Surgical drill and bur for use therewith

Details Surgical drill and bur for use therewith Surgical drill and bur for use therewith

1987-04-20

1989-03-14

Thaler, Michael H.

Surgery

Truss

Pad

A61B 1732

Patent

active

048117366

ABSTRACT:
A surgical drill is disclosed which includes an electric motor and an elongate tubular support sleeve. A drill bur is mounted so as to extend through the support sleeve and extend outwardly from the free end thereof, and the bur includes a shaft which mounts a plastic sleeve bearing for relative rotation therewith. The bearing contacts the internal bore of the support sleeve, so as to provide a seal therebetween which prevents the passage of debris past the bearing and into the support sleeve. Also, a portion of the plastic sleeve bearing is visible during use, and the bearing includes a distinctive color which is correlated to the particular configuration or size of the cutting tip of the bur, to thereby facilitate its identification during use of the drill.

REFERENCES:
patent: 1984839 (1934-12-01), Murray
patent: 2606366 (1952-08-01), Stevens
patent: 2878809 (1959-03-01), Treace
patent: 2905178 (1959-09-01), Hilzinger, III
patent: 3193335 (1965-07-01), Wing
patent: 4071029 (1978-01-01), Richmond et al.
patent: 4134705 (1979-01-01), Smith
patent: 4445509 (1984-05-01), Auth

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