New Nasal Respiratory Apparatus

A nasal respiratory apparatus comprising a compressible nasal dam is removably engaged with an air chamber to provide respiratory gas to a patient. The air chamber has a gas connection port, at least one nasal conduit, a nasal end tidal sample port, wherein the gas connection port is configured to receive an externally supplied gas via a gas supply tube and wherein the at least one nasal conduit in fluid communication with the gas connection port. The nasal dam has a least one nares port corresponding to the at least one nasal conduit of the air chamber, the nares port extending from an upper external surface of the nasal dam to a lower external surface of the nasal dam such that the upper external surface of the nasal dam interfaces with soft tissue of a patients nasal base to provide a substantial seal around the patients nasal base to facilitate respiratory gas supply to the patient.