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3D radiotherapy positioning film generating method and system, electronic device, and storage medium

A technology of positioning film and three-dimensional positioning film, which is applied in radiation therapy, X-ray/γ-ray/particle irradiation therapy, treatment, etc. It can solve the problem that the details of the patient's outer contour are reflected, which affects the treatment accuracy, the patient's comfort, and the patient's skin fit. In order to meet the quality control needs of clinical treatment, meet the high-precision personalized clinical needs, and avoid medical accidents

Active Publication Date: 2018-11-30
GUANGDONG PUNENG BIOTECHNOLOGY CO LTD
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Problems solved by technology

[0002] At present, the positioning film used in the process of tumor radiotherapy is designed by CT simulation positioning. The traditional positioning film is used for treatment from CT simulation positioning to production completion. It takes too long to treat. During this period, the patient's tumor will change. It may lead to miss the best treatment opportunity and affect the treatment effect
Moreover, the traditional positioning film and the fixing device of the positioning film are independent of each other, and the degree of fit between the positioning film and the fixing device is low, which affects the treatment accuracy
In addition, the traditional positioning film is a thermoplastic film made of heat-sensitive materials. The thermoplastic film is made of polycaprolactone material. The melting point of polycaprolactone material is 59°C to 64°C. Deformation due to ambient temperature difference
During the production process of the thermoplastic film, it is necessary to soak the soft polycaprolactone material in a warm water bath at 65°C, and then apply it on the patient's body surface to cool and form it. During the cooling and forming process, the thermoplastic film keeps collapsing and cannot reflect the details of the patient's outer contour. out, the degree of fit with the patient's skin is not high, which affects the reset accuracy; in addition, during use, the size of the thermoplastic film will change with the change of the ambient temperature, especially in late autumn, because the ambient temperature drops sharply, the thermoplastic film The membrane will become smaller, seriously affecting the treatment accuracy and patient wearing comfort

Method used

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  • 3D radiotherapy positioning film generating method and system, electronic device, and storage medium

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[0039]Below, the present invention will be further described in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of not conflicting, the various embodiments described below or the technical features can be combined arbitrarily to form new embodiments. .

[0040] A method for generating a 3D radiotherapy positioning film, such as figure 1 shown, including the following steps:

[0041] Create a three-dimensional patient model, and create a three-dimensional patient model through the patient's body surface data; in this embodiment, the three-dimensional patient model is specifically a patient's head and face model, preferably, the step of creating a 3D model includes obtaining the patient's body surface data scanned by a 3D scanner to create a three-dimensional Patient model; the step of creating a 3D model also includes obtaining the patient's medical imaging data, such as: patient's CT, MRI, PET-CT image...

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Abstract

The invention provides a 3D radiotherapy positioning film generating method. The 3D radiotherapy positioning film generating method comprises the steps that a three-dimensional patient model is created through patient body surface data; a region of a positioning film body on the three-dimensional patient model is selected, a positioning film body diagram is thickened according to the thickness ofthe positioning film body, and a three-dimensional positioning film body model is generated; and a three-dimensional positioning film fixing device model is acquired, and Boolean operation is performed on the three-dimensional positioning film body model and the three-dimensional positioning film fixing device model to generate a three-dimensional positioning film model. The invention relates to a3D radiotherapy positioning film generating system, and further relates to an electronic device and a readable storage medium for performing the 3D radiotherapy positioning film generating method. According to the 3D radiotherapy positioning film generating method, the three-dimensional patient model is created through the patient body surface data which are scanned by a 3D scanner or medical image data of a patient, 3D printing of the positioning film model is carried out by using environment-friendly materials, the positioning accuracy is high, the production time is short, and it is ensured that the patient is treated in the optimal treatment time so as to achieve precise radiotherapy.

Description

technical field [0001] The invention relates to the technical field of tumor radiation therapy, in particular to a method for generating a 3D radiotherapy positioning film, electronic equipment, a storage medium and a system. Background technique [0002] At present, the positioning film used in the process of tumor radiotherapy is designed by CT simulation positioning. The traditional positioning film is used for treatment from CT simulation positioning to production completion. It takes too long to treat. During this period, the patient's tumor will change. It may lead to miss the best treatment time and affect the treatment effect. Moreover, the traditional positioning film and the fixing device of the positioning film are independent of each other, and the degree of fit between the positioning film and the fixing device is low, which affects the treatment accuracy. In addition, the traditional positioning film is a thermoplastic film made of heat-sensitive materials. Th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61N5/10
CPCA61N5/1048
Inventor 汪大清
Owner GUANGDONG PUNENG BIOTECHNOLOGY CO LTD
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