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Random surface protrusions on an implantable device

  • US 5,507,815 A
  • Filed: 12/15/1994
  • Issued: 04/16/1996
  • Est. Priority Date: 06/17/1991
  • Status: Expired due to Term
First Claim
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1. A bone implant formed of a substrate material and having an exterior surface, a portion of said exterior surface being adapted to be joined to a segment of natural bone within the human body, the surface portion to be so joined comprising a plurality of randomly sized, as defined by height and thickness, and spaced, as defined by proximity therebetween, protrusions, which are unstressed with respect to said surface portion, located upon said surface portion in its entirety, said protrusions being formed of the bone implant substrate material and constructed monolithically therefrom.

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