一种匀出光的光纤穿刺针及狭缝和匀光器的制备方法

本发明涉及一种匀出光的光纤穿刺针及狭缝和匀光器的制备方法，光纤穿刺针包括光纤，光纤包括主体部，主体部与能够均匀出光的匀光器连接；匀光器包括其内壁具有反射效果的管套，该管套的侧面设有贯穿管套内外两侧并能够均匀出光的狭缝；主体部的外围包裹有主体管，匀光器的外围包裹有由记忆金属构成的分瓣状针头。该穿刺针通过各个部件的相互协同作用，能够实现较快的在长血管中进行传输的目的，如能顺利的穿行将近2米的血管长度；并能够实现较高的出光效率和治疗效果，在光动力肿瘤治疗中具有重要的应用价值和意义。 The invention relates to a fiber optic puncture needle with uniform light extraction and a preparation method of a slit and a dodging device. The fiber optic puncture needle comprises optical fibers,the optical fibers comprise a main body portion, and the main body portion is connected to the dodging device capable of uniformly emitting light; the dodging device comprises a pipe sleeve with a reflection effect on the inner wall of the pipe sleeve, and the side surface of the pipe sleeve is provided with the slit which penetrates the inner and outer sides of the pipe sleeve and is capable of uniformly emitting light; and the periphery of the main body portion is wrapped by a main body tube, and the periphery of the dodging device is wrapped by a split-shaped needle composed