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1. 发明授权

US5673699A Method and apparatus for abberation correction in the presence of a distributed aberrator 失效
标题翻译：在存在分布异常的情况下进行修正的方法和装置
公开(公告)号：US5673699A
公开(公告)日：1997-10-07
申请号：US657793
申请日：1996-05-31
申请人： Gregg E. Trahey , Gary C-H Ng , William F. Walker , Paul D. Freiburger
发明人： Gregg E. Trahey , Gary C-H Ng , William F. Walker , Paul D. Freiburger
IPC分类号： G01S7/52 , A61B8/00
CPC分类号： G01S7/52049
摘要： Disclosed is an ultrasonic phase aberration correction method and apparatus. One preferred embodiment employs a translating transmit aperture for transmitting two separately transmitted pulses through two different transmit apertures but which are focused to the same predetermined target in the human body. A receiver element measuring a first echo from a first transmit pulse is matched with a receiver element measuring a second echo from a second transmit pulse from a translated aperture, the match corresponding to receivers with a separation equal and opposite to the spatial translations of the translated transmit apertures. The matched elements are compared for signal variations which estimate phase aberrations and especially improve on estimates of distributed aberrations. The transmit or receive signals can then be compensated for or adjusted based on the signal comparison and variation estimates. It is also disclosed that the use of phase spectra analysis with a translating aperture improves aberration correction. Further, the use of a translating aperture with cross-correlation techniques also indicates improved correlations.
摘要翻译：公开了一种超声波相位差校正方法及装置。一个优选实施例采用平移发射孔径，用于通过两个不同的发射孔径传输两个单独发射的脉冲，但它们被聚焦到人体内相同的预定目标。测量来自第一发射脉冲的第一回波的接收机元件与来自翻译孔径的第二发射脉冲测量第二回波的接收器元件匹配，所述匹配对应于接收器，其间隔与翻译的空间平移相等并相反传输孔径。对于估计相位差的信号变化来比较匹配元件，并且特别地改进分布像差的估计。然后可以基于信号比较和变化估计来补偿或调整发射或接收信号。还公开了使用具有平移孔径的相位谱分析改善了像差校正。此外，使用具有互相关技术的平移孔也表明改进的相关性。

2. 发明授权

US5331964A Ultrasonic phased array imaging system with high speed adaptive processing using selected elements 失效
标题翻译：超声相控阵成像系统采用高速自适应处理技术，选用元件
公开(公告)号：US5331964A
公开(公告)日：1994-07-26
申请号：US62060
申请日：1993-05-14
申请人： Gregg E. Trahey , Paul D. Freiburger , Stephen W. Smith , Stewart S. Worrell
发明人： Gregg E. Trahey , Paul D. Freiburger , Stephen W. Smith , Stewart S. Worrell
IPC分类号： G01S7/52 , G01S15/89 , A61B8/00
CPC分类号： G01S15/8925 , G01S7/52049 , G01S7/52077 , G01S15/8927
摘要： Disclosed is an ultrasonic phased array imaging system which includes a normal mode and an adaptive mode of operation. The adaptive mode adjusts the delay associated with each element in the transducer such that the average image brightness of the region of interest is maximized. Also disclosed is a method of correcting for phase aberration using selected elements of an ultrasonic array specific to each element of the array to correct each element of the array. It is further disclosed that the use of corrected elements to correct subsequent elements in the array results in more accurate phase aberration correction. In a preferred embodiment, the determination of the maximum average image brightness is performed more accurately through the use of selectable transducer array elements and previously corrected data during adaptive processing.
摘要翻译：公开了一种包括正常模式和自适应操作模式的超声相控阵成像系统。自适应模式调整与换能器中的每个元件相关联的延迟，使得感兴趣区域的平均图像亮度最大化。还公开了一种使用针对阵列的每个元件专用的超声波阵列的选定元件来校正相位差以校正阵列的每个元件的方法。还公开了使用校正元件校正阵列中的后续元件导致更准确的相位差校正。在优选实施例中，通过在自适应处理期间使用可选择的换能器阵列元件和先前校正的数据来更精确地执行最大平均图像亮度的确定。

