Patents Assigned to Bernd Schafer
  • Extendable spinal implant and extension tool
    Patent number: 7056343
    Abstract: An extendable spinal implant has a first outer sleeve and a second outer sleeve coaxially disposed thereto. An inside drive element is connected by means of screws to at least one of the outer sleeves. The inside drive element has an outside thread, and the outer sleeve that is connected to the drive element has an inside thread that fits on the outside thread. The inside drive element rests on a supporting ring, and is rotatably driven with respect to the supporting ring.
    Type: Grant
    Filed: January 30, 2003
    Date of Patent: June 6, 2006
    Assignee: Bernd Schafer
    Inventors: Bernd Schäfer, Thilo Trautwein
  • Bone screw
    Publication number: 20020116001
    Abstract: The invention concerns a bone screw comprising a screw shaft and a forked head into which a correction rod can be fixed. The forked head bears a nut which is connected to the forked head by a bayonet joint.
    Type: Application
    Filed: February 6, 2002
    Publication date: August 22, 2002
    Applicant: Bernd Schafer
    Inventors: Bernd Schafer, Henry Halm