A private, 30-minute treatment. Battlefield Acupuncture is a form of auricular (ear) acupuncture in which semi-permanent needles are placed on the surface of the ear. The small 1mm needles are left in place and fall out within 2-4 days. This specific method has shown a reduction in acute and chronic pain in 80% of patients. This treatment is performed with the patient sitting and fully clothed.