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1. 发明专利

JP2009142680A Ultrasonic diagnostic apparatus 有权
标题翻译：超声诊断设备
公开(公告)号：JP2009142680A
公开(公告)日：2009-07-02
申请号：JP2009077461
申请日：2009-03-26
申请人： Hitachi Medical Corp , 株式会社日立メディコ
发明人： BABA HIROTAKA , MIWA YUICHI
IPC分类号： A61B8/00
摘要： PROBLEM TO BE SOLVED: To provide an ultrasonic diagnostic apparatus having improved focus precision by optionally indicating and setting the value of reception wave delay correction switching interval to a value of reception wave delay correction value switching interval by a presumed standard sonic speed to change the set value to an optimum value. SOLUTION: The ultrasonic diagnostic apparatus includes a focus switching interval storage part 7 and a focus switching interval indication part 8 as means to refer to a value of switching interval of reception wave delay correction value in a phasing addition part 3 capable of arranging phases of reception signals processed by an ultrasonic transmission/reception part 2 and designates and sets the interval of switching the reception wave delay correction value to adjust the focus by changing the reception wave delay correction interval. Thereby, the reception wave delay correction value switching interval can be optionally varied and set to change it to an optimum value to improve the focus precision. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：解决的问题：为了提供一种具有改进的聚焦精度的超声波诊断装置，可选地将接收波延迟校正切换间隔的值设定为接收波延迟校正值切换间隔的值，推定标准声速到将设置值更改为最佳值。解决方案：超声波诊断装置包括焦点切换间隔存储部7和焦点切换间隔指示部8，作为参照能够布置的相位加法部3中的接收波延迟校正值的切换间隔的值的手段通过超声波发送/接收部分2处理的接收信号的相位，并且指定并设置切换接收波延迟校正值的间隔，以通过改变接收波延迟校正间隔来调整焦点。由此，可以可选地改变接收波延迟校正值切换间隔并将其设定为最佳值，以提高聚焦精度。版权所有（C）2009，JPO＆INPIT

2. 发明专利

JP2009006168A Ultrasonic diagnosis device 有权
标题翻译：超声诊断装置
公开(公告)号：JP2009006168A
公开(公告)日：2009-01-15
申请号：JP2008229807
申请日：2008-09-08
申请人： Hitachi Medical Corp , 株式会社日立メディコ
发明人： MIWA YUICHI , SHINOMURA RYUICHI , UMEMURA SHINICHIRO
IPC分类号： A61B8/00 , G01S7/52
CPC分类号： G01S7/52092 , G01S7/52026 , G01S7/52034 , G01S7/52046
摘要： PROBLEM TO BE SOLVED: To provide a technology that freely changes the frequency of a reference signal in a digitized ultrasonic diagnosis device employing frequency shift beamforming method and makes it possible to conduct various high-quality or high-speed imaging.
SOLUTION: Reception signals obtained by an ultrasonic element group disposed in an array are digitized in a sampling cycle higher than a Nyquist frequency of the reception signals, and are mixed with reference signal. The mixed signals are then accumulated in a sampling direction, beamformed and added by wave reception focusing means. The reference signal serially are read out to be used from memory means in such a manner as to correspond to the sampling number of the reception signals. A reference signal train acquired from signals, the frequency of which decreases gradually with a lapse of time, from wave transmission, or a reference signal train obtained alternately from two signals having different frequencies, may be stored in advance in memory means.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：解决的问题：提供一种使用频移波束形成方法在数字化超声波诊断装置中自由地改变参考信号的频率的技术，并且可以进行各种高质量或高速成像。解决方案：通过设置在阵列中的超声波元件组获得的接收信号以比接收信号的奈奎斯特频率高的采样周期被数字化，并与参考信号混合。然后，混合信号以采样方向累积，波束形成并由波接收聚焦装置相加。串行地读取参考信号以从存储器装置中使用以对应于接收信号的采样数的方式。可以从存储装置中预先存储从频率从具有不同频率的两个信号交替地从波发送或参考信号序列中逐渐减小的频率的信号获取的参考信号序列。版权所有（C）2009，JPO＆INPIT

