The invention relates to the field of
blood collection needles, in particular to a safety
blood collection needle, comprising a needle base, a slider, a
handle and a needle; the needle is fixedly connected to the needle base, and the
handle is installed on the other end of the needle base relative to the needle; The periphery of the needle base is slidably arranged, and a chute is provided on the slider, and the chute includes a first accommodating groove, a first card and structure, a sliding channel, a second card and structure, and an open end, and a
handle structure is arranged on the periphery of the needle base; The slider has a protection position for protecting the needle after use and a
blood collection position for removing it from the needle; when it is in the protection position, the handle structure is constrained by the first clamp and structure in the first accommodating groove, and when it is in the blood collection position position, the handle structure is located at the open end, and the slide is limited between the handle and the handle structure. The invention effectively avoids the risk of stabbing the
nursing staff during and after the blood collection, and at the same time, the invention also claims a method for using a safe blood collection needle.