System and method for attaching soft tissue to bone
DC CAFCFirst Claim
1. A method of attaching soft tissue to bone, comprising:
- inserting a first anchor into bone, wherein after insertion, the first anchor is positioned underneath the soft tissue;
passing a first length of suture from said first anchor over the soft tissue;
inserting at least a portion of a second anchor into bone at a position beyond an edge of the soft tissue;
after inserting said at least a portion of the second anchor, tensioning the first length of suture to compress an area of tissue to bone between the edge of the soft tissue and the first anchor; and
after tensioning the first length of suture, fixedly securing the first length of suture at the second anchor position without tying any knots;
wherein at least one of said anchors comprises an anchor tip and a hollow cylinder, wherein the anchor tip comprises an aperture through which suture material is threaded prior to insertion of the at least one anchor.
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Abstract
Disclosed herein are methods and devices for securing soft tissue to a rigid material such as bone. A bone anchor is described that comprises a base and a top such that suture material may be compressed between surfaces on the base and top to secure the suture to the anchor. Also described is an inserter that can be used to insert the bone anchor into bone and move the anchor top relative to the anchor base to clamp suture material there between. Also described is a soft-tissue and bone piercing anchor and associated inserter. Methods are described that allow use of the bone anchors to provide multiple lengths of suture material to compress a large area of soft tissue against bone.
211 Citations
17 Claims
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1. A method of attaching soft tissue to bone, comprising:
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inserting a first anchor into bone, wherein after insertion, the first anchor is positioned underneath the soft tissue; passing a first length of suture from said first anchor over the soft tissue; inserting at least a portion of a second anchor into bone at a position beyond an edge of the soft tissue; after inserting said at least a portion of the second anchor, tensioning the first length of suture to compress an area of tissue to bone between the edge of the soft tissue and the first anchor; and after tensioning the first length of suture, fixedly securing the first length of suture at the second anchor position without tying any knots; wherein at least one of said anchors comprises an anchor tip and a hollow cylinder, wherein the anchor tip comprises an aperture through which suture material is threaded prior to insertion of the at least one anchor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A method of attaching soft tissue to bone, comprising:
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inserting a first anchor into bone, wherein after insertion, the first anchor is positioned underneath the soft tissue; passing a first length of suture from said first anchor over the soft tissue; inserting at least a portion of a second anchor into bone at a position beyond an edge of the soft tissue; after inserting said at least a portion of the second anchor, tensioning the first length of suture to compress an area of tissue to bone between the edge of the soft tissue and the first anchor; and after tensioning the first length of suture, fixedly securing the first length of suture at the second anchor position without tying any knots; wherein at least one of said anchors comprises an anchor tip and a hollow cylinder, wherein the anchor tip comprises; an aperture through which suture material is threaded prior to insertion of the at least one anchor, an engaging member adapted to engage an inner surface of said cylinder, and an anchor inserter attachment member, wherein insertion of the at least one anchor comprising an anchor tip and a hollow cylinder comprises using an inserter that comprises a handle, an outer sleeve, and an inner member, wherein the inner member extends through the outer sleeve and the hollow cylinder and is attached to the anchor inserter attachment member.
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Specification