Patents by Inventor Kevin Hazen

Kevin Hazen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20200337603
    Abstract: The invention comprises a method and apparatus for sampling a common tissue volume and/or a common skin layer skin of a person as a part of noninvasively determining an analyte property with an analyzer including: a set of detectors at least partially embedded in a probe housing, the probe housing comprising a sample side surface, the detectors including a first and second range of detection zones of differing radial distances from a first illumination zone and second illumination zone, respectively coupled to separate sources, with surface paths between the sources and detectors overlapping a common skin area during use.
    Type: Application
    Filed: January 30, 2020
    Publication date: October 29, 2020
    Inventors: Kevin Hazen, Alan Abul-Haj, Roxanne Abul-Haj, Christopher Slawinski, Alodeep Sanyal, Benjamin Mbouombouo
  • Publication number: 20200337611
    Abstract: The invention comprises a method and apparatus for selecting optical pathways sampling a common tissue layer, such as the dermis, of a person for analysis in a noninvasive analyte property determination systemy, comprising the steps of: probing skin with a range of illumination zone-to-detection zone distances with at least two wavelength ranges, which optionally overlap, and selecting, using a metric, illumination zone-to-detection zone distances having mean optical pathways probing the common tissue layer, such as without the mean optical pathways entering the subcutaneous fat layer of the person. Optionally, the skin tissue layers are modulated and/or treated via tissue displacement before and/or during data collection.
    Type: Application
    Filed: January 30, 2020
    Publication date: October 29, 2020
    Inventors: Alan Abul-Haj, Christopher Slawinski, Kevin Hazen, Roxanne Abul-Haj, Benjamin Mbouombouo, Alodeep Sanyal
  • Publication number: 20200337600
    Abstract: The invention comprises a method and apparatus for selecting optical pathways sampling a common tissue position, such as a lateral mean range in the dermis, of a person for analysis in a noninvasive analyte property determination system, comprising the steps of: probing skin with a range of illumination zone-to-detection zone distances with at least two wavelength ranges, which optionally overlap, and selecting, using a metric, illumination zone-to-detection zone distances having mean optical pathways probing the common tissue layer, such as without the mean optical pathways entering the subcutaneous fat layer of the person. Optionally, the skin tissue layers are modulated and/or treated via tissue displacement before and/or during data collection.
    Type: Application
    Filed: January 30, 2020
    Publication date: October 29, 2020
    Inventors: Christopher Slawinski, Kevin Hazen, Roxanne Abul-Haj, Benjamin Mbouombouo, Alodeep Sanyal, Alan Abul-Haj
  • Publication number: 20200337606
    Abstract: The invention comprises a method and apparatus for sampling optical pathways having a common tissue depth, such as a maximum mean depth of penetration in the dermis, with a common sample position of a person for analysis in a noninvasive analyte property determination system, comprising the steps of: probing skin with a range of illumination zone-to-detection zone distances with at least two wavelength ranges and detecting, using a set of detectors, illumination zone-to-detection zone distances having mean optical pathways probing the common tissue layer, such as without the mean optical pathways entering the subcutaneous fat layer of the person. Optionally, the skin tissue layers are modulated and/or treated via tissue displacement before and/or during data collection. Optionally, given illumination zone-to-detection zone distances are dynamically selected based upon a measure of state of the skin of the person.
    Type: Application
    Filed: January 30, 2020
    Publication date: October 29, 2020
    Inventors: Kevin Hazen, Benjamin Mbouombouo, Alodeep Sanyal, Alan Abul-Haj, Roxanne Abul-Haj, Christopher Slawinski
  • Publication number: 20200337601
    Abstract: The invention comprises a method and apparatus for sampling skin of a person as a part of noninvasive analyte property determination system, comprising the steps of: providing an analyzer, comprising: sources and at least three detectors at least partially embedded in a probe housing, the probe housing comprising a sample side surface, the detectors including: a range of differing radial distances from a first illumination zone; repetitively illuminating an illumination zone of the skin with photons in a range of 1200 to 2500 nm; detecting portions of the first photons with the at least three detectors; and using signals from the at least three detectors and a metric, respectively classifying the skin into a first, second, and third tissue state, the radial distances of the at least three detectors differing from each other by greater than ten percent.
