Ablation catheter assembly, laser ablation system and method

The invention is suitable for the technical field of medical instruments, and provides an ablation catheter assembly and a laser ablation system and method.The ablation catheter assembly comprises a connector, a protection tube, an ablation optical fiber and a splicing optical fiber, and the splicing optical fiber is used for collecting absorption attenuation light from plaques; one end of the protection tube, the ablation optical fiber and the splicing optical fiber are arranged in the protection tube; one end of the ablation optical fiber and one end of the splicing optical fiber are connected with the connector. According to the embodiment of the invention, the ablation efficiency can be improved. 本申请适用于医疗器械技术领域，提供一种消融导管组件、激光消融系统及方法，所述消融导管组件包括连接头、保护管、消融光纤和拼接光纤，所述拼接光纤用于收集来自斑块的吸收衰减光；所述保护管的一端、所述消融光纤和所述拼接光纤设置于所述保护管的内部；所述消融光纤的一端和所述拼接光纤的一端均与所述连接头连接。本申请的实施例能提高消融效率。