Patents by Inventor Jean-Jacques Rolland

Jean-Jacques Rolland 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).

  • Centro-medullary nailing rod
    Patent number: 4928679
    Abstract: A centro-medullary nailing rod for treating bone fractures, the rod being generally in the form of a longitudinally split tube, and being characterized by the fact that it includes locking tongues (3-4; 5-6) suitable for preventing or limiting relative displacement between the two edges (20-21) of the slot (2) in the longitudinal direction, while allowing relative displacement thereof in the transverse direction. The invention improves the resistant of the rod to twisting.
    Type: Grant
    Filed: July 20, 1988
    Date of Patent: May 29, 1990
    Assignee: Landos Applications Orthopediques Francaises
    Inventors: Francis Chagneau, Michel Levasseur, Patrick Landanger, Frantz Langlais, Jean-Jacques Rolland