Blood collecting needle, syringe needle, winged needle, test kit and blood collecting kit

摘要

A blood collecting needle, which comprises: a needle tube having a human-body puncturing needle tube and a stopper-body puncturing needle tube (3), wherein the needle tube has an outer diameter having substantially the same dimension from a tip (5) of the human-body puncturing needle tube (3) to a tip (6) of the stopper-body puncturing needle tube (3), the needle tube has an inner diameter having substantially the same dimension from the tip (5) of the human-body puncturing needle tube (1) to the tip (6) of the stopper-body puncturing needle tube (3), and the blood collecting needle satisfies equation (1):0.35 ≤ D1 0.70 (equation 1)wherein D1 represents the outer diameter (mm) of the needle tube.