Medical fluid sensing and concentration determination in a fluid cartridge with multiple passageways, using a radio frequency device situated within a magnetic field
US9566377B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 15, 2013 |
| Grant date | Feb 14, 2017 |
| Priority date | — |
| Expiry date | Jun 13, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R33/383
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
This disclosure relates to medical fluid sensors and related systems and methods. In certain aspects, a method includes reading an indicia of a medical fluid cartridge to determine a volume of a fluid passageway of the medical fluid cartridge indicated by the indicia, receiving radio frequency energy generated by excited atoms in medical fluid in the fluid passageway of the medical fluid cartridge, and determining a concentration of a substance in the medical fluid based on the determined volume of the fluid passageway of the medical fluid cartridge indicated by the indicia and the received radio frequency energy generated by the excited atoms in the medical fluid in the fluid passageway of the medical fluid cartridge.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.