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Device for repairing a soft-tissue tear and method

  • US 6,527,777 B2
  • Filed: 03/13/2001
  • Issued: 03/04/2003
  • Est. Priority Date: 04/04/2000
  • Status: Expired due to Term
First Claim
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1. A fastener for repairing a tear in soft tissue of a patient, the fastener having:

  • a root portion having a proximal end, a distal end, and a distal section having a narrowing cross section toward the distal end; and

    a helical protrusion atop the root portion along a central section thereof between the proximal end and the distal end, the helical protrusion having a helical pitch along the central section, the helical pitch having a substantially constant value along a distal section extending proximal of the distal end and having a variable value extending proximal of the distal section, wherein the helical pitch decreases from the distal end to the proximal end, and wherein the helical protrusion has a radial depth from an outer edge to the root portion, the radial depth smaller adjacent the distal end than along the variable section.

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