwdriver and implant system are designed for guided screw insertion.

2. What screw sizes are included with this screwdriver set?

The product is supplied as a set of two, designed for compatible 4.0 mm and 6.5 mm screw systems.

3. What is the purpose of the HEX tip?

The HEX tip is designed to engage a compatible hexagonal recess in the screw head, allowing controlled transmission of rotational force during screw insertion or removal.

4. Can these screwdrivers be used for cannulated screws?

Yes, the cannulated design is intended to support compatible cannulated or guided screw systems. Exact compatibility should always be confirmed against the screw manufacturer’s specifications.

5. What is the advantage of a cannulated screwdriver in orthopedic surgery?

Cannulation allows a guide wire or guide pin to remain in position while the screwdriver is passed over it, where supported by the surgical technique. This can help maintain the intended trajectory during guided screw placement.

6. Can the 4.0 mm and 6.5 mm drivers be used interchangeably?

No. Each driver should be matched to the appropriate screw head and implant system. The correct driver size and HEX interface should always be confirmed before use.

7. Are these orthopedic screwdrivers reusable?

Where supplied as reusable instruments, they should be cleaned, inspected, and sterilized according to validated manufacturer instructions and healthcare-facility protocols.

8. How should cannulated screwdrivers be cleaned?

The external surfaces and internal cannulation should be thoroughly cleaned using a validated process appropriate for the instrument. The internal channel should be inspected to ensure it is free from obstruction before sterilization.