Hemodialysis system using sorbent and reservoir

US9155825B2 · kind B2 · utility

Assignees

• Baxter International Inc. · US
• Baxter Healthcare SA · CH

Inventors

• Thomas D. Kelly · Portland, US
• Robert W. Childers · Holiday, US
• Don Busby · Tampa, US
• Rodolfo Roger · Clearwater, US
• Waleed Mutasem El Sayyid · Land O' Lakes, US
• Shahid Din · Palm Harbor, US

Key dates

• Filing date: Aug 19, 2011
• Grant date: Oct 13, 2015
• Expiry date: Apr 18, 2034

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61M2205/75
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A hemodialysis system including (i) a dialyzer; (ii) a blood circuit including a blood pump in fluid communication with the dialyzer; (iii) a dialysate circuit including a dialysate circulation pump in fluid communication with the dialyzer, at least a portion of the dialysate circuit incorporated into a disposable dialysate cassette; (iv) a sorbent cartridge for cleaning used dialysate flowing in the dialysate circuit; (v) a reservoir holding an initial supply of dialysate; (vi) a reservoir pump in fluid communication with the dialysate circuit and the reservoir; (vii) a supply of infusate; and (viii) an infusate pump in fluid communication with the dialysate circuit and the supply of infusate.