An assembly for treating sleep apnea comprising a perforated tube comprising a proximal flare and an expandable distal flute and a perforated outer sheath slidably disposed over said perforated tube and having a second proximal flare and comprising a length shorter than the perforated tube. The distal flute may be goblet shaped or spiral shaped such that it is resistant to collapse of soft tissue at the oropharyngeal area of a patient. The assembly may be deployed through the nostril of a patient.
