Implantable sensor method and system
First Claim
1. A method for processing a signal representing a physiological parameter, the method comprising:
- implanting in a body a computing element;
implanting in the body a plurality of spatially separated sensing elements, each of the sensing elements for sensing individual amounts of the physiological parameter in the body;
detecting a first time-variant signal representing a first individual sensed amount of the physiological parameter from one of the plurality of sensing elements, the first time-variant signal including a first amount of noise;
detecting a second time-variant signal representing a second individual sensed amount of the physiological parameter from another of the plurality of sensing elements, the second time-variant signal including a second amount of noise; and
determining, via the computing element, a third time-variant signal representing an overall amount of the physiological parameter by calculating a statistical measurement of the first and second individual sensed amounts, the third time-variant signal having a third amount of noise less than both the first and second amounts of noise;
wherein the first and second signals are detected substantially simultaneously and wherein said computing element and said plurality of spatially separated sensing elements are located at different sites within the body; and
wherein implanting the computing element and the sensing elements comprises;
implanting an implant unit containing the computing element in the body;
allowing a foreign body capsule to form around the implant unit to surround the implant unit; and
directing the sensing elements into the foreign body capsule.
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Accused Products
Abstract
Systems and methods for non-vascular sensor implantation and for measuring physiological parameters in areas of a body where the physiological parameters are heterogeneous. An implant unit is implanted in an area of a body and a foreign body capsule is allowed to form around the implant unit area. A sensor may be directed into a body cavity such as, for example, the peritoneal space, subcutaneous tissues, the foreign body capsule, or other area. A subcutaneous area of the body may be tunneled for sensor placement. Spatially separated sensing elements may be used for detecting individual amounts of the physiological parameter. An overall amount of the physiological parameter may be determined by calculating a statistical measurement of the individual sensed amounts in the area. Another embodiment of the invention, a multi-analyte measuring device, may include a substrate having an electrode array on one side and an integrated circuit on another side.
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Citations
26 Claims
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1. A method for processing a signal representing a physiological parameter, the method comprising:
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implanting in a body a computing element; implanting in the body a plurality of spatially separated sensing elements, each of the sensing elements for sensing individual amounts of the physiological parameter in the body; detecting a first time-variant signal representing a first individual sensed amount of the physiological parameter from one of the plurality of sensing elements, the first time-variant signal including a first amount of noise; detecting a second time-variant signal representing a second individual sensed amount of the physiological parameter from another of the plurality of sensing elements, the second time-variant signal including a second amount of noise; and determining, via the computing element, a third time-variant signal representing an overall amount of the physiological parameter by calculating a statistical measurement of the first and second individual sensed amounts, the third time-variant signal having a third amount of noise less than both the first and second amounts of noise; wherein the first and second signals are detected substantially simultaneously and wherein said computing element and said plurality of spatially separated sensing elements are located at different sites within the body; and wherein implanting the computing element and the sensing elements comprises; implanting an implant unit containing the computing element in the body; allowing a foreign body capsule to form around the implant unit to surround the implant unit; and directing the sensing elements into the foreign body capsule. - 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)
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Specification