Suture anchor assembly
First Claim
Patent Images
1. A surgical suture anchor assembly, comprising:
- an elongated, generally cylindrical member extending along a central axis and having a maximum outer diameter, said member including an anchor portion at a first end thereof rigidly coupled to a suture/drive portion at a second end thereof, said second end being opposite said first end,wherein said anchor portion has a self tapping thread pattern on the outer surface of said anchor portion, said pattern extending from said first end, andwherein said suture/drive portion includes;
A. at least one eyelet positioned at or near said second end, said eyelet having a central aperture, whereby a suture path extending between two end points is defined by a region adjacent to said second end, through said aperture of said eyelet and back to said region adjacent to said second end, wherein the end points of said suture path are less than a distance equal to D'"'"'/2 from said central axis, where D'"'"' is less than or equal to said maximum outer diameter; and
B. coupling means for receiving a distal tip of a cannulated driver rotatable about a drive axis, whereby said cylindrical member and said distal tip are mechanically coupled for mutual rotation with said drive axis and said central axis being coaxial when said distal tip of said driver is received by said coupling means.
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Abstract
Suture anchor assembly for attaching soft tissue to bone. The assembly includes an elongated member having a self-tapping threaded portion at one proximal end, and an integral eyelet for receiving a suture at its distal end. The distal end further includes a receiver for a rotating driver device, such as a cannulated drill. The assembly is designed for endoscopic insertion of the anchor with the suture extending along the central axis of the driver.
752 Citations
15 Claims
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1. A surgical suture anchor assembly, comprising:
an elongated, generally cylindrical member extending along a central axis and having a maximum outer diameter, said member including an anchor portion at a first end thereof rigidly coupled to a suture/drive portion at a second end thereof, said second end being opposite said first end, wherein said anchor portion has a self tapping thread pattern on the outer surface of said anchor portion, said pattern extending from said first end, and wherein said suture/drive portion includes; A. at least one eyelet positioned at or near said second end, said eyelet having a central aperture, whereby a suture path extending between two end points is defined by a region adjacent to said second end, through said aperture of said eyelet and back to said region adjacent to said second end, wherein the end points of said suture path are less than a distance equal to D'"'"'/2 from said central axis, where D'"'"' is less than or equal to said maximum outer diameter; and B. coupling means for receiving a distal tip of a cannulated driver rotatable about a drive axis, whereby said cylindrical member and said distal tip are mechanically coupled for mutual rotation with said drive axis and said central axis being coaxial when said distal tip of said driver is received by said coupling means. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A driver assembly for releasably supporting a suture anchor assembly wherein said driver assembly comprises:
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A. an elongated tubular member extending along a driver axis and having a proximal end and a distal end; B. a pair of resilient, elongated finger members extending from opposite sides of the end of said distal end of said tubular member and along respective finger axes parallel to said driver axis, said finger axes and said driver axes being substantially coplanar, wherein said finger members are separated by a first distance S1 at said distal end of said tubular member and by lesser distances at other locations along said driver axis. - View Dependent Claims (11)
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12. A surgical anchor kit, comprising:
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I. an elongated, generally cylindrical member extending along a central axis and having a maximum outer diameter, said member including an anchor portion at a first end thereof rigidly coupled to a suture/drive portion at a second end thereof, said second end being opposite said first end, wherein said anchor portion has a self tapping thread pattern the outer surface of said anchor portion, said pattern extending from said first end, and wherein said suture/drive portion includes; A. at least one eyelet positioned at or near said second end, said eyelet having a central aperture, whereby a suture path extending between two end points is defined by a region adjacent to said second end, through said aperture of said eyelet and back to said region adjacent to said second end, wherein the end points of said suture path are less than a distance equal to D'"'"'/2 from said central axis, where D'"'"' is less than or equal to said maximum outer diameter; and B. coupling means for receiving a distal tip of a cannulated driver rotatable about a drive axis, whereby said cylindrical member and said distal tip are mechanically coupled for mutual rotation with said drive axis and said central axis being coaxial when said distal tip of said driver is received by said coupling means, and II. a driver assembly for releasably supporting a suture anchor assembly wherein said driver assembly comprises; A. an elongated tubular member extending along a driver axis and having a proximal end and a distal end; B. a pair of resilient, elongated finger members extending from opposite sides of the end of said distal end of said tubular member and along respective finger axes parallel to said driver axis, said finger axes and said driver axes being substantially coplanar, wherein said finger members are separated by a first distance S1 at said distal end of said tubular member and by lesser distances at other locations along said driver axis. - View Dependent Claims (13, 14, 15)
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Specification