Suction device for endoscope

Details Suction device for endoscope Suction device for endoscope

1980-10-06

1983-11-01

Kamm, William E.

Surgery

Truss

Perineal

A61B 100

Patent

active

044125313

ABSTRACT:
A suction device for an endoscope in which there is no need for the operator to close a suction pipe with his finger and in which cleaning and sterilizing are readily implemented. A suction path extends from a forceps insertion hole in a forceps receiver. A plug assembly is detachably inserted in the suction path in close contact therewith. The plug assembly includes a piston at least a portion of which is made of an elastic material and a cylinder member into which the piston is loosely fitted. The cylinder member has valve seats formed at first and second ends thereof while the piston is furnished with corresponding first and second abutting portions. An elastic extended member biases the piston outwardly. A suction hole is formed in the cylinder member through which suction pressure is communicated.

REFERENCES:
patent: 1527872 (1925-02-01), Herrick
patent: 2638108 (1953-05-01), Williams et al.
patent: 3608584 (1971-09-01), Vaughn
patent: 3678959 (1972-07-01), Liposky
patent: 3726272 (1973-04-01), Fukami et al.
patent: 3958566 (1976-05-01), Farihata

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