Patents by Inventor Carl J. Ryals

Carl J. Ryals 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).

  • Method and apparatus for displaying data in a medical imaging system
    Patent number: 5803914
    Abstract: A system for acquisition, processing and display of gated SPECT imaging data for use in diagnosing Coronary Artery Disease (CAD) in nuclear medicine. The present invention provides a physician with two parameters for evaluating CAD: information relating to the distribution of blood flow within the myocardium (perfusion) and information relating to myocardium wall motion (function). One aspect of the present invention provides the physician with a display of functional images representing quantitative information relating to both perfusion and function with respect to selected regions of interest of the subject heart at end-diastole and end-systole segments of the cardiac cycle. The functional display consists of arcs of varied width depending on wall motion and color coded to illustrate degrees of myocardial perfusion for different pie shaped sections of a selected region of interest within a given short axis slice of reconstructed volume data.
    Type: Grant
    Filed: October 3, 1996
    Date of Patent: September 8, 1998
    Assignee: ADAC Laboratories
    Inventors: Carl J. Ryals, Stanley H. Wong, Edward M. Goldberg, Robert C. Hudson
  • Method and apparatus for information acquistion, processing, and display within a medical camera system
    Patent number: 5431161
    Abstract: A system for acquisition, processing and display of gated SPECT imaging data for use in diagnosing Coronary Artery Disease (CAD) in nuclear medicine. The present invention provides a physician with two parameters for evaluating CAD: information relating to the distribution of blood flow within the myocardium (perfusion) and information relating to myocardium wall motion (function). One aspect of the present invention provides the physician with a display of functional images representing quantitative information relating to both perfusion and function with respect to selected regions of interest of the subject heart at end-diastole and end-systole segments of the cardiac cycle. The functional display consists of arcs of varied width depending on wall motion and color coded to illustrate degrees of myocardial perfusion for different pie shaped sections of a selected region of interest within a given short axis slice of reconstructed volume data.
    Type: Grant
    Filed: April 15, 1993
    Date of Patent: July 11, 1995
    Assignee: ADAC Laboratories
    Inventors: Carl J. Ryals, Stanley H. Wong, Edward M. Goldberg, Robert C. Hudson