Patents by Inventor James M. Rioux

James M. Rioux 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).

  • Non-invasive measurement of blood components using retinal imaging
    Patent number: 6477394
    Abstract: Illuminating light of selected wavelengths in the visible or infrared range is projected through the pupil of the eye onto the fundus, and the light reflected back and out through the pupil is detected and analyzed, preferably using the area of the optic disk for analyzing the retinal vessels overlying the optic disk. Specific wavelengths of illuminating light may be chosen for each blood component to be analyzed depending on the spectral characteristics of the substance being analyzed. The reflected image from the retina may be used to measure non-photoreactive blood components such as hemoglobin, and photoreactive components such as bilirubin. For the measurement of photoreactive components, images may be taken before and after, or during, illumination of the eye with light at wavelengths which will affect the photoreactive analyte, enabling measurements of the concentration of the analyte.
    Type: Grant
    Filed: September 12, 2001
    Date of Patent: November 5, 2002
    Assignee: Fovioptics, Inc.
    Inventors: Mark J. Rice, Robert H. Sweat, Jr., James M. Rioux, William T. Williams, Wilson Routt
  • Non-invasive measurement of blood components using retinal imaging
    Publication number: 20020072658
    Abstract: Illuminating light of selected wavelengths in the visible or infrared range is projected through the pupil of the eye onto the fundus, and the light reflected back and out through the pupil is detected and analyzed, preferably using the area of the optic disk for analyzing the retinal vessels overlying the optic disk. Specific wavelengths of illuminating light may be chosen for each blood component to be analyzed depending on the spectral characteristics of the substance being analyzed. The reflected image from the retina may be used to measure non-photoreactive blood components such as hemoglobin, and photoreactive components such as bilirubin. For the measurement of photoreactive components, images may be taken before and after, or during, illumination of the eye with light at wavelengths which will affect the photoreactive analyte, enabling measurements of the concentration of the analyte.
    Type: Application
    Filed: September 12, 2001
    Publication date: June 13, 2002
    Applicant: Fovioptics, Inc.
    Inventors: Mark J. Rice, Robert H. Sweat, James M. Rioux, William T. Williams, Wilson Routt
  • Non-invasive measurement of blood component using retinal imaging
    Patent number: 6305804
    Abstract: Illuminating light of selected wavelengths in the visible or infrared range is projected through the pupil of the eye onto the fundus, and the light reflected back and out through the pupil is detected and analyzed, preferably using the area of the optic disk for analyzing the retinal vessels overlying the optic disk. Specific wavelengths of illuminating light may be chosen for each blood component to be analyzed depending on the spectral characteristics of the substance being analyzed. The reflected image from the retina may be used to measure non-photoreactive blood components such as hemoglobin, and photoreactive components such as bilirubin. For the measurement of photoreactive components, images may be taken before and after, or during, illumination of the eye with light at wavelengths which will affect the photoreactive analyte, enabling measurements of the concentration of the analyte.
    Type: Grant
    Filed: March 24, 2000
    Date of Patent: October 23, 2001
    Assignee: Fovioptics, Inc.
    Inventors: Mark J. Rice, Robert H. Sweat, Jr., James M. Rioux, William T. Williams, Wilson Routt