Patent ID: 6129727
Filing Date: 2000-10-10
Classification: A61B

Abstract:
An orthopaedic fixation apparatus comprising:a) an upper ring having a central opening, inner and outer ring surfaces and upper and lower ring surfaces;b) a lower ring having a central opening, inner and outer ring surfaces and upper and lower ring surfaces;c) a plurality of struts that span between the rings for holding the rings apart in desired ring positions;d) a plurality of position adjusting members that each form an interface between one of the rings and one end of one of the struts, each position adjusting member having end portions, one end portion forming a connection to a ring, the other end portion being connected to a strut;e) each position adjusting member having an articulating connecting portion that forms an interface between an end of a strut and a ring; andg) wherein each of the position adjusting members is configured to increase the distance between one end of a strut and one of the rings.