Automated peritoneal dialysis system and process with in-line sterilization of dialysate
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United States of America Patent
Stats
-
Jul 6, 2004
Grant Date -
Nov 7, 2002
app pub date -
Feb 14, 2002
filing date -
Feb 16, 2001
priority date (Note) -
In Force
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Abstract
An automated peritoneal dialysis system for performing continuous peritoneal dialysis is disclosed which includes a fluid circuit for delivering unsterilized dialysate from an uninterrupted supply, and a dialysate sterilization component having at least one in-line sterilization filter assembly disposed in the inflow line segment for realtime sterilization of the unsterilized dialysate during flow prior to patient delivery. A filter test component is operatively associated with the sterilization filter assembly for conducting a realtime integrity test on the filter assembly to test for a filter failure which would allow contaminants into the dialysate prior to patient delivery. If the filter fails the test, the fluid is discarded. In this manner, sterilization of fluid in realtime during a peritoneal dialysis process provides a high rate of dialysate exchange during repeated dialysate fill and drain cycles.
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