Surgery – Truss – Perineal
Patent
1980-06-20
1982-06-22
Cohen, Lee S.
Surgery
Truss
Perineal
128 92A, A61F 504, A61B 1718
Patent
active
043357156
ABSTRACT:
A pair of guide blocks are movable along an arcuate track of a substantially constant radius and each defines at least one rectilinear pin opening therethrough which extends parallel to the radius of the arcuate track for receiving rectilinear alignment pins therethrough. A scale extends along the arcuate track which indicates the angle of orientation of the pins with respect to each other. A first pin is inserted into a bone, a pin opening of one of the guide blocks is inserted about the protruding end of the first pin, and a second pin is inserted through the pin opening of the other guide block and then into the bone at an angle with respect to the first pin which corresponds to the angle indicated on the arcuate track. After the pins have been inserted into the bone, the osteotomy guide is removed from the pins, the bone is severed, and the bone segments are adjusted until the protruding ends of the pins are in alignment with each other.
REFERENCES:
patent: 2371519 (1945-03-01), Haynes
patent: 2666430 (1954-01-01), Gispert
patent: 3941123 (1976-03-01), Volkov et al.
patent: 4150675 (1979-04-01), Comparetto
patent: 4185623 (1980-01-01), Volkov et al.
Clinical Orthopaedics & Related Research, Oct. 1975, "A Jig for Pin Insertion in the Performance of High Tibial Osteotomy", No. 112, pp. 242-244, by Lippert et al.
Cohen Lee S.
Shedd C. W.
Thomas George M.
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