Sterile fluid filtration cartridge and method for using same
US6635179B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 30, 1999 |
| Grant date | Oct 21, 2003 |
| Priority date | — |
| Expiry date | Dec 30, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2313/041
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A filtration assembly is presented which removes bacteria and endotoxin from a solution so that a sterile fluid is produced. The sterile fluid is suitable for direct on-line infusion to a patient from a device, such as a dialysis machine. The filtration assembly is constructed so that two separate filtration compartments exist, resulting in redundant filtration of the fluid prior to infusion. Each compartment holds a filter which preferably consists of a longitudinal bundle of semipermeable hollow fibers. The filter is sized so that it creates a separate area within the compartment for filtrate and infusate flow. This redundant filtration produces a lower risk of creating a pyrogenic or septic condition in the patient due to filter failure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.