Acupuncture uses hair-thin, single-use, sterile needles to stimulate specific anatomical points on the body. Needling acts to restore the smooth flow of ‘Qi’ (pronounced ‘Chee’) in the meridians. Acupuncture is usually pain-free. Occasionally the patient may feel a slight stinging or distending sensation. Generally, needles are left in place for 15 to 30 minutes.