REPOSITION FIXATOR FOR INTRAMEDULLARY OSTEOSYNTHESIS OF LONG BONES

摘要

FIELD: medicine.SUBSTANCE: reposition fixator for the intramedullary osteosynthesis of the long bones comprises at least two coupled identical assemblies movable in relation to each other. Each of the above assemblies represents a bearing holder consisting of two portions pivotally connected by a screw clamp in the form of extended parallelepipeds - upper and lower. The upper parallelepiped comprises two pairs of through holes placed in mutually crossing planes. The paired through holes are arranged above each other, and one of the pairs comprises transosseous elements replaceable into another pair, including a rod - a hook and a rod - a pusher with a pointed tip movable along and about their long axes. From a side wall of the upper parallelepiped, there is a handle; from a side wall of the lower parallelepiped, there is a thread shank that is used to couple the bearing holder to a sliding bar to vary a distance in between and to rotate the bearing holder about its long axis. The identical assemblies of the device are coupled by a beam, a cross-bar and two parallel canals formed therefor in the sliding bar and having respective shapes and geometrical sizes. The cross-bar has a projection in its middle portion that is provided with an alternating thread on its outer surface from both sides of the projection; a canal counteracting with the thread has a mating internal thread.EFFECT: eliminating all the dislocations of the injured long bone fragments with higher reposition accuracy and reduced soft tissue injures within the fracture.2 dwg