Terangkan secara ringkas tapak yang biasa dipilih dan kepentingan klinikal jarum tusukan lumbar

Location: The lumbar puncture is usually performed in a bent lateral position, and the intervertebral space is punctured from the lumbar 2 to the sacral 1 (mainly from the lumbar 3-4). Clinical significance: Objective To deepen the understanding of the anatomy around the lumbar nerve root, and choose the best way of percutaneous puncture. By means of 30 adults around the lumbar nerve root, anatomical observation, measurement and simulated puncture were performed. ): L4-5 is 104.65±23.66, L5-S1 is 91.81±16.78; puncture needle entry angle ( degree ) under direct vision: L4-5 is 45.33±1.81, L5-S1 is 40.43±3.49, and outer area is 48.4± 2.56; puncture point to posterior midline interval (mm): L4-5 was 69.8±5.7, L5-S1 was 60.6±7.0, and outer zone was 97.1±9.9; the success rate of closed puncture: L4-5 was 100 percent , L5-S1 was 100 percent 90 percent of lumbar intervertebral discectomy, and 60 percent of the outer area. Conclusion Trans-triangular working area puncture is the best way for percutaneous posterolateral approach for lumbar discectomy. Stop puncture surgery.

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