Patents by Inventor Michael Charles Riopel

Michael Charles Riopel 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).

  • Patent number: 7294117
    Abstract: A catheter having one or more radially expanded portions that comprise a guidewire lumen. The guidewire lumen and the main lumen of the catheter are not separate and share the same fluid space. The catheter maintains a large, circular lumen for aspiration or delivery. The catheter is made by lacing a guidewire lumen mandrel through openings made in the catheter shaft and then forcing the shaft to expand radially to create a guidewire lumen.
    Type: Grant
    Filed: August 20, 2004
    Date of Patent: November 13, 2007
    Assignee: Medtronic Vascular, Inc.
    Inventors: Michelle Provost-tine, Michael John Papa, Michael Charles Riopel