Peritoneal dialysis system with variable pressure drive

Details Peritoneal dialysis system with variable pressure drive Peritoneal dialysis system with variable pressure drive

1996-08-23

1999-08-17

Mendez, Manuel

Surgery

Means for introducing or removing material from body for...

Material introduced into and removed from body through...

A61M 100

Patent

active

059386347

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.

REFERENCES:
patent: 3709222 (1973-01-01), DeVries
patent: 4158530 (1979-06-01), Bernstein
patent: 4479760 (1984-10-01), Bilstad et al.
patent: 4613327 (1986-09-01), Tegrarian et al.
patent: 4634430 (1987-01-01), Polaschegg
patent: 4976162 (1990-12-01), Kamen
patent: 5088515 (1992-02-01), Kamen
patent: 5350357 (1994-09-01), Kamen et al.

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