ULTRASOUND IMAGING WITH RAY CASTING AND SOFTWARE-BASED IMAGE RECONSTRUCTION
    31.
    发明申请
    ULTRASOUND IMAGING WITH RAY CASTING AND SOFTWARE-BASED IMAGE RECONSTRUCTION 有权
    超声波成像与雷射铸造和基于软件的图像重建

    公开(公告)号:US20110270086A1

    公开(公告)日:2011-11-03

    申请号:US12769497

    申请日:2010-04-28

    IPC分类号: A61B8/14

    摘要: Systems and methods are presented for increasing the frame rate of real-time 3D ultrasound imaging. In one embodiment, the frame rate for generating a pseudo-shaded 2D projection image may be increased by controlling the image reconstruction process. Rather than beamforming, scan converting, and interpolating a 3D voxelized data set of an entire scanned volume, only samples required for generating the 2D projection image may be reconstructed. The element data measured from each transducer array element may be combined to directly reconstruct those 3D image samples required by the volume rendering algorithm to generate the 2D projection image.

    摘要翻译: 提出了提高实时3D超声成像帧速率的系统和方法。 在一个实施例中,可以通过控制图像重建处理来增加用于产生伪着色的2D投影图像的帧速率。 扫描转换和内插整个扫描体积的3D体素数据集而不是波形成形,而不是重建生成2D投影图像所需的样本。 可以将从每个换能器阵列元件测量的元素数据组合以直接重建由体绘制算法所需的3D图像样本,以生成2D投影图像。

    SYSTEMS AND METHODS FOR CONTROLLING TRANSDUCER PULSE TRANSITIONS IN ULTRASOUND IMAGING
    33.
    发明申请
    SYSTEMS AND METHODS FOR CONTROLLING TRANSDUCER PULSE TRANSITIONS IN ULTRASOUND IMAGING 审中-公开
    用于控制超声波成像中的传感器脉冲转换的系统和方法

    公开(公告)号:US20130170321A1

    公开(公告)日:2013-07-04

    申请号:US13339242

    申请日:2011-12-28

    IPC分类号: B06B1/02

    摘要: Methods and systems for transitioning a transducer voltage between a first voltage level and a second voltage level are provided. A method includes pulling a transducer voltage to the first voltage level, pulling the transducer voltage from the first voltage level to an intermediate voltage level, and pulling the transducer voltage from the intermediate voltage level to the second voltage level. The intermediate voltage level includes an intermediate voltage level between the first voltage level and the second voltage level.

    摘要翻译: 提供了用于在第一电压电平和第二电压电平之间转换换能器电压的方法和系统。 一种方法包括将传感器电压拉到第一电压电平,将传感器电压从第一电压电平拉到中间电压电平,以及将传感器电压从中间电压电平拉到第二电压电平。 中间电压电平包括第一电压电平和第二电压电平之间的中间电压电平。

    TRANSMIT BEAMFORMING IN 3-DIMENSIONAL ULTRASOUND
    34.
    发明申请
    TRANSMIT BEAMFORMING IN 3-DIMENSIONAL ULTRASOUND 有权
    在三维超声波中发射光束

    公开(公告)号:US20090005684A1

    公开(公告)日:2009-01-01

    申请号:US11770126

    申请日:2007-06-28

    IPC分类号: A61B8/00

    摘要: An ultrasound system comprises a probe including a two-dimensional (2D) array of transducer elements that form an aperture having a plurality of receive elements that are configured to receive ultrasound signals. The transducer elements form at least one transmit sub-aperture that is configured to be interconnected with a fixed group of the transducer elements within the aperture. Transmitters generate electrical transmit signals, and at least one transmit sub-aperture processor (tx SAP) maps the transducer elements within the fixed group of the transducer elements to the transmitters in a transmit configuration based on a beam steering direction.

    摘要翻译: 超声系统包括探针,其包括形成具有被配置为接收超声信号的多个接收元件的孔的换能器元件的二维(2D)阵列。 换能器元件形成至少一个发射子孔径,其构造成与孔内的固定的换能器元件组互连。 发射机产生电传输信号,并且至少一个发射子孔径处理器(tx SAP)基于波束转向方向将传感器元件的固定组内的换能器元件映射到发射器。

    Interconnect structure for transducer assembly
    35.
    发明授权
    Interconnect structure for transducer assembly 有权
    换能器组件的互连结构

    公开(公告)号:US07229292B1

    公开(公告)日:2007-06-12

    申请号:US11315641

    申请日:2005-12-22

    IPC分类号: H01R12/00

    摘要: An interconnect assembly is presented. The assembly includes an interconnect structure including a plurality of interconnect layers disposed in a spaced relationship, where each of the plurality of interconnect layers comprises a plurality of conductive traces disposed thereon. Furthermore, the assembly includes a redistribution layer disposed proximate the interconnect structure, where the redistribution layer is configured to facilitate coupling the interconnect structure to the one or more transducer elements on the transducer array.

