Patent ID: 8881734

Claim:
A method of fitting a conduit for fluid along a dual cheek pathway in a user's mouth, said mouth having lips, a tongue, a palate, two cheek-side pathways, two rear-jaw gaps, and a rear-mouth cavity, said method comprising: providing said conduit, wherein said conduit comprises at least two rigid sections, at least one flexible section disposed between said rigid sections, at least two open ends, a conduit wall with at least one hole in said wall, and a passageway for fluid between said open ends and said hole; placing said conduit in the user's dual cheek pathways such that said open ends are disposed outside the user's mouth, and said rigid sections are disposed between the user's lips and along the user's respective dual cheek-side pathways from the user's lips to the user's respective rear-jaw gaps; and fitting said conduit to pass through the user's rear-jaw gaps and to span over the user's tongue between the user's rear-jaw gaps, and to dispose said hole in said conduit wall into the airspace in the user's rear-mouth cavity, thereby establishing dual cheek conduits for allowing fluid to flow between positions outside the user's lips and the user's rear-mouth cavity.