Patent ID: 8608740

Claim:
An external fixator system comprising at least one fixation plate having an upper surface, a lower surface and at least one opening extending through said plate from the upper surface to the lower surface, at least one pin or wire to be attached to said fixation plate, a bolt adapted to attach said pin, said bolt comprising: a shaft having a threaded section, a head section and a pin opening that is arranged opposite the threaded section and is adapted to accommodate and to clamp the pin or wire to said plate, said pin opening having at least two edges extending essentially along the same direction as the pin opening such that the pin or wire to be clamped is in contact with said edges, wherein said edges are arranged within said opening and a nut which corresponds to the threaded section of the bolt; wherein the bolt extends through said opening in the plate and clamps the pin or wire by means of said pin opening with the edges and a surface of the fixation plate; and wherein the pin or wire is in direct contact with said surface of said plate.