A draining structure with original creation which is selected by the test is presented, its drainage effect is better than that of similar structures at home and abroad.
试验选出疏水结构的疏水效果远远超过国内外同类结构，具有独创性。
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Methods: The efficacy of shunting was retrospectively analyzed according to 31 NPH patients′ symptoms, medical history, age and test of draining cerebrospinal fluid(CSF) with lumbar puncture.