Method and apparatus for controlling fluid flow

Details Method and apparatus for controlling fluid flow Method and apparatus for controlling fluid flow

1990-08-01

1992-11-10

Fox, John C.

Valves and valve actuation

Tube compressors

Fluid pressure actuated

604167, F16K 707

Patent

active

051617730

ABSTRACT:
A combination valve and clamping device is provided in which a flexible elastic inner lining is secured in a tubular outer shell having a port for introducing a fluid therebetween. A source of pressure such as a hypodermic syringe is used to cause the inner elastic sleeve to collapse and deform internally upon itself to surround and form a seal about a catheter located therein, positioning it within the shell. Alternatively, if nothing is present in the shell, the sleeve is collapsed on itself to prevent leakage of a fluid through the valve mechanism.

REFERENCES:
patent: 3039733 (1962-06-01), Mattioli
patent: 3717174 (1973-02-01), Dewall
patent: 4256130 (1981-03-01), Smith et al.
patent: 4700694 (1987-10-01), Shishido
patent: 4813938 (1989-03-01), Raulerson
patent: 4932959 (1990-06-01), Horzewski et al.

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