Gel pad optical sensor
US5830136A · kind A · utility
243Cited by
21References
58Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 31, 1996 |
| Grant date | Nov 3, 1998 |
| Priority date | — |
| Expiry date | Oct 31, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B5/411
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An improved sensor using a gel. In one aspect, the gel is an oil plasticized thermoplastic elastomer gel. In one embodiment, the gel is mineral oil-based. The gel may be embedded on a support layer. Means for reducing shunted light from the gel are provided, such as substantially opaque material in the gel or breaks in the gel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.