ANALYTE SENSOR
First Claim
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1. A method for measuring a concentration of an analyte in of a host, the method comprising:
- 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 past the analyte sensor and measuring a signal associated with an analyte concentration of the reference solution; and
d) drawing back a sample from the circulatory system and measuring a signal associated with the analyte concentration of the sample.
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Abstract
Systems and methods of use for continuous analyte measurement of a host'"'"'s vascular system are provided. In some embodiments, a continuous glucose measurement system includes a vascular access device, a sensor and sensor electronics, the system being configured for insertion into communication with a host'"'"'s circulatory system.
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Citations
31 Claims
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1. 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 past the analyte sensor and measuring a signal associated with an analyte concentration of the reference solution; and d) drawing back a sample from the circulatory system and measuring a signal associated with the analyte concentration of the sample. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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28. A method for measuring a concentration of an analyte in a circulatory system of a host, the method comprising:
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a) providing an analyte measuring system comprising a vascular access device, an analyte sensor, a flow control device, a fluids bag, an IV tubing, and a processor, wherein the processor is operatively connected to the flow control device and analyte sensor; b) inserting the vascular access device and the analyte sensor into fluid communication with the host'"'"'s circulatory system; c) injecting a first reference solution into the IV tubing; d) coupling the fluids bag to the IV tubing, the fluids bag comprising a second reference solution; and e) initiating the analyte measuring system, wherein the processor is configured to auto-calibrate the analyte sensor without additional user interaction with the system. - View Dependent Claims (29, 30, 31)
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Specification