Patent ID: 7708738
Filing Date: 2010-05-04
Classification: A61B,Y10S

Abstract:
1. An osteosynthesis and compression screw for coaptation of small bone fragments, the screw being formed by a single longitudinal body having a longitudinal axis, and comprising: a proximal portion formed by a screw head provided with an outside thread, said proximal portion being of diameter greater than the diameter of the remainder of the screw; an intermediate portion having no thread; and a distal portion provided with an outside thread; wherein: each of the screw head and the distal portion includes at least one helical groove, firstly extending over the entire axial length of its thread, and secondly being formed through each thread in such a manner to form tapping means; and the terminal zone of the distal portion is provided with preparation means for preparing a housing in the bone fragments for receiving the intermediate and distal portions of the screw and, wherein said screw is used for coaptation of bone fragments in the step of: compressing said bone fragments together by the insertion and turning of said screw.