OPTICAL SENSOR ASSEMBLY
First Claim
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1. A sensing apparatus comprising:
- a housing having an external sleeve and a mating member housed within said external sleeve;
an optical-based sensor capable of measuring the presence of an analyte in an analyte containing medium, said sensor disposed within said mating member, wherein said sensor includes a body, internal circuitry, and an internal coil housed within its body, said internal coil being configured to wirelessly receive electrical power from an external power supply; and
drive circuitry configured to communicate power to and data from said sensor,wherein said mating member is configured to mate with a device in contact with said medium containing said analyte to be measured such that said optical-based sensor is capable of contacting said analyte containing medium.
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Abstract
The present invention provides systems and methods for measuring an analyte in a medium without exposing the medium to contamination. The systems and methods employ a novel combination of a small sensor device embedded in a Luer cap and capable of wirelessly transmitting data to a reading device.
88 Citations
40 Claims
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1. A sensing apparatus comprising:
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a housing having an external sleeve and a mating member housed within said external sleeve; an optical-based sensor capable of measuring the presence of an analyte in an analyte containing medium, said sensor disposed within said mating member, wherein said sensor includes a body, internal circuitry, and an internal coil housed within its body, said internal coil being configured to wirelessly receive electrical power from an external power supply; and drive circuitry configured to communicate power to and data from said sensor, wherein said mating member is configured to mate with a device in contact with said medium containing said analyte to be measured such that said optical-based sensor is capable of contacting said analyte containing medium. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 15, 16)
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17. A sensor system comprising:
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a plurality of optical-based sensors for measuring the presence of an analyte in an analyte containing medium, each of said sensors being disposed a housing having an external sleeve and a mating member housed within said external sleeve, wherein each of said sensors includes a body, internal circuitry, and an internal coil housed within its body, said internal coil being configured to receive electrical power from an external power supply and to transmit data; at least one reading device comprising drive circuitry coupled to a primary coil, said primary coil configured to transmit power to and receive data from said internal coil of said plurality of optical-based sensors; and a processing device configured to interface with said reading device in order to receive said data from at least one of said plurality of optical-based sensors; wherein said mating member of said housing is configured to mate with a device in contact with said medium containing said analyte to be measured such that said optical-based sensors are brought into contact with said analyte containing medium. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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29. A method of measuring the presence and concentration of an analyte in a medium comprising:
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providing a sensing apparatus comprising a housing having an external sleeve and a mating member disposed within said external sleeve, said sensing apparatus further comprising an optical-based sensor disposed within the mating member of said housing, said optical-based sensor including a body, internal circuitry, and an internal coil housed within its body, wherein said internal coil is configured to receive electrical power from an external power supply; mating said sensing apparatus with a device that configured to be in fluid communication with said medium containing said analyte to be measured, exciting said internal coil by electromagnetic induction using a reading device; receiving at the reading device data from the optical-based sensor relating to the presence of an analyte in a medium; and transmitting said data to a processing device. - View Dependent Claims (30, 31, 32, 33, 34, 35, 36)
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37. A sensing apparatus comprising:
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a housing having an cavity disposed in an outside surface of the housing; an optical-based sensor capable of measuring the presence of an analyte in an analyte containing medium, said sensor disposed within said cavity in said housing, wherein said sensor includes a body, internal circuitry, and an internal coil housed within its body, said internal coil being configured to receive electrical power from an external power supply; and drive circuitry configured to communicate power to and receive data from said sensor, wherein said housing is configured to connect with a device in contact with said medium containing said analyte to be measured such that said optical-based sensor is capable of contacting said analyte containing medium. - View Dependent Claims (38, 39, 40)
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Specification