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    • 71. 发明授权
    • Medical image processing device, medical image processing method, and medical image processing program
    • 医疗图像处理装置,医学图像处理方法,医学图像处理程序
    • US08503746B2
    • 2013-08-06
    • US12993392
    • 2009-05-26
    • Tomohiro Nagao
    • Tomohiro Nagao
    • G06K9/00
    • A61B6/032G06T5/50G06T7/11G06T2207/10072G06T2207/30008G06T2207/30048
    • A medical image processing device etc. which supports work for precisely identifying the area of a diagnosis object from a medical image scanned by a medical imaging apparatus is provided.A CPU (11) of the medical image processing device (1) inputs image data and stores the same in a main memory (12) (S101).Next, the CPU (11) subjects the inputted image data to threshold processing (S102).Next, the CPU (11) stores, in the main memory (12), data obtained by separating the area of the high signal values of the binarized image data into a bone region and an angiographically scanned region (S103).Next, the CPU (11) identifies the contact area of the bone region and the angiographically scanned region from the data stored in the main memory (12) (S104).Next, the CPU (11) emphasizes the contact area stored in the main memory (12) at the S104 and displays the contact area on a display device (15) (S105).
    • 提供一种医疗图像处理装置等,其支持从由医学成像装置扫描的医学图像精确地识别诊断对象的区域的工作。 医疗图像处理装置(1)的CPU(11)输入图像数据并将其存储在主存储器(12)中(S101)。 接下来,CPU(11)对输入的图像数据进行阈值处理(S102)。 接下来,CPU(11)在主存储器(12)中存储通过将二值化图像数据的高信号值的区域分割为骨区域和血管造影扫描区域而获得的数据(S103)。 接下来,CPU(11)从存储在主存储器(12)中的数据中识别骨区域和血管造影扫描区域的接触面积(S104)。 接下来,CPU(11)在S104中强调存储在主存储器(12)中的接触区域,并在显示装置(15)上显示接触区域(S105)。
    • 76. 发明授权
    • Open-type MRI apparatus, and open-type superconducting MRI apparatus
    • 开放型MRI装置和开放型超导MRI装置
    • US08466681B2
    • 2013-06-18
    • US12673372
    • 2008-08-25
    • Munetaka TsudaKenji Sakakibara
    • Munetaka TsudaKenji Sakakibara
    • G01V3/00
    • A61B5/055G01R33/3806G01R33/3854G01R33/3873
    • Provided is an open-type MRI apparatus comprising a pair of magnetic field generating means arranged to face each other across a space for imaging an object, a pair of static magnetic field generating means holding means for holding the pair of static magnetic field generating means at a predetermined interval, and a pair of tabular gradient magnetic coil structures arranged on the imaging space side of the static magnetic field generating means. The individual tabular gradient magnetic coil structures are fixed on their individually facing static magnetic field generating means at a plurality of positions for suppressing the deformations, which occur in the gradient magnetic coil structures, by the Lorentz forces which act, when driving electric currents are fed to gradient magnetic coils, on the coil conductors.
    • 本发明提供一种开放型磁共振成像装置,其包括:一对磁场产生装置,被配置成在物体成像用空间上彼此相对;一对静磁场产生装置保持装置,用于将一对静磁场产生装置保持在 以及布置在静磁场产生装置的成像空间侧上的一对平板状梯度磁线圈结构。 各个平板梯度磁线圈结构在多个位置固定在其各自的静磁场产生装置上,用于通过在驱动电流被馈送时作用的洛伦兹力来抑制发生在梯度电磁线圈结构中的变形 到线圈导体上的梯度磁线圈。
    • 77. 发明授权
    • Ultrasonic diagnostic apparatus
    • 超声波诊断仪
    • US08465430B2
    • 2013-06-18
    • US11577334
    • 2005-10-11
    • Hiroshi KandaMitsuhiro OshikiRyuichi Shinomura
    • Hiroshi KandaMitsuhiro OshikiRyuichi Shinomura
    • A61B8/14
    • G01S15/8979G01S7/52023
    • An ultrasonic diagnostic apparatus is disclosed for improving the signal to noise ratio of a receiving system, and allowing demodulation processing of ultrasonic reflection signals at the transducer during the receive process. The ultrasonic diagnostic apparatus includes an ultrasonic probe which transmits and receives ultrasound to and from a subject, a transmitting unit which supplies driving signals to the ultrasonic probe, and a receiving unit which processes signals to be output from the ultrasonic probe and calculates diagnostic information regarding the subject. The ultrasonic probe is equipped with a receiving transducer having sensitivity which changes according to the level of bias voltage to be applied. The receiving unit is equipped with a modulated bias amplification unit which applies signals of bias voltage with modulated amplitude to the receiving transducer.
