Butterfly needle

According to the shape of the needle handle, disposable sterile safetyblood collection needle (hereinafter referred to as anti acupunctureblood collection needle) can be divided into type A: single wing antiacupuncture blood collection needle and type B: double wing antiacupuncture blood collection needle; According to the diameter oftheneedle tube, material: The safety blood collection needle is mainly made of PVC (excluding DEHP),medical natural rubber and 06cr19ni10 according to gb/t 18457. 1.5 anti acupuncture performance is the main performance of anti acupuncture blood collection needle products. Active anti acupuncturedevice is used to prevent accidental needle tip stabbing. Figure 3 showsthe state of the active anti acupuncture device after excitation. 2. performance index 2.1 color code The color of the needle handle and / or protective sleeve shall be usedas the color code of the nominal outer diameter of the needle tube.Itscolor shall meet the requirements of yy/t 0296. 2.2 particulate contamination When tested according to chapter a.1 of gb18671, the pollution indexofsafety blood collection needle shall not exceed 90. 2.3 connection firmness 2.3.1 an axial static tensile force of 20n shall be applied at theconnection between the needle handle of the safety blood collection needleand the venous needle tube for 10s, which shall not be opened or loosened.