A plurality of compression pin fasteners connects the first and second tubings.

The moulding worm passes through a core hole of the loading worm along the axis thereof.

The worms are turned by different electric motors.

A bone plate (20, 20A) having a plurality of openings for receiving a compression bone screw (24) or a cortical screw (25).

The compression bolt (43) may be adjusted periodically as the trailer ages through use.

In particular, the invention relates to a compression bone screw suitable for stabilizing a fractured bone.

The compacting device has a compressing screw (36, 37) located in a housing (32, 39).

A nut (44) threadably engages the compression bolt to draw the movable hanger bracket toward the compression plate (22) thereby applying a compressive force to the elastomeric bushing.

A system for orthopedic repair of bones, the system may include a compression screw.

By means of a compression screw which is inserted into the longitudinal threaded hole the tibia can be compressed.

A compression screw assembly (24) serves to operably secure the guide to the anchor such that the bone portions secured to each are maintained in compressive relationship.

At least one compression screw (7, 24) goes through openings (32) of the upper and lower compression wedges (9, 10, 25) and through a slot (34) in the middle compression wedge (11, 26).

A compression screw comprising a threaded shaft and a head associated with the proximal end of the shaft.

A gear transmission system is provided between the electric motor and the dough pressing screw and stirring rotating shaft.

Essentially, the interplay of forces is distributed and organized by means of a multiplier disc (5), a traction screw (6), a compression screw (7) and a toothed base plate (10).