Dialysis system having optical flowrate detection
US7998115B2 · kind B2 · utility
31Cited by
427References
20Claims
0Family size
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Key dates
| Filing date | Feb 15, 2007 |
| Grant date | Aug 16, 2011 |
| Priority date | — |
| Expiry date | Feb 7, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/0324
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A medical fluid machine includes an enclosure; a disposable unit accepted by the enclosure, the disposable unit including a conduit through which a medical fluid can flow, the conduit including a viewing portion; a light source configured and arranged to emit light onto the viewing portion of the conduit; a camera focused on the viewing portion of the conduit; and a processor configured to determine a speed of a particle entrained in the medical fluid based on at least two images of the particle in the viewing area taken by the camera.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.