Peritoneal dialysis system with variable pressure drive
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United States of America Patent
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-
Aug 17, 1999
Grant Date -
N/A
app pub date -
Aug 23, 1996
filing date -
Sep 8, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A variable pressure drive peritoneal dialysis system has a pneumatic pressure system for purging and controlling a flow of dialysate through a disposable dialysate cassette of a disposable dialysate delivery set. The pneumatic pressure system has a variable-opening flow proportional valve for supplying air at selected profiled pressure or vacuum to a pneumatic interface. The disposable dialysate cassette has a diaphragm pump actuable by the profiled air pressure or vacuum to move dialysate to and from a patient via the disposable dialysate delivery set at a desired profiled dialysate pressure.
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