Injectors, injector systems and injector control
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United States of America Patent
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Feb 18, 2003
Issued Date -
N/A
app pub date -
Apr 3, 2001
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 having a motor to pressurize the fluid; a sensor to provide a measure of fluid pressure; and a pressure monitor in communication with the sensor and the drive to stop the motor using 4-quadrant control when the sensor communicates a measured pressure of at least a pressure hazard limit. The pressure monitor also limits power input to the motor to a power limit once the sensor communicates a measured pressure of at least a power limiting pressure. The power limiting pressure is below the pressure hazard limit.
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