Pulmonx Corporation
Medical Equipment ManufacturingCalifornia, United States201-500 Employees
Pulmonx Corporation is a mid-sized medical device company based in Redwood City, California, focused on developing minimally invasive therapies for severe lung disease. It is best known for the Zephyr Endobronchial Valve, a one-time bronchoscopic treatment for hyperinflation in adults with severe emphysema, performed without incisions. The procedure typically involves placing several small valves in targeted airways to block diseased parts of the lung, allowing trapped air to escape and reducing hyperinflation so healthier lung tissue can expand and improve breathing. In addition to its therapeutic indication for adult patients with hyperinflation due to severe emphysema in regions of the lung with little collateral ventilation, use is restricted to trained physicians and guided by established indications and cautions. Potential complications include pneumothorax, worsening COPD symptoms, hemoptysis, pneumonia, dyspnea, and, in rare cases, death. The company maintains active engagement with the healthcare community, including participation in industry conferences and investor events in 2025–2026.
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