A forehead support device for a breathing mask includes a forehead support portion adapted to contact a forehead region of a user, a conduit element adapted to couple a respiratory gas conduit to the breathing mask, and a coupling structure provided between the forehead support portion and the conduit...http://www.google.fr/patents/US7992559?utm_source=gb-gplus-shareBrevet US7992559 - Breathing mask arrangement as well as an application device and a forehead support device for same
Breathing mask arrangement as well as an application device and a forehead ...
