An orthopedic swivel screw (1) comprises a threaded shaft (4) and a tissue retainer (2), which elements are held together by a swivel joint.

cylindrical convex head screw pivot end

shouldered flat head screw pivot end

cylindrical flat head screw pivot end

shouldered convex head screw pivot end

cylindrical reinforced convex head screw pivot end

cylindrical reinforced flat head screw pivot end

90 degree countersunk flat head screw pivot end

120 degree countersunk flat head screw pivot end

90 degree countersunk convex head screw pivot end

120 degree countersunk convex head screw pivot end

The disclosure relates to a pin joint for eccentric screw pumps.

The support includes a boom pivot about which the boom is rotatable, the machining station being mounted on the boom remote from the boom pivot.

An orthopedic swivel screw (1) comprises a threaded shaft (4) and a tissue retainer (2), which elements are held together by a swivel joint.

The disclosed multicomputer architecture is also resilient to processor and backbone failures.