Patent ID: 6129699
Filing Date: 2000-10-10
Classification: A61M,F04B

Abstract:
An apparatus for portable peritoneal dialysis procedures, comprising:a transfer set in association with a high-volume peristaltic pump assembly, said pump assembly comprising:a portable power supply;a motor, powered by said power supply, and including:a drive shaft capable of clockwise and counterclockwise rotation;a displacement impeller assembly, mounted to turn within an impeller chamber in response to rotation of said drive shaft, and including:a plurality of roller elements carried through a circular travel path within said impeller chamber,said travel path being situated partially within a zone which presents a receptacle opening into said impeller chamber;said transfer set comprising:a cassette configured to install within said receptacle opening to occupy said zone, constituting an encasement for a segment of medical tubing, including a reaction surface constructed and arranged closely to approach said travel path when said cassette is installed within said receptacle; anda length of medical tubing, including an intermediate segment positioned within said cassette adjacent said reaction surface, said length of medical tubing including:a patient end releasably connectable to an indwelling peritoneal dialysis tube; andan opposite end releasably connectable to an assembly for containment of dialysate solution.