Particle-containing membrane and particulate electrode for analyte sensors
First Claim
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1. A system for continuous in vivo measurement of glucose in a host, the system comprising:
- a continuous glucose sensor configured for implantation in a host and configured to measure in vivo a signal indicative of a glucose concentration, wherein the continuous glucose sensor comprises an electrode, wherein the electrode comprises a glucose-impermeable material and conductive particles distributed within the glucose-impermeable material, wherein each of the conductive particles has a three-dimensional electroactive surface;
a biocompatible membrane located over at least a portion of the electrode, wherein the biocompatible membrane is configured to reduce a flux of glucose therethrough; and
sensor electronics operably connected to the continuous glucose sensor, wherein the sensor electronics are configured to process the signal from the continuous glucose sensor.
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Abstract
Systems and methods of use involving sensors having a particle-containing domain are provided for continuous analyte measurement in a host. In some embodiments, a continuous analyte measurement system is configured to be wholly, transcutaneously, intravascularly or extracorporeally implanted.
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14 Claims
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1. A system for continuous in vivo measurement of glucose in a host, the system comprising:
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a continuous glucose sensor configured for implantation in a host and configured to measure in vivo a signal indicative of a glucose concentration, wherein the continuous glucose sensor comprises an electrode, wherein the electrode comprises a glucose-impermeable material and conductive particles distributed within the glucose-impermeable material, wherein each of the conductive particles has a three-dimensional electroactive surface; a biocompatible membrane located over at least a portion of the electrode, wherein the biocompatible membrane is configured to reduce a flux of glucose therethrough; and sensor electronics operably connected to the continuous glucose sensor, wherein the sensor electronics are configured to process the signal from the continuous glucose sensor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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Specification