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Self-lubricating implantable articulation member

  • US 5,641,323 A
  • Filed: 01/16/1996
  • Issued: 06/24/1997
  • Est. Priority Date: 02/18/1994
  • Status: Expired due to Term
First Claim
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1. An implantable article for placement within a joint space, comprising a unitary articulation member having an articulation surface and an opposed, bone-engaging surface, the articulation member havingone or more primary internal passageways extending internally within the member from a fluid communication inlet port disposed on a surface of the article adjacent to the joint space, andmeans for communicating fluid from the primary internal passageways to the articulation surface, the primary passageways and means for communicating being able to convey synovial fluid from within the joint space to the articulation surface to provide lubrication between the articulation member and another articulation component of an artificial joint.

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