The invention relates to a single-use device intended to be used in surgery each time a vascular approach by cannulation or catheterization (extracorporeal circulation anesthesia emergency intensive care) is found to be necessary in particular in heart surgery or interventional cardiology. This new device essentially includes a body (5) a sealing system consisting of two inflatable disks (4) a control connector for inflating and deflating the disk (4) a tubular unit (6) and a flexible guide (1). Figure 1 is the representative figure.
