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Artificial joint components including synovial fluid deflecting structures and particle retaining structures

  • US 9,387,081 B2
  • Filed: 05/21/2014
  • Issued: 07/12/2016
  • Est. Priority Date: 09/27/2012
  • Status: Expired due to Fees
First Claim
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1. An artificial joint prosthesis, comprising:

  • a bone-facing surface of an artificial joint prosthesis, the bone-facing surface configured to face a bone-prosthesis interface in vivo;

    a substantially rigid non-load bearing surface of the artificial joint prosthesis, the non-load bearing surface adjacent to the bone-facing surface of the artificial joint prosthesis;

    at least one substantially flexible fluid deflection structure including a first end attached to the non-load bearing surface and a second end distal to the non-load bearing surface, the second end structured as free of contact with other portions of the artificial joint prosthesis and with the bone-prosthesis interface, the fluid deflection structure positioned to direct a flow of synovial fluid away from the bone-prosthesis interface in vivo during physiological movement of the artificial joint prosthesis; and

    at least one particle retaining structure positioned to contact the directed flow of synovial fluid and configured to retain non-physiological particles present within the synovial fluid.

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