Patent ID: 8684956

Claim:
A device for directing a liquid onto a plurality of surfaces of an oral cavity of a mammal, said device comprising, a chamber for maintaining said liquid proximate said plurality of surfaces, said chamber defined by front and rear inner walls and a base inner wall of said device, said base wall extending between said front and rear inner walls, but not comprising a rear gum-sealing membrane defining said chamber, said front and rear inner walls comprising a plurality of openings, a first manifold for containing a first portion of said liquid and providing said first portion to said chamber through said openings of said front inner wall, a second manifold for containing a second portion of said liquid and providing said second portion to said chamber through said openings of said rear inner wall, a first port for conveying said first portion of liquid to and from said first manifold, a second port for conveying said second portion of liquid to and from said second manifold; and means for providing an effective seal of said device within said oral cavity.