Patents by Inventor Alexandr P. Predein

Alexandr P. Predein 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).

  • Automatic compression-distraction apparatus
    Patent number: 4615338
    Abstract: A drive of a compression-distraction apparatus, comprising a lead screw whose thread is mated with an opening of a ratchet wheel placed in a housing, a pawl interacting with teeth of the wheel and connected to a load-bearing element manufactured from an alloy possessing plastic memory. The load-bearing element has a rectilinear shape and is essentially a tie-rod whose one end is rigidly secured to the housing while the other end is coupled to a resilient member and the pawl, said load-bearing element being further provided with an electric heater connected to the housing.
    Type: Grant
    Filed: September 18, 1985
    Date of Patent: October 7, 1986
    Assignee: Kurgansky Nauchno-Issledovatelsky Institut Experimentalnoi I Klinicheskoi Ortopedii I Travmatologii
    Inventors: Gavriil A. Ilizarov, Alexandr P. Predein, Vyacheslav M. Bykov