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Method for monitoring a blood vessel access during a dialysis treatment and apparatus for dialysis treatment with a device for monitoring a blood vessel access
Method for monitoring a blood vessel access during a dialysis treatment and apparatus for dialysis treatment with a device for monitoring a blood vessel access
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机译:用于在透析治疗期间监视血管通路的方法以及具有用于监视血管通路的装置的透析治疗设备
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摘要
In a method and device for monitoring a vascular access during a dialysis treatment, pressure pulses generated by a balancing device connected in a dialysis fluid inlet line and drain line are monitored in the extracorporeal blood circulation path. The pressure pulses are detected with a pressure sensor in the venous blood line and are analyzed in an analyzer unit. When there is a characteristic change in pressure pulses in the extracorporeal blood circulation path, a faulty venous access is deduced, i.e., the needle has slipped out. Upon a faulty venous access condition, an alarm generator generates an acoustic and/or optical alarm, and the blood flow in the extracorporeal circulation is interrupted.
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