Patents by Inventor Seyed Mohammed Ali Mirnajafi Zadeh

Seyed Mohammed Ali Mirnajafi Zadeh 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).

  • Heart valve prosthesis
    Publication number: 20080154358
    Abstract: A heart valve prosthesis 4 for human implantation fabricated from bovine pericardial material which is harvested from a region of incipient low calcium content or other material, wherein pre-forming and fixing of the leaflets 5 of the valve to create a rapid change in direction of the surface modifies the stresses within the material leading to a reduction of the peak tensile stress magnitude and concomitant in-use calcification thereby to increase longevity of the valve,
    Type: Application
    Filed: July 28, 2007
    Publication date: June 26, 2008
    Inventors: Geoffrey Tansley, Seyed Mohammed Ali Mirnajafi Zadeh