Safe butterfly-shaped needle for needle cover vessel attaching vein stab

摘要

The butterfly-shaped needle for the vein stab (100), grasping by hand with the user to a state where from divergence state it gets together in point, the flexible feather which has extended outside opening and closing possible two the substance which it has (2) (1) and the injector or the bottle and the flexible tube and the connected section of the design which is connected the description above itself which is connected the tail which from (1) extends to the rear (8) the needle carrier which it has (3) the rear end (32) the needle which is installed in axial direction (9) with it has possessed. The inside the cavity the almost as for cylindrical needle cover (5), the needle (9) has extended from the substance to forward, in order the said needle (9) to become free, slide it is possibly installed to axial direction the pulling tsu from the use position which is packed, the above-mentioned needle (9) in order to cover from the substance (1) to the safe position which extends to the front, the substance (1) through inside.