DEVICE AND METHOD FOR MEASURING AN ANALYTE UNDER THE NAIL
First Claim
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1. An apparatus comprising:
- (a) a source configured to transmit light; and
(b) a detector configured to receive at least a portion of the light transmitted by the source, wherein the source and the detector are positionable on a nail of a digit such that the light enters the nail through an entrance region, the light further exits the nail through an exit region, the entrance region is defined by a lateral portion of the nail, the light is directed to interact with at least one analyte, and the portion of the light received by the detector has at least one characteristic that varies with the concentration of the at least one analyte.
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Abstract
An apparatus includes a source and a detector. The source is operable to transmit light. The detector is operable to receive at least a portion of the light transmitted by the source. The source and the detector can be positioned on a nail of a digit such that the light enters the nail through an entrance region. The light further exits the nail through an exit region. The entrance region is defined by a lateral portion of the nail. The light is directed to interact with at least one analyte.
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Citations
25 Claims
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1. An apparatus comprising:
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(a) a source configured to transmit light; and (b) a detector configured to receive at least a portion of the light transmitted by the source, wherein the source and the detector are positionable on a nail of a digit such that the light enters the nail through an entrance region, the light further exits the nail through an exit region, the entrance region is defined by a lateral portion of the nail, the light is directed to interact with at least one analyte, and the portion of the light received by the detector has at least one characteristic that varies with the concentration of the at least one analyte. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 21, 22)
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16. An apparatus comprising:
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(a) an emitting device operable to transmit a signal; (b) a receiving device operable to receive the signal emitted by the emitting device or influenced by an analyte, wherein the emitting device and the receiving device are positionable to straddle the outer surface of a nail of a digit such that the emitting device is aimed laterally into the nail; and (c) a controller in communication with the receiving device, wherein the controller is operable to receive information based on the receiving of the signal by the receiving device, wherein the information is used to detect a concentration of an analyte. - View Dependent Claims (17, 18, 19, 23, 24)
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20. A method of detecting an analyte using a source and a detector, wherein the source is operable to transmit a focused light beam to the detector, the method comprising the steps of:
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(a) placing the source on one portion of a nail of a human digit; (b) placing the detector on another portion of the nail; (c) firing the focused light beam through the nail along a line defining a secant with the nail; (d) receiving at least a portion of the focused light beam with the detector; (e) processing a signal resulting from the receiving to detect an analyte. - View Dependent Claims (25)
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Specification