Surgery – Instruments – Orthopedic instrumentation
Patent
1988-12-12
1990-11-06
Hafer, Robert A.
Surgery
Instruments
Orthopedic instrumentation
606 57, 606 58, A61B 1760
Patent
active
049683160
ABSTRACT:
An ankle joint distractor and method for spreading an ankle joint in preparation for arthroscopic surgery. The distractor comprises a pair of external fixation pins for transfixing bones adjacent the ankle joint so as to pass parallel to one another and directly through the bones from the medial side to the lateral side, and a pair of jack screws for attachment to the parallelly transfixed pins, the jackscrews being adapted to force the pins apart or together so as to distract or to compress the ankle joint while the pins are maintained in a generally parallel spaced apart relationship.
REFERENCES:
patent: 1997466 (1935-04-01), Longfellow
patent: 2238869 (1941-04-01), Haynes
patent: 3547113 (1970-12-01), Swanson
patent: 3976061 (1976-08-01), Volkov et al.
patent: 4220146 (1980-09-01), Cloutier
patent: 4554915 (1985-11-01), Brumfield
patent: 4573459 (1986-03-01), Litton
patent: 4628919 (1986-12-01), Clyburn
patent: 4768524 (1988-09-01), Hardy
Chas. F. Thackray Ltd., advertisement for a Charnley Screw Jack. date unknown.
"Ankle Arthroscopy, Pathology and Surgical Techniques", by James F. Guhl M.D., copyright 1988 by Slack Incorporated, 6900 Grove Road, Thorofare, N.J. 08086; esp. pp. 46, 52, 55 and page containing FIGS. 12-1 and 12-2.
Hafer Robert A.
Rooney Kevin G.
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