Tags: metal | hip | replacement

Non-metal Hip Implant Developed

Tuesday, 08 May 2012 11:56 AM


German scientists have developed a new kind of artificial hip implant that could soon replace problematic all-metal artificial hips that have caused problems for thousands of patients in the U.S. and around the world.
Researchers at the Fraunhofer Institute for Manufacturing Engineering and Automation IPA in Stuttgart who created the new implant – called “Endure” -- is made of a high-tech composite and provides a metal-free solution and bone-like elasticity.
The hip socket is made of a carbon fiber-reinforced “biocompatible” polymer and the femoral ball is comprised of ceramic material.
"The cobalt-chromium implants in use to date are very rigid, and the load transfer to the bone is non-optimal leading to potential adverse bone adaptation,” noted Jasmin Hipp, an engineer who helped develop the new implant. “Thanks to the new combination of materials, the transmission of force through the …hip socket to the pelvic bone is modeled on natural conditions. And there are no metal ions released."
Concerns about all-metal implants have been rising in recent years, with many patients reporting some wear out prematurely and studies suggesting metal ions from them can be released into the body, raising the risk of health problems.
Some health experts have called for a ban on metal-on-metal artificial joints.


© HealthDay

 
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German engineers create what they call a safer alternative to all-metal hip replacements.
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2012-56-08
Tuesday, 08 May 2012 11:56 AM
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