风门穴与肺俞穴针刺安全深度及角度的应用解剖研究

Applied Anatomy Study on Safe Depth and Angle for Needling Points Fengmen B12 and Feishu(B13)

采用钢针标定法和层次解剖法，在46具成年人尸体上，研究风门穴与肺俞穴的解剖结构和针刺深度及角度。结果显示：向下直刺的解剖结构依次是皮肤、浅筋膜、斜方肌、菱形肌、上后锯肌、竖脊肌、肋提肌、肋间内膜、胸内筋膜、肋胸膜，向下直刺的平均危险深度，风门穴为49．51mm，肺俞穴为44．88mm；向外下斜刺，当针体与矢状面夹角在20～25°时，危险深度最小；向内下斜刺，当针体与矢状面夹角大于20°时，比较安全。

To probe into the anatomic structure, safe needling depth and angle of points Fengmen （B12） and Feishu （B13）, steely-needle marked method and layer anatomy method were used in 46 adult corpses. The results showed that the anatomic structures of perpendicular insertion downward were skin, superficial fascia, trapezius, rhomboideus, upper posterior serratus, erector spinae, levator ribs, internal intercostal membrane, endothoracic fascia and costal pleura in order. The mean dangerous depth for perpendicular insertion downward was 49.51mm of B12 point and 44.88 mm of B13 point. The dangerous depth was least for oblique insertion toward the lateral of chest in an angle of 20～25° that between the needle body and the midline sagittal plane. It is safe for oblique insertion toward the medial of chest in an angle exceed 20°.