Fluid feeding device for an endoscope

Details Fluid feeding device for an endoscope Fluid feeding device for an endoscope

1979-05-16

1982-01-19

Michell, Robert W.

Surgery

Truss

Perineal

A61B 106, A61B 112

Patent

active

043111343

ABSTRACT:
A fluid feeding device for an endoscope comprises an air pump, a sealed liquid reservoir, a first communication path communicating at one end with the air pump and at the other end with the upper portion of the liquid reservoir, a fluid raising tube extending through the liquid reservoir, a second communication path connected at one end to a fluid passage extending through an endoscope and at the other end to the upper end of the liquid raising tube, a liquid reservoir change-over valve provided between the liquid raising tube and the second communication path for connecting the liquid raising tube to the second communication path when the valve is set in a first position and disconnecting the liquid raising tube from the second communication path when the valve is set in a second position, and a fluid path selecting changeover valve disposed between the second communication path and the fluid path.

REFERENCES:
patent: 2173637 (1939-09-01), Riedener
patent: 3749090 (1973-07-01), Stewart
patent: 3830225 (1974-08-01), Shinnick
patent: 3903877 (1975-09-01), Terada
patent: 4215476 (1980-08-01), Armstrong

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