A kind of interior cast autogenous cutting pipe,System is equipped with a merging outer tube,It is equipped with the outer tube that gas cell is formed around terminal part,Its what front end combination left side,The right side has the fastening base of two snapping arms,The inner face of each snapping arm of what is equipped with snap groove,What outer tube plugs a snapping inner tube when use,It is installed in what outer tube with built-in pipe,The outer end of built-in pipe is pierced by fastening base and forms pan portion,A left side for what pan portion,Right two sides extend the cramp of buckle each snap groove of what,What pan portion is sequentially towards in conjunction with attachment base and connector again； System positions the stoma of outer tube merging patient's throat through operation when autogenous cutting pipe uses,With adaptor cup jointing breathing pipeline； Cast autogenous cutting pipe is avoiding construction evagination using the snapping design of enwraped type within the present invention,And snapping inner tube can be substituted when two cramp of pressure,This design structure is simple,Operation be easy more have both cleaning,Safety etc. requires.一種內管型氣切管，係設有一置入外管，其設有末端部周圍形成充氣囊的外插管，其於前端結合左、右具有兩扣接臂的扣接座，於各扣接臂的內面設有扣接槽，使用時於外管插設一扣接內管，其以內置管置設於外插管內，內置管的外端穿出扣接座形成盤部，於盤部的左、右兩側延伸卡扣於各扣接槽的扣片，又於盤部依序朝結合連接座與接頭；氣切管使用時係透過手術將外管置入患者喉嚨的造口定位，以接頭套接呼吸管路；本發明之內管型氣切管乃利用內包式的扣接設計避免構造外凸，且壓下兩扣片時可抽換扣接內管，此設計結構簡單、操作容易更兼具清潔、安全等要求。