    Type: Application
    Filed: January 30, 2020
    Publication date: October 29, 2020
    Inventors: Kevin Hazen, Benjamin Mbouombouo, Alan Abul-Haj, Roxanne Abul-Haj, Christopher Slawinski, Alodeep Sanyal
  • Publication number: 20200337602
    Abstract: The invention comprises a method and apparatus for sampling a common tissue volume and/or a common skin layer skin of a person as a part of noninvasive analyte property determination system, comprising the steps of: providing an analyzer, comprising at least three detectors at least partially embedded in a probe housing, the probe housing comprising a sample side surface, the detectors including a first and second range of detection zones of differing radial distances from a first illumination zone and second illumination zone, respectively coupled to separate sources; repetitively illuminating the illumination zones of the skin with photons in a range of 1200 to 2500 nm; and detecting portions of light from the sources with the at least three detectors, the detectors positioned on a common line with the sources.
    Type: Application
    Filed: January 30, 2020
    Publication date: October 29, 2020
    Inventors: Benjamin Mbouombouo, Alan Abul-Haj, Roxanne Abul-Haj, Christopher Slawinski, Alodeep Sanyal, Kevin Hazen
  • Publication number: 20200337612
    Abstract: The invention comprises a method and apparatus for sampling optical pathways having a common tissue depth, such as a maximum mean depth of penetration in the dermis, with a common detector of a person for analysis in a noninvasive analyte property determination system, comprising the steps of: probing skin with a range of illumination zone-to-detection zone distances with at least two wavelength ranges, which optionally overlap, and detecting, using a common detector, illumination zone-to-detection zone distances having mean optical pathways probing the common tissue layer, such as without the mean optical pathways entering the subcutaneous fat layer of the person. Optionally, the skin tissue layers are modulated and/or treated via tissue displacement before and/or during data collection.
    Type: Application
    Filed: January 30, 2020
    Publication date: October 29, 2020
    Inventors: Roxanne Abul-Haj, Kevin Hazen, Christopher Slawinski, Benjamin Mbouombouo, Alodeep Sanyal, Alan Abul-Haj
  • Publication number: 20200337609
    Abstract: The invention comprises an applied force-optic analyzer used to determine a sample constituent concentration, a physical measure of the sample, and/or a state of the sample. The analyzer comprises: an electro-mechanical transducer affixed to skin of a subject; a controller, the controller providing a voltage waveform to the electro-mechanical transducer driving displacement of the skin and inducing a pressure wave into the skin; and a spectrometer interfaced to a sample site of the skin, the spectrometer comprising a set of sources and a set of detectors, where the controller is configured to collect signal from the set of detectors as a function of timing of the voltage waveform and apply a calibration model to the signal to determine the analyte concentration.
    Type: Application
    Filed: October 29, 2019
    Publication date: October 29, 2020
    Inventors: Roxanne Abul-Haj, Kevin Hazen, Christopher Slawinski, Alan Abul-Haj
  • Publication number: 20200163596
    Abstract: The invention comprises a method for noninvasively determining a sample property, comprising controlling photon generation from a source and analyzing signal from a set of detectors; irradiating an illumination zone of skin with the photons; and detecting diffusely reflected photons from the skin, the set of detectors respectively optically coupled to a set of detection zones of the skin positioned along a spiral path between a first and second radial distance from the illumination zone, where a first detection zone of a first detector of the set of detectors extends radially outward from the illumination zone to at least an inward radial distance, from the illumination zone, of a second detection zone of a second detector of the set of detectors, where at least one detection zone of the set of detection zones has a central radial distance from the illumination zone between the first and second radial distances.
