Surgery – Truss – Perineal
Patent
1977-10-17
1979-07-03
Frinks, Ronald L.
Surgery
Truss
Perineal
128 92A, 128 92B, 128 92EA, 128 92EB, A61F 500, A61B 1718
Patent
active
041597168
ABSTRACT:
Apparatus and method for compression and realignment of animal bone structures and passage of a drill pin therethrough to retain them in a desired alignment. The apparatus comprises a rigid U-shaped jig having a threaded aperture adjacent the end of one leg and an unthreaded aperture adjacent the end of the other leg thereof, the apertures being axially aligned; a threaded adjustment screw engaged in the threaded aperture and movable toward the other leg upon rotation; a cylindrical bushing slidably engaged in the unthreaded aperture having a threaded axial passage therethrough; means for clamping the bushing in a desired position of adjustment; a threaded drill pin engaged in the passage in the bushing and movable toward the one leg upon rotation; and means for rotating the drill pin thereby piercing and traversing the bone structures and holding them in a desired position of alignment. Correction of splay foot deformity and other surgery of the human foot, hand and knee can thus be effected.
REFERENCES:
patent: 2346346 (1944-04-01), Anderson
patent: 2434431 (1948-01-01), Pincock
"A Drilling Jig for Arthrodesis of the Hip", by C. A. Cass et al., The Journal of Bone & Joint Surgery, British vol. 51-B, No. 1, Feb. 1969, pp. 135-139.
Kirschner Wires, Threaded Kirschner Wires, Orthopedic Catalog, Richards Mfg. Co., Memphis, Tenn., received in PTO Scientific Library on Mar. 25, 1975, p. 118.
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