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Anchored femoral dome

  • US 4,976,740 A
  • Filed: 07/14/1989
  • Issued: 12/11/1990
  • Est. Priority Date: 07/14/1989
  • Status: Expired due to Fees
First Claim
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1. An implant, engageable with a sculpted femoral head having a prepared channel therethrough, for use as a body joint element which comprises:

  • a dome, shaped as a solid hemisphere, defining an outer hemispherical bearing surface terminating in a flat lower bone-engaging surface, said dome being formed with a hole, said flat surface of said dome for abutting against said femoral head, said flat surface being textured and having a plurality of spikes extending outwardly therefrom to hold said dome to said sculpted surface; and

    an elongated compression bolt terminating at opposite first and second ends and insertable through said hole and through said prepared channel, said first end including engaging means for attachment to said dome, said second end adapted to be engageable with a fixation means coupled to said second end for holding said flat surface against said sculpted head.

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