a protector for protecting a syringe needle, the protector is generally extend in a longitudinal direction and a closed distal end (distal end) (24) and open proximal end (proximal end) (22 ) an elastomeric needle cap (elastomeric needle cap) 20, the cap 20 having an inner housing 26 for receiving the distal portion 104 of the body 102 of the needle syringe 100 to the proximal end section 32 along the lateral wall that extends from the proximal end 22 (28), and a distal end section 34 along end portion has a thickness extending from the distal end 24 define a includes a wall (30), said end wall (30) and adapted to be perforated over a portion of its thickness by the free end of the needle 106, the inner housing 26, the proximal end (22 ) from: the maximum diameter (the opening (36 representing the D1)) A first segment having a frusto-conical (frustoconical) or cylindrical (circularly cylindrical) shape (40) A second segment of a cylindrical shape for housing the distal portion 104 of the maximum represents the small diameter (D2) than the diameter (D1), the syringe body containing the needle (106) 102 (42) And the second segment 42, the (taper) taper towards the end wall 38 of the housing 26 from the third segment (44) to, and the annular bead (annular bead wherein the lateral walls (28) including ) (70) is provided, the annular beads of the first and second segments (40, 42) disposed in the housing (26) between the at least one slot (72 of the housing 26) is extends in a longitudinal direction over said annular bead (70), the protector is the second segment (42) has at least one axial groove extending longitudinally along a portion of the height of the second segment (42) and (axial groove) including (420).주사기 바늘을 보호하는 보호 장치로서, 상기 보호 장치는 대체적으로 길이 방향으로 연장되며 폐쇄된 원위 단부(distal end)(24) 및 개방된 근위 단부(proximal end)(22)을 갖는 엘라스토머성 바늘 캡(elastomeric needle cap)(20)을 포함하며, 상기 캡(20)은 바늘 주사기(100)의 몸체(102)의 원위 부분(104)을 수용하기 위한 내측 하우징(26)을 규정하는, 근위 단부 구역(32)을 따라서 상기 근위 단부(22)로부터 연