Breathing device for patients with breathing difficulties comprises a controllable valve and a breathing mask

摘要

Breathing device comprises a controllable valve (6). Preferred Features: The device has a patient interface formed as a breathing mask with a mask body (7) having an inner region and an outer region and a mask bulb (13) coupled to the mask body for sealing the device from the face region of the patient. The valve adjust the mask inner pressure and the exhaled air flow.