Intrapulmonary pressure monitoring system

Details Intrapulmonary pressure monitoring system Intrapulmonary pressure monitoring system

1987-07-22

1989-03-21

Howell, Kyle L.

Surgery

Truss

Pad

12820715, A61B 500

Patent

active

048134317

ABSTRACT:
A pressure sensing device hydraulically coupled with a transducer comprising a closed hydraulic system incorporated within an endotracheal tube to monitor intrapulmonary pressure. The tube employs an hydraulic system for conveying pressure data from a distal sensor, on the tube, to a transducer. The sensor and transducer are connected by a liquid-filled lumen. Use of an hydraulic conduit avoids the errors of gas-filled systems because liquids, such as the water used in this system, are incompressible.

REFERENCES:
patent: 3893451 (1975-07-01), Durand et al.
patent: 4214593 (1980-07-01), Imbruce et al.
patent: 4252131 (1981-02-01), Hon et al.
patent: 4387711 (1983-06-01), Merry
patent: 4484585 (1984-11-01), Baier
patent: 4502490 (1985-03-01), Evans et al.
patent: 4621646 (1986-11-01), Bryant
patent: 4672974 (1987-06-01), Lee

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