公开(公告)号：US20130158390A1

公开(公告)日：2013-06-20

申请号：US13721418

申请日：2012-12-20

Applicant: General Electric Company

Inventor： Wei Tan ,  Gang Cheng

IPC: A61B8/08 ,  A61B10/02 ,  A61B8/00 ,  A61B8/14

CPC classification number: A61B8/0841 ,  A61B8/14 ,  A61B8/4444 ,  A61B8/461 ,  A61B8/5207 ,  A61B8/54 ,  A61B10/0233 ,  A61B17/3403 ,  A61B2017/3413 ,  A61B2090/3929

Abstract: An apparatus is provided. The apparatus comprises a vibrator configured to vibrate a needle, an ultrasonic scanhead configured to transmit ultrasonic pulses and to receive return signals, and an ultrasonic system coupled to the ultrasonic scanhead. The ultrasonic system comprises a transmitter and receiver module coupled to the ultrasonic scanhead, a displacement estimation module coupled to the transmitter and receiver module, and a display coupled to the displacement estimation module. The transmitter and receiver module is configured to supply energizing pulses to the ultrasonic scanhead to transmit the ultrasonic pulses and to receive electrical signals produced by the ultrasonic scanhead according to the return signals. The displacement estimation module is configured to calculate motion displacements based on phase differences of the electrical signals. The display is configured to display an image according to the motion displacements.

Abstract translation: 提供了一种装置。 该装置包括配置成使针振动的振动器，被配置为传输超声波脉冲并接收返回信号的超声波扫描头以及耦合到超声波扫描头的超声波系统。 超声波系统包括耦合到超声波扫描头的发射器和接收器模块，耦合到发射器和接收器模块的位移估计模块以及耦合到位移估计模块的显示器。 发射器和接收器模块被配置为向超声波扫描头提供激励脉冲以发射超声波脉冲并根据返回信号接收由超声扫描头产生的电信号。 位移估计模块被配置为基于电信号的相位差来计算运动位移。 显示器被配置为根据运动位移来显示图像。

公开(公告)号：US09370339B2

公开(公告)日：2016-06-21

申请号：US13804750

申请日：2013-03-14

Applicant: General Electric Company

Inventor： Christopher Robert Hazard ,  Wei Tan ,  Xiaodong Han ,  Gang Cheng

IPC: A61B8/08 ,  A61B8/00 ,  G01S7/52

CPC classification number: A61B8/485 ,  A61B8/4483 ,  A61B8/5223 ,  A61B8/54 ,  G01S7/52036 ,  G01S7/52042

Abstract: In accordance with embodiments disclosed herein, systems, methods, and computer programs are provided that determine a mechanical property of a subject. An excitation force is applied to a displacement origin within a subject, and a shear wave is generated in response to application of the excitation force. The displacement data indicative of displacement motion at the sample position is sampled by tracking pulses, and the timing of at least one of the tracking pulses is adjusted relative to application of the excitation force. The process continues until a peak displacement of the shear wave for the sample position is determined based upon the displacement data.

Abstract translation: 根据本文公开的实施例，提供了确定受试者的机械性质的系统，方法和计算机程序。 励磁力被施加到被摄体内的位移原点，并且响应于施加激发力而产生剪切波。 指示采样位置的位移运动的位移数据通过跟踪脉冲进行采样，并且相对于施加激励力来调整至少一个跟踪脉冲的定时。 该过程一直持续到基于位移数据确定样本位置的剪切波的峰值位移。

公开(公告)号：US20130245442A1

公开(公告)日：2013-09-19

申请号：US13804750

申请日：2013-03-14

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Christopher Robert Hazard ,  Wei Tan ,  Xiaodong Han ,  Gang Cheng

IPC: A61B8/08 ,  A61B8/00

CPC classification number: A61B8/485 ,  A61B8/4483 ,  A61B8/5223 ,  A61B8/54 ,  G01S7/52036 ,  G01S7/52042

Abstract: In accordance with embodiments disclosed herein, systems, methods, and computer programs are provided that determine a mechanical property of a subject. An excitation force is applied to a displacement origin within a subject, and a shear wave is generated in response to application of the excitation force. The displacement data indicative of displacement motion at the sample position is sampled by tracking pulses, and the timing of at least one of the tracking pulses is adjusted relative to application of the excitation force. The process continues until a peak displacement of the shear wave for the sample position is determined based upon the displacement data.

Abstract translation: 根据本文公开的实施例，提供了确定受试者的机械性质的系统，方法和计算机程序。 励磁力被施加到被摄体内的位移原点，并且响应于施加激发力而产生剪切波。 指示采样位置的位移运动的位移数据通过跟踪脉冲进行采样，并且相对于施加激励力来调整至少一个跟踪脉冲的定时。 该过程一直持续到基于位移数据确定样本位置的剪切波的峰值位移。