Category Archives: drug and pharmaceutical-law

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Drug Watch: Zimmer Knee Implants Plagued With Failure

Knee implants you thought would last decades may only last 3 years.

Today’s post comes from guest author Brenda Fulmer from Pasternack Tilker Ziegler Walsh Stanton & Romano.

Zimmer is an international medical device manufacturer based in northern Indiana. It was founded in 1927, and focuses on the manufacture of products for orthopaedic surgeries. Zimmer’s sales in 2009 were $1.76 billion, and it is estimated that the NexGen family of knee implants make up about 2% of the overall sales of Zimmer.

Flex implants are not lasting nearly as long as intended.

The Zimmer NexGen Knee Implant is not a specific device, but rather a family of devices. Within this NexGen device family, there are different models of implants: NexGen CR-Flex, NexGen LPS-Flex, NexGen High Flex, NexGen LPS, NexGen MIS.

Unlike most knee implants, the Zimmer NexGen CR-Flex is attached without the use of cement, which may cause the system to loosen or detach completely.

The Zimmer NexGen CR-Flex implant was designed to give patients better range of motion than the customary NexGen device. Scientific studies have been accumulating for years with regard to concerns over the safety of the NexGen CR-Flex. Interestingly, the U.S. Continue reading