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Construction method of static three-dimensional contour image of hifu treatment system

A treatment system, static three-dimensional technology, applied in the field of construction of static three-dimensional contour images, can solve the problems of inability to observe cut planes, limited observation and diagnosis methods, etc., achieve sufficient energy to reach the target point, avoid insufficient ablation, and focus The effect of precise positioning

Active Publication Date: 2020-09-18
HAIYING ELECTRONIC MEDICAL SYST CO LTD
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Problems solved by technology

During the treatment process, the operator can only observe the section of the human body perpendicular to the transducer (sagittal plane) in the HIFU treatment system, but cannot observe the section parallel to the transducer (coronal plane of the human body), and the observation and diagnosis methods are affected. At the same time, the principle of ultrasonic focusing determines that the coronal plane treatment positioning is more accurate, and the ablation effect on cells is better. However, the sagittal plane treatment cannot achieve such an effect

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  • Construction method of static three-dimensional contour image of hifu treatment system
  • Construction method of static three-dimensional contour image of hifu treatment system

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Embodiment 1

[0040] See figure 1 with figure 2 , the concrete steps of the present invention are as follows:

[0041] A. Scan the B-ultrasound image of the tumor tissue through the positioning B-ultrasound probe 5 set in the central hole directly above the focusing transducer 6 capable of multi-dimensional movement in the HIFU treatment system;

[0042] B. Control the focus position 1 of the HIFU treatment system at the tumor tissue site 4 to be treated, and set a collection line 2 in the direction of the long axis of the tumor with any shape;

[0043] C. The HIFU treatment system performs accurate B-ultrasound image scanning at equal intervals along the acquisition line, and collects a set of B-ultrasound two-dimensional images perpendicular to the acquisition line 2. The operator performs tumor diagnosis according to the tumor image in each B-ultrasound two-dimensional image. Manually outline the area, set the dangerous area as a sensitive area during the treatment and manually outline ...

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Abstract

The invention relates to a construction method of a static three-dimensional contour image of an HIFU (high intensity focused ultrasound) treatment system. According to the method, accurate B-mode ultrasound image scanning of sites of tumors of any shapes is implemented by a B-mode ultrasound probe in a positioning hole in a center hole above a treatment energy converter in a treatment head in theHIFU treatment system, manual hemming of a tumor area and a sensitive area is performed on one group of acquired B-mode ultrasound two-dimensional image by an operator according to medical common senses, structural coordinate elements after hemming are constructed into the static three-dimensional contour image by the HIFU treatment system, series of coronal-plane images are generated by a linearinterpolation method, and treatment of tumors is achieved by planning of a doctor on series of coronal planes. By the aid of a complete observation mode, the coronal planes are visual, so that treatment means are safer.

Description

technical field [0001] The invention relates to the technical field of HIFU treatment systems, in particular to a method for constructing a static three-dimensional contour image of the HIFU treatment system. Background technique [0002] HIFU stands for High Intensity Focused Ultrasound Therapeutic System, which utilizes the beam radiation and good penetrating power of ultrasound in the low megahertz frequency band to focus the ultrasound energy in the desired treatment tissue of the human body in a certain focusing way to form an acoustic Higher intensity area—the focal region. The tissue in the focal region absorbs ultrasonic energy and converts it into heat energy to increase its temperature. When the sound intensity in the focal region reaches thousands or even W / cm2, the temperature will be between 0.5 and It rises to above 70°C within 5s, leading to coagulation necrosis of tissue cells—that is, ablation, and loss of proliferation, infiltration and metastasis capabilit...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61N7/02G16H30/40G06T15/00A61B8/00A61B8/08
Inventor 王晓逸耿晓鸣王国英
Owner HAIYING ELECTRONIC MEDICAL SYST CO LTD
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