SYRINGE FOR BLOOD COLLECTION

摘要

PURPOSE: Provided is a syringe for blood collection which presses a rear part of the syringe with pulling by middle finger and forefinger to enable blood to flow into the syringe so that it helps to collect blood safely. CONSTITUTION: The syringe for blood collection is characterized by comprising the parts of: a scale(11) which is drawn on the surface of an external cylinder to display the volume of blood; and a slit(12) which is dug long to prevent a grip connected to a piston from being suspended when the piston is moved inside the cylinder. At initial assembly, the piston is pushed through the rear part of the cylinder, rotated along the slit and pushed again.