An angioscopy imaging system which operates under the control of a computer system includes an optical scanning system which is inserted into a vessel, such as an artery, for generation of an image. An irrigation system provides pulsatile introduction of flush solution to the vessel to create clear a...http://www.google.com.tw/patents/US4998972?utm_source=gb-gplus-share專利 US4998972 - Real time angioscopy imaging system
