Injectors, injector systems and injector control
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United States of America Patent
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Jan 6, 2004
Grant Date -
N/A
app pub date -
Nov 22, 2000
filing date -
Nov 24, 1999
priority date (Note) -
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status (Latency Note)
Importance
Abstract
An injector for use in injecting a fluid in a medical injection procedure includes a drive mechanism to pressurize the fluid; a sensor to measure a variable that is proportional to fluid pressure (that is, a direct or indirect measurement of fluid pressure); and a pressure monitor (for example, including hardwired circuitry and/or software) in communication with the sensor and the drive mechanism to stop the injection procedure when the sensor measures a value of the variable that corresponds to a pressure hazard limit. Preferably, the pressure monitor further limits power input to the drive mechanism to a power limit once the variable reaches a value that corresponds to a power limiting pressure that is below the pressure hazard limit.
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