Bicompression external fixator for osteosynthesis

Abstract From the Canadian patent

An external fixator comprising two groups of pins each holding a bone fragment, and a telescopic piece comprising an internal bar and an external bar, each pin group being connected to one of the internal and external bars. The device is characterized in that one of the bars includes first guiding means destined to cooperate with corresponding second guiding means at least indirectly dependent on the other bar said first, and second guiding means being separated from each other by roller sliding means intended to reduce friction during relative movement of the bars. The guiding means comprise at least one longitudinal flat surface made in one of the bars and capable of being arranged …