The present invention relates to a fat graft injection device, which comprises: an injection unit having a connection end and a terminal a storage unit connecting with the injection unit and a pump unit connecting with the storage unit, wherein the storage unit is located between the injection unit and contains fat graft. Fat graft in the storage unit is injected into the subcutaneous layer through the injection unit by the pump unit so as to accomplish the fat graft injection.本發明係有關於一種填補脂肪游離片裝置,包括:一注射單元,係具有一連接端及一末端;一儲存單元,係與該注射單元連接;以及,一幫浦單元,係與該儲存單元連接,該儲存單元係位於該注射單元及該幫浦單元之間;其中,該儲存單元係容置有脂肪游離片,藉由該幫浦單元將該儲存單元的脂肪游離片向該注射單元推進並施與至脂肪層內,以完成脂肪游離片組織的填補。1‧‧‧注射單元11‧‧‧連接端12‧‧‧末端121‧‧‧穿孔2‧‧‧儲存單元21‧‧‧外殼3‧‧‧幫浦單元31‧‧‧管線32‧‧‧幫浦單元調節元件41‧‧‧感測單元
