术中，患者取俯卧位，腹侧垫高，以增加腰椎的屈曲，给穿刺针更大的空间便于通过。

During the procedure, the patient lies down with a cushion underneath their stomach to increase flexion in the lumbar spine, giving more room for the needle to pass through.

youdao

术中，患者取俯卧位，腹侧垫高，以增加腰椎的屈曲，给穿刺针更大的空间便于通过。

During the procedure, the patient lies down with a cushion underneath their stomach to increase flexion in the lumbar spine, giving more room for the needle to pass through.

youdao