Apparatus for extra-corporeal blood treatment and method of presetting an initial mode of treatment for an extra-corporeal blood treatment apparatus

US10532146B2 · kind B2 · utility

Assignee

• Fresenius Medical Care Deutschland GmbH · DE

Inventors

• Tomas Jirka · Frýdek-Místek, CZ
• Joerg Jonas · Usingen, DE
• Volker Nier · Reichelsheim, DE
• Wolfgang Wehmeyer · Tübingen, DE

Key dates

• Filing date: Jun 6, 2013
• Grant date: Jan 14, 2020
• Expiry date: Jul 31, 2034

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61M2205/50
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

An apparatus for extra-corporeal blood treatment and a method of presetting an initial mode of treatment in the opening phase of an extra-corporeal blood treatment are controlled based on the opening phase of a haemodiafiltration, in which particularly fast removal of electrolytes such as potassium or of urea occurs. The apparatus has a control and computing unit for presetting an initial mode of treatment, in which over a preset interval of time, substituate is fed to the extra-corporeal blood circuit, dialysis fluid is not fed through the dialyser and instead only ultrafiltrate is withdrawn from the dialyser and, on expiry of the preset interval of time, dialysis fluid is fed through the dialyser. Alternatively, dialysis fluid is provided during the preset interval of time through the dialyser at a dialysis fluid flow rate that is smaller than the dialysis fluid flow rate after the preset interval of time has elapsed.