Blood treatment air purging methods
US9795731B2 · kind B2 · utility
3Cited by
185References
25Claims
0Family size
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Key dates
| Filing date | Jul 30, 2014 |
| Grant date | Oct 24, 2017 |
| Priority date | — |
| Expiry date | Nov 10, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/0402
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An air purging method includes: (a) detecting a low fluid level in a blood circuit indicating a high amount of air in the blood circuit; (b) stopping a blood pump; (c) closing a venous patient line; (d) opening a blood circuit air vent valve and a drain valve; and (e) running the blood pump to meter air through the air vent valve and the drain valve to a drain.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.