Shenzhen Mindray Bio-medical Electronics Co., Ltd.

Yigang Du

Yong Li

Shuangshuang Li

Rui Fan

Wei Fan

Yongqiang Dong

Lanxi Xiang

Yingying Shen

Kai Wang

Yuan Wang

Donghai Qin

An ultrasonic blood flow imaging method includes: transmitting first, second and third ultrasonic waves to a to-be-measured blood flow position of a target object at a first transmitting angle to acquire a first projection component of a blood flow velocity vector, with a first pulse repetition frequency between the first ultrasonic waves and the second ultrasonic waves and a second pulse repetition frequency between the second ultrasonic waves and the third ultrasonic waves; transmitting fourth, fifth and sixth ultrasonic waves to the to-be-measured blood flow position at a second transmitting angle to acquire a second projection component of a blood flow velocity vector, with a third pulse repetition frequency between the fourth ultrasonic waves and the fifth ultrasonic waves and a fourth pulse repetition frequency between the fifth ultrasonic waves and the sixth ultrasonic waves.

Ultrasonic blood flow imaging method and ultrasonic imaging apparatus

An ultrasonic imaging system and an imaging method. The imaging method comprises: transmitting a divergent ultrasonic beam to a scanning object, and scanning the scanning object with the divergent ultrasonic beam (S); a self-scanning object receiving an echo of the divergent ultrasonic beam, and obtaining divergent ultrasonic echo signals by means of beam synthesis (S); obtaining blood flow velocity vector information of the scanning object according to the divergent ultrasonic echo signals (S); and displaying the blood flow velocity vector information of the scanning object (S). Using a divergent ultrasonic beam to perform blood flow imaging can ensure that there is a sufficiently large scanning area for covering a scanning object, thereby achieving ultrasonic blood flow imaging at a high frame rate.

Ultrasonic imaging system and blood flow imaging method

An non-Doppler flow imaging system is disclosed that overlays a B-flow imaging sequence over B-mode ultrasound image data.

Ultrasound gray-scale imaging system and method

A method and system for ultrasonic fluid spectral Doppler imaging are disclosed. The system comprises: a transmission circuit for transmitting an ultrasonic beam to a detection object; a receiving circuit and a beam synthesis module for receiving an echo of the ultrasonic beam and obtaining an ultrasonic echo signal; an image processing module for obtaining an ultrasonic fluid flow state image of a region of interest in the detection object according to the ultrasonic echo signal, identifying a sampling position in the region of interest, respectively obtaining a Doppler spectrogram corresponding to each sampling position according to the ultrasonic echo signal, and generating position displaying marks for characterizing the sampling positions; and a display for displaying the position displaying marks in the ultrasonic fluid flow state image, and displaying the obtained Doppler spectrogram. The system may simultaneously display spectra of multiple locations on a same time axis.

Method and system for ultrasonic fluid spectral doppler imaging

An ultrasonic blood flow imaging display method and an ultrasonic imaging system. The system comprises: a probe (); a transmitting circuit (), configured to excite the probe () to transmit an ultrasonic beam to a scanning target; a receiving circuit () and a beam forming module (), configured to receive an echo of the ultrasonic beam to obtain an ultrasonic echo signal; a data processing module (), configured to obtain, according to the ultrasonic echo signal, blood flow velocity vector information and Doppler blood flow velocity information about a target point in the scanning target and at least part of ultrasonic images of the scanning target, and superposing the ultrasonic images and the Doppler blood flow velocity information to form a Doppler color blood flow graph; and a display (), configured to contrastively display the blood flow velocity vector information and the Doppler color blood flow graph. By means of a mode of contrastively displaying a common blood flow display image and a vector blood flow, a better viewing angle is provided for a user.

Ultrasonic blood flow imaging display method and ultrasonic imaging system

An ultrasonic imaging apparatus, a method for detecting a shear index of a vascular wall using ultrasonic waves, and a computer readable storage medium are provided. The method comprises: transmitting ultrasonic waves to an region of interest comprising a vessel; receiving the ultrasonic waves to obtain echo signals; acquiring an ultrasonic image according to the echo signals; acquiring particle jet velocities of a plurality of points in the vessel, the particle jet velocity comprising flow velocity and flow direction; determining a vascular wall in the ultrasonic image; acquiring a position to be detected of the vascular wall; calculating, according to particle jet velocities of a plurality of points near the position to be detected, the shear index of the position to be detected of the vascular wall; and displaying the ultrasonic image and the shear index of the vascular wall.

Ultrasonic imaging apparatus and method for detecting shear index of vascular wall using ultrasonic waves

An ultrasonic blood flow parameter displaying method, comprises: acquiring, by means of a probe, an ultrasonic signal from an object to be scanned; acquiring, according to the ultrasonic signal, a plurality of velocities and directions of blood flow within the object to be scanned; extracting the plurality of velocities and directions of blood flow; quantifying the dispersion of the plurality of velocities and directions of the blood flow extracted; and displaying the quantization result of the dispersion. The present invention provides a method for quantifying and evaluating the direction of the motion of blood flow, and provides a better perspective of observation for a user.

Method and system for graphically representing blood flow velocity parameters

The embodiments of the present disclosure disclose an ultrasound imaging method and system, the method may include transmitting a plurality of plane wave ultrasound beams to a scan target and acquiring corresponding plane wave echo signals; transmitting focused ultrasound beams to the scan target and acquiring corresponding focused beam echo signals; acquiring a plurality of velocity components of a target point in the scan target using the plane wave echo signals, and acquiring velocity vectors of the target point according to the plurality of velocity components; acquiring an ultrasound image of the scan target using the focused beam echo signals; and displaying the velocity vector and the ultrasound image.

Ultrasound imaging method and system

Embodiments of the present disclosure provide a flow imaging processing method, which may include determining flow imaging parameters, where the flow imaging parameters include a sound speed for calculation, a center frequency of the transmitting pulse for exciting a probe and a imaging depth; obtaining a velocity measurement range; and determining the first target number of the different transmit angles according to the sound speed for calculation, the center frequency of the transmitting pulse, the imaging depth and the velocity measurement range. The embodiments of the present disclosure also provide an ultrasound imaging device.

Flow imaging processing method and ultrasound imaging device

An ultrasonic blood flow parameter displaying method, comprises: acquiring, by means of a probe (), an ultrasonic signal from an object to be scanned (S); acquiring, according to the ultrasonic signal, a plurality of velocities and directions of blood flow within the object to be scanned (S); extracting the plurality of velocities and directions of blood flow (S); quantifying the dispersion of the plurality of velocities and directions of the blood flow extracted (S); and displaying the quantization result of the dispersion (S). The present invention provides a method for quantifying and evaluating the direction of the motion of blood flow, and provides a better perspective of observation for a user.

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Shenzhen, China

Yigang Du