Patent ID: 6679257
Filing Date: 2004-01-20
Classification: A61M

Abstract:
A mouthpiece for delivering positive pressure gases to the oral cavity of a user comprising: a generally rectangularly-shaped vestibular shield having an inner surface and an outer surface, said vestibular shield having a predetermined height which will overlap a user's upper and lower teeth and gums when positioned in the mouth vestibule of a user, said vestibular shield having a central portion which will extend over a user's front teeth and gums when said central portion of said vestibular shield is positioned between the lips and the teeth of the user, and outer portions extending from said central portion which extend along and overlap at least a portion of the user's back teeth and gums when said outer portions of said vestibular shield are positioned between the cheeks and the teeth of the user, said vestibular shield in use sealing against the inner walls of the lips and/or cheeks of a user's mouth; and gases passageway means extending from said outer surface of said vestibular shield to said inner surface of said vestibular shield to allow said gases to flow through said mouthpiece; and a gases outlet adapted to expel said gases from said gases passageway means into the oral cavity of a user.