Cannulated medical suture anchor

Details Cannulated medical suture anchor Cannulated medical suture anchor

1996-03-05

1996-12-17

Tucker, Guy V.

Surgery

Instruments

Orthopedic instrumentation

606 77, 606232, A61B 1756

Patent

active

055848362

ABSTRACT:
Polymeric medical fixation screws with multiple cannulations and thereby a reduced risk of shearing while being torqued into place are provided. The polymeric screws have at least two cannulae, on either side of a central longitudinal axis of the screw, extending parallel to the longitudinal axis. Torquing instruments are inserted into the cannulae so that the applied torque force for driving the screws into a bone hole is distributed along the shaft of the screw. In one embodiment, the invention provides interference screws, while in other embodiments the invention provides medical fixation screws with heads and soft tissue-to-bone anchors or suture anchors. The polymeric screws may be fabricated from virtually any suitable biocompatible polymers or composites, including bioabsorbable polymers and their composites.

REFERENCES:
patent: 1184173 (1916-05-01), Gehring
patent: 1187714 (1916-06-01), Corey
patent: 1300275 (1919-04-01), Johnson
patent: 2168000 (1939-08-01), Schaurte
patent: 2437381 (1948-03-01), Cullen
patent: 4904261 (1990-02-01), Dove et al.
patent: 5019079 (1991-05-01), Ross
patent: 5156616 (1992-10-01), Meadows et al.
patent: 5169400 (1992-12-01), Muhling et al.

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