The apparatus 1 comprises a support member 10 having a support disposed at the perimeter of the patient's perimeter and having a barrier effect between the inner portion of the patient's mouth and the outside of the mouth, and the generating member 10 is formed by at least one tube having an aperture 12 on one end of the end and an apertures The numeral 12 is disposed at the mouth circumference portion in front of the support 11, and the generating member 10 is attached to the support 11 at the central portion.装置１は、患者の口周囲部位に配置される支持体を備え、患者の口の内部部位と口の外側との間にバリア効果を及ぼすガス状流体流の発生部材１０を備え、発生部材１０は、端部の一方にアパーチャ１２を備える少なくとも１つの管により形成され、アパーチャ１２は、前記支持体１１の前で口周囲部位に配置され、発生部材１０は支持体１１に中央部で取り付けられる。
