| 摘要 |
The invention refers to a procedure for catheterization of preferably the central vascular system, in which a flexible oblong member, preferably comprising a guidewire with dilator, is advanced into a vessel; a sheath provided with a slot is threaded on to said member and introduced into the vessel; the oblong member is extracted out of the vessel and the sheath; a catheter is passed directly into the slot of the sheath and is advanced towards said vessel; and the sheath is extracted. In addition the invention refers to a device for performing a procedure, designed for catheterization, preferably of the central vascular system, said device comprising a tubular member (2) with a tip and preferably a head member (3) connected to it, at which a channel (5, 6) extends along the device, besides which a slot (4) is taken up in the tubular member (2), extending from said tip (10), at which said channel (5, 6) is open along the extension of the slot. |
