electromed, inc. is a minnesota-based company (nyse mkt: elmd) and the innovative leader in the development, manufacture, and worldwide sales of the smartvest® airway clearance system. the patented system uses high frequency chest wall oscillation (hfcwo), a better-tolerated alternative to chest physiotherapy (cpt), to deliver vigorous, yet comfortable airway clearance treatment for patients battling the consequences of retained secretions. hfcwo has been clinically proven to clear the lungs of excess mucus, improve and reduce lung infections for individuals suffering from various conditions including atelectasis, copd, bronchiectasis, neuromuscular diseases, and cystic fibrosis. electromed, inc. is accredited by the joint commission and is iso 13485:2003 and iso 9001:2008 certified.