Patents by Inventor Zheng Hoi Cheng

Zheng Hoi Cheng 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).

  • Publication number: 20040167608
    Abstract: The present invention provides a medical vascular stent that the support force in the diametrical direction is large, and the stent is hardly depressed during expansion in the diametrical direction, and the lumen wall is little stimulated during expansion, and the stent is not contracted in the axial direction. The medical vascular stent is a medical stent formed in a tubular shape by a metallic string net, and the metallic string net is structured so that a plurality of star-shaped cells 11 to 14 mutually connected in the circumferential direction are set as a net unit in the axial direction and a plurality of such units 15 to 21 are arranged in the axial direction, and the net units in the axial direction are mutually connected by connection of the respective star-shaped cells, constituting the net units in the neighboring axial directions, in the axial direction.
    Type: Application
    Filed: April 30, 2003
    Publication date: August 26, 2004
    Inventor: Zheng Hoi Cheng