3. 发明专利

JP2004113364A Ultrasonic imaging device and ultrasonic imaging method 有权
公开(公告)号：JP2004113364A
公开(公告)日：2004-04-15
申请号：JP2002279413
申请日：2002-09-25
申请人： Hitachi Medical Corp , 株式会社日立メディコ
发明人： AZUMA TAKASHI , UMEMURA SHINICHIRO , MIWA YUICHI
IPC分类号： A61B8/00 , G01S7/52 , G01S15/89 , G10K11/34
CPC分类号： G01S7/52049 , G01S7/52026 , G01S15/899 , G10K11/346
摘要： PROBLEM TO BE SOLVED: To provide an ultrasonic imaging device capable of correcting a phase rotation effect and imaging true acoustic impedance change in a living body.
SOLUTION: Ultrasonic wave signals returned from an inspection object to a search unit 1 are converted to electric signals by the search unit 1 and sent through a transmission / reception changeover switch group 5 to a complex reception beam former 20 and dynamic focusing for adjusting a delay time corresponding to the timing of reception is executed. By using the output of the beam former 20 which outputs the beams of a real part and an imaginary part, in a phase rotation correction part 21, phase rotation due to attenuation depending on a frequency is corrected or a phase rotation portion in the azimuth direction of the beam is corrected or both of them are corrected. After the correction of the phase rotation, in an acoustic impedance change amount computing part 22, a derivative relating to the space position of acoustic impedance is obtained, and filtered signals are displayed by an image at a display part 24 through a scanning converter 23.
COPYRIGHT: (C)2004,JPO

4. 发明专利

JP2003070788A Ultrasonic diagnostic unit 有权
标题翻译：超声诊断单元
公开(公告)号：JP2003070788A
公开(公告)日：2003-03-11
申请号：JP2001271427
申请日：2001-09-07
申请人： Hitachi Medical Corp , 株式会社日立メディコ
发明人： BABA HIROTAKA , SHINOMURA RYUICHI , MIWA YUICHI , SASAKI AKIRA
IPC分类号： A61B8/00 , H04R1/44 , H04R17/00
摘要： PROBLEM TO BE SOLVED: To provide an ultrasonic diagnostic unit which is prevented from beam deterioration corresponding to variation of thickness, shape, or temperature of an acoustic coupler to improve image quality.
SOLUTION: This ultrasonic diagnostic unit is equipped with an acoustic coupler thickness indication part 20 which can make values of thickness data and sound speed data of the acoustic coupler 10 arbitrarily variable and change the data set by simple operation when an acoustic coupler 10 is connected to a probe 11 of this ultrasonic diagnostic unit and an acoustic coupler sound speed indication part 20. Means to automatically measure acoustic coupler thickness and sound speed alternative to the acoustic coupler thickness indication part 20 and the acoustic coupler sound speed indication part 20 can be equipped.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：提供一种防止与声耦合器的厚度，形状或温度的变化相对应的光束劣化的超声诊断单元，以提高图像质量。解决方案：该超声波诊断单元配备有声耦合器厚度指示部分20，其可以使声学耦合器10的厚度数据和声速数据的值任意变化，并且当声耦合器10连接到该超声波诊断单元的探头11和声耦合器声速指示部20.可以配备自动测量与声耦合器厚度指示部20和声耦合器声速指示部20相对应的声耦合器厚度和声速的装置。

5. 发明专利

JP2014226562A ＣＴ装置、ＣＴ画像システム、及びＣＴ画像生成方法有权
标题翻译： CT装置，CT成像系统和CT图像生成方法
公开(公告)号：JP2014226562A
公开(公告)日：2014-12-08
申请号：JP2014108225
申请日：2014-05-26
申请人：株式会社日立メディコ , Hitachi Medical Corp
发明人： SHENG XINGDONG , MIWA YUICHI , GOTO TAIGA
IPC分类号： A61B6/03
摘要：【課題】安全性の確保を前提とした上で、CT画質とCT画像生成効率とを兼ね備えたCT装置、CT画像システム及びCT画像生成方法を実現する。【解決手段】X線によってスキャン領域をスキャンし、前記スキャン領域に位置するスキャン対象のCT画像を生成するCT装置であって、前記スキャン領域における所定の位置に設けられた標準物質装置と、前記標準物質装置の既知のCT画像情報、及びスキャンによって得られた前記スキャン領域のスキャンデータに基づいて、前記スキャン対象のCT画像を生成するCT画像生成装置とを備える。【選択図】図1
摘要翻译：要解决的问题：在确保安全性的前提下，实现CT设备，CT成像系统和具有所需CT图像质量和CT图像生成效率的CT图像生成方法。解决方案：扫描扫描的CT装置并且产生位于扫描区域的扫描对象的CT图像，包括：设置在扫描区域中的预定位置的标准物质装置; 以及CT图像生成装置，其基于标准物质装置的已知CT图像信息和通过扫描获得的扫描区域的扫描数据来生成扫描对象的CT图像。

