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Focusing type gamma ray therapeutic method and arrangement

A gamma ray and treatment device technology, applied in treatment, radiotherapy, X-ray/γ-ray/particle irradiation therapy, etc., can solve the problems that the focal-to-skin ratio cannot be greatly improved and the incident angle of the ray changes little, and achieves Improve the accuracy of positioning treatment, increase the focal-to-skin ratio, and increase the effect of CT function

Active Publication Date: 2009-08-05
上海海吉亚医疗科技(集团)有限公司
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Problems solved by technology

[0003] What the present invention aims to solve is the technical problem that the existing focused gamma ray therapy method and gamma ray therapy device cannot greatly improve the focal-to-skin ratio and the incident angle of rays changes little.

Method used

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  • Focusing type gamma ray therapeutic method and arrangement
  • Focusing type gamma ray therapeutic method and arrangement
  • Focusing type gamma ray therapeutic method and arrangement

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specific Embodiment approach 2

[0018] Such as figure 1 As shown, a focused gamma ray therapy device includes a support body 1, a treatment head 2, a treatment bed 3 and an automatic control mechanism. The support body is connected to the treatment head, and the treatment head includes a source distributed with multiple gamma ray sources The collimation body and the collimation body which is slidingly fitted and connected with the source body have collimation holes matching the distribution of the gamma ray source, and the collimation holes are focused on a point (O) on the central axis along the radial direction. The support body is a C-shaped arm frame with one end open, and the C-shaped arm frame is provided with a driving mechanism for a treatment head. Connected to the rotating shaft; the middle part of the other end of the C-shaped arm frame is connected to the main rotating shaft 5, the other end of the main rotating shaft is connected to the rotating shaft of the base 6 and is connected to the main r...

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Abstract

The invention relates to a focused gamma ray therapy method and a therapy device. During the irradiation treatment, the position of the focal point (O) moves according to a certain rule within the spatial range, and at the same time, the treatment bed on which the human body is placed also moves in conjunction with the movement of the focal point, so as to ensure that the focal point is still located at the tumor position of the human body when it changes . Since the focal point of the gamma ray therapy device changes during the treatment process, the treatment bed on which the human body is placed also moves in conjunction with the movement of the focal point to ensure that the focal point is still located at the tumor position of the human body when the focal point changes. In this way, the human body is exposed to gamma rays. The skin area is greatly increased, and the burnt-to-skin ratio is greatly improved.

Description

technical field [0001] The invention relates to a focused gamma ray therapy method and a therapy device. Background technique [0002] The existing focused gamma ray therapy method is mainly to focus multiple beams of gamma rays on a focal point (O), place the tumor of the human body at the focal point (O) for irradiation treatment, and some of them use a rotating method during the treatment process Irradiation is performed to expand the focal-to-skin ratio, but due to the small change in the incident angle, the irradiated skin area is still limited, and the focal-to-skin ratio cannot be greatly improved. Therefore, the focal-to-skin ratio of the focused gamma ray therapy device designed is not high . Contents of the invention [0003] The present invention aims to solve the technical problems that the existing focused gamma ray therapy method and gamma ray therapy device cannot greatly improve the focal-to-skin ratio and the incident angle of rays changes little. [000...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61N5/01A61N5/10
Inventor 宋世鹏
Owner 上海海吉亚医疗科技(集团)有限公司
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