The subject of the invention is a safety protective sheath for forehead vein assembly, which safety protective sheath has a purpose of providing protection against injury during the use of needles, particularly when a so called forehead vein assembly is used that can be fastened to the body. The safety protective sheath according to the invention consisting of a middle part having a needle at one of its end, a fluid conducting pipe connected to its other end, and a butterfly shaped fastener is connected to this pipe. It is characterised by that, the a ring (4) is connected to the middle part (14) located between the needle (2) and the fluid conducting pipe (1), there is a double fastening tongue (5) created on the outside of ring (4), which has a flexible serrated branch (6) and a flexible curved branch (7), on the end of which there is an outward protruding node (8) the freely moving ends of the double fastening tongue (5) are aligned in a direction opposite to the point of the needle (2) a protecting sheath (9) is installed in the ring (4) in a movable manner, the end of protecting sheath (9) towards the needle (2) is closed, a slit (13) is created up to the other end to allow pushing of needle (2) forward the protecting sheath (9) covers the needle (2) before and after use on the end of the protecting sheath (9) being opposite to the point of the needle (2) a closed terminating ring (11) is mounted, on which a gate (10) is created, this gate (10) has a reducing shape and a size, so that both branches of the double fastening tongue (5) together with the protruding nodes (8) at its ends can pass through its narrowest part.Linvention concerne une gaine de protection de sécurité pour un ensemble veine avant, laquelle gaine de protection de sécurité consiste à fournir une protection contre une blessure lors de lutilisation daiguilles, en particulier lorsquun soi-disant ensemble veine avant est utilisé, lequel peut être fixé au corps. La gaine de protection de sécurité
