Arthur A. Pilla, PhD develops a relatively low-powered PEMF device – a bone growth stimulator (BGS) – to heal recalcitrant factures.⁴ (1970)

FDA approves PEMF for the healing of nonunion fractures.⁵ (1979)

The Assisi LOOP’s patented signal targeting the upregulation of nitric oxide was developed by the late Dr. Arthur Pilla of Columbia University and cleared by the FDA for treating non-healing fractures.⁶ (1979)