Flexible Patch for Fluid Delivery and Monitoring Body Analytes
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Abstract
A wearable, conductive textile patch is provided that may include any of a number of features for monitoring body analytes and/or delivering fluids to a body. In one embodiment of the invention, a single, patch-mounted system monitors glucose levels of a diabetic person and provides appropriate doses of insulin in response to the glucose measurements. A hand-held user interface can be provided for wirelessly controlling the system and/or receiving information from it. Conductive pathways can be formed in the fabric of the patch. Components that can be integrated into the flexible patch include a power source, controller, transmitter, antenna, temperature and other sensors, fluid pump, infusion set, electrical pathways, switches, controls, electrodes, connectors, resistors and other circuit elements. Such components can be embedded, interwoven or coated on to the flexible patch instead of or in addition to surface mounting. Methods associated with use of the flexible patch system are also covered.
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Citations
19 Claims
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1. (canceled)
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2. A sensor device for measuring an analyte concentration, the sensor device comprising:
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a sensor unit comprising an in vivo portion having a tissue piercing element and a sensor body, the sensor body comprising at least one electrode and a membrane covering at least a portion of the at least one electrode; and a mounting unit configured to support the sensor device on an exterior surface of a host'"'"'s skin. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A sensor array for measuring an analyte concentration, the sensor array comprising:
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a laminate comprising an adhesive layer configured for adhering the laminate to a host'"'"'s skin; and a plurality of sensor devices each attached to the laminate and each configured for insertion through the skin at a different insertion site, wherein each sensor device comprises a sensor unit and a mounting unit configured to support the sensor device on an exterior surface of the host'"'"'s skin, the sensor unit comprising an in vivo portion having a tissue piercing element and a sensor body, the sensor body comprising at least one electrode and a membrane covering at least a portion of the at least one electrode. - View Dependent Claims (16, 17, 18, 19)
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Specification