Hand held battery powered bone awl

Details Hand held battery powered bone awl Hand held battery powered bone awl

1987-07-20

1989-09-19

Dolinar, Andrew M.

Surgery

Truss

Pad

128 92V, A61B 1732

Patent

active

048671584

ABSTRACT:
A hand held, self powered bone awl (10, 50) is disclosed which can be held in the hand of a surgeon for drilling holes through bone, such as the sternum bone during open heart surgery. In one embodiment, the awl is activated by a finger operated switch (38). In another embodiment, a pressure activated switch (52) operates the awl when the end of the bone awl bit (20) is pushed against the bone to be drilled. In either embodiment, a predetermined length (24) of the bit (20) is exposed to limit the depth of drilling to prevent damage to tissue behind the bone.

REFERENCES:
patent: 1308798 (1919-07-01), Masland
patent: 1543847 (1925-06-01), Heidbrink
patent: 2525669 (1950-10-01), Hainault
patent: 3109238 (1963-11-01), Marks
patent: 3173417 (1965-03-01), Horner
patent: 3343192 (1967-09-01), Goldstein et al.
patent: 3682177 (1972-08-01), Ames et al.
patent: 3734207 (1973-05-01), Fishbein
patent: 3935909 (1976-02-01), Mabuchi et al.
patent: 4522270 (1985-06-01), Kishi
Skil Corporation advertisement-Cordless Power Screwdriver--Jun. 1986.

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