Patent ID: 7819809

Claim:
A device for pivoting an ultrasound element assembly of a probe in an ultrasonic diagnosis apparatus, the probe including a base for supporting the ultrasound element assembly, the device comprising: a pivot shaft rotatably coupled to the base and supporting the ultrasound element assembly; a wire holder coupled to the pivot shaft; a driving motor mounted to the base and having a driving shaft; and a wire rope assembly including a housing connected to the driving shaft of the driving motor so as to be rotated therewith, the wire rope assembly including a torsion coil spring provided in the housing, the torsion coil spring having a first bent portion at a first end and a second bent portion at a second end, the first and second bent portions extending outside the housing, and the wire rope assembly also including first and second wire ropes, wherein a first end of the first and second wire ropes is connected to the wire holder and a second end of the first and second wire ropes is connected to the first and second bent portions, respectively.