Title:
Fluid exchange valve
United States Patent 3157201
US Patent References:
/0508365.html
- - 0508365

/1170958.html
- - 1170958

/1224959.html
- - 1224959

Valve
- - 1561867

Valve assembly
- - 1832426


Inventors:
David, Littmann
Publication Date:
11/17/1964
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Assignee:
CARDIOSONICS MEDICAL INSTR COM
Primary Class:
137/625.470
Other Classes:
604/32, 251/181, 600/488
International Classes:
A61M39/22; A61M39/00
US Patent References:
2505145Valve
2842124Blood transfusion system
2854027Disposable-type three-way valve construction
2881802Multi-way valve unit having rotary selector valve
3048192Surgical valve
Foreign References:
DE632579C