Composition injection device

A composition injection device is disclosed. A composition injection device according to the present invention is provided with: a needle which is disposed in a state in which the distal end and the proximal end of the needle are open, and which has a hollow interior so as to inject or discharge a composition; a pressing member which is inserted into the needle and presses the composition injected into the needle so that the composition is discharged from the needle; and a paddle formed by extending from the distal end of the needle, the composition ejected from the needle being applied to the paddle, and the maximum width of the paddle being formed to be less than or equal to the outer diameter of the needle. 公开了组合物注入装置。本发明的组合物注入装置包括：针，被配置为其远位部和近位部的每个末端部敞开的状态，其内部构成为中空部以注入或吐出组合物；施压构件，插入到针，施压针中所注入的组合物以使组合物从针吐出；以及桨，从针的远位部末端部延伸形成，从针吐出的组合物涂敷到桨，桨的最大宽度形成为针的外径以下。