< Topic >Handling being easy various features on the basis of the method of designing various combinations, the safe forwarding instrument is offered.SolutionsAs for feature of this invention, as for the aforementioned injection instrument, rotary possibility and furthermore to have the 1st tubular component which sliding possibly is arranged inside the aforementioned needle sealed link, the aforementioned tubular component, on the outside and internal both, to have the many bulging section and the spine, the aforementioned bulging section and the spine which are provided on the outside of the tubular component to cooperate the guide component which is arranged in the inside of the aforementioned needle sealed link, the aforementioned bulging section and the spine which are provided in the inside of the tubular component to cooperate the stopper component of the plunger which extends to outside direction, as for the aforementioned injection instrument, the aforementioned housingFurthermore it has the 2nd tubular component which is arranged inside, the inside and the many bulging section and the spine which are provided on the outside are arranged and are designed and, it is to be able to set and to be able to forward the specified dosage quantity which is pre-set and.< Selective figure >Figure 8【課題】様々な特徴と様々な組合せをデザインする方法に基づいて、取扱いが容易で安全な送出器具を提供する。【解決手段】本発明の特徴は、前記注射器具は、前記針シールドリンクの内側に回転可能かつ摺動可能に配置された第1の管状部材をさらに備え、前記管状部材は、外面及び内面の両方に、多数の隆起部及び突起部を備え、管状部材の外面に設けられた前記隆起部及び突起部は、前記針シールドリンクの内面に配置された案内部材と協働し、管状部材の内面に設けられた前記隆起部及び突起部は、外方へ延びたプランジャーのストッパ部材と協働し、前記注射器具は、前記ハウジングの内側に配置された第2の管状部材をさらに備え、内面及び外面に設けられた多数の隆起部及び突起部が配置及びデザインされ、所定のプリセットされた投与量を設定及び送出できることである。【選択図】図8
