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公开(公告)号：US5765554A
公开(公告)日：1998-06-16
申请号：US622902
申请日：1996-03-29
IPC分类号： A61M16/00
CPC分类号： A61M16/0051 , A61M2016/0039 , A61M2016/0042
摘要： A control system where the clinician can have manual control of the state for various alarms, generally volume alarms and apnea alarms. The control is interactive, that is, while the clinician can manually set the state in a variety of settings, the control system automatically overrides the clinician's selection to activate both the volume and apnea alarms wherever the mechanical ventilator is turned on. In addition, there is another override where a breath is detected by the ventilator to turn all of the alarm systems from both being inactive to both alarms being active.
摘要翻译： 一种控制系统，其中临床医生可以手动控制各种报警的状态，一般是报警和呼吸暂停报警。 控制是交互式的，也就是说，临床医生可以在各种设置中手动设置状态，控制系统自动覆盖临床医生的选择，以便在机械通气机开启的任何地方激活体积和呼吸暂停报警。 此外，还有另一个覆盖，呼吸机检测到呼吸，以将所有报警系统从两个不起作用到两个报警都处于活动状态。
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2.发明授权Breath monitor with audible signal correlated to incremental pressure change 失效具有声音信号的呼吸监护仪与增量压力变化相关
公开(公告)号：US5836302A
公开(公告)日：1998-11-17
申请号：US889911
申请日：1997-07-10
申请人： James R. Homuth , Kevin G. Tissot
发明人： James R. Homuth , Kevin G. Tissot
CPC分类号： A61M16/104 , A61M16/0051 , A61M2205/581 , A61M2230/40
摘要： An audible waveform system is provided that senses a parameter relating to the ventilation of a patient. The system produces short bursts of sound of a predetermined frequency as the changes occur in that parameter based on certain increments of change. The bursts themselves are preferable at a frequency that is the same for equal pressures but increases and decreases in frequency as the parameter increases or decreases, respectively. In the preferred embodiment, the system provides an audible waveform based on the pressure in the patient airway so that the clinician can receive information relating to that waveform conveniently and without taking attention away from other monitors and/or alarms.
摘要翻译： 提供了一种可听见的波形系统，其感测与患者的通气有关的参数。 随着基于某些变化增量的变化发生在该参数中，系统产生预定频率的短脉冲串。 突发本身在相同压力的频率上是优选的，但分别随参数增加或减小而频率上升和下降。 在优选实施例中，系统基于患者气道中的压力提供可听波形，使得临床医生可以方便地接收与该波形有关的信息，而不需要注意远离其他监视器和/或警报。
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公开(公告)号：US5669379A
公开(公告)日：1997-09-23
申请号：US624066
申请日：1996-03-29
CPC分类号： A61M16/00
摘要： An algorithm is disclosed that enables the display for a medical ventilator to automatically adjust its wave characteristics depending on the settings for that ventilator established by the clinician. As the respiratory rate, or rate at which the ventilator provides breaths to the patient, is changed by the user, the rate of sweep of the waveform generator displaying that data is also changed to insure that the data is displayed in the most relevant manner. As another parameter, as the pressure limit in the patient circuit is set by the clinician, the waveform vertical scale is adjusted to make sure the particular limit of pressure is displayed. As the pressure limit or the respiratory rate are changed in the ventilator by the clinician, the waveform of he data displayed also is automatically modified to make that data best presentable to the clinician.
摘要翻译： 公开了一种能够使医疗呼吸机的显示器根据临床医生建立的呼吸机的设置来自动调整其波形特性的算法。 随着用户改变通气机对呼吸机提供呼吸的呼吸频率或速率，也改变了显示该数据的波形发生器的扫描速率，以确保以最相关的方式显示数据。 作为另一参数，由于临床医生设定患者回路中的压力极限，调整波形垂直刻度以确保显示出特定的压力极限。 由于临床医生在呼吸机中压力极限或呼吸频率发生变化，所显示的数据的波形也被自动修改，以使该数据能够最佳地呈现给临床医生。
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公开(公告)号：US6125848A
公开(公告)日：2000-10-03
申请号：US938850
申请日：1997-09-26
CPC分类号： A61M16/08 , A61M16/0081 , A61B5/087 , A61M16/0078 , A61M16/01 , A61M16/22 , A61M2016/0036
摘要： A system that enables the accurate monitoring of tidal volume of a patient when using a Bain, Mapleson D or similar type of patient breathing circuit in an anesthesia system. The system allows the use of flow sensors positioned at the machine or distal end of the patient breathing circuit and not at the less desirable patient or proximal end of the patient breathing circuit. Thus, the flow sensors can be positioned out of the way of the patient and will provide a measurement of the tidal volume of the patient. A CPU is used to take into account, the additional fresh gas provided to the patient breathing circuit during the expiration cycle to correct the flow monitored in the main breathing tube that supplies the gas to the patient from a ventilator or breathing bag.
