Patents by Inventor Mark Hewco

Mark Hewco 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 performing intra-operative angiography
    Patent number: 8892190
    Abstract: Method for assessing the patency of a patient's blood vessel, advantageously during or after treatment of that vessel by an invasive procedure, comprising administering a fluorescent dye to the patient; obtaining at least one angiographic image of the vessel portion; and evaluating the at least one angiographic image to assess the patency of the vessel portion. Other related methods are contemplated, including methods for assessing perfusion in selected body tissue, methods for evaluating the potential of vessels for use in creation of AV fistulas, methods for determining the diameter of a vessel, and methods for locating a vessel located below the surface of a tissue.
    Type: Grant
    Filed: March 13, 2012
    Date of Patent: November 18, 2014
    Assignee: National Research Council of Canada
    Inventors: John C. Docherty, Mark Hewco, Gurpreet Mangat, Robert W. Flower, Seshadri M. Chari