Device and method for determining analyte levels

  • US 7,792,562 B2
  • Filed: 12/22/2009
  • Issued: 09/07/2010
  • Est. Priority Date: 03/04/1997
  • Status: Expired due to Fees
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1. A device for measuring a glucose concentration in a host, the device comprising:

  • a sensor operably connected to an electronic circuit and configured to continuously measure a signal indicative of a glucose concentration in a host for a period of time; and

    a membrane located over at least a portion of the sensor, the membrane comprising a layer configured to control a flux of oxygen and glucose;

    wherein the device is capable of exhibiting, at a glucose concentration of 400 mg/dL, no more than a 10% drop in sensor output over a range of pO2 from 150 mm Hg down to 30 mm Hg, and wherein the device is configured to use an in vitro calibration factor for initial calibration.

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