Needle safety device for a hollow medical needle, comprising a needle safety element (2) ananged displaceably on a needle shaft (1..1) in a ready position, said needle safety element having a proximal rear wall (2.1) in which an opening (2,2) is formed for the passage of the needle shaft, wherein the edges of the opening engage with the needle shaft in a protective position, and having resilient aims (2.3, 2,4) extending from the proximal rear wall (2,1) in the distal direction, at least one arm being provided with a bent distal wall portion (2,5, 2,6), abutting on the needle shaft in the ready position and overlapping the needle tip in the protective position, wherein stays (3a, ,3b) are arranged laterally of the arms (2.3, 2,4), which stays are joined at the proximal ends with the proximal rear wall (2,1) of the needle safety element and joined to each other at the distal ends by a bracket (3c) extending transverse to the needle (1) in front of the needle safety element (2), the stays (3a, 3b) and the bracket (3c) surrounding the needle safety element (2) like a frame within which the arms of the needle safety element are movable.一種用於中空醫療針頭之針頭安全裝置，其包含一針頭安全元件(2)，該針頭安全元件(2)在一就緒位置中可移位地配置於一針頭軸(1.1)上，該針頭安全元件具有一近端後壁(2.1)，一開口(2.2)形成該近端後壁(2.1)中以供該針頭軸通過，其中該開口之邊緣在一保護性位置中與該針頭軸嚙合；且該針頭安全元件具有彈性臂狀物(2.3、2.4)，該等彈性臂狀物(2.3、2.4)在遠端方向上自該近端後壁(2.1)延伸，至少一臂狀物具備一彎曲遠端壁部分(2.5、2.6)，其在該就緒位置中鄰接該針頭軸且在該保護性位置中重疊針頭尖端，其中撐條(3a、3b)相對於該等臂狀物(2.3、2.4)側向地配置，該等撐條在近端與該針頭安全元件之該近端後壁(2.1)接合且在遠端藉由一托架(3c)接合至彼此，該托架(3c)在該針頭安全元件(2)之前方橫向於針頭(1)延伸，該等撐條(3a、3b)及該托架(3c)類似於一框架地圍繞該針頭安全元件(2)，該針頭安全元件之該等臂狀物可在其中移動。
