Techniques to improve polyurethane membranes for implantable glucose sensors

  • US 20060086624A1
  • Filed: 11/16/2005
  • Published: 04/27/2006
  • Est. Priority Date: 05/22/2002
  • Status: Active Grant
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First Claim
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1. An electrochemical sensor for measuring an analyte in a bodily fluid, the sensor comprising:

  • at least one electrode; and

    a membrane disposed on the electrode and configured to control transport of an analyte to the electrode, the membrane comprising;

    a matrix comprising a substantially hydrophobic polymer; and

    a hydrophobic-hydrophilic polymer dispersed throughout the matrix, wherein a hydrophobic component of the hydrophobic-hydrophilic polymer and a hydrophobic component of the substantially hydrophobic polymer have similar backbone structures.

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