Cytologic brush for endoscope

Details Cytologic brush for endoscope Cytologic brush for endoscope

1999-02-01

2000-07-25

O'Connor, Cary

Surgery

Diagnostic testing

Sampling nonliquid body material

606205, A61B 1000

Patent

active

060931558

ABSTRACT:
A cytologic brush for an endoscope has a flexible sheath removably inserted into an instrument-inserting channel. A brush member is provided at the distal end of the sheath. A single control wire is inserted in the sheath to change the direction of the brush member from the proximal end of the sheath. The proximal end of the brush member is connected to a forward link member of a link mechanism provided at the distal end of the sheath. The distal end of the control wire is connected to the rear end of the link mechanism. By moving the control wire back and forth at an operating part connected to the proximal end of the sheath, the link mechanism is operated to change the direction of the brush member with respect to the distal end of the sheath.

REFERENCES:
patent: 2739585 (1956-03-01), Ayre
patent: 4271845 (1981-06-01), Chikashige et al.
patent: 4982727 (1991-01-01), Sato

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