UBE Thoracic Floodwood Technique for Thoracic Ossification of Ligamentum Flavum (OLF)

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On March 5, 2026, Zhang Wei from Hangzhou Traditional Chinese Medicine Hospital shared his practical experience in the treatment of ossification of the ligamentum flavum (OLF) in the thoracic spine using the UBE thoracic floodwood technique. This technique was applied to cases of ossification of the ligamentum flavum in the T1 thoracic spine, involving bilateral decompression. The core focus was on surgical incision location, determination of the decompression range, operational procedures, and key instruments/hemostasis points. The specific content is as follows:

1.The ipsilateral and contralateral incisions are preferably located on the outer edge line of the pedicle

2. Under the microscope, use a grinding drill to mark the inner edges of the ipsilateral and contralateral pedicles to determine the left and right ranges of decompression

3. Under the microscope, the head and tail ends of the spinous process base are identified and floated to determine the range of the head and tail for decompression

4. After floating the spinous protrusions, establish a passage on the opposite side

5. Contralateral decompression, with the operation of the contralateral incision under the monitoring of the ipsilateral endoscope

6. When the dura mater ossifies and becomes thin, the hook knife is a powerful tool

7. It is very important to stop bleeding on the lower surface of the floating spinous processes

A case of ossification of the ligamentum flavum 1 in the thoracic cavity was taken as an example, and UBE thoracic vertebrae were performedfloodwoodBilateral decompression