Medical pressure multiplexing system
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United States of America Patent
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-
Mar 24, 1992
Issued Date -
N/A
app pub date -
Jun 21, 1990
filing date -
Oct 15, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A system and method for multiplexing 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 multiplexing valve provided with a four-port body and a rotor which may be selectively rotated to either of two monitoring positions. The rotor is provided 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.
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