Biomet, Inc.

Walter Lorenz Surgical, Inc.

Dean R Golden

Mark Victor Vandewalle

Jeffrey Allen Duncan

Barry L Eppley

Manuel DuJovny

A method and apparatus for ultrasonic removal of bone cement material includes an auger tool and an ultrasonic transducer/hand piece. The auger tool includes a spiral helical flute which extends about a cylindrical body and a quick connect mechanism for coupling the auger tool to the ultrasonic transducer/hand piece. Upon energizing the hand piece, bone cement is heated to a flowing mass so that the flowing mass of bone cement may flow about the cylindrical body and guided, via the spiral helical flute,. This provides a method and apparatus for easily and quickly removing bone cement material during a revision type orthopedic surgical procedure.

Method and apparatus for ultrasonic removal of bone cement material

The invention relates to an apparatus and method for stabilization of a shunt relative to a bone. The apparatus includes a body member and a plurality of attachment members forming a part of the body member. Each of the attachment members are operable to receive a bone screw so as to secure the body member to the bone. A plurality of movable fingers are movably attached to the body member. The plurality of movable fingers are adapted to engage and stabilize various size shunts relative to the bone.

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Warsaw, IN, United States of America

Dean R Golden