Silicone based membranes for use in implantable glucose sensors

  • US 7,613,491 B2
  • Filed: 04/14/2006
  • Issued: 11/03/2009
  • Est. Priority Date: 05/22/2002
  • Status: Active Grant
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First Claim
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1. A device for use in an implantable analyte sensor, comprising:

  • an enzyme layer comprising an enzyme; and

    a diffusion resistance layer comprising a silicone elastomer and a poly(ethylene oxide) and poly(propylene oxide) co-polymer, wherein the diffusion resistance layer is positioned between the enzyme layer and tissue adjacent to the sensor when implanted.

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