HEMODYNAMIC PRESSURE SENSOR TEST SYSTEM AND METHOD
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United States of America Patent
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May 16, 2013
app pub date -
May 4, 2012
filing date -
May 4, 2011
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Abstract
A pressure sensor suitable for use in a powered contrast injector system may be tested to help validate the operability and/or integrity of the sensor. In some examples, the pressure sensor may be tested by generating a pressure pulse in a fluid line fluidly connected to the pressure sensor so as to generate a first pressure reading. A high pressure fluid at a pressure above a maximum operating pressure of the pressure sensor may be conveyed through a valve fluidly connected to the pressure sensor. Subsequent to conveying the high pressure fluid through the valve, the pressure sensor may again be tested by generating a pressure pulse in the fluid line fluidly connected to the pressure sensor so as to generate a second pressure reading. In some examples, the first pressure reading is compared to the second pressure reading to determine whether the pressure sensor has passed or failed.
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