Method for realizing radioactive particle implantation by using laser guidance

A radioactive particle and laser-guided technology, applied in radiation therapy, X-ray/γ-ray/particle irradiation therapy, treatment, etc., can solve the problems of long production cycle of 3D printing template, inability to adjust intraoperatively, difficult technical operation, etc. , to achieve the effect of reducing treatment risk, reducing economic burden, and reducing surgical risk

Inactive Publication Date: 2019-01-11
成都真实维度科技有限公司 +1
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Problems solved by technology

[0015] The present invention provides a method for implanting radioactive particles using laser guidance, which is used to solve the problem of long production cycle and high cost of 3D printing templates in the prior art, and the size and position of the tumor in the patient's body may have changed during the production cycle. There are certain errors during an

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  • Method for realizing radioactive particle implantation by using laser guidance
  • Method for realizing radioactive particle implantation by using laser guidance
  • Method for realizing radioactive particle implantation by using laser guidance

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Embodiment 1

[0066] like figure 1 As shown, a method for implementing radioactive seed implantation using laser guidance includes the following steps:

[0067] Step S1, fix the patient's body position and mark the target area on the patient's body surface; input patient information and identification number at the same time, and formulate a surgical plan;

[0068] Step S2, acquiring the image examination data of the target area of ​​the patient, importing the image examination data into the processing system for dimensional reconstruction, and generating a disease body model with a three-dimensional coordinate system;

[0069] Step S3, import the disease body model into the computer three-dimensional treatment planning system for dimensional development, determine and add the source line of the puncture needle track, deploy the radioactive particles on the source line, and convert the disease body model with the source line into a three-dimensional shape. Derived in the form of data packe...

Embodiment 2

[0074] On the basis of the above embodiment, as a preferred solution, in step S1, the image inspection data is the image inspection result of the target area by ultrasound, CT or MRI; it is worth noting that, as a preferred solution, The imaging examinations of ultrasound, CT or MRI here use contrast-enhanced scanning technology. Clinical trials have fully proved that contrast-enhanced scanning technology can significantly improve the resolution and diagnostic accuracy of organs and tumors compared with ordinary plain scanning. Taking vertebral body CT examination as an example, the accuracy rate of plain CT scan is 91%, and the accuracy rate of contrast-enhanced CT scan can reach 94-98%.

Embodiment 3

[0076] like figure 2 As shown, on the basis of the above embodiment, as a preferred solution, in step S2, the disease body model is superimposed and synthesized by the image examination data within the target area of ​​the patient, including the body surface contour data in the target area of ​​the patient, the body surface contour data in the patient's target area Organ contour data and tumor contour data; further, the step of dimensional reconstruction in step S2 is,

[0077] Step S201: make a body surface marking point A0 on the patient target area;

[0078] Step S202: establishing a three-dimensional coordinate system for the diseased body model, the three-dimensional coordinate system takes the body surface marker A0 as the coordinate origin, the vertical line passing through the body surface marker A0 as the z-axis, and determines x according to the coordinate origin and the z-axis. axis and y axis;

[0079] Step S203: Perform three-dimensional coordinate editing on t...

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Abstract

The invention belongs to the technical field of radioactive particle implantation, and discloses a method for realizing radioactive particle implantation by using laser guidance, comprising the following steps: S1, marking a target area on the body surface of a patient; S2, obtaining the image examination data of the patient target area and introducing the image examination data into the processing system to generate a disease body model; 3, introducing the disease body model into a computer three-dimensional treatment plan system for dimension development, determining and adding a source lineof a puncture needle path, arranging radioactive particles on the source line, and derive the radioactive particles in the form of a three-dimensional data packet; S4, introducing the three-dimensional data packet into the orbit equipment and emitting laser rays according to the three-dimensional coordinate vector of the distribution source line; and 5, inserting a particle needle along that laser ray and implant radioactive particles. The invention adopts laser technology to guide, combines the advantages of freehand puncture and template puncture, shortens the preparation period before operating, lowers the cost, and can change the implantation scheme in time according to the change of the tumor in the patient body, and has strong flexibility.

Description

technical field [0001] The invention belongs to the technical field of radioactive particle implantation, and in particular relates to a method for implementing radioactive particle implantation by using laser guidance. Background technique [0002] Radioactive seeds interstitial brachytherapy has a history of more than 100 years. The early radioactive seed implantation methods mainly include the following two methods: [0003] 1. Puncture with bare hands, relying on the doctor's experience to puncture; [0004] 2. Set a fixed template on the surface of the human body as a guide for parallel puncture; [0005] However, the above-mentioned particle implantation method is prone to emergencies during the operation and cannot be adjusted in time, such as pneumothorax, edema, etc., which may lead to tumor deterioration or endanger the life of the patient. However, with the emergence of the computer three-dimensional treatment planning system, radioactive The particle therapy fo...

Claims

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Application Information

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IPC IPC(8): A61N5/10
CPCA61N5/1007
Inventor 王若雨曲飞寰周军王喆吴金宇张翔韦振川
Owner 成都真实维度科技有限公司
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