METHOD AND SYSTEM FOR GRAFT LIGAMENT ATTACHMENT
First Claim
Patent Images
1. A screw comprising:
- a cylindrical wall having a leading end and a trailing end;
threads arranged on an outside surface of the cylindrical wall; and
a plurality of portals arranged in the cylindrical wall and adapted to receive one or more of a plurality of prongs of a cooperating screwdriver.
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Abstract
Various embodiments described herein provide methods and apparatus for achieving the secure and stable fixation of a graft ligament within a bone tunnel using a screw that includes a cylindrical wall having a leading end and a trailing end, threads arranged on an outside surface of the cylindrical wall, and a plurality of portals arranged in the cylindrical wall and adapted to receive a plurality of prongs of a screwdriver.
171 Citations
28 Claims
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1. A screw comprising:
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a cylindrical wall having a leading end and a trailing end; threads arranged on an outside surface of the cylindrical wall; and a plurality of portals arranged in the cylindrical wall and adapted to receive one or more of a plurality of prongs of a cooperating screwdriver. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A method of attaching a graft ligament to a bone comprising:
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forming a tunnel in the bone; providing a screw comprising, a cylindrical wall having an outer surface and an inner surface, a cannula extending from a leading end and through the trailing end of the screw, threads arranged on an outside surface of the cylindrical wall, a plurality of portals arranged in the cylindrical wall and adapted to receive one or more of a plurality of prongs of a screwdriver, and a crossbar arranged at the leading end of the screw; arranging a graft ligament through the through hole of the screw and around the crossbar; and screwing the screw and the graft ligament into the tunnel in the bone. - View Dependent Claims (20, 21, 22, 23)
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24. A method of attaching a graft ligament to a bone comprising:
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forming a tunnel in the bone; providing a screw comprising, a cylindrical wall having an outer surface and an inner surface, threads arranged on an outside surface of the cylindrical wall, and a plurality of portals arranged in the cylindrical wall and adapted to receive one or more of a plurality of prongs of a screwdriver; providing a graft ligament in the tunnel; and
drivingthe screw into the tunnel using a cooperating screwdriver to fix the graft ligament into the tunnel. - View Dependent Claims (25, 26, 27, 28)
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Specification