Reliability-enhanced apparatus operation for re-breathing and methods of effecting same
    1.
    发明申请
    Reliability-enhanced apparatus operation for re-breathing and methods of effecting same 失效
    用于再呼吸的可靠性增强的装置操作及其影响的方法

    公开(公告)号:US20060241508A1

    公开(公告)日:2006-10-26

    申请号:US11473443

    申请日:2006-06-23

    IPC分类号: A61B5/08

    摘要: An apparatus and method for affording a re-breathing capability to a breathing circuit. The apparatus includes a valve that permits air flow through or re-breathing in the breathing circuit. A CO2 sensor and an air flow sensor detects CO2 a rate of air flow in the breathing circuit, respectively. A processor computes a parameter based on the CO2 waveform feature and a volumetric CO2 waveform feature based on signals from the air flow sensor and/or the CO2 sensor. An alarm is triggered when the parameter deviates from a selected magnitude. In a further embodiment, at least one parameter associated with an energy source for actuating the valve is monitored. Deviation of the value from at least one selected value of the at least one parameter is corrected.

    摘要翻译: 一种用于向呼吸回路提供再呼吸能力的装置和方法。 该装置包括允许呼吸回路中的空气流过或呼吸的气门。 CO 2传感器和空气流量传感器分别检测呼吸回路中的气流的CO 2。 处理器基于来自气流传感器和/或CO 2的信号,基于CO 2波形特征和体积CO 2 2波形特征来计算参数 传感器。 当参数偏离所选的量值时,触发报警。 在另一实施例中,监测与用于致动阀的能量源相关联的至少一个参数。 该值与至少一个参数的至少一个选定值的偏差被校正。

    Liquid absorbing filter assembly and system using same
    3.
    发明申请
    Liquid absorbing filter assembly and system using same 有权
    吸液过滤器组件及系统使用

    公开(公告)号:US20050161042A1

    公开(公告)日:2005-07-28

    申请号:US11039749

    申请日:2005-01-19

    IPC分类号: A61B5/097 A62B7/10 A62B19/00

    摘要: A filter assembly for use in sidestream gas sampling assembly. The filter assembly of the present invention includes a hydrophilic liner lining the inner perimeter of a housing for wicking moisture from the gases to be monitored prior to the gases reaching a sensing mechanism. The filter further includes a hydrophobic member positioned downstream of the hydrophilic liner. The hydrophobic disk acts as a second line of defense against moisture reaching the sensing mechanism. In one embodiment, the filter further include an absorbent layer positioned between the cylindrical housing and the hydrophilic layer to aid in wicking moisture from the gas stream. In a further embodiment, the hydrophobic disk is eliminated and the hydrophilic member is situated such that gas entering the filter assembly must pass through at least a portion the hydrophilic member.

    摘要翻译: 用于侧流气体采样组件的过滤器组件。 本发明的过滤器组件包括衬套壳体的内周边的亲水衬垫,用于在气体到达感测机构之前吸收待监测气体的水分。 过滤器还包括位于亲水衬垫下游的疏水构件。 疏水盘作为防止潮湿到达传感机构的第二道防线。 在一个实施例中,过滤器还包括位于圆柱形壳体和亲水层之间的吸收层,以帮助从气流中吸收水分。 在另一个实施例中,疏水盘被去除并且亲水构件被定位成使得进入过滤器组件的气体必须通过至少一部分亲水构件。

    Reliability-enhanced apparatus operation for re-breathing and methods of effecting same
    4.
    发明申请
    Reliability-enhanced apparatus operation for re-breathing and methods of effecting same 失效
    用于再呼吸的可靠性增强的装置操作及其影响的方法

    公开(公告)号:US20050028817A1

    公开(公告)日:2005-02-10

    申请号:US10861543

    申请日:2004-06-04

    摘要: Methods and apparatus for enhancing reliability of, and monitoring, the operation of airway valves to enhance patient safety. Pneumatic control line pressure (positive or negative) for actuation of the airway valve may be specified at a given magnitude or within a selected range and monitored continuously. Reduced or excessive pressure may be compensated by actuation of a pressure source or a bleed valve, and monitoring may be effected so as to warn the user of any deviation from the range, or deviations of selected magnitudes or frequencies or a combination thereof. The inspired volume of CO2 may be monitored using air flow and CO2 sensing, with detection of excessive CO2 volume triggering a warning. Similarly, measured end-tidal or end-inspired CO2 or other appropriate measures of CO2 concentration may be employed as a warning trigger. Other driving energy sources for airway valves, and monitoring thereof, are also disclosed.

    摘要翻译: 提高气道瓣膜运行可靠性和监测的方法和装置,以提高患者的安全性。 用于致动气道瓣膜的气动控制管路压力(正或负)可以在给定量级或选定范围内被指定并连续监测。 可以通过致动压力源或放气阀来补偿减压或过大的压力,并且可以进行监控,以便警告使用者偏离范围或选定幅度或频率的偏差或其组合的任何偏差。 可以使用气流和二氧化碳感测来监测二氧化碳的启发,同时检测到二氧化碳量过大会触发警告。 类似地,可以使用测量的潮汐或末端启发的二氧化碳或其他适当的二氧化碳浓度测量作为警告触发。 还公开了用于气道瓣膜的其它驱动能源及其监视。