Patent ID: 8454624

Claim:
A suction device for vacuum removal of a lodged mass from the throat of a victim, said device comprising: a manifold, said manifold comprising first, second, and third conduits being in fluid communication with each other; said second conduit terminating in an outlet orifice in a mouthpiece portion of said manifold; a spool, said spool comprising an orifice, said spool being slidably disposed in said third conduit and moveable between a first position where said orifice permits fluid communication between said first conduit and said second conduit, and a second position where said spool blocks fluid communication therebetween; a piston, said piston being slidably disposed within said first conduit and moveable therein between a first end and a second end of said first conduit; a latch; said latch permitting said piston to be secured relative to said manifold at one or more discrete positions between said second end and said first end; and wherein when said spool is in said second position, and said piston is moved and latched to create a measured amount of vacuum pressure in said first conduit, said vacuum pressure being transmitted to said mouthpiece by moving said spool to said first position.