Analyte Monitoring Device and Methods of Use
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Abstract
An analyte monitor includes a sensor, a sensor control unit, and a display unit. The sensor has, for example, a substrate, a recessed channel formed in the substrate, and conductive material disposed in the recessed channel to form a working electrode. The sensor control unit typically has a housing adapted for placement on skin and is adapted to receive a portion of an electrochemical sensor. The sensor control unit also includes two or more conductive contacts disposed on the housing and configured for coupling to two or more contact pads on the sensor. A transmitter is disposed in the housing and coupled to the plurality of conductive contacts for transmitting data obtained using the sensor. The display unit has a receiver for receiving data transmitted by the transmitter of the sensor control unit and a display coupled to the receiver for displaying an indication of a level of an analyte. The analyte monitor may also be part of a drug delivery system to alter the level of the analyte based on the data obtained using the sensor.
187 Citations
142 Claims
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1-120. -120. (canceled)
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121. A method for measuring a concentration of an analyte in of a host, the method comprising:
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a) providing an analyte measuring system comprising a vascular access device, an analyte sensor configured measure an analyte concentration, and electronics operatively connected to the sensor and configured to generate a signal associated with the analyte concentration;
wherein the analyte sensor is configured to reside within the vascular access device;b) placing the vascular access device and sensor in fluid communication with the circulatory system; c) passing a reference solution and measuring a signal associated with an analyte concentration of the reference solution; and d) drawing a sample from the circulatory system and measuring a signal associated with the analyte concentration of the sample. - View Dependent Claims (122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142)
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Specification