Extracorporeal shockwave therapy
Extracorporeal shockwave therapy (ESWT) is a treatment using powerful acoustic pulses, It is commonly used to treat kidney stones, in physical therapy, and in orthopedics. == History == Beginning in 1969, funded by the German Ministry of Defense, Dornier began a study of the effects of shock waves on tissue.
Source: Wikipedia — Extracorporeal shockwave therapy (CC BY-SA 4.0)