A protectable needle device comprising: a housing (30)； a core portion (36)； a needle cannula (20) that includes a front end (24) and a rear end (22), said needle cannula (20) extending from said core portion (36)； a tip protector (50) that moves axially along said needle cannula (20) between a retracted position in which said front end (24) of said needle cannula (20) is exposed and a extended position in which said tip guard (50) protectively surrounds said front end (24) of said needle cannula (20)； and a flexibly elastic drive mechanism (90)； characterized in that the housing (30) comprises the core portion (36), a dorsal fin-shaped structure extending radially outwardly from said core portion (36) and a first side wing (130) and a second wing side (132), wherein the drive mechanism interconnects the housing (30) and the tip guard (50), said drive mechanism being located within said dorsal fin-shaped structure of said housing (30) and adapted to be retained there in a deviated state when said tip guard (50) is in the retracted position.Un dispositivo de aguja protegible que comprende: un alojamiento (30)； una porción de núcleo (36)； una cánula (20) de la aguja que incluye un extremo delantero (24) y un extremo trasero (22), extendiéndose dicha cánula (20) de la aguja desde dicha porción de núcleo (36)； un protector (50) de la punta que se mueve axialmente a lo largo de dicha cánula (20) de la aguja entre una posición retraída en la que dicho extremo delantero (24) de dicha cánula (20) de la aguja está expuesto y una posición extendida en la que dicho protector (50) de la punta rodea de forma protectora dicho extremo delantero (24) de dicha cánula (20) de la aguja； y un mecanismo de impulsión (90) flexiblemente elástico； caracterizado por que el alojamiento (30) comprende la porción (36) del núcleo, una estructura dorsal en forma de aleta que se extiende radialmente hacia afuera de dicha porción de núcleo (36) y una primera ala lateral (130) y una segunda ala lat
