Patents by Inventor Ulrike Lindner

Ulrike Lindner 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).

  • Spreader for aortic valve reconstruction
    Patent number: 8523769
    Abstract: A spreader for aortic valve reconstruction having a dimensionally stable ring and three retractor arms comprising, respectively, a stem and a blade, with the blade being distally disposed on the stem, and wherein the retractor arms are disposed, offset relative to each other by respectively 120° in the direction of circumference of the ring, on said ring, and wherein the stems of the retractor arms are substantially aligned as perpendicular relative to the plane of the ring, and wherein the retractor arms are supported on the ring in such a way by the proximal end of their stems that they can be radially moved relative to each other toward the inside and radially expanded by the spring force of the ring.
    Type: Grant
    Filed: March 14, 2011
    Date of Patent: September 3, 2013
    Assignee: Fehling Instruments GmbH & Co. KG
    Inventors: Gerald Fehling, Ulrike Lindner
  • Spreader for Aortic Valve Reconstruction
    Publication number: 20110237903
    Abstract: A spreader for aortic valve reconstruction having a dimensionally stable ring and three retractor arms comprising, respectively, a stem and a blade, with the blade being distally disposed on the stem, and wherein the retractor arms are disposed, offset relative to each other by respectively 120° in the direction of circumference of the ring, on said ring, and wherein the stems of the retractor arms are substantially aligned as perpendicular relative to the plane of the ring, and wherein the retractor arms are supported on the ring in such a way by the proximal end of their stems that they can be radially moved relative to each other toward the inside and radially expanded by the spring force of the ring.
    Type: Application
    Filed: March 14, 2011
    Publication date: September 29, 2011
    Applicant: FEHLING INSTRUMENTS GMBH & CO. KG
    Inventors: Gerald Fehling, Ulrike Lindner