Method and apparatus for corrective osteotomy

Details Method and apparatus for corrective osteotomy Method and apparatus for corrective osteotomy

1983-06-30

1985-04-09

Rosenbaum, C. Fred

Surgery

Truss

Perineal

128 92E, A61F 504

Patent

active

045095116

ABSTRACT:
In high tibial osteotomy a cross-shaped gauge having downwardly-depending side arms is positioned toward the end of the tibia, with the depending arms adjacent the arcuate path of the proposed saw cut. The cross-shaped gauge establishes a first indicia between said depending arms for positioning the arcuate axis of a semi-cylindrical saw, and a second indicia proximate the upper end of the longitudinal arm of the gauge for locating the saw arc. A saw blade of correct radius is then selected. The first indicia established by the gauge positions a first hole drilled through the bone for receiving a guide pin or rod, and the second indicia locates a second hole on the saw line for receiving a depth gauge. An arm on the depth gauge is aligned with a plurality of spacers placed on the aforementioned pin or rod, and the pin or rod is received along a cylindrical bore in the saw. When the saw is operated, the spacers arrest movement of the saw blade when it has passed through the bone.

REFERENCES:
patent: D245918 (1977-09-01), Shen
patent: 4284080 (1981-08-01), Rehder
patent: 4349017 (1982-09-01), Sayegh
patent: 4409973 (1983-10-01), Neufeld

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