Fig. 3From: Comparison of the therapeutic outcomes between open plantar fascia release and percutaneous radiofrequency ablation in the treatment of intractable plantar fasciitisThe procedure of percutaneous radiofrequency ablation. a We marked the pain zone the at first. b, c A 2-mm Kirschner wire was used as a puncture needle to puncture the skin and subcutaneous tissue at the marking points. Subsequently, a radiofrequency cutter was inserted to the plantar fascia level at each puncture point of the marked grid, and radiofrequency ablation was then performed percutaneously. d There was no obvious wound after operationBack to article page