3. 发明授权

US06733453B2 Elevation compounding for ultrasound imaging 有权
标题翻译：高程复合用于超声成像
公开(公告)号：US06733453B2
公开(公告)日：2004-05-11
申请号：US10234004
申请日：2002-09-03
申请人： Paul D. Freiburger , Bhaskar S. Ramamurthy
发明人： Paul D. Freiburger , Bhaskar S. Ramamurthy
IPC分类号： A61B800
CPC分类号： G01S7/52046 , A61B8/00 , G01S7/52077 , G01S15/8925 , G01S15/8995
摘要： Speckle is reduced by compounding. 1.25, 1.5, 1.75 and 2D arrays are used to obtain frames of data representing a same scan plane, but with different elevation spatial frequency content. The elevation aperture for one frame of data is different than an elevation aperture of another frame of data. The frames of data responsive to the different elevation apertures are compounded, reducing speckle.
摘要翻译：斑点通过复合减少。 1.25,1.5,1.75和2D阵列用于获得表示相同扫描平面但具有不同高程空间频率内容的数据帧。一帧数据的高程孔径不同于另一帧数据的高程孔径。响应不同高程孔的数据帧复合，减少斑点。

4. 发明授权

US06364838B1 Pulsed wave doppler processing using aliased spectral data 有权
标题翻译：使用混叠光谱数据的脉冲波多普勒处理
公开(公告)号：US06364838B1
公开(公告)日：2002-04-02
申请号：US09481133
申请日：2000-01-11
申请人： Paul D. Freiburger , Barry H. Friemel
发明人： Paul D. Freiburger , Barry H. Friemel
IPC分类号： A61B806
CPC分类号： G01S15/8979 , G01S7/52046
摘要： A method for producing Doppler ultrasound data at a user-requested pulse repetition frequency (PRF) utilizing undersampled echo signals. Echo signals are created in response to Doppler pulses that are transmitted into the patient at a rate less than a desired PRF. The echo signals are analyzed in the time domain to determine a velocity of scatterers in an area of tissue defined by a range gate. From the velocity, the Doppler shift of the scatterers is determined. The echo signals are interpolated to produce a number of samples equal in number to that which would have been produced had the Doppler pulses been transmitted at the user-requested PRF. The interpolated echo signals are then analyzed in the frequency domain which produces a number of spectra indicative of the velocity and direction of the moving scatterers. From the Doppler shift determined, the correct spectra is selected and displayed for a user. In addition, the present invention can be used to increase the amplitude of the pulses transmitted into a patient by lowering the transmit pulse frequency so that the total amount of ultrasonic energy delivered to the patient remains the same. The larger amplitude transmit pulses produce echo signals having a better signal-to-noise ratio.
摘要翻译：一种利用欠采样回波信号在用户请求的脉冲重复频率（PRF）下产生多普勒超声数据的方法。响应于多普勒脉冲产生回波信号，该多普勒脉冲以小于所需PRF的速率传送到患者体内。在时域中分析回波信号以确定由范围门限定的组织区域中的散射体的速度。根据速度，确定散射体的多普勒频移。回波信号被内插以产生数量数量，其数量与在用户请求的PRF发送多普勒脉冲时将产生的数量相等。然后在频域中分析内插的回波信号，该频域产生指示运动散射体的速度和方向的多个光谱。根据确定的多普勒频移，为用户选择并显示正确的频谱。此外，本发明可以用于通过降低发射脉冲频率来增加发送到患者的脉冲的幅度，从而传递给患者的超声能量的总量保持不变。较大幅度的发射脉冲产生具有更好的信噪比的回波信号。