    • 公开了一种用于提高接收系统的信噪比的超声波诊断装置,并且允许在接收过程期间在换能器处的超声波反射信号的解调处理。 超声波诊断装置包括:向被检体发送超声波的超声波探头;向超声波探头供给驱动信号的发送部;以及处理从超声波探头输出的信号的接收部,计算关于 主题。 超声波探头配备有具有根据要施加的偏置电压的水平而变化的灵敏度的接收换能器。 接收单元配备有调制偏压放大单元,其将具有调制振幅的偏置电压的信号施加到接收换能器。
    • 78. 发明授权
    • Mobile X-ray apparatus
    • 移动式X光装置
    • US08419276B2
    • 2013-04-16
    • US12735858
    • 2008-11-20
    • Yuji OdaTomokazu TakaeShinya KitamuraTatsuo IiyamaKenji Takata
    • Yuji OdaTomokazu TakaeShinya KitamuraTatsuo IiyamaKenji Takata
    • H05G1/02
    • G03B42/02A61B6/4283A61B6/4405
    • The present invention is directed to a mobile X-ray apparatus having a main unit, a moving carriage for installing the main unit, a column standing on the moving carriage, an X-ray generator supported by the column, and an image reader for reading X-ray image information from an imaging plate in which the X-ray image information is stored. The X-ray apparatus is provided with a brake for putting a brake on the moving carriage, a brake control means for applying the brake or releasing the brake, a read control means for prohibiting reading by the image reader, while the brake control means releases the brake, a cassette loading slot for inserting a cassette enclosing the imaging plate into the image reader, a blocking member for closing at least a part of the cassette loading slot to block the cassette to be inserted, and an open and close control means for closing the blocking member to prevent insertion of the cassette while the read control means prohibits reading.
    • 本发明涉及具有主单元,用于安装主单元的移动托架,站在移动托架上的列,由列支撑的X射线发生器和用于读取的图像读取器的移动X射线设备 存储有X射线图像信息的成像板的X射线图像信息。 该X射线装置设置有用于将制动器放置在移动的滑架上的制动器,用于施加制动或释放制动器的制动控制装置,用于禁止图像读取器读取的读取控制装置,同时制动控制装置释放 制动器,用于将包围成像板的盒子插入到图像读取器中的盒装载槽,用于封闭盒装载槽的至少一部分以阻挡待插入的盒的阻挡构件,以及用于 当读取控制装置禁止读取时,闭合阻挡构件以防止盒的插入。
    • 79. 发明授权
    • Ultrasonic imaging apparatus
    • 超声波成像装置
    • US08388537B2
    • 2013-03-05
    • US12810327
    • 2008-08-28
    • Shinichiro UmemuraTakashi Azuma
    • Shinichiro UmemuraTakashi Azuma
    • A61B8/14
    • A61B8/481
    • An echo signal reflected from a microbubble contrast agent is discriminated from an echo signal generated upon reflection of a nonlinearly propagated transmission pulse from the body tissues without degradation of the axial resolution, by performing transmission/reception twice or less which would hardly decrease the imaging speed. By detecting a difference in phase of the second harmonic component based on the fundamental component included in the echo signal, an echo signal generated upon nonlinear reflection from a microbubble contrast agent is discriminated from an echo signal generated upon linear reflection of a nonlinearly propagated transmission pulse from the body tissues. The phase of the second harmonic component is detected through phase sensitive detection in which the square of the fundamental component is used as a reference wave. Concurrently, a pulse inversion method is used to extract the second harmonic component included in the original echo signal, whereby degradation of the axial resolution is prevented.
    • 从微泡造影剂反射的回波信号与通过非线性传播的来自身体组织的传播脉冲反射而产生的回波信号进行区分,而不会降低轴向分辨率,通过执行两次或更少的几乎不降低成像速度的发送/接收 。 通过基于包含在回波信号中的基波分量来检测二次谐波分量的相位差,从微泡造影剂的非线性反射产生的回波信号与在非线性传播的传输脉冲的线性反射时产生的回波信号 从身体组织。 通过使用基波分量的平方作为基准波的相位检测来检测二次谐波分量的相位。 同时,使用脉冲反转方法来提取包括在原始回波信号中的二次谐波分量,由此防止轴向分辨率的劣化。