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Ultrasonic diagnostic apparatus and ultrasonic imaging method

A diagnostic device, ultrasonic technology, applied in the direction of acoustic wave diagnosis, infrasonic wave diagnosis, ultrasonic/sonic wave/infrasonic wave diagnosis, etc., which can solve the problem of image quality degradation of reference images

Inactive Publication Date: 2009-02-25
GE MEDICAL SYST GLOBAL TECH CO LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is a problem that the image quality of the reference image is degraded compared with the reference image generated from the received signal corresponding to the reference transmission pulse after the transmission of the reference transmission pulse, which is not suitable for the case when the quality of the reference image is emphasized

Method used

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  • Ultrasonic diagnostic apparatus and ultrasonic imaging method
  • Ultrasonic diagnostic apparatus and ultrasonic imaging method
  • Ultrasonic diagnostic apparatus and ultrasonic imaging method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0053] figure 1 It is an explanatory diagram of the structure of the ultrasonic diagnostic apparatus 100 according to the first embodiment.

[0054] The ultrasonic diagnostic apparatus 100 is equipped with an ultrasonic probe 1, a transmitting and receiving unit 2 for driving the ultrasonic probe 1 to scan inside a main body with an ultrasonic beam, a display unit 3 for displaying ultrasonic images and the like, and an operation unit 4 for an operator to input instructions and data, All control units 5 are controlled.

[0055] The control unit 5 includes an operation controller 5a, which controls operation related matters such as receiving input from the operating unit 4, etc., and a scan controller 5b, which controls scanning related matters, such as modes (e.g. B mode, CFM mode etc.) transformation, scan parameter change, etc., a signal processor 5c, which performs processing of each reflected wave signal obtained by the ultrasonic probe 1, generation of an ultrasonic image...

Embodiment 2

[0093] Figure 6 The processing in can be replaced by image 3 in processing.

[0094] Figure 6 In step S11, if the switching is completed in the following manner: the reference image is generated using the received signal corresponding to each high-contrast image transmission pulse, then the processing is terminated. If switching is completed in such a manner that the respective reference transmission pulses are transmitted, the switching process goes to step S12.

[0095] If the FOV is greater than or equal to the depth (for example, 5 cm) preset in step S12, the switching process goes to step S13. If the FOV is smaller than the preset depth, the switching process goes to step S14.

[0096] In step S13, the operating wavelength of each reference transmission pulse is set to double the wavelength (the number of pulse trains is assumed to be 2). Processing terminated.

[0097] In step S14, the operating wavelength of each reference transmission pulse is set equal to the...

Embodiment 3

[0100] Figure 7 The processing in can be replaced by image 3 in processing.

[0101] Figure 7 In step S11, if the switching is completed in the following manner: the reference image is generated using the received signal corresponding to each high-contrast image transmission pulse, then the processing is terminated. If switching is completed in such a manner that the respective reference transmission pulses are transmitted, the switching process goes to step S12.

[0102] If the FOV is greater than or equal to the depth (for example, 5 cm) preset in step S12, the switching process goes to step S13. If the FOV is smaller than the preset depth, the switching process goes to step S14.

[0103] In step S13, the transmission f value of each reference transmission pulse is set to 2. Processing terminated.

[0104] In step S14, the transmission f value of each reference transmission pulse is set to 1. Processing terminated.

[0105] In Embodiment 3, since the f value is au...

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Abstract

The invention relates to an ultrasonic diagnostic apparatus and an ultrasonic imaging method. The ultrasonic diagnostic apparatus includes: a contrast image creating device which transmits each of contrast imaging transmission pulses and creates a contrast image based on a received signal corresponding contrast imaging transmission pulse; a first reference image creating device which creates a reference image using the received signal corresponding to the contrast imaging transmission pulse; a second reference image creating device which transmits a reference transmission pulse different in frequency from the contrast imaging transmission pulse and creates a reference image based on a received signal corresponding to the reference transmission pulse; a switching device which selects one of the first reference image creating device and the second reference image creating device and activates the same; and an image display device which displays the contrast image and the reference image side by side or displays the same in superimposed form.

Description

Background technique [0001] The present invention relates to an ultrasonic diagnostic device, more specifically, to an ultrasonic diagnostic device capable of optimizing the balance between the frame rate of a strong contrast image and the quality of a reference image. [0002] Known ultrasonic diagnostic devices can transmit transmission pulses of individual high-contrast images according to the corresponding received signals, and then transmit individual reference transmission pulses according to corresponding received signals and create a reference image, and can also combine high-contrast images and reference images And display the combined result (for example, see Patent Document 1 and Patent Document 2). [0003] [Patent Document 1] Japanese Unexamined Patent Publication No. 2002-045360 [0004] [Patent Document 2] Japanese Unexamined Patent Publication No. 2003-052698 [0005] In an ultrasonic diagnostic apparatus that transmits respective reference transmission pulse...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B8/00G01S15/89
CPCA61B8/00G01S15/102A61B8/463A61B8/469G01S7/52046G01S15/8952
Inventor 加藤生齐藤考则
Owner GE MEDICAL SYST GLOBAL TECH CO LLC