S9 Renying , E9

Location Level with the tip of Adam s apple , just on the course of the common carotid artery , on the anterior border of m . sternocleidomastoideus

Indications Sore throat , asthma , goiter , dizziness , flushing of the face .

Method Avoid puncturing the common carotid artery , puncture perpendicularly - 0 . 3 - 0 . 5 inch

Vasculature The superior thyroid artery ( the bifurcation of the internal and the external carotid artery

Innervation Superficially , the cutaneous cervical nerve , the cervical branch of the facial nerve ; deeper , the sympathetic trunk ; laterally , the descending branch of the hypoglossal nerve and the vagus nerve .