Medical pressure multiplexing system

Details Medical pressure multiplexing system Medical pressure multiplexing system

1987-10-15

1990-08-21

Hindenburg, Max

Surgery

Truss

Pad

128675, 128748, A61B 502

Patent

active

049497235

ABSTRACT:
A system and method for muliplexing two lumens of a catheter to a single pressure transducer and monitor setup such that the pressure found in either of the two lumens may be alternately monitored. Included in the present invention is a pressure mulitplexing valve provided with a four-port body and a rotor which may be selectively rotated to either of two monitoring positions. The rotor is privided with passageways that interconnect the ports. In one embodiment both catheter lumens are always connected to a medical infusion device regardless of which lumen is connected to the transducer. In another embodiment, one lumen is shut off when not connected to the transducer. The present invention provides a compact system removably mounted on a single carrier.

REFERENCES:
patent: 3122136 (1964-02-01), Murphy, Jr.
patent: 3834372 (1974-09-01), Turney
patent: 4072146 (1978-02-01), Howes
patent: 4299251 (1981-11-01), Dugas
patent: 4341224 (1982-07-01), Stevens
patent: 4342218 (1982-08-01), Fox
patent: 4428383 (1984-01-01), DeVroom
patent: 4608996 (1986-09-01), Brown
patent: 4621647 (1986-11-01), Loveland
patent: 4648868 (1987-03-01), Hardwick et al.
patent: 4738265 (1988-04-01), Ritchart et al.

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