Dialysis transfer set having filter integrity testing
US12161786B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | May 16, 2019 |
| Grant date | Dec 10, 2024 |
| Priority date | — |
| Expiry date | Jan 16, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/705
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A dialysis system includes a source of water; a concentrate for mixing with the water a disposable set including a pumping portion, a water line in fluid including a filter for filtering the water, a concentrate line in fluid communication with the source of water and the pumping portion; and a medical fluid delivery machine including a pump actuator operable with the pumping portion, a pressure sensor, and a control unit programmed to cause (i) the pump actuator to pump water to wet a membrane of the filter, thereafter remove at least some of the water from the filter, and pressurize a portion of the water line leading from the pumping portion to the filter, (ii) the pressure sensor to sense pressure in the pressurized portion of the water line, and (iii) an analysis of the sensed pressure to be performed to evaluate the integrity of the filter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.