Living with chronic obstructive pulmonary disease (COPD) can be extremely difficult. A new medical device called Zephyr, which is working miracles in some people. The tiny lung valve needs to be  implanted in the lungs via a bronchoscope. The one-way valve blocks air from invading the damaged part of the lungs, where it can get trapped and hinder breathing. “The instant I woke up from anesthesia, I felt the difference,†said one woman who had the device implanted. Cardio Pulmonary Associates on Garden Road in Monterey would have more information on the non-surgical device which 20K people have already been treated with.
https://www.aarp.org/health/conditions-treatments/info-2020/lung-disease-breakthrough.html