A safety device for a hypodermic needle or for a similar instrument used in the clinical puncture of the skin comprises a sheath (6, 25 or 32) adapted to be connected to the needle (5, 21 or 33) or to a support (4 or 31) for the needle. The sheath is so connected in a first position (FIGS. 1A, 2A, or...http://www.google.fr/patents/USRE36398?utm_source=gb-gplus-shareBrevet USRE36398 - Safety device for hypodermic needle or the like
