Evidence of High Failure Rate in Zimmer NexGen CR-Flex Porous Femoral Knee Replacement System

Evidence of High Failure Rate in Zimmer NexGen CR-Flex Porous Femoral Knee Replacement System

It is estimated that about 21 million people in America deal with osteoarthritis, which leads to deterioration of the ligaments in the knee and results in the bones in the knee rubbing against each other. Osteoarthritis can be a very painful and uncomfortable condition and sufferers typically seek out replacement of the joint in order to regain the range of motion that has been lost. When Zimmer began marketing the NexGen CR-Flex Porous Femoral knee replacement system in 2003, it asserted that patients who undergo the procedure to implant the NexGen CR would be able to regain much of their active lifestyle that was lost to osteoarthritis. It was the newest and best of the Zimmer knee models.

Unfortunately, there have been some issues with the implementation of the Zimmer NexGen CR-Flex in a significant amount of patients who have undergone the procedure. In March of 2010, a group of knee surgeons from the Rush University Medical Center in Chicago presented a study to the American Academy of Orthopaedic Surgeons' annual conference detailing their findings. The study covered the two year results of 108 knee replacement surgeries implementing the NexGen CR-Flex Porous Femoral knee replacement system, and the results were startling. Researchers concluded that over 8% needed a second surgery to revise the implementation and found evidence of loosening in 36% of the patients.

While this is just one of several studies that have been conducted, the results of the Rush University study revealed strong evidence that the failure rate for the NexGen CR-Flex is higher than industry accepted levels. There has been no FDA Zimmer knee recall model as of yet but if more evidence begins to accumulate, then it will be interesting to see how Zimmer reacts.

This is not the first time that Zimmer has dealt with criticism for problems with one of their products. Back in 2008, it was found that their Durom Cup hip implants caused complications in the patients who had the model used in their hip replacement surgery. After the company acknowledged the high failure rates with the Durom Cup, a temporary recall was issued in July of 2008.

While there have not been any any public statements regarding recalls with Zimmer knee models, there is potentially one around the corner. If you have had Zimmer CR-Flex knee replacement surgery and have subsequently had your replacement knee revised or have had other issues such as loosening, pain, or difficulty walking, then you may have the basis for a Zimmer NexGen CR-Flex lawsuit. The attorneys at Rottenstein Law Group have more than 25 years of experience helping their clients recover the money they deserve from negligent corporations.

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