The group's principal activities are to develop, manufacture and market a proprietary medical system to treat post-operative edema and pain in acute and chronic wounds. The grooup markets its product under the trademark diapulse, that produces non-thermal pulsed high-frequency and high-peak power electromagnetic energy to treat patients. The group's product is marketed and rented to hospitals, nursing facilities, outpatient clinics, physicians' practices and prescribed for use in patients' homes throughout the United States.