Abstract: A medical mouthpiece may include a U-shaped first member having a tubular portion, the first member forming at least one lateral interocclusal passageway extending through the first member, and a second member received within the tubular portion. A medical breathing apparatus may include a U-shaped first member forming left and right lateral interocclusal passageways extending through the first member, a second member attached to the first member, and an adapter receivable within a tubular portion of the first member, wherein the adapter includes a respiratory orifice configured to deliver respiratory gas to the left and right lateral interocclusal passageways. A method for delivering positive pressure and/or a respiratory gas to a patient may include inserting a mouthpiece into a mouth of the patient, and delivering the positive pressure and/or the respiratory gas through the mouthpiece to a space adjacent a posterior oropharynx of the patient.

Abstract: A medical mouthpiece may include a generally U-shaped member forming a lateral interocclusal passageway extending from an anterior aperture to a posterior aperture configured to provide a conduit for respiratory gas exchange. A medical mouthpiece may include a sampling port for fluid communication with an analyzing apparatus configured to analyze exhaled respiratory gases. A medical mouthpiece may include a supplemental gas conduit for fluid communication between a source of supplemental gas and a supply orifice. A method for delivering a gas to a patient may include delivering a gas to the patient through a mouthpiece having a lateral interocclusal passageway such that the gas is delivered through a posterior aperture to a space adjacent the patient's posterior oropharynx.

Abstract: A medical mouthpiece may include a generally U-shaped member forming a lateral interocclusal passageway extending from an anterior aperture to a posterior aperture configured to provide a conduit for respiratory gas exchange. A medical mouthpiece may include a sampling port for fluid communication with an analyzing apparatus configured to analyze exhaled respiratory gases. A medical mouthpiece may include a supplemental gas conduit for fluid communication between a source of supplemental gas and a supply orifice. A method for delivering a gas to a patient may include delivering a gas to the patient through a mouthpiece having a lateral interocclusal passageway such that the gas is delivered through a posterior aperture to a space adjacent the patient's posterior oropharynx.

Abstract: A medical mouthpiece may include a U-shaped first member having a tubular portion, the first member forming at least one lateral interocclusal passageway extending through the first member, and a second member received within the tubular portion. A medical breathing apparatus may include a U-shaped first member forming left and right lateral interocclusal passageways extending through the first member, a second member attached to the first member, and an adapter receivable within a tubular portion of the first member, wherein the adapter includes a respiratory orifice configured to deliver respiratory gas to the left and right lateral interocclusal passageways. A method for delivering positive pressure and/or a respiratory gas to a patient may include inserting a mouthpiece into a mouth of the patient, and delivering the positive pressure and/or the respiratory gas through the mouthpiece to a space adjacent a posterior oropharynx of the patient.