Deep vein thrombosis (DVT) is a blood clot that forms in a vein deep in the body Blood clots occur when blood thickens and clumps together. Most deep vein blood clots occur in the lower leg or thigh. They also can occur in other parts of the body. DVT Single Chamber System is a clinically effective, non-invasive mechanical prophylaxis system designed to reduce the incidence of Deep Vein Thrombosis (DVT) during all types of major surgery including orthopedic, trauma, urological and general