The cannula has an optimized bevel. The slit-shaped back eye of the arterial needle prevents aspiration.
The shorter and transparent needle wing is ergonomically shaped, provides a strong grip and prevents the needle from rotating while puncturing.
Red and black markers on the hub show the exact position of the bevel every time at first glance during dialysis treatment.
The audible click ensures that the needle is securely locked and reduces the risk of needle stick injuries.