A lumen wall of a blood vessel, such as a coronary artery, is imaged by inserting a catheter into the vessel and emitting near-IR radiation toward the lumen wall through a side window formed in the catheter. Blood flowing through the vessel is caused to react with a fin arrangement formed on a body of...http://www.google.fr/patents/US6925320?utm_source=gb-gplus-shareBrevet US6925320 - Steerable catheter having steering fins
