OCCLUSION RECOGNITION IN AN ADMINISTERING APPARATUS
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United States of America Patent
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app pub date -
Apr 13, 2012
filing date -
Oct 16, 2009
priority date (Note) -
Abandoned
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Abstract
A device and a method for controlling a medical administering apparatus wherein an electrical motor of the medical administering apparatus is activated during defined discharging events, including short discharging events, and the motor is controlled as per a predefined speed profile with a plurality of regions (Pi), wherein a load sensor establishes load signals (Imot) that constitute a measure of the electrical load formed by the motor, e.g. load signals representing the motor current, wherein a monitoring arrangement compares a variable derived from the load signals with at least one predefined condition and emits an occlusion signal if the condition is satisfied, and wherein to compensate for acceleration effects, the load signals are corrected as a function of the current region by an associated correction value (I1; I2; I3), thereby facilitating reliable recognition of occlusions during short discharging events.
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