Endotracheal tube connector with integral pneumotach transducer

Details Endotracheal tube connector with integral pneumotach transducer Endotracheal tube connector with integral pneumotach transducer

1991-09-11

1994-02-22

Fisher, J. Reed

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

12820425, 128725, 73716, 7386152, 7386163, A61M 1600, A62B 700, F16K 3102, A61B 508

Patent

active

052878511

ABSTRACT:
A pneumotach gas flow transducer having strain gauge pressure transducers disposed therein for disposition in a selected element or component of a ventilatory circuit. A differential pressure is communicated from the upstream and downstream sides of a flow restrictor in the element's passageway to the transducers via a barrier medium which fills holes in the element and contacts the transducer elements.

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patent: 4966141 (1990-10-01), Bacaner et al.
patent: 5052400 (1991-10-01), Dietz
patent: 5134886 (1992-08-01), Ball

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