This is a combination method and system for intravascularly accessing and visualizing a body structure. A system is disclosed comprising a sheath, a balloon catheter, and a catheter deflection mechanism. A micro-deflection mechanism, which may be placed into the lumen of devices such as cardiac leads...http://www.google.fr/patents/US6743227?utm_source=gb-gplus-shareBrevet US6743227 - Intraluminal visualization system with deflectable mechanism
Intraluminal visualization system with deflectable mechanism