某公司发明了一种特殊的微导管,或称血管扩张器,暂时名为Corsair。此器械的长度为150cm,体部的剖面为2.5F,尖端渐细(0.015 ″)。New concept for CTO recanalization using a controlled antegrade and retrograde subintimal tracking:the CART technique .Coronary septal collaterals as an access for the retrograde app ......