The Callisto™ R-Access-I is a radial introducer kit for easy and atraumatic entry into the radial artery. The tapered and partial Hydrosurf™ coated sheath and dilator, in combination with a unique dilator locking system provides an easy and rapid access. The specially designed haemostatic valve ensures easy catheter manipulation and no back-leak during and post procedure. Callisto™ R Access-I is available in 4 to 7F. The kit includes a 20 G needle + 0.021” stainless steel flexible GW.