Needles bilateral standard size 22G * January 1 \ 4 "diameter needle length * 0.7 * 32 mm

One venipuncture - issledovaniy.Odnim all kinds of main components of the vacuum system are needles. Depending on the state of venous needles used the patient, different both in type and size. When using a standard holder used bilateral (two-edged) igly.Odna needle portion intended for insertion into the patient's vein, the other, - a rubber valve closed, in order to pierce the rubber stopper of the tube. The presence of the valve keeps the integrity of the system during the change