OXYGEN ENHANCING MEMBRANE SYSTEMS FOR IMPLANTABLE DEVICES

  • US 20100145172A1
  • Filed: 01/15/2010
  • Published: 06/10/2010
  • Est. Priority Date: 07/25/2003
  • Status: Active Grant
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First Claim
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1. An implantable device for continuous in vivo measurement of an analyte concentration in a host, the implantable device comprising:

  • a sensing region operatively connected to electronic circuitry configured to generate a signal associated with a concentration of an analyte in a host; and

    a membrane located over the sensing region, wherein the membrane comprises a first domain comprising an enzyme configured to react with the analyte and a second domain configured to control a flux of the analyte and oxygen therethrough, and wherein the first domain comprises a first silicone polymer and the second domain comprises a second silicone polymer.

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