Dialysis cassette having multiple outlet valve
US7901376B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jul 5, 2007 |
| Grant date | Mar 8, 2011 |
| Priority date | — |
| Expiry date | Mar 20, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/128
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A disposable pumping cassette in one embodiment includes a pump chamber; and a valve chamber in communication with the pump chamber, the valve chamber including an inlet and first and second outlets. A disposable pumping cassette in another embodiment includes a first valve chamber including an inlet and first and second outlets; and a second valve chamber including an inlet and an outlet, the second valve chamber openable to allow dialysis fluid to flow through one of the first and second outlets of the first valve chamber, through the outlet of the second valve chamber. A disposable pumping cassette in a further embodiment includes a valve chamber including a fluid inlet and first and second fluid outlets; and a flexible sheet openable to open and close only one of the first and second outlets.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.