Encontro Bexiga-Du MaiCruzamento com Du MaiDangerTórax
Depth
00.5–1 cun3.0
Transverse insertion
Precautions
High risk of pneumothorax. Caution: pneumothorax.
📍 Location (classical)
1.5 cun lateral to the inferior border of the spinous process of the second thoracic vertebra (T2), at the highest point of the paravertebral musculature.
🧭 How to find it (practical)
Seated with the neck flexed, locate the point below the spinous process of the second thoracic vertebra, 1.5 cun lateral to the posterior midline.
🔬 Anatomy
Trapezius, rhomboid minor, and erector spinae muscles.
💉 Needling
0.5–1 cun obliquely toward the spine. Frequently needled transversely (subcutaneously) toward the spine to allow recumbent position during retention.
📜 Etymology
Feng (风), pathogenic wind; Men (门), gate. The point lies in a location easily invaded by pathogenic wind. This point is considered the gate of pathogenic wind.
