Patents Assigned to Heinrich Ulrich
  • Patent number: 6015436
    Abstract: The implant includes of two end implant parts (1, 2) for positioning on the adjacent vertebrae and a center implant part (3) arranged therebetween, which is connected by a thread (4) with one of the end implant parts, whereby by turning the center implant part (3) the length of the implant can be altogether changed. The end implant parts (1, 2) form tubular sleeves (5', 5") with sleeve walls perforated by openings (6) and interengage axially with their sleeves (5', 5"), whereby they are guided on the sleeve walls to be axially slidable with respect to each other, as well as secured against mutual pivoting about the sleeve axis. The thread (4) is provided between the center implant part (3) and the end implant part (1) connected therewith by the thread and the center implant part (3) pivotable in the thread (4) is designed as an axial stop for the other end implant part (2).
    Type: Grant
    Filed: April 17, 1998
    Date of Patent: January 18, 2000
    Assignee: Heinrich Ulrich
    Inventor: Helmut Schonhoffer
  • Patent number: 5571190
    Abstract: An implant for spinal column resection stabilization or fixing has a pin with points lodged in vertebrae of the column and onto which an implant body composed of segments can be slid transversely so that a groove of the body receives the pin. The segments of the body are locked together with tooth crowns and can be rotated relatively to offset the mouths of the grooves.
    Type: Grant
    Filed: August 11, 1994
    Date of Patent: November 5, 1996
    Assignee: Heinrich Ulrich
    Inventors: Heinrich Ulrich, Oleg J. P. Wolf
  • Patent number: 5571192
    Abstract: A spinal implant for engagement in a space left by ablation of a vertebral body between a pair of adjacent vertebrae has a tubular center element extending along an axis and a pair of end elements. The center element is formed with upper and lower screwthreads of opposite hand and with a plurality of radially throughgoing apertures. The upper and lower tubular end elements are each formed with a plurality of radially throughgoing apertures, each have a circular-section inner end threaded onto a respective one of the screwthreads, and each have an outer end adapted to bear on a respective one of the adjacent vertebrae.
    Type: Grant
    Filed: July 3, 1995
    Date of Patent: November 5, 1996
    Assignee: Heinrich Ulrich
    Inventor: Helmut Schonhoffer