Objective To investigate the mechanism of electrothrombosis by copper needle, in order to supply the referential data for clinical treatment of vessel deformity.
目的研究铜针电栓塞血管的机制，为临床治疗提供参考依据。
Flat handle needle: the handle is made of cooper or stainless steel with traditional technics. The copper handle includes two kinds of trpes: passivation and silver-coated in the surface.
平柄针：针柄采用传统工艺制作，分铜柄和不锈钢柄两种，铜柄表面有钝化和镀银两种。
Flat handle needle: the handle is made of cooper or stainless steel with traditional technics. The copper handle includes two kinds of trpes: passivation and silver-coated in the surface.
平柄针：针柄采用传统工艺制作，分铜柄和不锈钢柄两种，铜柄表面有钝化和镀银两种。
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