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Whole body radiotherapy tissue compensation device and manufacturing method thereof

A compensation device and tissue compensation technology, applied in radiation therapy, X-ray/γ-ray/particle radiation therapy, treatment and other directions, can solve problems such as difficulty in uniform and accurate dose irradiation, and achieve elimination of adverse effects, accurate dose irradiation, Avoid mismatched effects

Inactive Publication Date: 2018-11-27
CANCER CENT OF GUANGZHOU MEDICAL UNIV
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  • Claims
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Problems solved by technology

It is precisely because of the dose-building characteristics of high-energy X-rays that it is difficult to achieve the goal of uniform and accurate dose irradiation of the whole body from the surface of the body to the subcutaneous tissue at a certain depth during whole-body radiotherapy

Method used

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  • Whole body radiotherapy tissue compensation device and manufacturing method thereof
  • Whole body radiotherapy tissue compensation device and manufacturing method thereof

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Embodiment Construction

[0026] refer to figure 1 , figure 2 , which shows the specific structure of the preferred embodiment of the present invention. The structural characteristics of each component of the present invention will be described in detail below.

[0027] refer to figure 1 , because when high-energy X-rays (such as 6MV X-rays) irradiate the tissue, from the surface to a certain depth, the dose absorbed by the tissue increases with the increase of depth until the maximum value, which is clinically defined as the maximum dose depth ( dmax), beyond this depth, the exposure dose decreases as the depth increases. When high-energy X-rays (such as 6MV X-rays) are irradiated, the irradiated agent in the tissue changes with the depth, especially in the area from the body surface to the maximum dose depth, where the change is most significant. Clinically, this area is called Dose built-up area. In order to achieve the goal of uniform and accurate dose irradiation of the whole body from the b...

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Abstract

The invention discloses a whole body radiotherapy tissue compensation device and a manufacturing method thereof, applied to the technical field of whole body radiotherapy. The whole body radiotherapytissue compensation device is characterized in that non-metallic material is molded by means of a 3D printing technique; the compensation device has an inner surface matching the contour of a human body surface; and the compensation device has an equivalent tissue compensator. The manufacturing method of the whole body radiotherapy tissue compensation device includes the steps: performing whole body CT scanning; generating the contour of the body surface of a patient, based on a CT image of the patient; and according to the contour of the body surface of the patient, generating a compensationdevice drawing of the compensation device, generating a 3D printed file by using a tool software, and printing the compensation device. The whole body radiotherapy tissue compensation device is used for absorbing the irradiation dose of a dose built-up area, and is easy to achieve the aim that the whole body from the body surface to the subcutaneous tissue at a certain depth can accept uniform andaccurate dose of irradiation when whole body radiotherapy is performed on a patient with whole body superficial malignant lesions (Mycosis fungoides), by combining with advanced radiotherapy equipment.

Description

technical field [0001] The invention is used in the technical field of whole-body radiotherapy, and in particular relates to a tissue compensation device for whole-body radiotherapy and a manufacturing method thereof. Background technique [0002] Whole-body radiotherapy is a very effective technique for treating some superficial malignant lesions (such as skin mycosis fungoides). According to the different types of radiation used, whole-body radiotherapy includes whole-body electron beam and whole-body X-ray radiotherapy techniques. For cutaneous mycosis fungoides, high-energy electron rays with lower energy (such as 6MeV, 9MeV) produced by accelerators are usually used for long-distance (3-4m), multi-angle and double-rack angle irradiation. The specific implementation method is: the patient Standing in the center of the disc divided by 60°, through the technician's positioning, the patient faces the beam, turns different angles (0°, 60°, 120°, 180°, 240° and 300°) in turn,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61N5/10
CPCA61N5/1001A61N5/1064A61N2005/1096
Inventor 张书旭林生趣李萍曾庆星林晓辉张国前王锐濠
Owner CANCER CENT OF GUANGZHOU MEDICAL UNIV
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