This Hair Ming Gong Open mono- Seed set from Move Zhu She Qi Installed (10,100) include: flexible container (16,108),The flexible container Rong Satisfied Ye Body Drug Elixirs; Needles Head (26,144),The Needles Head With Rou Rong Qi Even is logical; Shell Body (102),The Shell Body has the container balladeur train (206) received in what The Shell Body; Pump,The pump is arranged in Shell Body,And Ding Wei Cheng With flexible container engagement Yi Ji Tong Over pump and Rong Qi Inter Xiang Right ?Move Er Tong Over Needles Head From container in be discharged Drug Elixirs; And main Flooding Move Bomb spring (40),The main Flooding Move Bomb Huang With Needles Head Ke Cao Zuo Di Even of The connects,To make the first position Needles Head Needles Head From extend out to the 2nd position Needles Head,In the first position Needles Head The,Needles Head is received completely in Yu Shell Body,In the 2nd position Needles Head The,Needles Head From Shell Body protrusion. Pumping (210) may include (210) Roller.本發明公開了一種自動注射器裝置(10、100)包括:柔性容器(16、108),該柔性容器容納液體藥劑;針頭(26、144),該針頭與柔性容器連通;殼體(102),該殼體有接收於該殼體中的容器滑架(206);泵,該泵布置在殼體中,並定位成與柔性容器接合以及通過在泵和容器之間的相對運動而通過針頭從容器中排出藥劑;以及主驅動彈簧(40),該主驅動彈簧與針頭可操作地連接,以便使得針頭從第一針頭位置伸出至第二針頭位置,在該第一針頭位置中,針頭完全接收於殼體中,在該第二針頭位置中,針頭從殼體凸出。泵(210)可以包括輥(210)。