Pulmonx Corporation is a commercial-stage medical technology company that provides a minimally invasive treatment for patients with severe emphysema, a form of chronic obstructive pulmonary disease. Its offerings include the Zephyr Endobronchial Valve and the Chartis Pulmonary Assessment System, a balloon catheter and console system with flow and pressure sensors used to assess collateral ventilation. The company also provides the LungTraX Platform, a cloud-based quantitative computed tomography analysis service with products such as LungTraX Connect, LungTraX Detect, and the StratX Lung report. It serves emphysema patients in the United States, Europe, the Middle East, Africa, the Asia Pacific, and internationally. Formerly known as Pulmonx, it changed its name to Pulmonx Corporation in December 2013, was incorporated in 1995, and is headquartered in Redwood City, California.