Regional Anatomy:
Skin-subcutaneous tissue-greater pectoral muscle-smaller pectoral muscle.
In the superficial layer, there are the lateral cutaneous branches of the 4th intercostal nerve ane the tributaries of the thoracoepogaddtric vein. In female, besides the above-mentioned vessel and nerve, there are also the glandular tissues in the subcutaneous layer. In the deep layer, there are the medial and lateral pectoral nerves and the branches or tributaries of the lateral thoracic artery and vein.
Location:
Supine position; firstly, locate the 4th intercostal space, 1 cun laterally apart from the centre of the nipple. In woman, it should be located 1 cun laterally apart from the midclavicular line , in the 4th intercostal space.
Function:
Promoting the blood circulation, regulating the flow of qi, resolving phlegm, and dissolving lumps.
Indications:
Angina pectoris, epicarditis, lymphoid tuberculosis, lymphnoditis of axillary fossa, intercostal neuralgia, mastitis, hypogalactia, and encephalemia.
Prescription:
Combined use with RugenST18 (Rugen (ST18)) for treatment of hypogalactia; and with QuchiLI11 (Quchi (LI11) He-Sea Point) for treatment of lymphnoditis of axillary fossa.
Methods:
Insert the needle horizontally, 0.5-0.7 cun deep; needling response: local numbness and distension; moxibustion: using 3-5 moxa-cones, or mild moxibustion for 10 min.
Note:
Tianchi (PC1) Don`t puncture deeply, or else the needle would penetrate the external intercostal muscles-the internal intercostal muscles-the parietal pleura-the pleural cavity-the visceral pleura
and the lung by its tip, and cause an injury to lung, leading to pneumatothorax.
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