Method and apparatus for non-invasive blood analyte measurement with fluid compartment equilibration
US6718189B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | May 24, 2001 |
| Grant date | Apr 6, 2004 |
| Priority date | — |
| Expiry date | Dec 10, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2562/146
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A method and apparatus for non-invasively measuring the concentration of an analyte, particularly blood analyte in blood. The method utilizes spectrographic techniques in conjunction with means for equilibrating the concentration of the analyte between the vascular system fluid compartment of the test area and the other tissue fluid compartment. An improved optical interface between a sensor probe and a skin surface or tissue surface of the body containing the blood to be analyzed. Multiple readings during the equilibration period are taken and utilized to show the direction and rate of charge of concentration of the analyte in the blood which is useful in optimizing therapeutic response to the collected data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.