Synchronous monitoring method, apparatus and device for tissue displacement and temperature and storage medium

A tissue and displacement technology, applied in the field of biomedical signal processing, can solve the problem that the displacement and temperature of adipose tissue cannot be monitored at the same time, and achieve the effect of ensuring safety

Active Publication Date: 2019-03-19
SHENZHEN INST OF ADVANCED TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The embodiment of the present invention provides a method, device, equipment and storage medium for synchronous monitoring of tissue displacement an

Method used

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  • Synchronous monitoring method, apparatus and device for tissue displacement and temperature and storage medium
  • Synchronous monitoring method, apparatus and device for tissue displacement and temperature and storage medium
  • Synchronous monitoring method, apparatus and device for tissue displacement and temperature and storage medium

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Embodiment 1

[0048] figure 1 It is a flowchart of a method for synchronously monitoring tissue displacement and temperature provided in Embodiment 1 of the present invention. This embodiment is applicable to the situation of synchronous monitoring of tissue displacement and temperature, especially suitable for the situation of synchronous monitoring of displacement and temperature of adipose tissue in focused ultrasound FUS treatment. The method can be performed by the device for synchronously monitoring tissue displacement and temperature provided by the embodiment of the present invention, and the device can be realized by software and / or hardware. see figure 1 , the method of the embodiment of the present invention includes the following steps:

[0049] S110. When the sequence in the magnetic resonance acoustic radiation force imaging MR-ARFI satisfies that the ratio of the echo time to the transverse relaxation time is less than the preset first threshold, and the ratio of the repeti...

Embodiment 2

[0059] figure 2 It is a flowchart of a method for synchronously monitoring tissue displacement and temperature provided in Embodiment 2 of the present invention. This embodiment is optimized on the basis of the above technical solutions. In this embodiment, "according to the amplitude of the image at the current moment, the cumulative phase of the image at each moment, and the amplitude of the image at the initial moment and the temperature of the tissue, the displacement and temperature of the tissue at the current moment are synchronously monitored" The specific optimization is "acquire the cumulative phase of the image at each moment, and convert the cumulative phase into the displacement of the tissue at the current moment according to the preset displacement conversion function; according to the amplitude of the image at the current moment, and the amplitude of the image at the initial moment value and the temperature of the tissue to monitor the temperature of the tiss...

Embodiment 3

[0093] Image 6 It is a structural block diagram of a device for synchronously monitoring tissue displacement and temperature provided in Embodiment 3 of the present invention, and the device is used to implement the method for synchronously monitoring tissue displacement and temperature provided in any of the above embodiments. This device belongs to the same inventive concept as the method for synchronously monitoring tissue displacement and temperature in the above-mentioned embodiments. For details not described in detail in the embodiments of the synchronous monitoring device for tissue displacement and temperature, you can refer to the above-mentioned tissue displacement and temperature. An embodiment of a simultaneous monitoring method. see Image 6 , the device may specifically include: a tissue image acquisition module 310 and a synchronous monitoring module 320 of tissue displacement and temperature.

[0094] Wherein, the tissue image acquisition module 310 is used...

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Abstract

The embodiment of the invention discloses a synchronous monitoring method, apparatus and device for tissue displacement and temperature and a storage medium. The method includes the steps that when asequence in a magnetic resonance sound radiation power image MR-ARFI meets the condition that the ratio of echo time to transverse relaxation time is smaller than a preset first threshold value and the ratio of repetition time to longitudinal relaxation time is greater than a preset second threshold value, tissues are scanned based on MR-ARFI technology to obtain a tissue image; according to an image amplitude at the current moment, the accumulated phases of the image at all moments and the image amplitude at the initial moment and the tissue temperature, the tissue displacement and temperature at the current moment are monitored synchronously. By adopting the technical scheme of the embodiment of the present invention, the displacement and temperature of the tissue at the current moment can be synchronously monitored, and the safety of the FUS focusing process is ensured.

Description

technical field [0001] The embodiments of the present invention relate to the field of biomedical signal processing, in particular to a method, device, equipment and storage medium for synchronously monitoring tissue displacement and temperature. Background technique [0002] Magnetic resonance acoustic radiation force imaging (MR-ARFI) technology can detect the micron-scale displacement of biological tissue, which is used to reflect tissue elasticity, and is an important means of focus positioning in Focused ultrasound (FUS) therapy. However, with repeated ARFI measurements, such as FUS with constant adjustment of beam phase, heat accumulation in tissue in focal localized regions may become significant. Therefore, simultaneous monitoring of tissue displacement and temperature is required to ensure the safety of the FUS treatment process. [0003] The ARFI (Gradient recalled echo-ARFI, GRE-ARFI) technology based on the gradient echo of proton resonance frequency drift uses ...

Claims

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Application Information

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IPC IPC(8): A61B5/055A61B8/00A61B8/08G06T7/00
CPCA61B5/055A61B8/00A61B8/0858A61B8/5223A61B8/5261G06T7/0012
Inventor 郑海荣刘新邹超许宗为乔阳紫程传力
Owner SHENZHEN INST OF ADVANCED TECH
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