Sound wave focusing lens and ultrasonic imaging device and method

A focusing lens, ultrasonic imaging technology, applied in ultrasonic/sonic/infrasonic diagnosis, sonic diagnosis, infrasonic diagnosis, etc., can solve problems such as user inconvenience, and achieve the effect of flexible use, simple structure and low cost

Pending Publication Date: 2019-03-08
SHENZHEN INST OF ADVANCED TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, the current ultrasonic imaging device can only realize the ultrasonic sound field with a single focal depth. If the focal depth needs to be changed, the ultrasonic imaging device needs to be replaced, which brings inconvenience to users.

Method used

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  • Sound wave focusing lens and ultrasonic imaging device and method
  • Sound wave focusing lens and ultrasonic imaging device and method
  • Sound wave focusing lens and ultrasonic imaging device and method

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Embodiment Construction

[0036] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0037] see figure 1 , figure 1 A schematic diagram of the structure of the acoustic wave focusing lens provided in this application.

[0038] The acoustic wave focusing lens provided in the present application is composed of a plurality of concentric rings 11, two adjacent concentric rings form a slit 12, and since the rings are concentric, the formed slit is also annular. Among them, the circular hole in the center can be regarded as a special slit.

[003...

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Abstract

An embodiment of the invention discloses a sound wave focusing lens and an ultrasonic imaging device and method. The sound wave focusing lens is simple in structure and comprises a plurality of concentric rings, wherein a slit is formed between each two adjacent rings; the rings are made from rigid materials; the thicknesses of the rings are the same; and the slits in the sound wave focusing lensare successively narrows from inside to outside. The structure is easy to process and low in cost, is matched with a planar ultrasonic transducer, and is flexible to use, and imaging of objects at different depths can be realized by changing the frequency of transmitting sound wave of the ultrasonic transducer.

Description

technical field [0001] The present application relates to the technical field of ultrasonic imaging, and more specifically, to an acoustic wave focusing lens, an ultrasonic imaging device and method. Background technique [0002] Ultrasound imaging has been a research hotspot in the medical field in recent years. It mainly uses ultrasonic beams to scan the human body, and obtains images of internal organs by receiving and processing reflected signals. [0003] Ultrasonic imaging devices mostly use a single-source ultrasonic focusing transducer or an array of ultrasonic focusing transducers to form a focused ultrasonic sound field to achieve imaging effects. [0004] However, the current ultrasonic imaging device can only realize the ultrasonic sound field with a single focal depth. If the focal depth needs to be changed, the ultrasonic imaging device needs to be replaced, which brings inconvenience to users. Contents of the invention [0005] The purpose of the present ap...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B8/00
CPCA61B8/4483A61B8/4444
Inventor 郑海荣夏向向蔡飞燕马腾周慧李飞刘佳妹王丛知
Owner SHENZHEN INST OF ADVANCED TECH
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