    Type: Application
    Filed: November 22, 2019
    Publication date: May 28, 2020
    Inventors: Alodeep Sanyal, Benjamin Mbouombouo, Roxanne Abul-Haj, Alan Abul-Haj, Christopher Slawinski, Kevin Hazen
  • Publication number: 20200085352
    Abstract: The invention comprises a method and apparatus for noninvasively determining state of a person, comprising the steps of: providing an analyzer comprising a first and second spectrometer unit and a main controller subsystem; replaceably attaching the first spectrometer unit to the person at a first illumination zone; the first spectrometer unit delivering first photons, from first illumination optics, along a first mean z-axis optical path normal to a first x/y-plane tangentially contacting the first illumination zone of the person; replaceably attaching a second spectrometer unit to the person at a second illumination zone; the second spectrometer delivering second photons, from second illumination optics, along a second mean z-axis optical path perpendicular to a second x/y-plane tangentially contacting the second illumination zone of the skin, the first x/y-plane noncoplanar with the second x/y-plane; and the main controller processing detected signals to generate at least one measure of state of the person
    Type: Application
    Filed: November 22, 2019
    Publication date: March 19, 2020
    Inventors: Alodeep Sanyal, Benjamin Mbouombouo, Roxanne Abul-Haj, Alan Abul-Haj, Christopher Slawinski, Kevin Hazen
  • Patent number: 9585604
    Abstract: A noninvasive analyzer apparatus and method of use thereof is described comprising a near-infrared source, a detector, and a photon transport system configured to direct photons from the source to the detector via an analyzer-sample optical interface. The photon transport system includes a dynamically position light directing unit used to, within a measurement time period for a single analyte concentration determination, change any of: radius, energy, intensity, position, incident angle, solid angle, and/or depth of penetration of a beam of photons entering skin of a subject.
    Type: Grant
    Filed: September 22, 2014
    Date of Patent: March 7, 2017
    Inventors: Timothy Ruchti, Alan Abul-Haj, Kevin Hazen
  • Patent number: 9375170
    Abstract: A noninvasive analyzer apparatus and method of use thereof is described using a plurality of sample illumination zones optically coupled to at least two optically stacked two-dimensional optical filter arrays. Sectioned pixels and/or zones of a detector array are optionally filtered for different light throughput and/or are passed through various pathlengths using the stacked two-dimensional optical filter arrays. Resulting pathlength resolved/wavelength controlled groups of spectra are subsequently analyzed to determine an analyte property.
    Type: Grant
    Filed: November 11, 2015
    Date of Patent: June 28, 2016
    Inventors: Timothy Ruchti, Alan Abul-Haj, Kevin Hazen
  • Publication number: 20160151002
    Abstract: A noninvasive analyzer apparatus and method of use thereof is described comprising a near-infrared source, a detector, and a photon transport system configured to direct photons from the source to the detector via an analyzer-sample optical interface. The photon transport system includes a dynamically position light directing unit used to, within a measurement time period for a single analyte concentration determination, change any of: radius, energy, intensity, position, incident angle, solid angle, and/or depth of penetration of a beam of photons entering skin of a subject.
    Type: Application
    Filed: November 17, 2015
    Publication date: June 2, 2016
    Inventors: Timothy Ruchti, Alan Abul-Haj, Kevin Hazen
  • Patent number: 9351671
    Abstract: A noninvasive analyzer apparatus and method of use thereof is described using one or a plurality of sample illumination zones coupled to at least one two-dimensional detector array monitoring a plurality of detection zones. Control of illumination times and/or patterns along with selected detection zones yields pathlength resolved groups of spectra. Sectioned pixels and/or zones of the detector are optionally filtered for different light throughput as a function of wavelength. The pathlength resolved groups of spectra are subsequently analyzed to determine an analyte property. Optionally, in the mapping and/or collection phase, incident light is controllably varied in time in terms of any of: sample probe position, incident light solid angle, incident light angle, depth of focus, energy, intensity, and/or detection angle. Optionally, one or more physiological property and/or model property related to a physiological property is used in the analyte property determination.
    Type: Grant
    Filed: September 22, 2014
    Date of Patent: May 31, 2016
    Inventors: Timothy Ruchti, Alan Abul-Haj, Kevin Hazen
  • Patent number: 9351672
    Abstract: A noninvasive analyzer apparatus and method of use thereof is described using a plurality of sample illumination zones optically coupled to at least two optically stacked two-dimensional optical filter arrays. Sectioned pixels and/or zones of a detector array are optionally filtered for different light throughput and/or are passed through various pathlengths using the stacked two-dimensional optical filter arrays. Resulting pathlength resolved/wavelength controlled groups of spectra are subsequently analyzed to determine an analyte property.
