Features:

■ The distribution of the major venous vascular system in the elbow socket allows for the administration of injections and transfusions (blood) into the veins.
■ Puncture practice for drawing blood.
■ There is a noticeable drop sensation when the needle is inserted, and there is a noticeable return of blood produced by a correct puncture.
■ The same puncture site in the venous vessels and skin can withstand hundreds of repeated punctures without leaking.