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Glucose sensor

  • US 10,426,384 B2
  • Filed: 06/02/2015
  • Issued: 10/01/2019
  • Est. Priority Date: 06/03/2014
  • Status: Active Grant
First Claim
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1. A glucose sensor, comprising:

  • a catheter, having one or more openings in a region of its distal end,a first optical waveguide arranged in the catheter with a coupling surface at its distal end,a measuring probe disposed in the region of the distal end of the catheter and coupled to the coupling surface of the first optical waveguide, having a mirror disposed opposite the coupling surface of the first optical waveguide and a detection chamber between the coupling surface of the first optical waveguide and the mirror,a detection fluid for glucose in the detection chamber,a membrane, which encloses at least the detection chamber filled with the detection fluid and having a separation capacity of at most 20 kDa, anda light source coupled to the first optical waveguide, wherein the light source is an infrared light source providing light with a wavelength between 800 nm and 3000 nm.

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