case_images: PMC11227350_01
case_images: Fu's subcutaneous needling (FSN) therapy. (A) The fine acupuncture needle used in the control group (top), and the FSN needle used in the FSN group (bottom); (B) the FSN needle contains a protective sheath (top), a cannula tube (middle), and a solid needle (bottom); (C) The tip of the FSN needle (white triangle) is guided to the subcutaneous layer (white circle) above the target muscle (star) using ultrasound; (D) The swaying movement. (E) When the therapy is finished, the solid needle is removed, and the cannula tube is left under the subcutaneous layer of the acupuncture site for 8 hours.
case_images: JPR-17-2325-g0001.jpg
case_images: PMC11227350_01_JPR-17-2325-g0001.jpg
case_images: f0001
case_images: Acupuncture Needles, Nanjing FSN Medical, Jiangsu, China; Figure 1A and B). During FSN needle insertion, the retracted needle tip is guided to the subcutaneous layer using ultrasound (Figure 1C). After complete insertion, the needle tip is retracted back to the hose, and a swaying motion, repeated 200 times in 2 minutes, is applied to the needle (Figure 1D). When the RA movement and swaying movement are finished, the solid needle is removed, leaving the soft cannula tube under the subcutaneous layer of the needling site for 8 hours (Figure 1E). 