Dialysis system with efficient battery back-up
US8361023B2 · kind B2 · utility
25Cited by
424References
20Claims
0Family size
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Key dates
| Filing date | Feb 15, 2007 |
| Grant date | Jan 29, 2013 |
| Priority date | — |
| Expiry date | Dec 1, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J2310/23
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A medical fluid machine includes: an enclosure; at least one medical fluid delivery component located inside the enclosure, the component capable of being powered by an external power source or a back-up battery; a transistor in electrical communication with the battery; and a regulator configured to: (i) receive as feedback a supply voltage; and (ii) vary a gate voltage at the transistor to maintain the supply voltage at least substantially at a desired level.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.