B4 Quchai ( V4 )

Location - - 1 . 5 cun lateral to Shenting ( Du 24 ) at the junction of the medial third and lateral two thirds of the distance from Du24 to S8

Indications Headache , nasal obstruction , epistaxis , blurring and failing of vision .

Method Puncture subcutaneously - 0 . 3 - 0 . 5 inch . Moxibustion is applicable

Vasculature The frontal artery and vein .

Innervation The lateral branch of the frontal nerve .