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Detecting unintentional motor motion and infusion device incorporating same

  • US 9,433,731 B2
  • Filed: 07/19/2013
  • Issued: 09/06/2016
  • Est. Priority Date: 07/19/2013
  • Status: Active Grant
First Claim
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1. A system comprising:

  • a motor;

    a sensing arrangement coupled to the motor to provide output indicative of a detected characteristic of the motor when the sensing arrangement is enabled; and

    a module coupled to the sensing arrangement to;

    periodically enable the sensing arrangement to consume current while the motor is idle and disable the sensing arrangement after each enabling; and

    detect potential unintended motion of the motor based on the output from the sensing arrangement while periodically enabling the sensing arrangement.

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