Cranial perforator

Details Cranial perforator Cranial perforator

1986-04-01

1987-10-13

Bilinsky, Z. R.

Cutting by use of rotating axially moving tool

Tool or tool-support with torque-applying clutch

1283051, 408224, A61B 1732

Patent

active

046995501

ABSTRACT:
A new drill-type cranial perforator is disclosed of the type which comprises a front drill head assembly made up of a leading inner drill and a trailing outer drill, and a rear support and drive assembly adapted to enable both drills so long as the leading inner drill is encountering a resistive surface and to disable both drills when the leading inner drill stops encountering the resistive surface.

REFERENCES:
patent: 2404048 (1946-07-01), Gepfert
patent: 2842131 (1958-07-01), Smith
patent: 3975110 (1976-08-01), Kraiss
patent: 4319577 (1982-03-01), Bofinger et al.

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