MEASUREMENT OF FLUID VOLUME OF A BLOOD OXYGENATOR IN AN EXTRACORPOREAL CIRCUIT
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United States of America Patent
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Issued Date -
Nov 5, 2015
app pub date -
May 2, 2014
filing date -
May 2, 2014
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Abstract
The present disclosure provides a method and apparatus for measuring or monitoring oxygenator blood volume of a treatment device such as an oxygenator by analyzing an indicator passing through the oxygenator blood volume. Measuring the oxygenator blood volume can be done externally of the vein or artery, or in tubing leading to a blood treatment system which carries the blood exterior of the body of the patient or within the body of the patient. The present system can also monitor tubing volume of flowing blood upstream or downstream of the blood treatment device. The present system thus provides for measuring the volume of an extracorporeal circuit and creates an opportunity to control circuit performance and give an early warning of clotting to improve the quality of a variety of extracorporeal procedures with the use of relatively simple technology.
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