This invention to stick to the face of the user and the said headgear in the point, to have the headgear strap in order to adjust the length of the said headgear in the nose mask system for breath which has the headgear which is installed in the head the frame, and the said frame in order to keep the nose mask and the said nose mask which become the expedient which leads the positive pressure gas for breath to the nose of the user in specified position and in order to make the said nose mask the face stick, the said headgear strap to have the headgear fastener which becomes connected with the said frame/cancellation expedient, as for the said frame the said headgear fastener and engagementThe fastener catch which it does is possessed, said fastener catch the direction which said headgear fastener is inserted (revolution) regards the nose mask system for breath which features that the symmetry of rotation guide which is made the axis is possessed. It can connect the headgear easily when starting the installation, twist of the headgear which is in the midst of installing is prevented, also the removal when washing every day offers the nose mask system for easy breath.本発明は、使用者の顔に密着し使用者の鼻へ呼吸用陽圧ガスを導く手段となる鼻マスク、該鼻マスクを所定の位置に保持するためのフレーム、ならびに該フレームおよび該鼻マスクを顔面へ密着させるために頭部に装着するヘッドギアを備えた呼吸用鼻マスクシステムにおいて、該ヘッドギアはその先端に、該ヘッドギアの長さを調節するためのヘッドギアストラップを有し、該ヘッドギアストラップは該フレームとの接続/解除手段となるヘッドギアファスナを有し、該フレームは該ヘッドギアファスナと係合するファスナキャッチを具備し、該ファスナキャッチが該ヘッドギアファスナと挿入する方向を(回転)軸とした回転対称な案内を具備することを特徴とする呼吸用鼻マスクシステムに関する。装着開始時にヘッドギアを容易に接続することができ、装着中のヘッドギアのねじれを防ぎ、日常の洗濯時の取り外しも容易な呼吸用鼻マスクシステムを提供する。
