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Wedge shaped suture anchor and method of implantation

  • US 5,961,538 A
  • Filed: 04/10/1996
  • Issued: 10/05/1999
  • Est. Priority Date: 04/10/1996
  • Status: Expired due to Term
First Claim
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1. A suture anchor for disposition in a bore in a bone, the anchor comprising:

  • a substantially wedge-shaped body having a smaller distal end and a larger proximal end, means thereon for retaining a suture, and means thereon for releasable connection to an inserter shaft;

    a boundary surface and a plow surface of said body intersecting to form a biting edge at said proximal end of said body; and

    said boundary surface and an abutment surface of said body intersecting to form a cam surface at said proximal end of said body; and

    said biting edge being adapted to be in engagement with a first wall portion of the bore and said cam surface being adapted to be in engagement with a second wall portion of the bore opposed to the first wall portion;

    wherein tension on said inserter shaft is operable to move said cam portion on the bore second wall portion to cause said cam portion to rotate said body in the bore and to urge said biting edge into the bore first wall portion to lock said body in the bore, said body other than said biting edge remaining in the bore.

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