Surgery – Instruments – Orthopedic instrumentation
Patent
1994-01-11
1994-12-13
Pellegrino, Stephen C.
Surgery
Instruments
Orthopedic instrumentation
606 72, 606232, A61B 1700
Patent
active
053725999
ABSTRACT:
An anchor for attaching an object to a bone-like structure, and a method for deploying the same. The anchor includes a body and a plurality of barbs. The barbs are located in axially aligned, circumferentially spaced relation to each other about the body. Each barb is elastically deformable, and has a normal configuration which extends rearwardly and radially outwardly from the body to an outer end which is located outside of a longitudinal projection of the largest geometric cross-section of the body, as taken transverse to its longitudinal axis. A bore extends transversely through the front portion of the body and is adapted to receive a length of cord-like material, whereby the anchor may be pulled along a bone tunnel. An opening extends transversely through the rear portion of the body and is adapted for connecting the object to the anchor. A slot or interior passageway extends from the front of the anchor to the opening, so as to provide frontal access to the opening. The method includes the steps of threading a cord-like material through the bore; attaching the object to the rear portion of the body; threading the cord-like material through a preformed bone tunnel; pulling the anchor into, and/or through, the preformed bone tunnel to a location slightly beyond its desired anchoring location; and exerting a rearward pulling force on the object so as to set the outer ends of the barbs into the bone-like structure.
REFERENCES:
patent: 4997433 (1991-03-01), Goble et al.
patent: 5147362 (1992-09-01), Goble
patent: 5156616 (1992-10-01), Meadows et al.
patent: 5236445 (1993-08-01), Hayhurst et al.
Harris Sonya C.
Mitek Surgical Products Inc.
Pellegrino Stephen C.
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