Ponto Janela do CéuPonto Janela do CéuCautionPescoço
Depth
00.3–0.5 cun3.0
Perpendicular insertion
Precautions
Avoid the external jugular vein. Deep insertion may perforate the carotid artery or jugular vein.
📍 Location (classical)
On the lateral aspect of the neck, posterior to the sternocleidomastoid muscle (SCM), at the level of the laryngeal prominence (Adam's apple).
🧭 How to find it (practical)
Seated, locate the point on the posterior border of the sternocleidomastoid muscle, at the level of Lian Quan (CV-23), which is between the thyroid cartilage and the hyoid bone.
🔬 Anatomy
Posterior border of the SCM, levator scapulae. Innervated by the cervical plexus and accessory nerve.
💉 Needling
Perpendicular insertion, 0.3–0.5 cun.
📜 Etymology
Tian (天), heaven, upper; Chuang (窗), opening, window. The point lies on the neck and is indicated for otologic disorders. It treats hearing deficit, analogously to "opening a window."
