A breathing assistance apparatus includes a main body unit, an insert plate, two nasal prongs, a head strap unit, and an intake tube. The main body unit includes a rear wall, a front wall extended forwardly from the rear wall and formed with a tube-connecting hole, a surrounding surface defining a prong-receiving hole arranged in the rear wall, an insert groove formed in the surrounding surface, and two side straps extending respectively from two opposite sides of the rear wall. The insert plate is inserted into the insert groove to thereby be positioned in the prong-receiving hole, and the insert plate includes two mounting hole for mounting the two nasal prongs. The head strap unit is connected between the side straps. The intake tube is inserted into the tube-connecting hole. By utilizing the insert plate and the main body unit as two independent units, the present invention can provide and maintain excellent effects of supplying air.一種鼻塞式呼吸器,包含一主體單元、一嵌片、二鼻塞件、一頭帶單元及一進氣管。該主體單元包括一後壁,一自該後壁朝向前端延伸收束且形成一連接孔的前壁,一設置於該後壁且圈圍形成一容置孔的圈圍面,一設置於該圈圍面的嵌槽,及分別自該後壁延伸的二側帶。該嵌片嵌置於該嵌槽以定位在該容置孔內,該嵌片具有二安裝孔供該二鼻塞件安裝。該頭帶單元穿帶在該主體單元的二側帶之間。該進氣管插接於該本體單元的連接孔。藉由該嵌片與該本體單元為二獨立元件,使本發明具有可以保持良好供氣效果的功效。30...主體單元31...後壁32...連接孔33...前壁37...側帶371...自由段372...第一穿孔373...第二穿孔40...嵌片41...安裝孔50...鼻塞件51...鼻塞頭52...插置筒521...環槽53...通孔60...頭帶單元61...第一頭帶62...第二頭帶70...進氣管71...第一接頭72...第二接頭73...連接管I...軸線