6. 发明专利

JPH11276477A Ultrasonic device 失效
标题翻译：超声波装置
公开(公告)号：JPH11276477A
公开(公告)日：1999-10-12
申请号：JP20095998
申请日：1998-07-15
申请人： Hitachi Medical Corp , 株式会社日立メディコ
发明人： SHINOMURA RYUICHI , UMEMURA SHINICHIRO , MIWA YUICHI , KUBOTA JUN , TAMANO SATOSHI , ASAFUSA KATSUNORI
IPC分类号： A61B8/00
CPC分类号： G01S7/52034 , G01S7/52038
摘要： PROBLEM TO BE SOLVED: To provide a technology capable of performing two-frequency processing in a phasing system ultrasonic device to perform processing on a central frequency.
SOLUTION: In an ultrasonic device having an ultrasonic wave transmitting/ receiving means composed of a plurality of ultrasonic oscillators to transmit/ receive an ultrasonic wave, a received wave phasing means to perform delay processing of a received signal, an adding means to add the received signal after the delay processing and a display means to successively display a received beam formed by the received wave phasing means and the adding means as an ultrasonic wave image, the received wave phasing means has a sampling means 103 to sample the received signal in a frequency of eight times a frequency of a transmitting signal, an eight-time delay processing means to perform delay processing on the received signal sampled by this sampling means 103 at a frequency interval of eight times the transmitting signal and a four-time delay processing means to perform delay processing on the received signal sampled by the sampling means 103 at a frequency interval of four times a frequency of the transmitting signal.
COPYRIGHT: (C)1999,JPO
摘要翻译：要解决的问题：提供一种能够在定相系统超声装置中进行双频处理以对中心频率进行处理的技术。解决方案：在具有由多个超声波振荡器组成的超声波发射/接收装置以发送/接收超声波的超声波装置中，接收波相位装置执行接收信号的延迟处理，加法装置，在延迟处理之后的信号和显示装置连续地显示由接收的波相位装置和加法装置形成的接收波束作为超声波图像，接收波相位装置具有采样装置103，以频率采样接收的信号是发送信号的频率的8倍的八次延迟处理装置，对由该采样装置103以8倍的发送信号的频率间隔采样的接收信号执行延迟处理，以及四次延迟处理装置，对采样装置103采样的接收信号以频率四倍的频率间隔执行延迟处理发送信号。

7. 发明专利

JP2008237932A Ultrasonic diagnosis device 有权
标题翻译：超声诊断装置
公开(公告)号：JP2008237932A
公开(公告)日：2008-10-09
申请号：JP2008138470
申请日：2008-05-27
申请人： Hitachi Medical Corp , 株式会社日立メディコ
发明人： MIWA YUICHI , SHINOMURA RYUICHI , UMEMURA SHINICHIRO
IPC分类号： A61B8/00 , G01S7/52
CPC分类号： G01S7/52092 , G01S7/52026 , G01S7/52034 , G01S7/52046
摘要： PROBLEM TO BE SOLVED: To provide technology that freely changes the frequency of a reference signal in a digital ultrasonic diagnosis device according to a frequency transfer phasing method and makes it possible to conduct various high-quality or high-speed imaging. SOLUTION: Reception signals obtained by an ultrasonic transducer group disposed in an array are digitized in a sampling cycle higher than a Nyquist frequency of the reception signals, and are mixed with a reference signal. The mixed signals are then accumulated in a sampling direction, the number of mixed signals accumulated being equal to the number of samples, and are phased and added by wave reception focusing means. The reference signals are successively read out from a memory means and used in such a manner as to correspond to the sampling number of the reception signals. A reference signal train acquired from signals, the frequency of which decreases gradually with a lapse of time, from wave transmission, or a reference signal train obtained alternately from two signals having different frequencies, may be stored in advance in memory means. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：解决的问题：提供根据频率转移定相方法在数字超声波诊断装置中自由地改变参考信号的频率的技术，并且可以进行各种高质量或高速成像。解决方案：通过设置在阵列中的超声波换能器组获得的接收信号以比接收信号的奈奎斯特频率高的采样周期被数字化，并与参考信号混合。然后，混合信号以采样方向累积，累加的混合信号的数量等于采样数，并由波接收聚焦装置相位和相加。参考信号从存储装置连续读出，并以与接收信号的采样数对应的方式使用。可以从存储装置中预先存储从频率从具有不同频率的两个信号交替地从波发送或参考信号序列中逐渐减小的频率的信号获取的参考信号序列。版权所有（C）2009，JPO＆INPIT

