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Method and Device for determining at least one Operational parameter of a device for extracorporeal Blood treatment in terms of the absolute pressure; Device for extracorporeal Blood Treatment
专利权人:
FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
发明人:
GAGEL ALFRED
申请号:
CO13283477
公开号:
CO6811821A2
申请日:
2013.12.03
申请国别(地区):
CO
年份:
2013
代理人:
摘要:
A method and a device for determining an operating parameter of a device for extracorporeal blood treatment as a function of absolute pressure include setting the absolute ambient pressure in a closed container filled partially with air and having an essentially constant container volume by equalization of pressure with respect to the surroundings, and the pressure is maintained by isolating the container. With delivery means, a predetermined sequence of strokes of a liquid is delivered into or out of the container, and the change in the relative container pressure is measured after each delivery stroke. The total volume delivered and the relative pressure are assigned to a value pair, and the absolute pressure and the initial air volume is determined based on the Boyle-Mariotte law by using the value pairs for at least two delivery strokes. The operating parameter is calculated and adjusted as a function of the absolute pressure.
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中国工程科技知识中心
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