Medical sensor and technique for using the same
First Claim
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1. A system comprising:
- a coiled conduit permeable to a tissue constituent, wherein the coiled conduit is adapted to be placed in direct contact with a tissue;
an efferent conduit in fluid communication with the coiled conduit, wherein the efferent conduit is adapted to transfer the tissue constituent from the coiled conduit to at least one sensing component, wherein the sensing component is adapted to provide a signal related to the tissue constituent;
an afferent conduit adapted to transfer the tissue constituent from the sensing component to the coiled conduit; and
a motive force structure adapted circulate the tissue constituent through the system, wherein the motive force structure is adapted to be operatively connected to at least one of the efferent conduit, the afferent conduit, or the sensing component.
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Abstract
A sensor is provided that is appropriate for transcutaneous detection of tissue or blood constituents. A sensor for tissue constituent detection may include a gas collection chamber with a conduit to a sensing component and a conduit from the sensing component to the chamber. A sensor as provided may also include a barrier layer to prevent water from infiltrating the sensor.
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Citations
15 Claims
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1. A system comprising:
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a coiled conduit permeable to a tissue constituent, wherein the coiled conduit is adapted to be placed in direct contact with a tissue; an efferent conduit in fluid communication with the coiled conduit, wherein the efferent conduit is adapted to transfer the tissue constituent from the coiled conduit to at least one sensing component, wherein the sensing component is adapted to provide a signal related to the tissue constituent; an afferent conduit adapted to transfer the tissue constituent from the sensing component to the coiled conduit; and a motive force structure adapted circulate the tissue constituent through the system, wherein the motive force structure is adapted to be operatively connected to at least one of the efferent conduit, the afferent conduit, or the sensing component. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A sensor comprising:
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a gas collection structure comprising a coiled tube or a folded tube, wherein the coiled or folded tube is at least partially permeable to a tissue constituent, and wherein the coiled or folded tube is adapted to be placed in direct contact with the tissue; and an efferent conduit adapted to transfer the tissue constituent from the gas collection structure to a sensing component, wherein the sensing component is adapted to provide a signal related to the tissue constituent; and an afferent conduit adapted to transfer the tissue constituent from the sensing component to the gas collection structure. - View Dependent Claims (11, 12, 13, 14, 15)
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Specification