Patent ID: 9011547
Filing Date: 2015-04-21
Classification: A61F

Abstract:
1. A knee prosthesis system for cruciate-retaining (CR) and posterior-stabilized (PS), total knee replacement procedures comprising: a. a plurality of differently-sized CR femoral components, each CR femoral component having a medial condyle surface and a lateral condyle; b. a plurality of differently-sized PS femoral components, each PS femoral component having a medial condyle surface and a lateral condyle surface; c. a plurality of differently-sized metal fixed tibial components; d. a plurality of differently-sized mobile tibial components; e. a plurality of differently-sized CR mobile inserts, each CR mobile insert having a medial bearing surface configured to articulate with the medial condyle surface of one size of CR femoral components and a lateral bearing surface configured to articulate with the lateral condyle surface of the same size of CR femoral components, wherein each size of CR mobile inserts may be mounted on at least two different sizes of the mobile tibial components; f. a plurality of differently-sized polymeric CR fixed inserts, each CR fixed insert having a medial bearing surface configured to articulate with the medial condyle surface of one size of CR femoral components and a lateral bearing surface configured to articulate with the lateral condyle surface of the same size of CR femoral components, wherein each size of CR fixed inserts has a different width and may be mounted in a secure fixed relationship with at least two different sizes of the fixed tibial components; g. a plurality of differently-sized polymeric PS fixed inserts, each PS fixed insert having a medial bearing surface configured to articulate with the medial condyle surface of one size of PS femoral components and a lateral bearing surface configured to articulate with the lateral condyle surface of the same size of PS femoral components, wherein each size of PS fixed inserts has a different width and may be mounted in a secure fixed relationship with at least two different sizes of the fixed tibial components; and h. a plurality of PS mobile inserts, each PS mobile insert having a medial bearing surface configured to articulate with the medial condyle surface of one size of PS femoral components and a lateral bearing surface configured to articulate with the lateral condyle surface of the same size of PS femoral components, wherein each size of PS mobile inserts may be mounted on at least two different sizes of the mobile tibial components; i. wherein each tibial component has a platform and a stem extending distally from the platform, each stem having a distal portion and a proximal portion, the distal portion and the proximal portion having different shapes, the distal portion of the stem of each size of tibial component having the same length and the same generally conical shape and the proximal portion of the stem of each size of tibial component having a different length.