Patents Examined by Ahmed Elhassan
  • Automatic registration of images
    Patent number: 7774036
    Abstract: The example embodiments relate to a system for automatically evaluating oxygen saturation of the optic nerve and retina, including an image capturing system which includes a fundus camera, a four wavelengths beam splitter, a digital image capturing device, a computer system, and image processing software for registering and analyzing multi-spectral images of the retina, and for evaluating oxygen saturation level.
    Type: Grant
    Filed: June 7, 2005
    Date of Patent: August 10, 2010
    Assignee: Oxymap EHF
    Inventors: Gisli Hreinn Halldorsson, Einar Stefansson, Jon Atli Benediktsson, Robert Arnar Karlsson, Sveinn Hakon Hardarson, Thor Eysteinsson, James M. Beach
  • Optimized wavelength gap for improved StO2 measurement
    Patent number: 7613489
    Abstract: A method and system for producing improved more accurate measurements of oxyhemoglobin levels in tissue when measured using near infrared spectroscopy (NIRS). Light sources and processing methods are selected to such that the effects of a confounding chromophore in the tissue under study are minimized.
    Type: Grant
    Filed: May 18, 2005
    Date of Patent: November 3, 2009
    Assignee: Hutchinson Technology Incorporated
    Inventor: Dean E. Myers