Drill alignment guide for osteoplastic surgery

Details Drill alignment guide for osteoplastic surgery Drill alignment guide for osteoplastic surgery

1988-08-08

1989-08-29

Hafer, Robert A.

Surgery

Truss

Perineal

128 92VD, 128 92VP, 408 72R, 408103, 408110, 408712, A61B 1756

Patent

active

048607355

ABSTRACT:
A drill alignment apparatus for a drill adapted for osteoplastic surgery comprises an alignment rod mounted thereto and a clamp element. The alignment rod is parallel to and disposed a predetermined distance (D) from a shaft of the drill. The clamp element includes an aperture which permits passage of the rod. The clamp element is adapted to be affixed to a bone, such as a femur, so that the aperture is displaced from the central axis of the bone by substantially the same distance which the center axis of the alignment rod is displaced from the center axis of the drill shaft. When drilling is commenced, the forward end of the alignment rod is placed within the aperture of the clamp element. As drilling progresses, the rod passes through the aperture, thereby ensuring that drilling occurs along a predetermined drilling path extending along the bone axis.

REFERENCES:
patent: 2200120 (1940-05-01), Nauth
patent: 2439803 (1948-04-01), Giesen
patent: 2675003 (1954-04-01), Veley
patent: 2849900 (1958-09-01), Heidtman, Jr.
patent: 3060769 (1962-10-01), Heider
patent: 3867932 (1975-02-01), Huene

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