Cruciate retaining and cruciate substituting ultra-congruent insert.


The posterior cruciate ligament (PCL) conservation and the polyethylene insert constraint in total knee arthroplasty (TKA) are still debated. The PCL is one of the primary stabilizers of the joint, but cruciate retaining (CR) implants have the disadvantage of a difficult balancing of the PCL. Postero-stabilized (PS) implants were introduced to reduce this… (More)
DOI: 10.3978/j.issn.2305-5839.2015.12.52


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