    Type: Grant
    Filed: September 22, 2014
    Date of Patent: May 31, 2016
    Inventors: Timothy Ruchti, Alan Abul-Haj, Kevin Hazen
  • Publication number: 20160058340
    Abstract: A noninvasive analyzer apparatus and method of use thereof is described using a plurality of sample illumination zones optically coupled to at least two optically stacked two-dimensional optical filter arrays. Sectioned pixels and/or zones of a detector array are optionally filtered for different light throughput and/or are passed through various pathlengths using the stacked two-dimensional optical filter arrays. Resulting pathlength resolved/wavelength controlled groups of spectra are subsequently analyzed to determine an analyte property.
    Type: Application
    Filed: November 11, 2015
    Publication date: March 3, 2016
    Inventors: Timothy Ruchti, Alan Abul-Haj, Kevin Hazen
  • Publication number: 20150018644
    Abstract: A noninvasive analyzer apparatus and method of use thereof is described comprising a near-infrared source, a non-uniform detector array, and a photon transport system configured to direct photons from the source to the detector via an analyzer-sample optical interface. The non-uniform detector array provides a multitude of distinguishable optical pathlengths, couples to a plurality of optical transmission filters, couples to a plurality of light directing micro-optics, and/or couples to an array of light-emitting diodes.
    Type: Application
    Filed: October 1, 2014
    Publication date: January 15, 2015
    Inventors: Sandeep Gulati, Timothy Ruchti, Alan Abul-Haj, Thomas George, Kevin Hazen
  • Publication number: 20150011849
    Abstract: A noninvasive analyzer apparatus and method of use thereof is described using a plurality of sample illumination zones optically coupled to at least two optically stacked two-dimensional optical filter arrays. Sectioned pixels and/or zones of a detector array are optionally filtered for different light throughput and/or are passed through various pathlengths using the stacked two-dimensional optical filter arrays. Resulting pathlength resolved/wavelength controlled groups of spectra are subsequently analyzed to determine an analyte property.
    Type: Application
    Filed: September 22, 2014
    Publication date: January 8, 2015
    Inventors: Timothy Ruchti, Alan Abul-Haj, Kevin Hazen
  • Publication number: 20150011848
    Abstract: A noninvasive analyzer apparatus and method of use thereof is described using one or a plurality of sample illumination zones coupled to at least one two-dimensional detector array monitoring a plurality of detection zones. Control of illumination times and/or patterns along with selected detection zones yields pathlength resolved groups of spectra. Sectioned pixels and/or zones of the detector are optionally filtered for different light throughput as a function of wavelength. The pathlength resolved groups of spectra are subsequently analyzed to determine an analyte property. Optionally, in the mapping and/or collection phase, incident light is controllably varied in time in terms of any of: sample probe position, incident light solid angle, incident light angle, depth of focus, energy, intensity, and/or detection angle. Optionally, one or more physiological property and/or model property related to a physiological property is used in the analyte property determination.
    Type: Application
    Filed: September 22, 2014
    Publication date: January 8, 2015
    Inventors: Timothy Ruchti, Alan Abul-Haj, Kevin Hazen
  • Publication number: 20150011850
    Abstract: A noninvasive analyzer apparatus and method of use thereof is described comprising a near-infrared source, a detector, and a photon transport system configured to direct photons from the source to the detector via an analyzer-sample optical interface. The photon transport system includes a dynamically position light directing unit used to, within a measurement time period for a single analyte concentration determination, change any of: radius, energy, intensity, position, incident angle, solid angle, and/or depth of penetration of a beam of photons entering skin of a subject.
    Type: Application
    Filed: September 22, 2014
    Publication date: January 8, 2015
    Inventors: Timothy Ruchti, Alan Abul-Haj, Kevin Hazen, Vlad Novotny