Optical isolation element for implantable sensor
US9743869B2 · kind B2 · utility
1Cited by
3References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 2, 2015 |
| Grant date | Aug 29, 2017 |
| Priority date | — |
| Expiry date | Oct 16, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2562/185
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An optical isolation element is provided on an optical sensor comprising a light source, at least one photodetector, and indicator material that emits light that is detected by the photodetector when optically excited by the light source. The optical isolation element limits the optical paths by which light may be transmitted by the light source, thereby limiting exposure of the excitation light source to regions of interest. The optical isolation element also limits the optical paths by which light may be transmitted to the photodetector, thereby limiting exposure of the photodetector to light from extraneous sources.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.