Patents by Inventor Robertus Johannes Theodorus Josephus Welten

Robertus Johannes Theodorus Josephus Welten 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).

  • Device for stripping veins
    Patent number: 6652549
    Abstract: A device for stripping veins (5), includes a catheter element (9) which extends in the axial direction from a proximal end to a distal end (10), wherein the distal end (10) is provided with cutting devices, with cutting elements (24), which are movable between a first or neutral position, in which the cutting elements (24) extend essentially in the axial direction of the catheter element (9), and a second or working position, in which the cutting elements (24) are directed outwards with respect to the catheter element (9).
    Type: Grant
    Filed: October 16, 2001
    Date of Patent: November 25, 2003
    Assignee: Le Maitre Vascular, Inc.
    Inventor: Robertus Johannes Theodorus Josephus Welten