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1963年Dotter无意中发现末梢动脉插管时,导管通过狭窄梗阻的髂动脉而成功地进行了腹主动脉造影,使他想到可利用这一方法使用可弯曲的导丝引导导管去直接而逐渐地扩张狭窄的动脉。1964年Dotter等首次应用同轴导管(coaxial catheter)对下肢动脉狭窄的病人进行了PTA获得成功。
In 1963 Dotter inadvertently found peripheral arterial cannulation, the catheter through the narrow obstruction of the iliac artery and successful abdominal aortography, made him think that this method can be used to guide the catheter with a flexible guide wire to go directly and gradually Dilate the narrow arteries. In 1964 Dotter and other co-catheter (coaxial catheter) for the first time in patients with lower extremity artery stenosis PTA was successful.