Rotary valve especially useful in a medical system including a f

Details Rotary valve especially useful in a medical system including a f Rotary valve especially useful in a medical system including a f

1981-05-26

1983-08-09

Rosenthal, Arnold

Fluid handling

Systems

Multi-way valve unit

13762547, 604 32, F16K 11085, A61M 500

Patent

active

043973353

ABSTRACT:
A rotary valve, especially designed for use in medical systems, has an arrangement of passageways in its rotary valve plug and ports in its housing that permit manual manipulation of the valve to switch the medical system from monitoring pulmonary artery pressure to measuring central venous pressure. The system can also be used for cardiac output measurement or for the withdrawal of a mixed venous blood sample. Patient trauma and contamination are avoided.

REFERENCES:
patent: 3192954 (1965-07-01), Gerhold et al.
patent: 3626938 (1971-12-01), Versaci
patent: 3774604 (1973-11-01), Danielsson
patent: 3834372 (1974-09-01), Turney
patent: 4072146 (1978-02-01), Howes
patent: 4298026 (1981-11-01), Ambers

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