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Modular bone implant with pan and pins

  • US 5,702,475 A
  • Filed: 02/14/1996
  • Issued: 12/30/1997
  • Est. Priority Date: 10/04/1994
  • Status: Expired due to Fees
First Claim
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1. A bone implant comprising a pan having an outer surface configured in a form of a segment of a sphere and an inner surface configured to receive a head of a femoral prosthesis, and pin-type fastening means to anchor the pan in the pelvic bone of the patient, the pan having recesses sized to receive the fastening means, and with the recesses being designed for an axially parallel arrangement of the fastening means, characterized in that the recesses haveaxially parallel bores, each said bore converging conically toward an interior of the pan, and wherein said fastening means have a conically-shaped portion for insertion into said pan, andstop means for preventing movement of the fastening means towards the interior of the pan, said fastening means being substantially free of threads in an area that is inserted into the pelvic bone of the patient.

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