IC is a disposable needle for alcoholization with closed tip cannula and side holes. Equipped with a Luer Lock hub and inside spindle. The centimeter cannula has a sliding stopper for the determination of the depth of introduction as well as Echo ultrasound markers for detection. The compact dimensions allow light penetration with thin limiting the risk of tearing of the tissues. The cannula is washed perfectly smudged ultrasound and electrowinning. The needles are easily connectable to a 3-way valves or other devices with Luer. The spindle is connected to a base interlocking whose color matches the identification code of the outer diameter of the needle. The alcoholization needle has a Luer extension complete with male and female.