The epidural space puncture testing tube is characterized by being similar to the common syringe in structure and comprising a syringe tube, a piston, a gasket, a spring and a hand-held handle.

其特征是其结构与普通注射器相似，包括：注射器管、活塞、衬垫、弹簧、手持柄。

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Methods TCD examination was carried out before lumbar puncture for pressure testing in 42 intracranial infection patients (128 times) and 45 ICH patients (138 times).

方法对42例颅内感染患者128次腰穿和45例脑出血患者138次腰穿测压前均行t CD检查并记录血压。

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