Patents by Inventor Hartmut R. A. Seidel

Hartmut R. A. Seidel 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).

  • Bone nail
    Patent number: 5441500
    Abstract: A bone nail for upper arm fractures, including a hollow first shank adapted to be inserted into the proximal end portion of a medullary canal, the first shank having a distal end that has a slotted portion provided with a plurality of slots and an internal thread extending beyond the slotted portion.
    Type: Grant
    Filed: January 30, 1992
    Date of Patent: August 15, 1995
    Assignee: Howmedica GmbH
    Inventors: Hartmut R. A. Seidel, Andreas W. Speitling
  • Bone nail for the treatment of upper arm fractures
    Patent number: 4858602
    Abstract: A bone nail for the treatment of upper arm fractures comprises a hollow shank adapted to be introduced into the medullary canal and slotted at the distal end, and an expansion screw adapted to be advanced into the shank through rotation of the screw so as to radially expand the slotted end of the shank. An inner thread is formed on the inner wall of the shank outside the slotted region for cooperation with the expansion screw. At least in the slotted region, the cross sectional profile of the shank is provided with alternating elevations and depressions on the inner surface of the wall of the hollow shank.
    Type: Grant
    Filed: November 28, 1986
    Date of Patent: August 22, 1989
    Assignee: Howmedica GmbH Werk Schonkirchen
    Inventors: Hartmut R. A. Seidel, Hans E. Harder, Klaus F. A. Behrens