Capnometer
US5957127A · kind A · utility
25Cited by
4References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 23, 1996 |
| Grant date | Sep 28, 1999 |
| Priority date | — |
| Expiry date | Feb 23, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B5/0836
- WIPO fieldMedical technology
- WIPO sectorInstruments
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.