Blood flowmeter and sensor part of the blood flowmeter
US7128716B2 · kind B2 · utility
11Cited by
11References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 1, 2002 |
| Grant date | Oct 31, 2006 |
| Priority date | — |
| Expiry date | Nov 24, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01F1/661
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A sensor part of a blood flowmeter for measuring a value on blood flow in tissue of a living body is provided, in which the sensor part includes: a light emitter for emitting light to tissue of a living body; and a light detector for receiving scattered light from the tissue; a first shading block for preventing light emitted from the light emitter from directly entering the light detector; a second shading block having a predetermined gap in front of the light detector, wherein the light emitter, the light detector and the shading blocks are integrated on a semiconductor substrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.