Integrated pO2,pCO2. pH sensor system for online blood monitoring

被引：0
|
作者：
Gumbrecht, W. [1 ]
Peters, D. [1 ]
Schelter, W. [1 ]
Erhardt, W. [1 ]
Henke, J. [1 ]
Steil, J. [1 ]
Sykora, U. [1 ]
机构：
[1] Siemens AG, Erlangen, Germany
来源：
Sensors and Actuators, B: Chemical | 1994年 / B19卷 / 1 -3 pt 2期
关键词：
Biosensors - CMOS integrated circuits - Field effect transistors - PH - Signal processing;
D O I：
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学科分类号：
摘要：
A self-calibrating sample-taking sensor system for online pO2, pCO2 and pH monitoring is presented. The system consists of a two-lumen catheter with a sensor flow-through cell, a pump unit with instrumentation and a personal computer. The sensor device is based on an integrated silicon chip containing chemically sensitive field-effect transistors (ChemFETs) with CMOS signal-processing and thin film electrode systems for potentiometric and amperometric transducers. In vitro measurements and animal studies with anesthetized pigs show good correlation with standard analyzer equipment.
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页码：704 / 708
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