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    Signal processing apparatus
    11.
    发明授权
    Signal processing apparatus 失效
    信号处理装置

    公开(公告)号：US06263222B1

    公开(公告)日：2001-07-17

    申请号：US08943511

    申请日：1997-10-06

    申请人： Mohamed K. Diab ,  Massi E. Kiani ,  Walter M Weber

    发明人： Mohamed K. Diab ,  Massi E. Kiani ,  Walter M Weber

    IPC分类号： A61B500

    CPC分类号： G06K9/0051 ,  A61B5/14551 ,  A61B5/7214 ,  A61B5/726 ,  H04B1/123

    摘要： 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.

    摘要翻译： 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。

    Low noise optical probe
    12.
    发明授权
    Low noise optical probe 失效
    低噪声光探头

    公开(公告)号：US6088607A

    公开(公告)日：2000-07-11

    申请号：US790674

    申请日：1997-01-28

    申请人： Mohamed Kheir Diab ,  Massi E. Kiani ,  James M. Lepper, Jr.

    发明人： Mohamed Kheir Diab ,  Massi E. Kiani ,  James M. Lepper, Jr.

    IPC分类号： A61B5/022 ,  A61B5/00 ,  A61B5/024 ,  A61B5/0245 ,  A61B5/145 ,  A61B5/1455 ,  G01N21/17 ,  G01N21/59 ,  H05K1/18

    CPC分类号： A61B5/14552 ,  A61B5/02427 ,  A61B5/6826 ,  A61B5/6829 ,  A61B5/6838 ,  A61B2562/08 ,  A61B2562/12 ,  H05K1/189

    摘要： An optical probe for measurements, which is particularly suited to reduce noise in measurements taken on an easily compressible material, such as a finger, a toe, a forehead, an earlobe, or a lip. The probe includes a base having an aperture which leads to a chamber. The base is placed adjacent a portion of the material, the chamber being placed directly adjacent any easily compressible portion of the material. A photodetector is located within the chamber and does not contact the material. A light emitting diode (LED) is affixed to the material, opposite the photodetector and above the chamber. The material which is supported by the aperture and therefore rests above or has intruded into the chamber is inhibited from compression since nothing comes in contact with this portion of the material, even when the material moves. Thus, light from the LED is directed through a stabilized portion of the material, i.e., the optical path length through which light travels is stabilized, even during motion of the material. This reduces noise in the signal measured by the photodetector. A scattering medium is interposed between the LED and the material, between the material and the photodetector, or between the LED and the material as well as between the material and the photodetector. The scattering medium is used to improve the signal-to-noise ratio of the received optical signal.

    摘要翻译： 用于测量的光学探针，其特别适用于减少在容易压缩的材料（例如手指，脚趾，额头，耳垂或唇部）上进行的测量中的噪声。 探针包括具有通向腔室的孔的底座。 基部放置在材料的一部分附近，该腔被直接放置在材料的任何容易压缩的部分附近。 光电检测器位于室内并且不接触材料。 发光二极管（LED）固定在材料上，与光电检测器相对并且在室上方。 被孔支撑并且因此搁置在腔室中或已经入侵到腔室中的材料被抑制，因为即使当材料移动时也不会与材料的这一部分接触。 因此，即使在材料的运动期间，来自LED的光被引导通过材料的稳定部分，即光行进的光路长度被稳定。 这降低了由光电检测器测量的信号中的噪声。 散射介质介于LED和材料之间，材料和光电检测器之间，或介于LED和材料之间以及材料与光电检测器之间。 散射介质用于提高接收到的光信号的信噪比。

    Low-noise optical probes
    13.
    发明授权
    Low-noise optical probes 失效
    低噪声光探头

    公开(公告)号：US5782757A

    公开(公告)日：1998-07-21

    申请号：US543789

    申请日：1995-10-16

    申请人： Mohamed Diab ,  Massi E. Kiani ,  David R. Tobler ,  Thomas J. Gerhardt ,  Eugene M. Mason ,  Mike A. Mills

    发明人： Mohamed Diab ,  Massi E. Kiani ,  David R. Tobler ,  Thomas J. Gerhardt ,  Eugene M. Mason ,  Mike A. Mills

    IPC分类号： A61B5/022 ,  A61B5/00 ,  A61B5/024 ,  A61B5/0245 ,  A61B5/145 ,  A61B5/1455 ,  G01N21/17 ,  G01N21/59 ,  H05K1/18

    CPC分类号： A61B5/14552 ,  A61B5/02427 ,  A61B5/6826 ,  A61B5/6829 ,  A61B5/6838 ,  A61B2562/08 ,  A61B2562/12 ,  H05K1/189

    摘要： An optical probe, which is particularly suited to reduce noise in measurements taken on an easily compressible material, such as a finger, a toe, a forehead, an earlobe, or a lip, measures characteristics of the material. A neonatal and adult disposable embodiment of the probe include adhesive coated surfaces to securely affix the probe onto the patient. In addition, the surface of the probe is specially constructed to minimize light piping effects. Furthermore, a flex circuit acts as a spring to absorb shock which may misalign the emitter and detector. One embodiment of the adult probe includes a cushioning pocket formed for a fingertip to align the probe and to absorb motion of the probe due to contact. The neonatal probe is formed with a unique V-configuration which provides multiple advantages.

