Device for obtaining tissue samples

Details Device for obtaining tissue samples Device for obtaining tissue samples

1979-06-04

1981-08-11

Howell, Kyle L.

Surgery

Truss

Pad

128754, A61B 1000

Patent

active

042828848

ABSTRACT:
A device for obtaining tissue samples of the kind having tong-like handle members and in which a punch assembly provided with a distal recess and a cutting edge is axially extensible from a shaft and insertable in a tube provided with a counter cutting edge. According to the invention the punch assembly comprises a continuous distally closed tube which is axially movable in relation to a tubular receiver member for collecting punched-out tissue that is carried by said tube and loosely connected proximally to said shaft and closing off said shaft distally over at least a larger distal length, said punch assembly also being axially movable with respect to said shaft.

REFERENCES:
patent: 2790437 (1957-04-01), Moore
patent: 3995619 (1976-12-01), Glatzer
patent: 4011869 (1977-03-01), Seiler, Jr.
patent: 4167944 (1979-09-01), Banko

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