If you establish a good record of using it, they will stop checking. Some people think the vest is great, and some think it's not as good as old fashion CPT, mainly due to the upright positioning, versus laying tilted down, so the mucus can drain. Your own breath triggers the inspiration and expiration cycle. You still breathe at your own rate. It heats the stream of air and water to deliver large amounts of vapor.
Patients say it is very comfortable and it loosens secreations.
They just recieved their FDA approval and are ready to start producing units for both hospital and homecare use. Think of Vapotherm as a airway hygiene device. Use the large straw and blow as hard and long as you can. Blow until the bubbles flow out of the bottle. Do this over a sink or outside.