A device for delivering respiratory gas directly into the nose of a user, for example for use in the treatment of sleeping disorders, in particular sleep apnea. This device for delivering respiratory gas directly into the nose of a user includes a hollow elastic membrane insertable into a nostril of...http://www.google.sh/patents/US8127767?utm_source=gb-gplus-sharePatent US8127767 - Device for delivering respiratory gas directly into the nose of a user
