4F Introducer Sheath is unbreakable mix with strong, thin-wall design. The structure proffers a simple way to penetrate and eradicates the call for vascular closure device. Horizontally this 4F device 45 cm and vertically it is 45 & 100 cm. This Coil-reinforced device comprises with two more features:- Low profile and Peri-procedure visualization. Presenting exceptional kink resistance and a non-ovalling sheath lumen for excellent suppleness and uncompromised tool channel in taut curves. Via new and pioneering blueprint techniques, Fortress has an analogous ID and OD to supplementary commercially obtainable non-reinforced sheaths. The entire introducer sheaths permit for distinction medium flushing with BIOTRONIK 4F well-matched products in position.