5. 发明授权

US09414805B2 Spectral Doppler with multiple spatially distinct gates 有权
标题翻译：具有多个空间不同门的光谱多普勒
公开(公告)号：US09414805B2
公开(公告)日：2016-08-16
申请号：US12180775
申请日：2008-07-28
申请人： Kutay F. Ustuner , Paul D. Freiburger , Seshadri Srinivasan , Steve Henderson
发明人： Kutay F. Ustuner , Paul D. Freiburger , Seshadri Srinivasan , Steve Henderson
IPC分类号： A61B8/06 , A61B8/00 , G01S7/52 , A61B8/08 , A61B8/13 , G01S15/89
CPC分类号： A61B8/06 , A61B8/08 , A61B8/13 , A61B8/461 , A61B8/488 , G01S7/52066 , G01S7/52071 , G01S7/52095 , G01S15/8979
摘要： Spatially distinct Spectral Doppler information is displayed. A spectrum is determined for each of a plurality of spatial locations, such as associated with different receive beams. Given a plurality of spectra at different spatial locations, an image may be generated as a function of the spectra. For example, a two-dimensional image has display values for different pixels or locations derived from one or more characteristics of the spectra, such as the maximum velocity with energy above a threshold for each location. As another example, the spectrum from the set of spectra with the highest maximum velocity is selected for generating a spectral strip display.
摘要翻译：显示空间不同的光谱多普勒信息。确定多个空间位置中的每一个的频谱，例如与不同的接收波束相关联。给定不同空间位置处的多个光谱，可以根据光谱产生图像。例如，二维图像具有针对从光谱的一个或多个特征导出的不同像素或位置的显示值，例如具有高于每个位置的阈值的能量的最大速度。作为另一示例，选择具有最高最大速度的光谱集合的光谱以产生光谱条显示。

6. 发明授权

US07862509B2 Measuring transducer movement methods and systems for multi-dimensional ultrasound imaging 有权
标题翻译：用于多维超声成像的测量传感器移动方法和系统
公开(公告)号：US07862509B2
公开(公告)日：2011-01-04
申请号：US12210069
申请日：2008-09-12
申请人： Paul H. Jones , Paul D. Freiburger , Craig B. Robinson , Stephen P. Czenszak , Christian Deforge
发明人： Paul H. Jones , Paul D. Freiburger , Craig B. Robinson , Stephen P. Czenszak , Christian Deforge
IPC分类号： A61B8/00
CPC分类号： A61B8/4254 , A61B8/00 , A61B8/483
摘要： Methods and systems for measuring transducer movement are provided. For example, free-hand scanning for three-dimensional imaging is provided. An optical sensor within the transducer measures motion along the skin surface similar to measuring movement of a personal computer mouse with an optical sensor. Alternatively or additionally, the transducer is tilted at an angle other than perpendicular to the skin surface generally towards or away from the direction in which the transducer is translated. The transducer is then translated while maintaining the angle. Motion to or from the transducer is measured, and a component of the motion measured while the transducer is maintained at an angle is parallel to the direction of translation. The component of motion is angle corrected and used to determine a distance of travel.
摘要翻译：提供了测量传感器运动的方法和系统。例如，提供用于三维成像的自由扫描。换能器内的光学传感器测量皮肤表面的运动，类似于使用光学传感器测量个人计算机鼠标的移动。或者或另外，换能器以与换能器平移方向大致相反或远离换能器方向的角度倾斜，而不是垂直于皮肤表面。然后在保持角度的同时平移换能器。测量与传感器的运动，并且在换能器保持一定角度时测量的运动的分量平行于平移方向。运动的分量被角度校正，用于确定行驶距离。

7. 发明申请

US20090012396A1 MEASURING TRANSDUCER MOVEMENT METHODS AND SYSTEMS FOR MULTI-DIMENSIONAL ULTRASOUND IMAGING 有权
标题翻译：用于多维超声成像的测量传感器运动方法和系统
公开(公告)号：US20090012396A1
公开(公告)日：2009-01-08
申请号：US12210069
申请日：2008-09-12
申请人： Paul H. Jones , Paul D. Freiburger , Craig B. Robinson , Stephen P. Czenszak , Christian Deforge
发明人： Paul H. Jones , Paul D. Freiburger , Craig B. Robinson , Stephen P. Czenszak , Christian Deforge
IPC分类号： A61B8/00
CPC分类号： A61B8/4254 , A61B8/00 , A61B8/483
摘要： Methods and systems for measuring transducer movement are provided. For example, free-hand scanning for three-dimensional imaging is provided. An optical sensor within the transducer measures motion along the skin surface similar to measuring movement of a personal computer mouse with an optical sensor. Alternatively or additionally, the transducer is tilted at an angle other than perpendicular to the skin surface generally towards or away from the direction in which the transducer is translated. The transducer is then translated while maintaining the angle. Motion to or from the transducer is measured, and a component of the motion measured while the transducer is maintained at an angle is parallel to the direction of translation. The component of motion is angle corrected and used to determine a distance of travel.
摘要翻译：提供了测量传感器运动的方法和系统。例如，提供用于三维成像的自由扫描。换能器内的光学传感器测量皮肤表面的运动，类似于使用光学传感器测量个人计算机鼠标的移动。或者或另外，换能器以与换能器平移方向大致相反或远离换能器方向的角度倾斜，而不是垂直于皮肤表面。然后在保持角度的同时平移换能器。测量与传感器的运动，并且在换能器保持一定角度时测量的运动的分量平行于平移方向。运动的分量被角度校正，用于确定行驶距离。

