THORASYS Thoracic Medical Systems is a medical device company providing innovative products to diagnose and monitor Asthma, COPD and other respiratory diseases. Our tremoFlo C-100 AOS, the world's first handheld Oscillometry system, measures lung function without patient effort and provides a unique, clinically valuable assessment of small airway function. The tremoFlo is ideal to test patients with small airway disease and anyone unable to perform traditional tests, including young children and the elderly.