| 摘要 |
A multi-lumen guiding catheter for PTCA is disclosed. The guiding catheter comprises of a tubular body having a first and at least one second continuous lumen there-through from a proximal end to a distal end thereof. The first lumen is having a cross-section and a length, the cross-section of the lumen is being large enough to permit passage there-through of a balloon of the balloon dilatation catheter. The at least one second continuous lumen is positioned either in a concentric or eccentric manner in respect to the first lumen, and is adapted provide continuous intra-coronary infusion of a flowing matter. A method of continuous intra-coronary infusion of flowing matter thorough a guiding catheter for PTCA is also presented. It comprises of steps of obtaining the aforesaid guiding catheter, and then, administrating a flowing matter thorough this second lumen from its proximal end. |
