Showing posts with label Zimmer NexGen knee replacement problems. Show all posts
Showing posts with label Zimmer NexGen knee replacement problems. Show all posts

Tuesday, October 25, 2011

Knee Replacement Recall For Zimmer, Backed Up By Research


More than 150,000 Zimmer NexGen CR and Zimmer NexGen CR-Flex Porous Femoral implants have been sold since 2003, and some doctors have reported experiencing a substantially higher-than-expected rate of Zimmer knee failures within a few years of surgery using these implants. This Zimmer NexGen knee has a “high-flex” porous femoral component that attaches to the bottom of the thighbone instead of using cement to keep the knee replacements in place. The high-flexion (hi-flex) knee implants, which promise a higher range of motion than traditional devices, and are generally used in younger, more active patients, but this appears to mean these patients more often require Zimmer knee revision surgery. Hi-flex knee replacement surgery requires that more bone at the back of the knee be removed so