| 摘要 |
Bone anchors are provided having three suture attachment sites disposed within a bore. The bone anchors are suitable for use in rotator cuff repair procedures. The bone anchors comprise an anchor body having a bore that opens at a proximal end of the anchor body. At least three attachment sites are positioned within the bore. Each attachment site is capable of slidably receiving a respective suture thereon. The three attachment sites are spaced apart and configured such that the portions of the respective sutures that are in contact with the three attachment sites are maintained separated during use. In one embodiment, the three suture attachment sites are provided by two transverse pins placed within the bore. In another embodiment, the bore opens at a distal end and a longitudinal pin is inserted into the opening at the distal end. The at least three attachment sites are provided by the longitudinal pin disposed within the bore. The bone anchors can be fully threaded and can have fine thread and coarse threads for engaging cortical and cancellous bone tissue, respectively.
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