FIELD: medicine.
SUBSTANCE: invention relates to medicine. Device includes central element (1), which has two distraction elements (2A, 2B). Said two distraction elements are installed with possibility of spreading in stepless way only along axial axis by means of their advancing movement and with possibility of their fixation.
EFFECT: invention provides possibility to correct degree of distraction continuously during implantation.
21 cl, 11 dwg
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