Surgery – Instruments – Orthopedic instrumentation
Patent
1997-07-21
1999-07-06
Tucker, Guy V.
Surgery
Instruments
Orthopedic instrumentation
606 60, A61B 1768
Patent
active
059191945
ABSTRACT:
An orthopaedic implant, namely a locking device for anchoring to cortical bone for the fixation of fractures of bone and/or dislocations of joints. The locking device includes a cable, a locking member slidable over the cable, and a spreader member attached to a distal end of the cable. The locking member has an expandable portion that may be expanded when the locking member engages the spreader member. A capturing assembly has a raised portion and a contractible passage therethrough for securably receiving a proximal portion of the cable, and preferably includes a cooperating sleeve and annular-shaped member adapted to contract the contractible passage. The cable and locking device are introduced through a hole in a bone, the locking member is expanded, thereby engaging the distal or far surface of the bone. The capturing assembly is introduced over the cable until the raised portion engages the proximal or near surface of the bone. Tension is applied to the cable, and the annular-shaped member is directed into the sleeve, thereby contracting the contractible passage and securing the cable therein.
REFERENCES:
patent: 2562419 (1951-04-01), Ferris
patent: 2760488 (1956-08-01), Pierce
patent: 3489143 (1970-01-01), Halloran
patent: 5098433 (1992-03-01), Freedland
patent: 5464427 (1995-11-01), Curtis et al.
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