Body fluid constituent measurement utilizing an interference pattern
US5146091A · kind A · utility
192Cited by
36References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 4, 1990 |
| Grant date | Sep 8, 1992 |
| Priority date | — |
| Expiry date | Dec 4, 2010 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B5/6817
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An apparatus is disclosed for measuring a body fluid constituent. In a preferred embodiment, the apparatus directs light against a tissue containing the constituent and detects an amount of light absorption in a reflected light from said tissue. The amount of absorption is analyzed to determine the amount of constituent in the blood within the tissue.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.