Method and apparatus for attaching connective tissues to bone using a knotless suture anchoring device
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United States of America Patent
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Apr 13, 2010
Grant Date -
Dec 23, 2004
app pub date -
Jun 29, 2004
filing date -
Feb 12, 2001
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A device for attaching connective tissue to bone has a longitudinal axis and comprises an annular toggle member and a body member disposed distally of the toggle member, such that there is an axial space between the toggle member and the body member. The toggle member is movable between an undeployed position wherein the toggle member has a smaller profile in a direction transverse to the axis and a deployed position wherein the toggle member has a larger profile in the direction transverse to the axis. When installed in a desired procedural site, in suitable bone, suturing material extends axially through a center aperture in the annular toggle member, without being secured to or contacting the toggle member. This approach permits a suture attachment which lies entirely beneath the cortical bone surface, and which further permit the attachment of suture to the bone anchor without the necessity for tying knots, which is particularly arduous and technically demanding in the case of arthroscopic procedures.
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