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Methods, apparatus and systems for operating a medical device including an accelerometer

  • US 9,855,110 B2
  • Filed: 02/05/2013
  • Issued: 01/02/2018
  • Est. Priority Date: 02/05/2013
  • Status: Active Grant
First Claim
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1. A medical device, comprising:

  • a power source;

    a therapeutic assembly including electric circuits and at least one electromechanical component, wherein said assembly is adapted to use electricity from said power source to introduce a therapeutic substance into a body of a person whilst operating in a therapeutic mode, and is further adapted to enter a device sleep mode (DSM) during which mode said assembly is not introducing a therapeutic substance into a body of a person;

    an accelerometer circuit mechanically linked to said therapeutic assembly and configured to, when the therapeutic assembly is in DSM, sense movements of said therapeutic assembly and to generate movement characterization data indicative of at least one sensed movement of said therapeutic assembly; and

    a movement analysis module (MAM) configured to, during DSM, receive the movement characterization data from the accelerometer and to estimate whether a sensed movement of said therapeutic assembly represents a malfunction parameter requiring testing or recalibration of said assembly before a next use of said device, and triggering a disabling of said therapeutic assembly upon estimating a malfunction parameter.

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