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Geometry of a Transcutaneous Sensor

  • US 20130237850A1
  • Filed: 03/09/2013
  • Published: 09/12/2013
  • Est. Priority Date: 03/12/2012
  • Status: Abandoned Application
First Claim
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1. A transcutaneous electromagnetic sensor comprising:

  • an emitter including an emitter end face configured to emit a first electromagnetic radiation signal entering Animalia tissue through a stratum corneum, the emitter guiding the first electromagnetic radiation signal along a first path intersecting the emitter end face at a first angle; and

    a detector including a detector end face configured to collect a second electromagnetic radiation signal exiting the Animalia tissue through the stratum corneum, the detector guiding the second electromagnetic radiation signal along a second path intersecting the detector end face at a second angle, and the second electromagnetic radiation signal including a portion of the first electromagnetic radiation signal that is at least one of reflected, scattered and redirected from the Animalia tissue;

    wherein the portion of the first electromagnetic radiation signal transitions to the second electromagnetic radiation signal in the Animalia tissue at a depth below the stratum corneum, the depth being dependent on at least (i) spacing between the emitter and detector end faces; and

    (ii) relative magnitude of the first and second angles.

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