Patent ID: 7451763

Claim:
A ventilator, comprising: a manifold having a shuttle valve passageway formed into the manifold; the shuttle valve passageway ending in a first sealing surface; the shuttle valve passageway coupled to a first inlet opening at the first sealing surface; a shuttle plug cap having a second sealing surface, where the shuttle plug cap is inserted into the shuttle valve passageway with the second sealing surface facing the first sealing surface, the shuttle plug cap forming a second inlet opening where the second inlet opening is coupled to the second sealing surface; an outlet opening intersecting with the shuttle valve passageway between the first and second sealing surfaces; a plug captured between the first and second sealing surfaces and configured to seal against the first and second sealing surfaces, the plug forming a seal against the first sealing surface when a pressure source is coupled to the second inlet opening, the plug forming a seal against the second sealing surface when a pressure source is coupled to the first inlet opening.