Capnometer

Details Capnometer Capnometer

1996-02-23

1999-09-28

Weiss, John G.

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

12820523, 12820714, 600529, 600532, 422 84, A61B 508

Patent

active

059571276

ABSTRACT:
A capnometer includes an airway adaptor for letting a respiratory gas pass therethrough, a light source for holding the airway adaptor and irradiating with infrared radiations the respiratory gas passing through the airway adaptor, a detecting portion having an infrared radiation detector for detecting the infrared radiations that have passed through the respiratory gas, and a monitor body for measuring the concentration of respiratory carbon dioxide gas by receiving a signal from the detecting portion, wherein an angle is defined between the channel of the airway adaptor and a display surface of the monitor body.

REFERENCES:
patent: 4067320 (1978-01-01), Olsson et al.
patent: 4653498 (1987-03-01), New, Jr. et al.
patent: 5095913 (1992-03-01), Yelderman et al.
patent: 5159934 (1992-11-01), Hoberman

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