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Monitoring, predicting and treating clinical episodes

  • US 8,821,418 B2
  • Filed: 05/10/2009
  • Issued: 09/02/2014
  • Est. Priority Date: 05/02/2007
  • Status: Active Grant
First Claim
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1. Apparatus comprising:

  • a sensor configured to sense motion of a subject and generate a motion signal in response thereto;

    an output unit; and

    a control unit configured to;

    analyze the motion signal,at a first time, determine that the motion signal is indicative that the subject is likely to be sleeping,at a second time following the first time, determine that the motion signal is indicative that the subject is likely to no longer be sleeping,in response thereto, determine that the subject is at an increased risk for falling out of a bed, andin response thereto, drive the output unit to alert a clinician that the subject is at an increased risk for falling out of the bed,the control unit being configured to adapt a threshold for the alerting of the clinician based on an input selected from the group consisting of;

    an input indicative of a characteristic of a medication administered to the subject, an input indicative of the subject having undergone surgery, and an input indicative of a time of day,wherein the sensor is further configured to generate a signal indicative of whether the subject is in or out of bed, andwherein the control unit is further configured to (a) drive the output unit to generate an alert if the subject has been out of bed for at least a defined period of time, and (b) withhold driving the output unit to generate the alert if the subject has been out of bed for less than one minute.

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