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WETNESS SENSORS, WETNESS MONITORING SYSTEM, AND RELATED METHODS

  • US 20140200538A1
  • Filed: 07/20/2012
  • Published: 07/17/2014
  • Est. Priority Date: 07/20/2011
  • Status: Active Grant
First Claim
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11. A liquid absorbent wetness sensor comprising:

  • a liquid transport layer positionable next to the skin of a wearer and capable of transporting a volume of liquid discharged by the wearer away from the wearer'"'"'s skin;

    a liquid absorbent layer that receives the transported liquid;

    a liquid sensor in liquid communication with the liquid absorbent layer, the liquid sensor comprising a galvanically energizable power source capable of activating a remotely detectable signal in response to liquid in the liquid absorbent layer;

    a liquid management layer positioned between the liquid transport layer and liquid absorbent layer, the liquid management layer comprising a material that retards liquid flow between the liquid transport layer and liquid absorbent layer so as to prevent the sensor from being energized until the volume of liquid is large enough to flow to the liquid absorbent layer and energize the power source.

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