Fig. 1From: Mid-term survivorship of cruciate-retaining versus posterior-stabilized total knee arthroplasty using modular mini-keel tibial implantsThe modular mini-keel tibial implant (NexGen MIS Tibial Component; Zimmer Inc., Warsaw, IN, USA) was made of two parts: the plate with a keel underneath (mini-keel) and a modular stemBack to article page