Patents by Inventor Ralf Kolvenbach

Ralf Kolvenbach 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).

  • Publication number: 20090240262
    Abstract: Embodiments of the present invention are directed to devices, systems and methods (both in operation of the devices and systems, and methods of treatment on a mammal) for affixing a prosthesis, e.g. graft to a first end and to a second end of a vessel is described. Such embodiments include a device which may comprise a rear handle portion, a frontal working portion and an intermediate barrel portion. The working portion may be loaded with a first plurality of staples and with a second plurality of staples. The barrel portion is preferable adapted to carry the graft thereon and the device is preferably provided with a pushing rod which may be displaceable along the barrel portion so as to cause protrusion of the first and the second plurality of staples towards the first end and towards the second end of the vessel respectively.
    Type: Application
    Filed: March 20, 2008
    Publication date: September 24, 2009
    Applicant: ES Vascular, Ltd.
    Inventors: Edward G. SHIFRIN, Mordehi D. SHVARTSMAN, Mark A. UMANSKY, Ralf KOLVENBACH, Ilya SITNITSKY
  • Publication number: 20080243223
    Abstract: A device for affixing a tubular medical accessory to a wall of a body passage is disclosed. The said device comprises a handle portion, a barrel portion and a working head portion, said barrel portion is fitted with a pushing rod displaceable along the barrel portion upon actuating the handle portion. The working head portion is fitted with a plurality of wings and levers and said wings are preloaded with a plurality of staples. Upon initial displacement of the pushing rod in a distal direction the wings are swiveled towards the medical accessory such that they abut it and stretch it together with the body passage in a radial direction. Upon still further displacement of the pushing rod the levers are swiveled and cause the staples to exit from the wings such that the staples pierce the accessory and the wall of the body passage and affix the accessory to the body passage.
    Type: Application
    Filed: March 4, 2008
    Publication date: October 2, 2008
    Applicant: ES Vascular, Ltd.
    Inventors: Edward G. Shifrin, Mordehi D. Shvartsman, Mark A. Umansky, Ralf Kolvenbach
  • Patent number: 5475002
    Abstract: The use of 1-(5-oxohexyl)-3-methyl-7-n-propylxanthine or of physiologically tolerated salts of this compound for the preparation of pharmaceuticals for the prophylaxis and treatment of nerve damage after interruption of the blood circulation is disclosed.
    Type: Grant
    Filed: November 22, 1993
    Date of Patent: December 12, 1995
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Viera Danielisova, Ralf Kolvenbach, Hans-Peter Schubert, John Grome, Ernst J. Schneider