- A correction ball for varus and A correction ball-band set for varus

摘要

It is an object of the present invention to provide an artificial leg correction ball and an X-legged orthodontic ball-and-bend set which can calibrate the artificial leg with a straight leg by the user alone. To achieve these and other advantages and in accordance with the purpose of the present invention, as embodied and broadly described herein, the present invention includes a top surface portion, a bottom surface portion, a front surface portion, a rear surface portion, and a side portion formed as a concave groove, Wherein the concave groove formed in the side portion is provided in a curved shape having a predetermined curvature and is formed to enter inward from the rim of the concave groove towards the central portion. Provides a set of bands.