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METHOD AND APPARATUS TO SENSE HYDRATION LEVEL OF A PERSON

  • US 20140249388A1
  • Filed: 05/16/2014
  • Published: 09/04/2014
  • Est. Priority Date: 12/20/2004
  • Status: Abandoned Application
First Claim
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1. A disposable hydration sensing element for measuring the hydration level of a user based on the user'"'"'s saliva, the sensing element comprising:

  • a sheet of water-permeable material having a first side and a second side, with a chemical compound at least coupled to the first side;

    a first sheet of water-impermeable material coupled to the first side of the water-permeable material; and

    a second sheet of water-impermeable material coupled to the second side of the water-permeable material,wherein the hydration sensing element includes at least one aperture to allow saliva to reach the chemical compound from the at least one aperture,wherein the chemical compound, at least due to contact with saliva, changes at least a portion of the water-permeable material, and the change is observable from at least a portion of one of the sheets of the water-impermeable material,wherein at least a portion of the disposable sensing element is to be placed in the mouth of the user to measure the hydration level of the user, andwherein the disposable hydration sensing element further includes an indicator to provide an indication regarding the hydration level of the user, based on time duration regarding the observable change of the water-permeable material, after the disposable hydration sensing element is placed in the mouth of the user.

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