Study on the needling depth of point Yaotu with CT scanning / 中国针灸

<p><b>OBJECTIVE</b>To probe the safe depth and angle of needling the point Yaotu for treatment of prolapse of intervertebral disc.</p><p><b>METHODS</b>CT technique was used for scanning investigation of the depth and angle of needling the point Yaotu.</p><p><b>RESULTS</b>When the acupuncture needle was inserted vertically to the external space of intervertebral foramen of human body with arrival of qi, the tip of needle could reach to 73 mm deep, which is the best needling depth and angle.</p><p><b>CONCLUSION</b>The needle vertically inserting to the external space of intervertebral foramen at the point Yaotu is proper in treatment of prolapse of intervertebral disc.</p>