This article reports on the efficacy of a Russian electromagnetic stimulation apparatus termed “Cascade.” The authors state that data from 508 patients suffering from various ailments who were treated with the device indicate it to be anywhere from 75 to 100 percent effective. Examples of conditions in which the device was used include stubborn fractures, post-traumatic contractures,
crush syndrome, and Perthes’ disease.

S.A. Schastnyi, et al., “A Contact-Free, Biologically Adequate Electromagnetic Stimulation of Repair Regeneration of Osseous, Cartilaginous, and Muscular Tissues in Children,” Vestn Ross Akad Med Nauk, (3), 1994, p. 38-42.