Hot water disinfection of dialysis machines, including the extracorporeal circuit thereof

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5591344
SERIAL NO

08388275

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A dialysis machine is disclosed that incorporates a water treatment module, a dialysate preparation module having a dialysate circuit, and an extracorporeal circuit including a dialyzer and arterial and venous blood lines that connect to the patient. The machine accomplishes on-line disinfection of all the fluid circuits of the machine, including the water treatment module, the dialysate preparation module and extracorporeal circuit, the arterial and venous lines, and the dialyzer, by circulating water heated to a high level disinfection temperature (e.g., 80 degrees C.) through the fluid passages of the machine for a sufficient time (such as an hour) to achieve high level disinfection. After the dialysis session is ended, the patient connects the arterial and venous lines to ports in a disinfection manifold that places the arterial and venous lines into fluid communication with the heated water. Thereafter, the machine is ready to disinfect the fluid circuits including the extracorporeal circuit. In a preferred embodiment, the ports of the disinfection manifold ports include recessed features that permit the hot water to circulate on the interior and exterior surfaces of the arterial and venous line connectors, thereby insuring that the surfaces of connectors themselves are also disinfected.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
BAXTER HEALTHCARE SADEERFIELD, IL631
BAXTER INTERNATIONAL INC.DEERFIELD, IL960

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Adolf, Wayne F Mt. Prospect, IL 13 656
Feldsein, Thomas M Palatine, IL 10 863
Kenley, Rodney S Libertyville, IL 30 1483
Pawlak, Kenneth E Vernon Hills, IL 19 838
Peter, Jr Frederick H Barrington, IL 12 989
Roettger, Linda Marblehead, MA 1 207
Treu, Dennis M Gurnee, IL 87 4623

Cited Art Landscape

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Patent Citation Ranking

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