[PROBLEMS] To improve the symptoms of sleep apnea syndrome with an assistive device for improving symptoms of sleep apnea syndrome, to detect vital signs with minimal invasiveness, and to detect components contained in saliva To. A sleep apnea syndrome symptom-improving auxiliary device 1 includes a sandwiched portion 10 sandwiched by a patient's front teeth, and an elastic body that extends from the sandwiched portion 10 to the vicinity of the patient's soft palate and presses the tongue. The tongue pressing part 20 and the detection part 30 which detects at least one of a patient's vital sign and a saliva component are provided. [Selection] Figure 12【課題】睡眠時無呼吸症候群症状改善用補助器具によって睡眠時無呼吸症候群の症状の改善を図りながら、低侵襲でバイタルサインの検出を可能にし、また、唾液中に含まれる成分の検出を可能にする。【解決手段】睡眠時無呼吸症候群症状改善用補助器具１は、患者の前歯によって挟持される被挟持部１０と、被挟持部１０から患者の軟口蓋近傍まで延び、舌を押圧する弾性体からなる舌押圧部２０と、患者のバイタルサインと唾液成分との少なくとも一方を検出する検出部３０とを備えている。【選択図】図１２
