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Attitude indicator and activity monitoring device

  • US 7,127,370 B2
  • Filed: 04/11/2003
  • Issued: 10/24/2006
  • Est. Priority Date: 01/07/2000
  • Status: Expired due to Fees
First Claim
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1. A skin patch for preventing falls, comprising:

  • an adhesive surface;

    an accelerometer disposed within said skin patch at a preset orientation;

    a marking on the skin patch for rapidly positioning the adhesive surface for fixation to skin, wherein after the fixation the accelerometer has a pre-established disposition with respect to a femur bone; and

    a sensing circuit to monitor the accelerometer and to generate a signal when the accelerometer indicates a femur orientation associated with a high risk of falling;

    wherein the femur orientation is selected to indicate a point in a mobility process prior to transferring a majority of upper body weight through the femur to a knee or a foot of the patient; and

    wherein the selected femur orientation and the sensing circuit eliminate false positive signals with respect to allocation of personnel to respond to the high risk of falling.

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