Method for controlling a device for extracorporeal blood gas exchange, device for extracorporeal blood gas exchange, as well as control device for controlling a device for extracorporeal blood gas exchange

US11491271B2 · kind B2 · utility

Assignee

• DRÄGERWERK AG & CO. KGAA · DE

Inventors

• Henning Gerder · Lübeck, DE
• Karsten Hiltawsky · Stockelsdorf, DE

Key dates

• Filing date: Dec 18, 2017
• Grant date: Nov 8, 2022
• Expiry date: Dec 9, 2040

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61M2205/3331
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A method controls a device for extracorporeal blood gas exchange. The device has a membrane as a gas-liquid barrier between a bloodstream and a gas stream. The membrane further makes possible a passing over of the carbon dioxide content from the bloodstream into the gas stream. The device has at least one actuator. A change in a value of an operating parameter of the actuator brings about a change in a value of the carbon dioxide content that passes over from the bloodstream into the gas stream. The method further includes providing breathing gas information that indicates a carbon dioxide concentration in breathing gas and providing a control signal, which indicates a request for setting a value of the operating parameter and changing of the value of the operating parameter as a function of the carbon dioxide concentration in the breathing gas.