FIELD: medicine.
SUBSTANCE: device contains a universal handle, to which a shaft, containing an internal torsion bar, or the inner core of the tool can be connected. The torsion bar is connected to the torque transmission chain or the drive inside the handle through a split coupling that consists of a male and a female coupling piece. The male and female pieces are inserted one into the other. The shape of cross-section of the coupling pieces corresponds to the leaf of four-leaf clover.
EFFECT: reliability increase.
7 cl, 18 dwg