8. 发明申请

US20090005680A1 MEASURING TRANSDUCER MOVEMENT METHODS AND SYSTEMS FOR MULTI-DIMENSIONAL ULTRASOUND IMAGING 有权
公开(公告)号：US20090005680A1
公开(公告)日：2009-01-01
申请号：US12209964
申请日：2008-09-12
申请人： Paul H. Jones , Paul D. Freiburger , Craig B. Robinson , Stephen P. Czenszak , Christian Deforge
发明人： Paul H. Jones , Paul D. Freiburger , Craig B. Robinson , Stephen P. Czenszak , Christian Deforge
IPC分类号： A61B8/00
CPC分类号： A61B8/4254 , A61B8/00 , A61B8/483
摘要： Methods and systems for measuring transducer movement are provided. For example, free-hand scanning for three-dimensional imaging is provided. An optical sensor within the transducer measures motion along the skin surface similar to measuring movement of a personal computer mouse with an optical sensor. Alternatively or additionally, the transducer is tilted at an angle other than perpendicular to the skin surface generally towards or away from the direction in which the transducer is translated. The transducer is then translated while maintaining the angle. Motion to or from the transducer is measured, and a component of the motion measured while the transducer is maintained at an angle is parallel to the direction of translation. The component of motion is angle corrected and used to determine a distance of travel.

9. 发明授权

US07150716B2 Measuring transducer movement methods and systems for multi-dimensional ultrasound imaging 失效
公开(公告)号：US07150716B2
公开(公告)日：2006-12-19
申请号：US10372423
申请日：2003-02-20
申请人： Paul H. Jones , Paul D. Freiburger , Craig B. Robinson , Stephen P. Czenszak , Christian Deforge
发明人： Paul H. Jones , Paul D. Freiburger , Craig B. Robinson , Stephen P. Czenszak , Christian Deforge
IPC分类号： A61B8/00
CPC分类号： A61B8/4254 , A61B8/00 , A61B8/483
摘要： Methods and systems for measuring transducer movement are provided. For example, free-hand scanning for three-dimensional imaging is provided. An optical sensor within the transducer measures motion along the skin surface similar to measuring movement of a personal computer mouse with an optical sensor. Alternatively or additionally, the transducer is tilted at an angle other than perpendicular to the skin surface generally towards or away from the direction in which the transducer is translated. The transducer is then translated while maintaining the angle. Motion to or from the transducer is measured, and a component of the motion measured while the transducer is maintained at an angle is parallel to the direction of translation. The component of motion is angle corrected and used to determine a distance of travel.

10. 发明授权

US07097619B2 Elevation beam pattern variation for ultrasound imaging 有权
标题翻译：用于超声成像的仰角波束模式变化
公开(公告)号：US07097619B2
公开(公告)日：2006-08-29
申请号：US10403259
申请日：2003-03-31
申请人： Patrick L. Von Behren , Paul D. Freiburger
发明人： Patrick L. Von Behren , Paul D. Freiburger
IPC分类号： A61B8/00
CPC分类号： G01S7/52046 , A61B8/00 , G01S7/52077 , G01S15/8925 , G01S15/8995
摘要： Methods and systems vary the elevation beam pattern during an imaging session. A user based or automatic search mode is provided where one or more elevation beam thicknesses are used, and then a diagnosis mode is provided where an optimal or narrow elevation beam thickness is used for continued imaging. 1.25, 1.5, 1.75 and 2D arrays are used to obtain frames of data responsive to the varied elevation beam pattern.
摘要翻译：方法和系统在成像会话期间改变仰角波束图案。提供基于用户的或自动搜索模式，其中使用一个或多个仰角光束厚度，然后提供诊断模式，其中使用最佳或窄的仰角光束厚度进行连续成像。 1.25,1.5,1.75和2D阵列用于响应于不同的仰角波束图案来获得数据帧。

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