Surgical drill

Details Surgical drill Surgical drill

1994-01-25

1995-01-10

Rimell, Sam

Surgery

Instruments

Orthopedic instrumentation

606170, 606173, A61B 1700

Patent

active

053803337

ABSTRACT:
A surgical drill assembly is provided having a clutch mechanism that requires a sufficient axial load on cutting surfaces of the drill to enable rotation of the drill. Rotation of the drill ceases almost immediately upon the axial load falling below the predetermined axial load threshold. In one embodiment the drill assembly is disposable, and is virtually impossible to disassemble and reassemble to an operative form. In another embodiment the drill assembly is reusable. The reusable embodiment includes a drill body that enables quick and easy attachment and detachment of a drill head. The reusable drill body is of a unitary construction that can be sterilized and reused without any disassembly.

REFERENCES:
patent: 2842131 (1958-07-01), Smith
patent: 3797497 (1974-03-01), Crim et al.
patent: 4319577 (1982-03-01), Bofinger et al.
patent: 4362161 (1982-12-01), Reimels et al.
patent: 4699550 (1987-10-01), Baker
patent: 4884571 (1989-12-01), Baker
Acra-Cut, Inc. Brochure "Acra-Cut Cranial Perforators New Disposable Cutting Tip System", Acra-Cut, Inc., 989 Main Street, Action, Ma. 01720.
"Acra Cut" Product Brochure by Acra Cut, Inc. of Acton Mass., 1991.

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