Disposable needle with Chiba tip cannula tip Franseen. Equipped with a Luer Lock hub and spindle inside. The cannula is centimeter and has sliding stopper for determining the insertion depth as well as Echo ultrasound markers for detection. The cannula is cleaned with ultrasound and perfectly smudged electrowinning. The needles are easily connectable to a 3-way valves or other devices with Luer. The spindle has a grinding slice of salami.