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    • 2. 发明授权
    • Dual-mode pulse oximeter
    • 双模脉搏血氧仪
    • US07530949B2
    • 2009-05-12
    • US10911391
    • 2004-08-03
    • Ammar Al AliDon CarothersDavid DalkeMohamed K. DiabJulian GoldmanMassi E. KianiMichael LeeJerome NovakRobert SmithVal E. Vaden
    • Ammar Al AliDon CarothersDavid DalkeMohamed K. DiabJulian GoldmanMassi E. KianiMichael LeeJerome NovakRobert SmithVal E. Vaden
    • A61B5/00
    • A61B5/14551A61B5/0002A61B5/1495A61B5/742A61B2560/0271A61B2560/0456A61B2562/085G06F19/00
    • A pulse oximeter has an integrated mode in which it operates as a plug-in module for a multiparameter patient monitoring system (MPMS). The pulse oximeter also has a portable mode in which operates separately from the MPMS as a battery-powered handheld or standalone instrument. The pulse oximeter has a sensor port that receives a photo-plethysmographic signal as input to an internal processor. The pulse oximeter processes this sensor signal to derive oxygen saturation and pulse rate measurements. In the portable mode, this information is provided on its display, and stored in memory for trend capability. In the integrated mode, the pulse oximeter provides oxygen saturation and pulse rate measurements to the MPMS through a docking station to be displayed on a MPMS monitor. In the integrated mode, the portable pulse oximeter docks to the docking station, which in turn is inserted in one or more MPMS slots. The docking station can function as a simple electrical pass-through device between the docked portable pulse oximeter and the MPMS or it can provide a MPMS communications interface.
    • 脉搏血氧计具有集成模式,其作为用于多参数病人监测系统(MPMS)的插件模块。 脉搏血氧计还具有便携式模式,其中与MPMS分开操作,作为电池供电的手持或​​独立仪器。 脉搏血氧计具有传感器端口,其接收作为对内部处理器的输入的光学体积描记信号。 脉冲血氧计处理该传感器信号以导出氧饱和度和脉搏率测量。 在便携式模式中,该信息在其显示器上提供,并存储在存储器中用于趋势能力。 在集成模式中,脉搏血氧计通过对接站向MPMS提供氧饱和度和脉搏率测量,以在MPMS监视器上显示。 在集成模式中,便携式脉搏血氧仪停靠在对接站,对接站又插入一个或多个MPMS槽中。 对接站可以作为对接便携式脉搏血氧计与MPMS之间的简单电气穿越装置,或者可以提供MPMS通信接口。
    • 3. 发明授权
    • Signal processing apparatus
    • 信号处理装置
    • US06263222B1
    • 2001-07-17
    • US08943511
    • 1997-10-06
    • Mohamed K. DiabMassi E. KianiWalter M Weber
    • Mohamed K. DiabMassi E. KianiWalter M Weber
    • A61B500
    • G06K9/0051A61B5/14551A61B5/7214A61B5/726H04B1/123
    • A signal processor which acquires a first signal, including a first primary signal portion and a first secondary signal portion, and a second signal, including a second primary signal portion and a second secondary signal portion, wherein the first and second primary signal portions are correlated. The signals may be acquired by propagating energy through a medium and measuring an attenuated signal after transmission or reflection. Alternatively, the signals may be acquired by measuring energy generated by the medium. A processor of the present invention generates a primary or secondary reference signal which is a combination, respectively, of only the primary or secondary signal portions. The secondary reference signal is then used to remove the secondary portion of each of the first and second measured signals via a correlation canceler, such as an adaptive noise canceler, preferably of the joint process estimator type. The primary reference signal is used to remove the primary portion of each of the first and second measured signals via a correlation canceler. The processor of the present invention may be employed in conjunction with a correlation canceler in physiological monitors wherein the known properties of energy attenuation through a medium are used to determine physiological characteristics of the medium. Many physiological conditions, such as the pulse, or blood pressure of a patient or the concentration of a constituent in a medium, can be determined from the primary or secondary portions of the signal after other signal portion is removed.
    • 一种信号处理器,其获取包括第一主信号部分和第一辅助信号部分的第一信号和包括第二主信号部分和第二辅信号部分的第二信号,其中第一和第二主信号部分相关 。 信号可以通过传播能量通过介质并在透射或反射之后测量衰减信号来获取。 或者,可以通过测量由介质产生的能量来获取信号。 本发明的处理器分别产生主要或次要参考信号,其仅是主要信号部分或次要信号部分的组合。 然后,辅助参考信号用于经由相关消除器(例如自适应噪声消除器)去除第一和第二测量信号中的每一个的次级部分,优选地是联合过程估计器类型。 主参考信号用于通过相关消除器去除第一和第二测量信号中的每一个的主要部分。 本发明的处理器可以与生理监视器中的相关消除器一起使用,其中通过介质的能量衰减的已知特性用于确定介质的生理特性。 可以从消除其他信号部分之后的信号的主要部分或次要部分确定许多生理条件,例如患者的脉搏或血压或培养基中成分的浓度。