The installation possible injector adapter has the seal component and the adapter itself vis-a-vis the housing type injector which possesses the needle of housing type. The adapter itself has two which cooperates in order to keep the seal component in inside the adapter substance components at least. Each substance component installation and removal possibly is installed vis-a-vis the barrel of injector, each substance component has the applied part. Installation and removal possibly it is installed the filter component which filters the fluid the occasion where it fills up the fluid in the injector vis-a-vis the applied part, or the substance and the impurity etc of specification are removed the applied part by being formed as one unit. Or, it is possible to arrange the filter material inside the injector adapter. Furthermore, installation and removal possibly be able to install vis-a-vis the injector adapter, it is possible to have the filling up needle which prevents the bending and Bali of the housing type needle.格納式の針を有する格納式注射器に対して装着可能な注射器アダプタは、シール部材及びアダプタ本体を備える。アダプタ本体は、アダプタ内においてシール部材を保持するために協働する少なくとも2つの本体部材を有する。いずれかの本体部材は注射器のバレルに対して着脱可能に装着され、いずれかの本体部材は装着部を有する。注射器に流体を充填する際に流体をろ過するフィルタ部材が装着部に対して着脱可能に装着されるか、装着部と一体に形成されることにより、特定の物質や不純物等が除去される。または、注射器アダプタ内にフィルタ材を配置してもよい。さらに、注射器アダプタに対して着脱可能に装着でき、格納式針の曲がりやバリを防止する充填針を備えていてもよい。
