Dialysis systems having air separation chambers with internal structures to enhance air removal
US7892331B2 · kind B2 · utility
59Cited by
152References
17Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Oct 1, 2007 |
| Grant date | Feb 22, 2011 |
| Priority date | — |
| Expiry date | May 29, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/128
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A dialysis fluid cassette includes a rigid portion defining at least one valve chamber, the rigid portion further defining an air separation chamber, the air separation chamber when in an operating position including a first sidewall and a second sidewall, a first fluid opening, a second fluid opening, and a separation wall extending from the first sidewall to the second sidewall, the separation wall having a free edge residing within the air separation chamber, the separation wall forcing the dialysis fluid to flow from one of the fluid openings around the free edge of the separation wall to the other of the openings.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.