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FDA OK's new knee prosthesis
Published: Jan. 2, 2008 at 12:38 PM

CHICAGO, Jan. 2 (UPI) -- A Chicago surgeon is set to perform the first surgical implant of the Nex Gen LPS-Flex mobile bearing knee, newly approved by the Food and Drug Administration.

Dr. Mitchell Sheinkop of the Neurologic & Orthopedic Hospital of Chicago said the FDA last week approved the Zimmer Holdings knee, which is considered the next generation of knee prostheses for active adults, especially amateur and professional athletes. Sheinkop said the main difference between a fixed bearing, or traditional knee replacement, and a mobile bearing knee is that the articulating surface is free to rotate slightly along with the patient's natural movement.

"The design of this knee allows for better range of motion and improved flexibility for daily activities, whether around the home, at work or during sports and exercise," Sheinkop said in a statement. "The knee is designed for patients who want high-flexion and have demanding lifestyles/habits. If you want to do deep knee bends, this is the knee you should choose."

The surgery is scheduled for Feb. 20.


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