Patents by Inventor Hans-Rainer Willmen

Hans-Rainer Willmen 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: 5868744
    Abstract: An electrosurgical instrument is useful for therapeutic treatment of varices, especially small varicose dilatations of the cutaneous veins. A surgical instrument is provided for rapid, reliable and minimally discomforting therapy of small varicose dilatations of the cutaneous veins and similar disorders, ensuring the lowest possible rate of recidivism while minimizing side effects. The instrument has two fork-shaped protruding needle electrodes which connect to different poles of an electrical power source and which are each partially enclosed in an electrical insulating layer. The forward tip region of the needle electrodes is left open.
    Type: Grant
    Filed: October 25, 1996
    Date of Patent: February 9, 1999
    Inventor: Hans-Rainer Willmen
  • Patent number: 4796603
    Abstract: The invention relates to a pad-like implant of resorbable material for the treatment of hernias, which comprises a cushion-like or hose-like body closed on all sides, whose outer sleeve comprises a knitted or woven hose of resorbable fibres or filaments or a perforated film of resorbable material, which is filled with a filling of threads, filaments, flocks or shreds of the same or a different resorbable material.
    Type: Grant
    Filed: September 4, 1987
    Date of Patent: January 10, 1989
    Assignee: Ethicon, Inc.
    Inventors: Hermann Dahlke, Hans-Rainer Willmen