This creation is a kind of related safty pin skull of what,System include fixed part,Linking part and lid portion； The fixed part is formed in side and is slotted； The linking part links fixed part and lid portion； The lid portion what side also forms fluting,In lid portion, inner wall is equipped with slanting baffle at fluting； Accordingly,Fixed part is buckled into syringe needle pedestal with its fluting,Make in the fixed what needle holder of the safty pin skull,The fluting in lid portion is corresponded into syringe needle again,It is embedded in syringe needle in lid portion by the fluting in lid portion,And avoid syringe needle from being detached from lid portion through the block of baffle,Reach and used Hou when syringe needle,It can be set really for needle cover lid,The thing of the careless prick into human body of syringe needle is avoided to occur,Ensure using when safety effect.本創作係有關於一種安全針頭蓋，係包括固定部、連結部與蓋體部；該固定部在一側形成開槽；該連結部連結固定部與蓋體部；該蓋體部於一側也形成開槽，在蓋體部內壁面鄰近開槽處設有斜向的擋片；據此，將固定部以其開槽扣入針頭基座，使該安全針頭蓋固定於針頭座上，再將蓋體部之開槽對應針頭，使針頭由蓋體部之開槽嵌入蓋體部內，且透過擋片的擋止避免針頭脫離蓋體部，達到當針頭使用過後，能確實為針頭蓋蓋設，避免針頭不慎刺傷人體的事情發生，確保使用時的安全性之效果。
