Endoscope forceps stopcock

Details Endoscope forceps stopcock Endoscope forceps stopcock

1987-01-07

1987-12-29

Grieb, William H.

Surgery

Truss

Perineal

128912, 604256, A61B 100

Patent

active

047153601

ABSTRACT:
An endoscope forceps stopcock has a cylindrical body. The body has a lower engagement section detachably fitted to an insertion mouthpiece of an endoscope, and an upper engagement section to which a cap is detachably fitted. The body and cap are connected to each other by a coupling member. A valve section is formed in the body between the engagement sections to close an insertion channel and provided with a pushing section and an insertion section allowing for the insertion of medical operation instruments. The pushing section presses the cap in accordance with the extent of the deformation of the valve section when the pressure in the insertion channel is increased, thereby holding the cap in cooperation with the upper engagement section.

REFERENCES:
patent: 4000739 (1977-01-01), Stevens
patent: 4177814 (1979-12-01), Knepshied et al.
patent: 4240411 (1980-12-01), Hosono
patent: 4416273 (1983-11-01), Grimes
patent: 4436519 (1984-03-01), O'Neill
patent: 4653477 (1987-03-01), Akui et al.

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