The present invention relates to a support device (1) connectable to a needle injector (2), wherein the support device comprises a flexible plate (3) having a first and a second surface (4, 5), at least one hole (6) penetrating said plate from the first to the second surface, and means (8) for connecting a needle injector (2) on the first surface of the plate, wherein said connecting means (8) are adjacent to the penetrating hole (6).