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Method and device for monitoring a vascular access and extracorporeal blood treatment device comprising a device for monitoring vascular access
专利权人:
Pascal Kopperschmidt
发明人:
Pascal Kopperschmidt
申请号:
US12933466
公开号:
US09452252B2
申请日:
2009.03.24
申请国别(地区):
US
年份:
2016
代理人:
摘要:
The invention relates to a method and a device for monitoring a vascular access during an extracorporeal blood treatment. The method and the device according to the invention are based on the monitoring of the difference between the venous pressure measured by a venous pressure sensor and the arterial pressure measured by an arterial pressure sensor (in the extracorporeal blood circuit. According to the method and the device according to the invention, a test function describing disturbances in the extracorporeal blood circuit is determined. Said test function is used to determine a noise-free differential pressure from the measured venous and arterial pressure, said differential pressure being evaluated in an arithmetic and evaluation unit to identify a defective vascular access.
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