Patents by Inventor Kris Kristofferson

Kris Kristofferson 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).

  • Stent delivery system
    Patent number: 6786918
    Abstract: The present invention is a device for delivering a self-expanding stent. The device has an inner and an outer shaft moveable with respect to the inner shaft. The self expanding stent is received on the inner shaft adjacent its distal end. A tapered tip is located on the inner shaft distal end and it forms a smooth transition from the deliver y device to the guide wire extending therethrough. A handle allows the practitioner to deploy the stent single handedly. The stent may have its segments in a first radial configuration for deliver of the stent or the stent may have a plurality of segments in a first radial configuration and a plurality of second segments in a second radial position.
    Type: Grant
    Filed: October 17, 2000
    Date of Patent: September 7, 2004
    Assignee: Medtronic Vascular, Inc.
    Inventors: Mike Krivoruchko, William Berthiaume, Don Tran, Kris Kristofferson, Erik Griswold, Vance Swanson, Somboune Singkeo, Fertac Bilge, Sean Miller