Power tool for excising a bone or cartilage biopsy

Details Power tool for excising a bone or cartilage biopsy Power tool for excising a bone or cartilage biopsy

1988-11-18

1990-06-26

Green, Randall L.

Surgery

Truss

Pad

128754, 128755, 606180, A61B 1000

Patent

active

049363131

ABSTRACT:
The tubular milling cutter adapted for excising a stud from a bone or cartilage as biopsy is screw-connected with the drive shaft of a drive mechanism. A grip chuck serving as extracting device is provided inside the tubular milling cutter. This grip chuck is adapted to be displaced forward and backward by means of a nut screw-connected with the holder for the milling cutter, whereby the opening of the grip chuck decreases during forward displacement so as to fixedly hold the stud. An ejector connected by means of a transverse pin with an ejector sleeve serving for actuation, is displaceably supported inside said grip chuck.

REFERENCES:
patent: 2484150 (1949-10-01), Brown
patent: 4785826 (1988-11-01), Ward

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