8. 发明专利

JP2015058355A ＣＴ画像評価装置及びＣＴ画像評価方法有权
标题翻译： CT图像评估装置和CT图像评估方法
公开(公告)号：JP2015058355A
公开(公告)日：2015-03-30
申请号：JP2014168179
申请日：2014-08-21
申请人：株式会社日立メディコ , Hitachi Medical Corp
发明人： SHENG XINGDONG , MIWA YUICHI , GOTO TAIGA
IPC分类号： A61B6/03
摘要：【課題】客観的にCT画質を評価すると共に客観的にCT画像再構成用の再構成パラメーターを設定することのできるCT画像評価装置及びCT画像評価方法を提供する。【解決手段】X線によってスキャン領域をスキャンして生成されたCT画像の評価に用いられるCT画像評価装置であって、前記スキャンで得られたデータに基づきCT画像再構成を利用して生成された少なくとも標準物質領域が含まれるCT画像を入力するCT画像入力ユニットであって、前記標準物質領域は、前記スキャン領域における標準物質装置が設けられている所定領域である、CT画像入力ユニットと、前記CT画像における前記標準物質領域の再構成データ、及び前記標準物質装置の既知のCTデータに基づいて、前記CT画像評価用の評価指標を計算する評価指標計算ユニットと、前記評価指標に基づいて、前記CT画像を評価するCT画像評価ユニットと、を備える。【選択図】図5
摘要翻译：要解决的问题：提供能够客观评价CT图像质量并客观地设定CT图像重建的重建参数的CT图像评价装置和CT图像评价方法。解决方案：用于评估CT图像的CT图像评估装置通过用X射线扫描扫描区域包括：CT图像输入单元，用于输入CT图像，该CT图像至少包括基于通过扫描获取的数据通过使用CT图像重建而产生的标准物质区域，标准物质区域是设置有标准物质装置的扫描区域中的预定区域; 评估指标计算单元，用于基于CT图像中的标准物质区域的重建数据和标准物质装置的已知CT数据计算用于评估CT图像的评价指标; 以及CT图像评价单元，其基于评价指标来评价CT图像。

9. 发明专利

DE60134955D1 未知
公开(公告)号：DE60134955D1
公开(公告)日：2008-09-04
申请号：DE60134955
申请日：2001-01-12
申请人： HITACHI MEDICAL CORP
发明人： SHINOMURA RYUICHI , MIWA YUICHI , KOKUBUNJI-SHI , BABA HIROTAKA
IPC分类号： A61B8/00 , B06B1/06 , G01S7/52 , G01S15/89 , G10K11/34
摘要： An ultrasonic diagnosing apparatus that transmits an ultrasonic beam into a the body of a subject by means of a multi-ring formed of vibrator elements arrayed two-dimensionally and coupled into concentric rings and receives the echo so as to create a tomogram or three-dimensional image of the subject, comprising a probe adapted to correct the focusing error due to the difference of ultrasonic wave propagating paths and including two-dimensionally arrayed vibrator elements for transmitting/receiving ultrasonic waves to/from the subject, means for grouping the vibrator elements so as to form a multi-ring, means for giving a delay to each ring of the multi-ring, transmitting/receiving an ultrasonic beams, and scanning the ultrasonic beam so as to create an ultrasonic image, means for measuring the delay error at a portion of the subject where the sound speed is uneven and changing at least either the coupling of the multi-ring or the delay time according to the measurement error so as to transmit/receive the ultrasonic beam, and means for imaging the inside of the subject by means of the corrected ultrasonic beam.

10. 发明专利

DE60308985T2 未知
公开(公告)号：DE60308985T2
公开(公告)日：2007-05-24
申请号：DE60308985
申请日：2003-07-10
申请人： HITACHI MEDICAL CORP
发明人： AZUMA TAKASHI , UMEMURA , MIWA YUICHI
IPC分类号： A61B8/00 , G01S7/52 , G01S15/89 , G10K11/34
摘要： There are provided an ultrasonic imaging system and method which can correct a phase shift effect to image a real change in acoustic impedance in a living body. An ultrasonic probe transmits an ultrasonic beam to an object to receive an echo. A transmit beamformer transmits a transmit signal via transmit/receive SWs to the probe in delay time matched with a transmit focal point according to the signal under the control of a control system. An ultrasonic signal returned from the object to the probe is converted to an electric signal by the probe to be transmitted via the transmit/receive SWs to a complex receive beamformer. The complex receive beamformer performs dynamic focus adjusting delay time according to reception timing. A phase shift correction part uses the output of the complex beamformer outputting beams of a real part and an imaginary part to correct phase shift due to frequency-dependent attenuation, correct phase shift in the lateral direction of the beam, or correct both. After phase shift correction, an acoustic impedance change amount operation part obtains a derivative about the space position of acoustic impedance. The signal subject to filtering processing is image displayed via a scan converter on a display part.

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