Multi-mode multi-parameter synchronous detection imaging monitoring system in transient physical process and monitoring method

A physical process, synchronous detection technology, applied in the direction of organ motion/change detection, ultrasound therapy, ultrasound/sonic/infrasonic Permian technology, etc.

Inactive Publication Date: 2010-01-13
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing detection and monitoring modes and parameters are single, especially the lack of synchrono...

Method used

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  • Multi-mode multi-parameter synchronous detection imaging monitoring system in transient physical process and monitoring method
  • Multi-mode multi-parameter synchronous detection imaging monitoring system in transient physical process and monitoring method
  • Multi-mode multi-parameter synchronous detection imaging monitoring system in transient physical process and monitoring method

Examples

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Effect test

Embodiment 1

[0092] Example 1: During the transient physical process of tumor thermal ablation (including microwave, high-intensity focused ultrasound, and laser) treatment, synchronous monitoring and damage dynamic changes of temperature and ultrasound tissue characterization parameters in multiple regions inside the transparent phantom. During the transient physical process of tumor thermal ablation therapy, several (4 in this embodiment) thermocouple tips are placed at predetermined positions inside the transparent phantom by visual observation. The thermocouples are connected to the temperature acquisition equipment at the back end, and the temperature changes at the tips of these thermocouples at the front end are measured and displayed, and the records are saved in the computer. Through the timing control of the main control computer, temperature data is collected at intervals of 50 ms from the beginning of tumor thermal ablation treatment until a period of time after the treatment en...

Embodiment 2

[0094] Example 2: During the transient physical process of tumor thermal ablation (including microwave, high-intensity focused ultrasound and laser) treatment, multi-mode cavitation monitoring and synchronous changes of damage. During the transient physical process of tumor thermal ablation therapy, B-mode ultrasound, backscatter integral subtraction images, passive cavitation detection and optical images are used to monitor the cavitation vaporization microbubbles and their activities during tumor thermal ablation therapy, and Synchronized control with the dynamic changes of damage, such as Figure 7 shown.

[0095] In this embodiment, focused ultrasound is used for thermal ablation therapy. Use a sound power of 80 watts for 50 seconds of continuous irradiation. During the thermal ablation treatment, the fully digital ultrasound equipment is used to synchronously collect the ultrasonic echo radio frequency data of the treatment area during the thermal ablation treatment of ...

Embodiment 3

[0096] Example 3: During the treatment of tumor thermal ablation (including microwave, high-intensity focused ultrasound and laser), multi-mode and multi-parameter synchronous dynamic monitoring imaging. In the process of thermal ablation treatment, optical images, B-mode ultrasound images, and backscatter integral subtraction imaging methods are used to dynamically monitor the tumor thermal ablation process, such as Figure 8 shown.

[0097] In this embodiment, focused ultrasound is used for thermal ablation therapy. Using a sound power of 65 watts, the total irradiation time in the duty cycle mode was 41 seconds. During thermal ablation therapy, the optical information acquisition system can be used to collect the dynamic changes of damage, cavitation vaporization microbubbles and their activities in the transparent biological tissue phantom during focused ultrasound thermal ablation therapy, such as Figure 8 (a) shown. During the thermal ablation treatment, the fully di...

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Abstract

The invention discloses a multi-mode multi-parameter synchronous detection imaging monitoring system in a transient physical process which is characterized in that a master control PC is connected with a data acquisition device, an indicator light, an acquisition card and a temperature acquisition device; an array energy converter is connected with the data acquisition device by full digitalization B-ultrasound; a thermoelectric couple is connected with the temperature acquisition device; a detecting energy converter is connected with the acquisition card by a receiver; an ultrasound energy converter, a camera, the indicator light and the detecting energy converter device and the thermoelectric couple are arranged nearby a sample; the ultrasound energy converter collects radio frequency data of the sample 7 which is input to the master control PC by the data acquisition device and conserved on the main control PC. The invention synchronously integrals a thermal ablation treatment system and a plurality of monitoring systems comprising acoustics, phonology and temperature detecting, thus realizing the multi-mode multi-parameter synchronous detection imaging monitoring in the transient physical process.

Description

technical field [0001] The invention belongs to the technical field of detection and monitoring, and relates to a system and method suitable for integrating multi-mode and multi-parameter synchronous detection and imaging monitoring in transient physical processes. Background technique [0002] Among the existing detection and monitoring technologies, ultrasound has become a widely used detection and monitoring method due to its low cost, good real-time performance, and easy combination. There are domestic and foreign patents that use traditional B-mode ultrasound images to monitor and image the process of tumor thermal ablation treatment, such as US patent US6425867B1 and Chinese patent CN1565671A. B-mode ultrasound images reflect the change of acoustic impedance difference during treatment, and cannot reflect the complex transient physical changes in tumor thermal ablation treatment. S. Vaezy from the United States and G.R. ter Haar from the United Kingdom compared the ch...

Claims

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Application Information

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IPC IPC(8): A61B8/00A61B8/08A61N7/02
Inventor 万明习张思远蒋胡杰钟徽丁婷廖振中王素品
Owner XI AN JIAOTONG UNIV
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