An atherectomy catheter is provided for excising and imaging material in a body lumen. In one embodiment, the catheter comprises a catheter body, a cutting blade, and an imaging device. The cutting blade is mounted on the catheter body and configured to move between a first position and a second position...http://www.google.se/patents/US6623496?utm_source=gb-gplus-sharePatent US6623496 - Atherectomy catheter with aligned imager
