Abstract Topic Non detect cranial internal pressure change invasive. Solutions As for external auditory meatus pressure detection sensor 1 airtightness case 3To place the pressure sensor 4 which perceives the internal pressure in, in airtightness case 3The wave guide chiyu which joints between 2 which it communicates and year piece 6To adjust the internal pressure of the external auditory meatus in bu 5 internal pressure regulator 7 in orderIt is to be provided. With the internal pressure regulator the external auditory meatus, the tube, derivedThe wave tube, in the space which is formed with the case cubic measure of the fixed tonnage injection addingCalculation or note subtraction doing Out, after verifying the airtightness state of the space,It measures.
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机译：<摘要> <主题>非检测性颅内压变化是侵入性的。解决方案外耳道压力检测传感器1气密性外壳3将感知内部压力的压力传感器4放置在气密性外壳3中，将连通的2与年检体6接合的波导管chiyu调节外部的内部压力。 bu 5内部压力调节器7中的听觉耳道应按顺序提供。用内部压力调节器将外耳道，管子，波浪管，在用固定吨位注入的情况下三次测量形成的空间中，加上或减去计算出来，在确认空间的气密性后，措施。
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