Endoscopic device with three-way valve

Details Endoscopic device with three-way valve Endoscopic device with three-way valve

1984-12-26

1986-02-04

Grieb, William H.

Surgery

Truss

Perineal

A61B 106

Patent

active

045678804

ABSTRACT:
An endoscopic device comprises a tubular endoscopic sheath which has distal and proximal ends and is receivable in a patient, a telescope portion in the sheath, and an irrigation and drainage valve mounted on the device adjacent the proximal end of the sheath. The telescope portion is operable for viewing an area of a patient adjacent the distal end of the sheath and the valve is operable for effecting irrigation and drainage of the same area to provide improved visibility through the telescope portion. The valve is operable by moving a forefinger in a single motion across a knob portion of a valve element of the valve to move the valve element between a first position for effecting irrigation, a second closed position, and a third position for effecting drainage. The simple operation of the valve allows an operator to effect irrigation and drainage while viewing through the telescope portion and permits irrigation and drainage to be accurately controlled so that the risks to the patient are minimized.

REFERENCES:
patent: 3791379 (1974-02-01), Storz
patent: 4263897 (1981-04-01), Terayama

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