SAN DIEGO--(BUSINESS WIRE)--DJO Global, Inc., (“DJO” or the “Company”) a leading provider of medical device solutions for musculoskeletal health, vascular health and pain management, today announced the launch of the Empi Active™ Knee TENS System to treat knee pain, a condition which may affect more than 19 million Americans. Transcutaneous Electrical Nerve Stimulation (TENS) uses comfortable electrical stimulation to inhibit pain signals from reaching the brain thus effectively blocking the pain sensation.