Device and method for measuring an analyte under the nail
OwnerMarcus A. Kramer, Rush L. Bartlett, IIinventors
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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.
Claims2
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:
- (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 toward the detector 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.
Dependencies are inferred from the claim text.