    摘要翻译： 光学探头特别适用于减少在容易压缩的材料（例如手指，脚趾，额头，耳垂或唇部）上进行的测量中的噪音，测量材料的特性。 探针的新生儿和成人一次性实施例包括粘合剂涂覆的表面以牢固地将探针附接到患者身上。 此外，探针的表面是特别构造的，以最大限度地减少光线管道的影响。 此外，柔性电路用作弹簧以吸收可能使发射器和检测器不对准的冲击。 成人探针的一个实施例包括形成为指尖以对准探针并吸收由于接触而引起的探针运动的缓冲腔。 新生儿探针形成了独特的V形结构，提供多种优点。

    Disposable active pulse sensor
    15.
    发明授权
    Disposable active pulse sensor 有权
    一次性有源脉冲传感器

    公开(公告)号：US08764671B2

    公开(公告)日：2014-07-01

    申请号：US12147299

    申请日：2008-06-26

    申请人： Massi E. Kiani

    发明人： Massi E. Kiani

    IPC分类号： A61B5/02

    CPC分类号： A61B5/02427 ,  A61B5/0048 ,  A61B5/0051 ,  A61B5/0261 ,  A61B5/14551 ,  A61B5/14552 ,  A61B5/6826 ,  A61B5/7221

    摘要： A disposable active pulse sensor has an emitter that generates optical radiation having a plurality of wavelengths, a detector that is responsive to the optical radiation and an unbalanced electrical motor that vibrates when energized. A tape assembly removably attaches the emitter, the detector and the unbalanced electrical motor to a tissue site. The tape assembly also physically mounts the emitter, the detector and the unbalanced electrical motor in a spatial arrangement so that vibration from the unbalanced electrical motor induces pulsatile blood flow within the tissue site, the emitter transmits the optical radiation into the tissue site and the detector generates a sensor signal responsive to the intensity of the optical radiation after attenuation by the pulsatile blood flow within the tissue site.

    摘要翻译： 一次性有源脉冲传感器具有产生具有多个波长的光辐射的发射器，响应于光辐射的检测器和在通电时振动的不平衡电动机。 胶带组件可拆卸地将发射器，检测器和不平衡电动机附接到组织部位。 磁带组件还将发射器，检测器和不平衡电动机物理地安装在空间布置中，使得来自不平衡电动机的振动在组织部位内引起脉动血液流动，发射器将光学辐射器传输到组织部位和检测器 通过在组织部位内的脉动血流衰减后响应于光辐射的强度产生传感器信号。

    Fluid titration system
    16.
    发明授权
    Fluid titration system 有权
    流体滴定系统

    公开(公告)号：US08048040B2

    公开(公告)日：2011-11-01

    申请号：US12208998

    申请日：2008-09-11

    申请人： Massi E. Kiani

    发明人： Massi E. Kiani

    IPC分类号： A61M5/00 ,  A61B5/00

    CPC分类号： A61B5/6826 ,  A61B5/0295 ,  A61B5/14551 ,  A61B5/6838 ,  A61M5/142 ,  A61M2205/3306 ,  A61M2205/3313

    摘要： A fluid titration system has an optical sensor, a physiological monitor, a titration controller and an infusion device. The optical sensor transmits multiple wavelengths of light into a tissue site of a person and detects the optical radiation after attenuation by pulsatile blood flowing within the tissue site. The physiological monitor receives a resulting sensor signal and derives a plethysmograph that corresponds to the pulsatile blood flow. The monitor also calculates a plethysmograph variability measure that is responsive to changes in perfusion at the tissue site. A titration controller generates a fluid control output according to the variability measure. The infusion device administers a liquid solution via an intravenous (IV) connection to the person according to the fluid control output so as to regulate at least one of a fluid flow start, rate and stop.

    摘要翻译： 液体滴定系统具有光学传感器，生理监测器，滴定控制器和输注装置。 光学传感器将多个波长的光发射到人的组织部位，并通过在组织部位内流动的脉动血液来检测衰减后的光辐射。 生理监测器接收所得到的传感器信号并导出对应于脉动血流量的体积描记器。 显示器还计算出对组织部位灌注变化有反应的体积描记器变异性测量。 滴定控制器根据可变性度量产生流体控制输出。 输注装置通过根据流体控制输出的人静脉内（IV）连接来施用液体溶液，以调节流体流动开始，速率和停止中的至少一个。

    PORTABLE PATIENT MONITOR
    19.
    发明申请
    PORTABLE PATIENT MONITOR 有权
    便携式患者监护仪

    公开(公告)号：US20090306488A1

    公开(公告)日：2009-12-10

    申请号：US12343345

    申请日：2008-12-23

    申请人： Ammar Al-Ali ,  Chris Schulz ,  Massi E. Kiani ,  Roger C. Wu ,  Garrick Maurer

    发明人： Ammar Al-Ali ,  Chris Schulz ,  Massi E. Kiani ,  Roger C. Wu ,  Garrick Maurer

    IPC分类号： A61B5/1455

    CPC分类号： A61B5/14551 ,  A61B5/0205 ,  A61B5/7475 ,  A61B2560/0406

    摘要： Embodiments of the present disclosure includes a portable pulse oximeter, such as a handheld pulse oximeter, that provides a user with intuitive key navigation for device operation, which reduces an amount of visual concentration needed to handle and operate the oximeter. In various embodiments, the portable pulse oximeter includes one or more of user input keys disposed along curve, an alignment edge providing guidance by feel of a user's digits to the input keys, raised convex keys also providing navigation by feel, a protective boot disposed around various portions of the oximeter housing to protect against impacts, a table-top stand, combinations of the same, or the like.

    摘要翻译： 本公开的实施例包括便携式脉搏血氧计，例如手持脉搏血氧计，其为用户提供用于装置操作的直观键导航，其减少了处理和操作血氧计所需的视觉浓度的量。 在各种实施例中，便携式脉搏血氧计包括沿着曲线设置的一个或多个用户输入键，对准边缘通过用户对输入键的数字的感觉提供引导，凸起的凸键还通过触感提供导航，围绕 血氧仪壳体的各个部分以防止冲击，台式支架，其组合等。