The Chartis Pulmonary ventilation function tester is suitable for the bronchoscopy of patients. It is used to check whether there is bypass ventilation between the pulmonary lobes of patients with COPD and emphysema through the supporting special catheter and fittings and other consumables. The Chartis® System provides precise flow and pressure readings for specific lobes in the lung to assess absence of collateral ventilation, which is a predictor of response to treatment.For detailed product information, the official product registration/licensing documentation for the respective market should be consulted.