Weight/sensor-controlled sorbent system for hemodialysis

US8597227B2 · kind B2 · utility

Assignees

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

Inventors

• Robert W. Childers · Holiday, US
• David S. Brown · Auburn, US
• Ramesh Wariar · Tampa, US
• Sujatha Karoor · Lake Forest, US
• Shahid Din · Palm Harbor, US
• Leo Martis · Long Grove, US
• Cody Buchmann · Columbus, US
• Paul Soltys · Holmdel, US

Key dates

• Filing date: Aug 19, 2011
• Grant date: Dec 3, 2013
• Expiry date: Aug 19, 2031

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61M2205/3327
• 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, the dialysate circuit further including a sorbent cartridge for cleaning used dialysate; (iv) a container holding an initial supply of dialysate; (v) a container pump in fluid communication with the dialysate circuit and the container; (vi) a supply of concentrate; and (vii) an electronic weight balance positioned and arranged to weigh the supply of concentrate.