This creation system is a kind of locking cap of nose conduit respirator comprising: the fixed band portion of a forehead, the fixed band portion in a crown and a pipe fitting fixed part. The fixed band portion system of the forehead has both ends, can mutually adhesive buckle and form a ring structure； The fixed band portion in the crown has a left band portion and a right belt portion, is extended respectively by the fixed band portion of the forehead, and can one domes of mutual adhesive buckle； This is to surface except the fixed band portion of the fixed what forehead of pipe fitting fixed part system, respectively to fix a pair of soft air-guide pipe of a nose conduit respirator； Therefore this creation have both can be adjusted according to different users it is elastic and the advantages that can directly carry out brain scans and effect.本創作係為一種鼻導管呼吸器之固定帽，其包括：一額部固定帶部、一頭頂固定帶部及一管件固定部。該額部固定帶部係具有兩端，可相互黏扣而形成一環形結構；該頭頂固定帶部具有一左帶部及一右帶部，分別由該額部固定帶部延伸出，並可相互黏扣一拱形結構；該對管件固定部係固定於該額部固定帶部之外表面，分別用以固定一鼻導管呼吸器之一對導氣軟管；故，本創作兼具可依不同使用者而調整鬆緊及可直接進行腦部掃描等優點及功效。
