Method and apparatus for the measurement of exhaled nitric oxide in humans
US5795787A · kind A · utility
30Cited by
13References
11Claims
0Family size
Inventors
Key dates
| Filing date | Apr 9, 1996 |
| Grant date | Aug 18, 1998 |
| Priority date | — |
| Expiry date | Apr 9, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T436/177692
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An apparatus for measuring nitric oxide exhaled from the lungs of a person comprises PA1 (a) a conduit for receiving the air exhaled by the person; PA1 (b) a resistor for increasing the pressure in the mouth of the person during exhalation to close the nasopharynx and to maintain a constant flow rate of said air exhaled by the person; and, PA1 (c) measuring means for measuring the nitric oxide concentration in said exhaled air.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.