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    • 17. 发明申请
    • CO2 INDICATOR FOR PLACEMENT OF TRACHEAL TUBES
    • 二氧化碳指示器用于放置管道
    • WO1989007957A1
    • 1989-09-08
    • PCT/US1989000796
    • 1989-02-27
    • BRIGHAM & WOMEN'S HOSPITAL
    • BRIGHAM & WOMEN'S HOSPITALRAEMER, Daniel, B.WALT, David, R.MUNKHOLM, Christianne
    • A61M16/00
    • G01N31/223A61M16/042A61M16/0488A61M16/085A61M2016/0413A61M2230/202
    • The invention relates to a CO2 detector for the detection of CO2 in respiratory gases. In particular, the invention relates to medical devices which contain a CO2 detector disposed within the devices to allow detection of CO2 within respiratory gases. The invention also relates to a method for determining the proper placement of an intubation device comprising inserting a tracheal tube (28) having a CO2 detector disposed within, and observing whether the CO2 detector changes color in response to the CO2 which is present in respiratory gases. The CO2 detectors (38) of the invention comprise a pH sensitive dye (68) and a solid phase support (64). The CO2 detectors of the invention may further comprise a phase transport enhancer which allows the CO2 detector to respond contemporaneously with the presence or absence of CO2 in a respiratory gas on a breath by breath basis.
    • 本发明涉及一种用于检测呼吸气体中的二氧化碳的二氧化碳检测器。 特别地,本发明涉及包含设置在装置内的CO 2检测器以允许在呼吸气体中检测CO 2的医疗装置。 本发明还涉及一种用于确定插管装置的适当放置的方法,包括插入具有设置在其内的CO 2检测器的气管管(28),并观察CO 2检测器是否响应于呼吸气体中存在的CO 2而变色 。 本发明的CO 2检测器(38)包含pH敏感染料(68)和固相载体(64)。 本发明的CO 2检测器还可以包括相转移增强剂,其允许CO 2检测器在呼吸气体呼吸气体中同时响应CO 2的存在或不存在。
    • 18. 发明申请
    • CREATION AND USE OF MOVING REFERENCE FRAME FOR NMR IMAGING OF FLOW
    • 移动参考框架的流程NMR成像的创建和使用
    • WO1988001391A1
    • 1988-02-25
    • PCT/US1987001984
    • 1987-08-14
    • BRIGHAM & WOMEN'S HOSPITAL
    • BRIGHAM & WOMEN'S HOSPITALPATZ, Samuel, H.
    • G01R33/20
    • G01R33/563
    • NMR image in which the individual image element intensities are proportional to the amount of nuclei flowing within a window of velocities. The invention is predicated on the fact that static nuclei in a static reference frame provide the most intense portions of the NMR signal. A moving reference frame for image creation is created moving at the velocity of the nuclei to be imaged. Nuclei moving at the same velocity as the reference frame thus have zero velocity with respect to the reference frame, and hence provide maximum signal intensity. In the described embodiment, the moving reference frame is created by satisfaction of two conditions, which relate to tracking the Larmor frequency and phase of the nuclei of interest moving in a gradient. These conditions may be satisfied by variation of the main NMR magnetic field HO (20) as a function of time. The field may be varied simply by addition of an additional coil (22) to conventional NMR equipment. The invention is applicable to image formation using either steady state free precession techniques or conventional spin echo techniques.
    • NMR图像,其中单个图像元素强度与在速度窗口内流动的核的量成比例。 本发明基于静态参考系中的静态核提供NMR信号的最强烈部分的事实。 创建用于图像创建的移动参考框架以以待成像的核的速度移动。 因此,与参考系以相同速度移动的核相对于参考系具有零速度,因此提供最大的信号强度。 在所描述的实施例中,通过满足两个条件来创建运动参考系,这两个条件涉及跟踪以梯度移动的感兴趣的核的拉莫尔频率和相位。 这些条件可以通过作为时间的函数的主NMR磁场HO(20)的变化来满足。 可以简单地通过向常规NMR设备添加额外的线圈(22)来改变场。 本发明适用于使用稳态自由进动技术或常规自旋回波技术的图像形成。
    • 20. 发明申请
    • SUPERRESOLUTION ULTRASOUND
    • 超级超声波
    • WO2005019984A2
    • 2005-03-03
    • PCT/US2004/025077
    • 2004-08-04
    • BRIGHAM & WOMEN'S HOSPITAL, INC.CLEMENT, Gregory, T.HYNYNEN, Kullvero, H.
    • CLEMENT, Gregory, T.HYNYNEN, Kullvero, H.
    • G06F
    • A61B8/08A61B8/06A61B8/0825
    • A computer program product resides on a computer-readable medium and comprises computer-readable, computer-­executable instructions for causing a computer to transmit first indicia for an ultrasound propagation arrangement to propagate ultrasound energy toward a focal region containing an object, receive second indicia from a receiver positioned to receive the propagated ultrasound energy after passing at least one of by and through the object and configured to transduce the received ultrasound energy into the second indicia, analyze the second indicia to determine magnitude and phase of the received ultrasound energy, and use the determined magnitude and phase of the received ultrasound energy and knowledge of the ultrasound energy propagated from the propagation arrangement to mathematically propagate indicia of at least one of the received ultrasound energy and the transmitted ultrasound energy to a common location.
    • 计算机程序产品驻留在计算机可读介质上,并且包括计算机可读的计算机可执行指令,用于使计算机传送超声波传播装置的第一标记以向包含对象的聚焦区域传播超声能量,从第 接收器,定位成在通过并通过对象中的至少一个并且被配置为将所接收的超声能量转换成第二标记以接收传播的超声能量,分析第二标记以确定所接收的超声能量的大小和相位,并使用 接收的超声能量的确定的幅度和相位以及从传播装置传播的超声能量的知识将数学上将所接收的超声能量和所发送的超声能量中的至少一个的标记传播到公共位置。