摘要翻译： 一种能够在麻醉系统中使用Bain，Mapleson D或类似类型的患者呼吸回路时能够准确监测患者潮气量的系统。 该系统允许使用位于患者呼吸回路的机器或远端处的流量传感器，而不是位于患者呼吸回路较不理想的患者或近端。 因此，流量传感器可以被定位成不符合患者的方式，并且将提供对患者的潮气量的测量。 使用CPU来考虑在呼气循环期间向患者呼吸回路提供的额外的新鲜气体，以校正从呼吸机或呼吸袋向病人提供气体的主呼吸管中监测的流量。
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公开(公告)号：US06119686A
公开(公告)日：2000-09-19
申请号：US972099
申请日：1997-11-17
IPC分类号： A61M16/00
CPC分类号： A61M16/0051 , A61M2016/0039 , A61M2016/0042
摘要： An apnea detection system is disclosed for use with a medical ventilator and which detects the volume of gas delivered by the ventilator to a patient and also the volume of gas exhaled by the patient. The two flow measurements are compared, preferably in a microprocessor, to determine whether an apnea condition exists by comparing, against a known standard, the two detected volumes. The volume of the exhaled gas must be a predetermined percentage of the volume of gas delivered to the patient within a predetermined time period or an alarm is activated indicating an apnea condition.
摘要翻译： 公开了一种与医疗呼吸机一起使用的呼吸暂停检测系统，其检测由通气机向患者输送的气体的体积以及患者呼出的气体的体积。 比较两个流量测量值，优选在微处理器中，以通过将两个检测到的体积与已知标准进行比较来确定是否存在呼吸暂停状态。 呼出气体的体积必须是在预定时间段内输送到患者的气体的体积的预定百分比，或者指示呼吸暂停状态的警报被激活。
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公开(公告)号：US5662099A
公开(公告)日：1997-09-02
申请号：US624070
申请日：1996-03-29
CPC分类号： A61M16/01 , A61M16/0081 , A61M16/0051 , A61M16/0075
摘要： An improved system for the determining the collapse of a bellows within a canister as part of a ventilator system for delivering breaths to a patient via a patient circuit. The system measures the pressure in the bellows canister external of the bellows and measures the pressure within the interior of the bellow. A processor compares the pressures and determines when the pressure within the canister exceeds a predetermined offset in excess of the pressure within the interior of the bellows to conclude that the bellows is in a collapsed condition. In the preferred embodiment, the processor also uses, as input data, the flow delivered by the ventilator to the bellows canister to determine that offset value. When a bellows empty condition is determined, various actions can be taken, among them to signal an alarm and also to change various functions of the ventilator to prevent further difficulties in the overall system. In addition, the recognition of a bellows collapsed condition and an alarm or remedial action provides a safety measure to the patient in the event the pressure sensor that measures the pressure in the patient breathing circuit is missing or fails to a zero level.
摘要翻译： 一种改进的系统，用于确定罐内的波纹管的崩溃，作为通气系统的一部分，用于通过患者回路向患者输送呼吸。 该系统测量波纹管外部的波纹管罐中的压力，并测量波纹管内部的压力。 处理器比较压力并确定罐内的压力何时超过波纹管内部的压力超过预定的偏移量以得出波纹管处于折叠状态。 在优选实施例中，处理器还使用由呼吸机传送到波纹管罐的流量作为输入数据来确定偏移值。 当确定波纹管空的状态时，可以采取各种措施，其中包括发出报警信号，并改变呼吸机的各种功能，以防止整个系统的进一步困难。 此外，在测量患者呼吸回路中的压力的压力传感器丢失或不能达到零电平的情况下，识别波纹管折叠状态和报警或补救动作为患者提供安全措施。
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