 Per the Food and Drug Act of 1906 and the subsequent amendments to said act, the FDA definition applies to how the needles can be marketed and does not mean that acupuncture is the only medical procedure where these needles can be used.Dry needling using such a needle contrasts with the use of a hollow hypodermic needle to inject substances such as saline solution, botox or corticosteroids to the same point.The Founder of Integrative Systemic Dry Needling (ISDN), Yun-Tao Ma, has been spearheading the "dry needling" movement in the United States.