Patents by Inventor Brook Q. Ren

Brook Q. Ren 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).

  • Over-the-wire catheter with improved trackability
    Patent number: 5891110
    Abstract: A catheter is disclosed which includes an over-the-wire type balloon catheter with a guide wire wherein the catheter includes a polyethylene inner tube and an outer tube having a relatively stiff proximal outer section, a midshaft section of lesser stiffness, and a tapering distal outer section of the least stiffness. An inflatable balloon is connected to the distal ends of the inner tube and the outer tube. The guide wire may be removed from and inserted into the guide wire lumen at either end of the catheter.
    Type: Grant
    Filed: October 15, 1997
    Date of Patent: April 6, 1999
    Assignee: SciMed Life Systems, Inc.
    Inventors: Christopher R. Larson, Brook Q. Ren, Tim Stivland, Mirna A. Slayhi