Surgical drill

Details Surgical drill Surgical drill

1987-12-31

1989-05-16

Pellegrino, Stephen C.

Surgery

Truss

Pad

128310, 408225, 408230, 408207, A61B 1732, A61B 3910

Patent

active

048300004

ABSTRACT:
A drill includes a plurality of lips with enlarged portions at one end defining heads therefore. The heads form frusto-conical surfaces and cutting edges extend from the frusto-conical surfaces to remove chips. The cutting edges are limited in size with respect to the frusto-conical surfaces to control the removal of chips and a pocket behind each head readily receives the shavings to convey the latter away from the one end.

REFERENCES:
patent: 41517 (1864-03-01), Low
patent: 277966 (1883-02-01), Whiteside
patent: 2675003 (1954-01-01), Veley
patent: 3076356 (1960-04-01), Simich
patent: 3779664 (1973-12-01), Caley et al.
patent: 3836278 (1974-04-01), McInnes
patent: 4341206 (1982-01-01), Perrett et al.

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