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公开(公告)号：EP0092438A3
公开(公告)日：1986-01-22
申请号：EP83302246
申请日：1983-04-20
Applicant: PURDUE RESEARCH FOUNDATION
Inventor： Geddes, Leslie A. , Grubbs, David S.
CPC classification number: A61B5/14542 , A61B5/0275 , A61B5/1473 , A61B5/6852
Abstract: Cardiac output is measured utilizing an indicator, such as saline, which alters blood resistivity, and an electrically calibrated conductivity cell positioned at the tip of a catheter. The catheter with the tetrapolar conductivity cell at the top is inserted into a blood vessel for current injection to develop a potential which is proportional to blood resistivity for inscribing the dilution curve occurring due to injection of the indicator, which curve is utilized to determine blood flow or cardiac output.
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公开(公告)号：EP0092438A2
公开(公告)日：1983-10-26
申请号：EP83302246.0
申请日：1983-04-20
Applicant: PURDUE RESEARCH FOUNDATION
Inventor： Geddes, Leslie A. , Grubbs, David S.
CPC classification number: A61B5/14542 , A61B5/0275 , A61B5/1473 , A61B5/6852
Abstract: Cardiac output is measured utilizing an indicator, such as saline, which alters blood resistivity, and an electrically calibrated conductivity cell positioned at the tip of a catheter. The catheter with the tetrapolar conductivity cell at the top is inserted into a blood vessel for current injection to develop a potential which is proportional to blood resistivity for inscribing the dilution curve occurring due to injection of the indicator, which curve is utilized to determine blood flow or cardiac output.
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