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Ultrasound diagnosis apparatus and method of setting acoustic velocity

一种诊断装置、超声波的技术，应用在声波诊断、次声波诊断、超声/声波/次声设备控制等方向，能够解决对比值计算精度不充分、方位分辨率未必成为最合适值等问题

Active Publication Date: 2013-04-10
TOSHIBA MEDICAL SYST CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0018] However, the above-mentioned prior art is a technique for determining the optimum sound velocity in a specific region from an objective numerical value (comparison value). In some cases, the azimuth resolution of the site that the technician who took the ultrasound image or the person who reads the ultrasound image is focusing on may not be the most suitable value

Method used

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  • Ultrasound diagnosis apparatus and method of setting acoustic velocity
  • Ultrasound diagnosis apparatus and method of setting acoustic velocity
  • Ultrasound diagnosis apparatus and method of setting acoustic velocity

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Embodiment 2

[0096] Ultrasonic diagnostic device and use of embodiment 2 figure 1 Compared with the ultrasonic diagnostic apparatus of Example 1 described, such as Image 6 As shown, the difference is that an optimum sound velocity determination unit 154 is further included in the control unit 15 . Hereinafter, the description will be centered on this point.

[0097] The optimum sound velocity determination unit 154 calculates a comparison value between a plurality of ultrasonic waves of an imaging target site of the subject P generated in advance by using a plurality of reception delay times calculated from a plurality of different set sound velocities. Then, the optimum sound velocity determination unit 154 determines, as the optimum sound velocity, the set sound velocity corresponding to the ultrasonic image for which the calculated contrast value becomes the optimum value.

[0098] Here, the process of the optimum sound velocity determination unit 154 starts when the operator presse...

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Abstract

In one embodiment, an ultrasonic diagnostic apparatus includes an image creating unit, an image-creation control unit and a display control unit. The image creating unit creates an ultrasound image from data created by adding a reflected wave signal of an ultrasound wave transmitted to an imaging target portion of a subject by using a reception delay time calculated from a set sound velocity set as a sound velocity in the imaging target portion. The image-creation control unit switches a set sound velocity set at a present moment in a variable range, and controls the image creating unit so as to create a plurality of ultrasound images each using a reception delay time corresponding to each of the set sound velocities to be switched. The display control unit controls display such that the ultrasound images created are displayed on a certain display unit.

Description

technical field [0001] This application enjoys the benefit of priority of Japanese Patent Application No. 2009-155477 filed on June 30, 2009 and Japanese Patent Application No. 2010-116259 filed on May 20, 2010, which are incorporated herein by reference the entire content of . [0002] Embodiments of the present invention relate to an ultrasonic diagnostic apparatus and a sound velocity setting method. Background technique [0003] Conventionally, in an ultrasonic diagnostic apparatus, in order to improve the azimuth resolution of an ultrasonic image, a method of converging an ultrasonic transmission beam and a reception beam has been performed. In particular, in an ultrasonic diagnostic apparatus using an ultrasonic probe constituted by electronic scanning type array transducers, an electron convergence method of adding reception signals of each channel by delay time control is used. [0004] However, in the electron convergence method, since the received beam spreads at...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B8/00
CPCA61B8/54A61B8/06G01S7/52049G01S7/52073G01S7/52074
Inventor 挂江明弘潟口宗基市冈健一龟和田靖
Owner TOSHIBA MEDICAL SYST CORP