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Zimmer launches NexGen mobile bearing knee

Zimmer Holdings, a provider in musculoskeletal care, has launched NexGen LPS-Flex mobile bearing knee with Prolong Highly Crosslinked Polyethylene (XLPE) in the US.

The LPS-Flex Mobile Bearing knee provides an anteriorly-positioned pivot near the entry point of the anterior cruciate ligament (ACL), replicating the anatomic center of knee rotation.

Zimmer Reconstructive division president Jeff McCaulley said their XLPE provides a number of clinical advantages, including reduced wear and delamination resistance.

"Applying this exciting material to our already successful NexGen LPS-Flex Mobile Bearing Knee System represents a major step forward in mobile bearing design," McCaulley said.

Zimmer said the LPS-Flex Mobile with Prolong Polyethylene system demonstrated an 83% wear reduction compared to conventional polyethylene, during in vitro wear simulator testing.