Multiple additive valve assembly

Details Multiple additive valve assembly Multiple additive valve assembly

1979-10-18

1981-01-27

Cline, William R.

Fluid handling

Line condition change responsive valves

Direct response valves

417566, 128274, 251367, F16K 1514

Patent

active

042469325

ABSTRACT:
A multiple valve assembly for use in the medical field includes a pair of flexible valve discs which are essentially co-planar with each other. A pair of tube connectors are oriented to be at an essentially right angle with respect to each other, and fluid communication between the interior of a hollow body and the tube connectors is controlled by the valve discs. An aspiration procedure has one valve disc in an open position and the other valve disc in an occluding position, and an injection procedure reverses the positions of the valve discs.

REFERENCES:
patent: 1638114 (1927-08-01), Dunlap et al.
patent: 2138605 (1938-11-01), Landis
patent: 3119411 (1964-01-01), Bock et al.
patent: 3485419 (1969-12-01), Taylor
patent: 3559644 (1971-02-01), Stoft et al.
patent: 3572375 (1971-03-01), Rosenberg
patent: 3902516 (1975-09-01), Rudolph
patent: 3981636 (1976-09-01), Aoki et al.
patent: 4096997 (1978-06-01), Larson
patent: 4180377 (1979-12-01), Itakura

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