Ventilator/Anaesthetic system with juxtaposed CO.sub.2 meter and

Details Ventilator/Anaesthetic system with juxtaposed CO.sub.2 meter and Ventilator/Anaesthetic system with juxtaposed CO.sub.2 meter and

1996-02-26

1998-02-24

Asher, Kimberly L.

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

12820312, 12820421, A61M 1610, A61M 1500, A62B 700, F16K 3102

Patent

active

057202770

ABSTRACT:
A number of different parameters related to carbon dioxide output of a patient are routinely determined in ventilator/anaesthetic systems. For this purpose, a ventilator/anaesthetic system for determining carbon dioxide parameters includes a ventilator unit in which a first flow meter is arranged to measure an expired flow of gas, and a carbon dioxide meter is arranged to measure the concentration of carbon dioxide in expired gas. Arranging the carbon dioxide meter in the ventilator/anaesthetic unit minimizes the equipment which must be located in the immediate vicinity of patient, and a faster, more sensitive carbon dioxide meter thus can be used.

REFERENCES:
patent: 3927670 (1975-12-01), Turney et al.
patent: 4112938 (1978-09-01), Jeretin
patent: 4188946 (1980-02-01), Watson et al.
patent: 4509359 (1985-04-01), Gedeon et al.
patent: 4537190 (1985-08-01), Caillot et al.
patent: 4619269 (1986-10-01), Cutler et al.
patent: 4648396 (1987-03-01), Raemer
patent: 5072737 (1991-12-01), Goulding
patent: 5094235 (1992-03-01), Westenskow et al.
"Operating Manual For Siemens CO.sub.2 Analyzer 930," Jul. 1981.

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