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Device for in-vivo measurement of oxygen partial pressure of intravascular fluid, has polarographic measurement unit for oxygen partial pressure measurement, which is arranged along catheter
Device for in-vivo measurement of oxygen partial pressure of intravascular fluid, has polarographic measurement unit for oxygen partial pressure measurement, which is arranged along catheter
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机译:用于体内测量血管内液的氧气分压的装置,具有极谱测量单元,用于沿轴向布置氧气分压的测量
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摘要
The device has a catheter (1) with a distal catheter end and a proximal catheter end (5) and a flexible, fluid-tight catheter wall. A polarographic measurement unit is integrated in the catheter and provides a measuring chamber partially limited by the catheter wall. The measuring chamber is filled with electrolyte fluid, in which a polarographic cathode and an anode are arranged. The catheter wall is only permeable to oxygen. The catheter has a flexible metallic catheter tip formed of metallic radio-opaque guide wire. Another polarographic measurement unit for oxygen partial pressure measurement is arranged along the catheter and spaced from the former measurement unit in the region between distal and proximal catheter ends.
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