OSTEOTOMY APPARATUS Russian patent published in 2009 - IPC A61B17/16 

FIELD: medicine.

SUBSTANCE: invention refers to medical equipment and can be used in orthopaedics and traumatology, particularly for solution of bone continuity. An apparatus accommodates two opposite guided chisels. It is provided with a brace and a ring sector of being interconnected, adjustable and fixed with a ring sector notched slide block fixed on the brace. The guides are mounted on the brace ends equipped with pointers and an indexing mechanism. At least one guide is provided with a moving mechanism comprising an in-built worm-and-worm gear and turn-stable threaded bush holed for the chisel. The bush moves in a threaded hollow centre of a worm gear. An output shaft of the worm comprises an actuating unit mounted. The chisels include a hollow centre for a guide pin and threads with adjusting nuts.

EFFECT: there are provided optimal conditions for bone cutting and ease.

3 cl, 8 dwg