WebThe 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 … WebJan 16, 2024 · In these situations, the PCL can be substituted by a posterior-stabilized (PS) implant or an ultracongruent (UC) insert. PS implants substitute the PCL with a box and cam mechanism, while UC implants accomplish this by a raised anterior lip and deep dished polyethylene insert. Both designs have advantages and disadvantages.
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WebApr 6, 2024 · Many polyethylene inserts have been attempted to re-create normal knee kinematics, but none have been able to successfully do so. ... Massin P, Boyer P, Sabourin M. Less femorotibial rotation and AP translation in deep-dished total knee arthroplasty. An intraoperative kinematic study using navigation. Knee Surg Sports Traumatol Arthrosc … WebApr 2, 2024 · The use of a deep dished polyethylene (PE) insert provides stability and use of MB insert reduces PE wear whilst retaining congruity. Two designs of deep-dished MB inserts showed significant posterior tibial translation on stress X-rays. It remains to be determined what amount of laxity is optimal for clinical function and polyethylene longevity. bridge commander remastered full screen
Medium-term osteolysis with the Wallaby I® deep-dished …
WebHofmann, Aaron A. Posterior Stabilization Using An Ultracongruent Deep Dished Polyethylene Tibial Insert. Bobyn JD, Pilliar RM, Cameron HU, Weatherby GC. The Optimum Pore Size for the Fixation of Porous-Surfaced Metal Implants by the Ingrowth of Bone. Clin Orthop. 1980, 150:263-70. ... WebFeb 8, 2016 · 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 … WebTo minimize both the cam mechanism polyethylene wear and the bone sacrifice due to the intercondylar box cut, the ultra-congruent (UC) inserts have been developed that are characterized by a high anterior wall and a deep-dished plate, promising good stability without cam mechanism. Materials and Methods: We did a prospective study to clinically ... bridgecom microphone