Ultrasound-Guided Percutaneous Release Procedures in the Lumbar Ligamentum Flavum by Acupotomy: A Cadaveric study

Figure 11

The acupotomy treatment area stripped and peeled 4 or 5 times to form the cut trace of discontinuous line. Needle tip operation on the bone surface without a feeling of falling to avoid puncturing the spinal dura mater. LF, ligamentum flavum. Orange rectangle: acupotomy is not in the bone surface.