Gas sensor
US8449473B2 · kind B2 · utility
1Cited by
20References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 10, 2008 |
| Grant date | May 28, 2013 |
| Priority date | — |
| Expiry date | Nov 9, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B5/0836
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A method of determining the respiratory function of a subject is disclosed, the method comprising measuring the concentration of water vapor in the gas stream exhaled by the subject, and from the measured water vapor concentration determining the respiratory function of the subject. Mathematical techniques for analyzing the data obtained from the measurement of concentrations of gaseous components in an exhaled gas stream are also disclosed and their use in determining the lung function of a subject.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.