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SIGMA® TC3 Knee System
The SIGMA® Knee System design is the most constrained device available within the P.F.C.® SIGMA® Knee System and is indicated for use in cases where collateral ligaments are deficient. This comprehensive system offers both a fixed bearing and rotating platform option. Additionally surgeons are able to address bone and soft tissue defects with a variety of products including augments, wedges, stems, and metaphyseal sleeves. This system’s approach to revision knee surgery provides the surgeon with maximum intra-operative flexibility.
Features & Benefits
Unique Tibial Bearing Options
Allows for either rotating platform or fixed bearing tibial constructs. Providing rotating platform in the revision constraint (varus valgus constraint) level.
Common MBT Revision Tibial Base Used Across Constraint Levels
Intra-operative flexibility. Address an array of patient needs. OR efficiency with common tibial base and preparation as used in higher constrained implant options. Allows for bearing rotation that reduces torsional stresses on tibial base1
Metaphyseal Sleeves for Tibia and Femur
Modular porous sleeves accommodate Engh Type II bone defects. Provide rotational stability. Compressively load the bone according to Wolff’s Law. Intra-operative flexibility. Restores varying patient anatomies.
Intra-operative flexibility. Restores varying patient anatomies. Intra-operative flexibility. Common instrumentation if need to increase levels of constraint. Addresses an array of patient needs.