There's a (nonfiction) book called energy medicine, and in the book there's a woman who helps people with phantom limb pain by placing the needles on the spots where the missing limb would be (not physically touching the patient.) So that would fit this theory to a T. If you wanna check it out

https://www.amazon.com/Energy-Medicine-Science-Mystery-Healing-ebook/dp/B07BK114LX