MEMBRANE FOR CONTINUOUS ANALYTE SENSORS
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Abstract
Devices are presented for measurement of an analyte concentration. The devices comprise: a sensor configured to generate a signal indicative of a concentration of an analyte; and a sensing membrane located over the sensor. The sensing membrane comprises an enzyme domain comprising an enzyme, a base polymer, and a hydrophilic polymer which makes up from about 5 wt. % to about 30 wt. % of the enzyme domain.
7 Citations
30 Claims
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1-20. -20. (canceled)
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21. A device for measurement of an analyte concentration, the device comprising:
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an in vivo sensor configured to generate a signal indicative of a concentration of an analyte; and a membrane located over the sensor, the membrane comprising; a first domain that interfaces with tissue and/or a biological fluid; a second domain, wherein the second domain comprises an enzyme and a zwitterion. - View Dependent Claims (22, 23, 24, 28, 29, 30)
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- 25. The device of claim 25, where the base polymer is cross-linked with another base polymer.
Specification