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1. 发明授权

US5572993A Apparatus for assisting in ventilating the lungs of a patient 失效
标题翻译：用于辅助通气患者的肺的装置
公开(公告)号：US5572993A
公开(公告)日：1996-11-12
申请号：US498751
申请日：1995-07-06
申请人： Kanji Kurome , Atsushi Asahina , Yoshihito Hashimoto , Yoshiki Nakagawa , Harutomo Wakou , Yoshitaka Oku
发明人： Kanji Kurome , Atsushi Asahina , Yoshihito Hashimoto , Yoshiki Nakagawa , Harutomo Wakou , Yoshitaka Oku
IPC分类号： A61M16/00
CPC分类号： A61M16/00 , A61M2016/0036
摘要： An apparatus for assisting in ventilating the lungs of a patient comprises a respiratory gas source means; a breathing mask means; a conduit means for fluidly connecting the respiratory gas source means to the mask; a means fop regulating the pressure within the conduit means; a flow meter means for detecting the flow rate of the respiratory gas; and a pressure sensor means for detecting the pressure within the conduit adjacent to the breathing mask. The apparatus further comprises a means for calculating the flow impedance parameter of the flow system downstream the pressure sensing means; a means for storing the relationship between the operation of the pressure regulating means, the flow impedance parameter, and the pressure within the conduit means; a means for predicting the flow impedance parameter after a predetermined time interval; and a means for generating a target pressure to which the pressure regulating means regulates the pressure within the conduit. The pressure regulating means is controlled such that the pressure within the conduit adjacent to the breathing mask is substantially the target pressure based on the predicted flow impedance parameter and the data.
摘要翻译：用于辅助患者肺部通气的装置包括呼吸气体源装置; 呼吸面罩手段; 用于将呼吸气体源装置流体连接到面罩的导管装置; 用于调节管道装置内的压力的装置; 用于检测呼吸气体的流量的流量计装置; 以及用于检测邻近呼吸面罩的管道内的压力的压力传感器装置。该装置还包括用于计算压力感测装置下游的流动系统的流量阻抗参数的装置; 用于存储压力调节装置的操作，流阻抗参数和管道装置内的压力之间的关系的装置; 用于在预定时间间隔之后预测所述流阻抗参数的装置; 以及用于产生压力调节装置调节管道内的压力的目标压力的装置。控制压力调节装置，使得邻近呼吸面罩的导管内的压力基于预测的流阻抗参数和数据基本上是目标压力。

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