Fig. 1

a An anatomical view of the tendon fascia. b1, b2 A schematic view of percutaneous fascia surgery. b1 The separation of the fascia with a stent. b2 The iridium fascia is cut by 1/2 along the stent groove with a blade. c1, c2 The surgical intent of radiofrequency ablation. The red dot in c1 is the position at which the ablation needle is inserted. c2 The depth at which the ablation needle is inserted