Endoscope for removal of tissue

Details Endoscope for removal of tissue Endoscope for removal of tissue

1989-08-30

1990-08-21

Pellegrino, Steven C.

Surgery

Instruments

Cutting, puncturing or piercing

128 6, A61F 1732

Patent

active

049502786

ABSTRACT:
An endoscope which contains, in a housing, in parallel relationship, a light guide, at least one flushing duct, and a continuously driven shaft which carries at its end, protruding in operation from the tip of the endoscope, a cutting instrument having a plurality of cutting blades. This design makes it possible to remove pieces of tissue, for example, for laboratory tests in a more intact way than was possible with the endoscope according to the parent U.S. Pat. No. 4,756,309. The endoscope disclosed herein lends itself to a wide variety of medical fields.

REFERENCES:
patent: 2708437 (1955-05-01), Hutchins
patent: 3835858 (1974-09-01), Hogen
patent: 3847154 (1974-11-01), Nordin
patent: 3937222 (1976-02-01), Banko
patent: 4137920 (1979-02-01), Bonnet
patent: 4455509 (1989-05-01), Auth
patent: 4461305 (1984-07-01), Cibley
patent: 4499899 (1985-02-01), Lyons, III
patent: 4539976 (1985-09-01), Sharpe
patent: 4756309 (1988-06-01), Sachse et al.

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