Optical sensor for bandage type monitoring device
US10292630B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 1, 2015 |
| Grant date | May 21, 2019 |
| Priority date | — |
| Expiry date | Jun 15, 2036 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2562/12
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A flexible, body-mountable analyte sensing device includes a flexible substrate configured for mounting to skin of a living body. The sensing device additionally includes optical fiber attached to the flexible substrate and configured to penetrate the skin such that an analyte-sensitive substance disposed on the end of the optical fiber can detect an analyte in interstitial fluid. A color, fluorescence intensity, or other optical property of the analyte-sensitive substance is related to the concentration or other property of the analyte. Light reflected, scattered, fluorescently emitted, or otherwise emitted from the analyte-sensitive substance is transmitted via the optical fiber and detected by a light sensor on the flexible substrate. Such emitted light can be emitted in response to illumination of the analyte-sensitive substance via the optical fiber. The sensing device is configured to wirelessly indicate detected concentrations or other information about the analyte in the interstitial fluid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.