×

Self-retaining systems having laser-cut retainers

  • US 10,420,546 B2
  • Filed: 05/04/2011
  • Issued: 09/24/2019
  • Est. Priority Date: 05/04/2010
  • Status: Active Grant
First Claim
Patent Images

1. A self-retaining suture thread comprising:

  • (a) a thread surface extending along a central axis;

    (b) a plurality of tissue retainers distributed along the thread surface, wherein each tissue retainer comprises;

    (i) a tip, and(ii) at least one tissue engagement surface oriented at a first acute angle relative to the central axis,wherein each tissue retainer is defined by a respective slot formed in the thread surface, wherein each slot includes an inner side and an outer side that are parallel to one another along at least a portion of the slot; and

    (c) a plurality of entrance ramps, wherein each entrance ramp is positioned adjacent to the tip of a respective one of the tissue retainers and is oriented at a second acute angle different than the first acute angle relative to the central axis, wherein the entrance ramps open to the slots and are configured to expose the tips of the tissue retainers to thereby promote engagement of the tissue engagement surfaces with tissue.

View all claims
  • 5 Assignments
Timeline View
Assignment View
    ×
    ×