The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 20, 2000
Filed:
Aug. 05, 1998
Rainer Goldau, Werneck, DE;
Abstract
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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