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Intravascular ultrasound system

An ultrasound system and blood vessel technology, applied in ultrasound/sonic/infrasonic Permian technology, catheters, ultrasonic/sonic/infrasonic diagnosis, etc., can solve problems such as being susceptible to external interference, ultrasonic signal attenuation, and deterioration of ultrasonic image quality. , to achieve the effect of improving the quality of ultrasound images

Pending Publication Date: 2020-03-17
SHENZHEN INSIGHT MED CO LTD
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  • Description
  • Claims
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Problems solved by technology

Therefore, the reflected ultrasonic signal received by the ultrasonic transducer is attenuated very seriously. In this case, the strength of the electrical signal generated by the ultrasonic transducer is very weak (that is, the electrical signal is very weak)
If the generated electrical signal is directly transmitted to the retraction device through the connecting wire, it is easy to be interfered by the outside world
For example, the length of the connecting wire can be 1.6-2m, and the transmission of electrical signals in the connecting wire is easily subject to external interference to generate a strong interference signal, which will reduce the signal-to-noise ratio of the intravascular ultrasound system and make the final ultrasound Image quality deteriorates

Method used

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Embodiment Construction

[0022] Hereinafter, preferred embodiments of the present disclosure will be described in detail with reference to the drawings. In the following description, the same reference numerals are given to the same components, and repeated descriptions are omitted. In addition, the drawings are only schematic diagrams, and the ratio of dimensions between components, the shape of components, and the like may be different from the actual ones.

[0023] In addition, subheadings and the like involved in the following description of the present disclosure are not intended to limit the content or scope of the present disclosure, but are merely used as a reminder for reading. Such subtitles can neither be understood as used to divide the content of the article, nor should the content under the subtitle be limited to the scope of the subtitle.

[0024] The present disclosure provides an intravascular ultrasound system. In the present disclosure, the electrical signal generated by the ultra...

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Abstract

The disclosure relates to an intravascular ultrasound system comprising a host having a signal processing module, an ultrasonic catheter, and a withdrawing device. The ultrasonic catheter having an inner cavity is provided with a near-end part close to the host and a far-end part far away from the host and includes an ultrasonic transducer arranged at the far-end part and a balun coupler connectedwith the ultrasonic transducer; the ultrasonic transducer transmits and receives ultrasonic signals and converts the ultrasonic signals into electric signals; and the balun coupler receives the electric signals and converts the electric signals into differential signals. The withdrawing device is controlled by the host and is connected with the ultrasonic catheter and controls the movement of theultrasonic catheter. According to the invention, the ultrasonic transducer and the balun coupler are arranged in the ultrasonic catheter, the ultrasonic transducer is used for collecting blood vesselinformation to generate an electric signal, the balun coupler is used for processing the electric signal to obtain a differential signal with strong anti-interference capability, and the differentialsignal is processed by the withdrawing device and the host to obtain an ultrasonic image with improved quality.

Description

technical field [0001] The present disclosure specifically relates to an intravascular ultrasound system. Background technique [0002] Intravascular Ultrasound (IVUS) refers to a system that uses ultrasound technology and interventional catheter technology to perform ultrasound imaging in blood vessels. This technology mainly places a miniaturized ultrasonic transducer at a specific position in the blood vessel through an interventional catheter. When the ultrasonic transducer is withdrawn, the ultrasonic transducer generates ultrasonic signals, which propagate in human tissue and reflected, and convert the received echo signal into an electrical signal, and then, the image processing unit of the intravascular ultrasound system processes and displays the electrical signal, so as to obtain the image information of the lumen and the wall of the target area in the blood vessel. [0003] But the ultrasonic signal attenuates very fast when it propagates in human tissue. For exa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B8/12A61B8/08A61B8/00
CPCA61B8/12A61B8/0891A61B8/4494A61B8/4444A61B8/52
Inventor 丁成君熊双涛宋亮陈丽丽
Owner SHENZHEN INSIGHT MED CO LTD
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