    摘要翻译: 提出了互连组件。 组件包括互连结构,其包括以间隔关系设置的多个互连层,其中多个互连层中的每一个包括布置在其上的多个导电迹线。 此外,组件包括邻近互连结构设置的再分配层,其中再分配层被配置为便于将互连结构耦合到换能器阵列上的一个或多个换能器元件。

    Numerical optimization of ultrasound beam path
    38.
    发明授权
    Numerical optimization of ultrasound beam path 有权
    超声波束路数值优化

    公开(公告)号:US06282963B1

    公开(公告)日:2001-09-04

    申请号:US09415078

    申请日:1999-10-12

    申请人: Bruno Hans Haider

    发明人: Bruno Hans Haider

    IPC分类号: G01N2906

    CPC分类号: G01S7/52046 G01S7/5209

    摘要: In dual line ultrasound beamforming, an ideal transmit beam should have two peak locations, each following one of the receive beams. Dual beam steering by apodization creates such transmit beam; however, the resulting beam is optimized for only a single depth and significant line warping can occur away from that depth. The transmit beam shape in ultrasound multiline acquisition however, is improved by numerically optimizing the transmit beam, i.e., the aperture function, such that no line warping occurs over the entire depth of field. The aperture function is numerically optimized by numerically optimizing a Cost function which is dependent on the aperture function. The numerically optimized aperture function is then used in a multiline acquisition mode of an ultrasound imaging system.

    摘要翻译: 在双线超声波波束形成中,理想的发射波束应该具有两个峰值位置,每个峰值位置各自接收一个接收波束。 通过变迹的双光束转向产生这样的发射光束; 然而,所得到的光束仅对于单个深度进行了优化,并且显着的线翘曲可能远离该深度发生。 然而,在超声多行采集中的发射波束形状通过数字优化发射波束(即孔径函数)得到改进,使得整个景深不发生线翘曲。 孔径函数通过数值优化成本函数来进行数值优化,成本函数取决于孔径函数。 然后将数值优化的孔径函数用于超声成像系统的多线捕获模式。

    Method and apparatus for parametric harmonic imaging
    39.
    发明授权
    Method and apparatus for parametric harmonic imaging 有权
    参数谐波成像的方法和装置

    公开(公告)号:US06231512B1

    公开(公告)日:2001-05-15

    申请号:US09322747

    申请日:1999-05-28

    IPC分类号: A61B800

    摘要: Ultrasound imaging of biological tissue using multiple harmonic response parameters is performed by transmitting a pulse centered at fundamental frequency ƒ0 and filtering the returned beamformed signal with a bandpass filter centered at a frequency less than ƒ0. The fundamental transmit pulse spectrum and the receive filter passband are chosen to have negligible overlap so that substantially only harmonic signal components are bandpassed. The harmonic signals leaked through the passband from harmonic spectra centered at DC or at ƒ0 are detected and processed to form display image data which are displayed on a display subsystem. The signal content leaked through the passband is a function of the entire set of harmonic response parameters.

    摘要翻译: 使用多个谐波响应参数的生物组织的超声成像通过发射以基频f 0为中心的脉冲来进行,并以以小于ƒ0的频率为中心的带通滤波器对返回的波束形成信号进行滤波。 选择基本发射脉冲频谱和接收滤波器通带具有可忽略的重叠,使得基本上只有谐波信号分量是带通的。 检测并处理从直流或ƒ0中心的谐波频谱通过通带泄漏的谐波信号,以形成显示在显示子系统上的显示图像数据。 通过通带泄漏的信号内容是整套谐波响应参数的函数。

    Ultrasound imaging with higher-order nonlinearities
    40.
    发明授权
    Ultrasound imaging with higher-order nonlinearities 有权
    超声成像与高阶非线性

    公开(公告)号:US6063033A

    公开(公告)日:2000-05-16

    申请号:US322748

    申请日:1999-05-28

    CPC分类号: G01S7/52038 G01S7/52034

    摘要: In a method and apparatus for ultrasound imaging of biological tissue using higher-order nonlinear signal components an ultrasound line is acquired at different excitation levels. The acquisition is repeated I times with identical beamforming parameters, but varying excitation level. All of the transmitted waveforms are nonlinearly distorted, but the degree of distortion depends on the excitation level, making it possible to extract individual nonlinear signal components by properly combining the received echo signals. A pre-computed estimation matrix, dependent on the order of an estimation model and the excitation levels, is stored in computer memory and used to compute the nonlinear components of interest. The real-time calculations reduce to a linear combination of the received echo signals. A further reduction in computational load can be achieved if one is interested in only the n-th-order nonlinear component.

    摘要翻译: 在使用高阶非线性信号分量的生物组织的超声成像的方法和装置中,在不同的激发水平获取超声线。 采用相同的波束成形参数重复采集I次,但是激发电平变化不大。 所有发送的波形都是非线性失真的,但失真程度取决于激励电平,可以通过适当地组合接收到的回波信号来提取单个非线性信号分量。 依赖于估计模型和激励水平的顺序的预先计​​算的估计矩阵被存储在计算机存储器中,并用于计算感兴趣的非线性分量。 实时计算减少到接收的回波信号的线性组合。 如果仅对n阶非线性分量感兴趣,则可以进一步降低计算负荷。