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    • 4. 发明申请
    • ULTRASONIC DIAGNOSTIC APPARATUS, ULTRASONIC IMAGE PROCESSING APPARATUS, AND MEDICAL IMAGE DIAGNOSTIC APPARATUS
    • 超声波诊断装置,超声波图像处理装置和医用图像诊断装置
    • US20110301457A1
    • 2011-12-08
    • US13152675
    • 2011-06-03
    • Hiroki YOSHIARANaohisa KamiyamaTetsuya Yoshida
    • Hiroki YOSHIARANaohisa KamiyamaTetsuya Yoshida
    • A61B8/00
    • G01S7/52071A61B6/481A61B6/504A61B8/08G01S7/52026G01S7/52074
    • According to one embodiment, an ultrasonic diagnostic apparatus which comprises an ultrasonic transmission/reception unit configured to transmit ultrasonic waves to a scan area including a predetermined region throughout an analysis period, receive reflected waves from the scan area, and acquire ultrasonic data associated with the scan area for each phase in the analysis period, an analysis unit configured to generate a luminance time curve associated with at least one analysis area included in the scan area by using the ultrasonic data in each phase in the analysis period and analyze a stagnant time of the contrast medium associated with at least one analysis area based on the generated luminance time curve, an image generation unit configured to generate a stagnant time image for each phase in the analysis period, with different hues being assigned to at least one analysis area in accordance with the stagnant times.
    • 根据一个实施例,一种超声波诊断装置,包括:超声波发送/接收单元,被配置为在整个分析周期内将超声波发送到包括预定区域的扫描区域,接收来自扫描区域的反射波,并获取与该扫描区域相关联的超声波数据 扫描区域,分析单元,被配置为通过在分析周期中的每个阶段中使用超声波数据来生成与包括在扫描区域中的至少一个分析区域相关联的亮度时间曲线,并且分析停止时间 所述造影剂基于所生成的亮度时间曲线与至少一个分析区域相关联;图像生成单元,被配置为在分析周期中为每个相位生成停滞的时间图像,其中不同的色调被分配给至少一个分析区域 随着时间的流逝。
    • 9. 发明申请
    • ULTRASONIC DIAGNOSTIC APPARATUS AND CONTROL PROGRAM THEREOF
    • 超声波诊断设备及其控制程序
    • US20090187107A1
    • 2009-07-23
    • US12255218
    • 2008-10-21
    • Tetsuya YOSHIDA
    • Tetsuya YOSHIDA
    • A61B8/14
    • A61B8/06A61B8/481
    • A transmission/reception unit executes first ultrasonic transmission using a sound pressure that does not substantially destroy the contrast medium bubbles and is required to obtain an ultrasonic image of the subject and a second ultrasonic transmission using a sound pressure that is required to destroy the contrast medium bubbles and higher than the sound pressure in the first ultrasonic transmission based on a transmission parameter specified by a control processor in accordance with each frame or each volume. The control processor changes the transmission parameter concerning the second ultrasonic transmission in accordance with time with respect to the transmission/reception unit.
    • 发送/接收单元使用基本不破坏造影剂气泡的声压执行第一超声波发送,并且需要使用破坏造影剂所需的声压来获得被摄体的超声波图像和第二超声波发送 气泡,并且基于由控制处理器根据每个帧或每个卷指定的传输参数,高于第一超声波传播中的声压。 控制处理器根据关于发送/接收单元的时间改变关于第二超声波发送的发送参数。
    • 10. 发明申请
    • Optical pickup
    • 光学拾音
    • US20090109819A1
    • 2009-04-30
    • US12289315
    • 2008-10-24
    • Ryozo HosodaTetsuya Yoshida
    • Ryozo HosodaTetsuya Yoshida
    • G11B7/00
    • G11B7/13927G11B7/0948G11B7/1378G11B2007/13727
    • A spherical aberration correction mechanism includes a plurality of aberration correction lenses, a movable portion in which the aberration correction lens is held, a fixed portion in which the movable portion is arranged so as to be slidable as well as the aberration correction lens is held, a shaft supporting the movable portion so as to be rotatable about the axis as well as to be slidable in the axial direction, a feed screw having spiral grooves, an engaging portion having convex portions to be engaged with the spiral grooves from one direction and a coil spring fitted to the outside of the shaft, pressing the movable portion in the axial direction. The coil spring has a rotation prevention portion engaged with the fixed portion and a torque biasing portion engaged with the movable portion, and the coil spring is installed in a twisted state in advance.
    • 球面像差校正机构包括多个像差校正透镜,其中保持有像差校正透镜的可移动部分,其中可移动部分被布置为可滑动的固定部分以及像差校正透镜被保持, 支撑所述可动部以能够沿轴向旋转并且能够沿轴向滑动的轴,具有螺旋槽的进给螺杆,具有与所述螺旋槽从一个方向接合的凸部的接合部和 螺旋弹簧安装在轴的外侧,沿着轴向按压可动部。 螺旋弹簧具有与固定部分接合的防旋转部分和与可动部分接合的扭矩施力部分,螺旋弹簧预先以扭转状态安装。