Superselective catheterization using very flexible, formed catheters.
Superselective catheterization of even very tortuous vessels is possible, with very low risk of arterial spasm and plication of the catheter, when very flexible catheters are used. The thermoplasticity as a new additional quality of very flexible catheters offers new possibilities to guide such catheters. Thus, the catheter extremity may be curved in order to overcome difficult anatomic pathways, or a bulb-shaped dilatation of the catheter tip can be achieved in order to increase the flow-dependent guidance of the catheter.
Rüfenacht
D
D
Department of Neuroradiology, Inselspital, University of Berne, Switzerland.
Merland
J J
JJ
D001921:Brain / Q000098:blood supply*; D002404:Catheterization / Q000295:instrumentation / Q000379:methods*; D006801:Humans; D002538:Intracranial Arteriovenous Malformations / Q000000981:diagnostic imaging / Q000628:therapy; D011859:Radiography