0.5–1 cun obliquely towards the spine.
Or 1 to 1.5 cun transversely towards the spine. This method applied more often as it allows the patients to lie in a supine position easily during needling retention.
Danshu BL-19 is a major point of the Bladder Channel with various functions.
The Gall Bladder is a part of the Lesser Yang, thus BL-19 can expel Pernicious Factors from the Lesser Yang Stage of the Six Stage Theory or eliminate Gall Bladder Heat within the Four Levels Theory. It regulates the Lesser Yang and can be used for symptoms such as alternation of feeling of heat and cold, dry throat, blurred vision and hypochondrial distension.
Furthermore, it tonifies the Gall Bladder Qi and has some calming effect. Patients with Gall Bladder Qi Deficiency tend to be timid, undecisive and depressed.
Danshu BL-19 also subdues Rebellious Stomach Qi, characterized by symptoms such as vomiting, difficult swallowing, belching, nausea as well as pain and distension of the chest and hypochondrium.