Abstract: The invention relates to an injector device for a syringe, the syringe including a plunger movably receivable by a barrel, the plunger having a push flange and the barrel defining an interior to movably receive the plunger, the barrel further including a base end including one or more lateral flanges and a tip end, the injector device comprising a first support defining a cavity surrounded by a peripheral edge into which the barrel of the syringe is perpendicularly insertable, wherein the base end of the barrel is supportable by the engagement between the peripheral edge of the first support and the one or more lateral flanges of the base end of the barrel, a second support movably coupled to the first support, the second support having a guide surface that abuttably engages the push flange of the plunger when engaged therewith, and at least two parallel guides movably coupling the second support to the first support.