The device (1) is useful for correcting unbalanced growth plate activity and for orthodontic appliances. It comprises a wire with: (i) a longitudinal central section (2), (ii) a first end (3) configured as a first loop (4), whose central axis (5) is transverse to the longitudinal central section (2)； and (iii) a second end (6) configured as a second loop (7) whose central axis (8) is transverse to central section (2) and wherein the first loop (4) is in the form of a first helix (9).
