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Orthopedic & Trauma SolutionsMarch 17, 2021INVAMED Medical Affairs

A Clinical Introduction to Locking and Compression Plates

How locking plate works: an educational, technical overview covering the mechanism, applications, considerations, and INVAMED's related devices.

This article explains, in educational terms, locking plate — how the technology works and where it fits. Orthopedic trauma solutions address the fixation of fractures and the reconstruction of joints, using implants intended to stabilize bone so that healing can occur in a corrected position. As a medical device manufacturer, INVAMED develops technologies in this area; the information here is educational and not medical advice.

Background: Fracture Fixation and Joint Reconstruction

Internal fixation includes intramedullary nails placed within the medullary canal of long bones, as well as plates and screws applied to the bone surface, while external fixators stabilize from outside the limb. Locking plates have threaded holes that lock screws at a fixed angle to create angular stability, which the site FAQ notes is particularly relevant for osteoporotic bone, whereas non-locking plates rely on friction between the plate and bone. Joint reconstruction encompasses hip and knee prostheses and arthroscopy systems, extending the portfolio beyond acute fracture care into reconstructive surgery.

Locking and Compression Plates

Locking plates use threaded screw holes that lock the screw head to the plate at a fixed angle, creating a fixed-angle construct that provides angular stability without relying on plate-to-bone compression. As the site FAQ notes, this angular stability is especially useful in osteoporotic bone, whereas non-locking plates depend on friction between the plate and bone surface. INVAMED's CytroFIX plate offering includes titanium locking and compression plates, such as the CytroFIX Distal Tibia Medial Plate for peri-articular tibial fractures. Plate type, contouring, and screw configuration are determined by the surgeon based on the fracture pattern and bone quality.

Design and Technical Notes

INVAMED's CytroFIX system is organized by implant type and anatomical region, spanning intramedullary nails, plates, and screws manufactured from medical-grade titanium. Implants are intended for use by trained orthopedic surgeons and per the IFU. Fracture location and pattern strongly influence the choice among intramedullary nailing, plating, and screw fixation. Implant material such as Ti-6Al-4V titanium affects strength, imaging behavior, and biocompatibility, and is weighed alongside the fracture.

Key Considerations

  • Manufacturer statements about the CytroFIX range, including the 35+ implant variants figure, reflect the company's product information rather than guaranteed clinical outcomes.
  • Implant material such as Ti-6Al-4V titanium affects strength, imaging behavior, and biocompatibility, and is weighed alongside the fracture.
  • Fracture location and pattern strongly influence the choice among intramedullary nailing, plating, and screw fixation.

Frequently Asked Questions

What about regulatory status and availability?

Device availability and regulatory status vary by country. Please contact INVAMED or your authorized local distributor for current regulatory information applicable to your region.

Who decides which implant is used?

A qualified orthopedic surgeon selects the implant based on the fracture, bone quality, and patient factors; this article is educational and not a treatment recommendation.

How many implant variants does the CytroFIX system include?

Per invamed.com content surfaced via the search index, the CytroFIX system includes 35+ orthopedic implant variants made from Ti-6Al-4V titanium, covering femoral, tibial, and humeral fractures.

Clinical and Technical Context

All INVAMED orthopedic implants are intended for use by trained surgeons and in accordance with the IFU and applicable regulatory approvals. Plate type, contouring, and screw configuration are determined by the surgeon based on the fracture pattern and bone quality. Implant material choice, commonly medical-grade titanium alloys or stainless steel, influences strength, imaging behavior, and biocompatibility, and is considered alongside the fracture pattern. INVAMED's CytroFIX Intramedullary Femoral Nail is built from Ti-6Al-4V medical-grade titanium; per invamed.com content surfaced via the search index, the intramedullary nail range covers femoral (9 to 13 mm diameter), tibial, and humeral fractures within a system of 35+ implant variants.

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Important Disclaimer

This content is educational and technical in nature and must not be interpreted as medical advice or as a promise of any clinical outcome. Individual results depend on many factors and can only be evaluated by a treating physician. Figures attributed to INVAMED reflect manufacturer or published data and are not a guarantee of results. All INVAMED devices are to be used by trained clinicians per the approved IFU, and availability is subject to local regulatory status.

Reviewed by the INVAMED Medical Affairs team. Content is educational and technical in nature.

Reviewed by: INVAMED Medical Affairs

This content is prepared for educational purposes for healthcare professionals and does not constitute medical advice. Always consult clinical guidelines and product instructions for use.

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