3D printing-based method, equipment and medium for manufacturing oral brackets for radiotherapy

Abstract

The present invention provides a method for manufacturing a radiotherapy oral bracket based on 3D printing, which includes obtaining information about the patient's condition, calculating information about the oral support structure, calculating information about the bracket fixing structure, generating information about the tongue positioning structure, calculating information about the air permeability channel, generating a personalized three-dimensional model of the oral bracket, generating three-dimensional surface data, and printing the oral bracket. The personalized bracket obtained by the method for manufacturing a radiotherapy oral bracket based on 3D printing provided by the present invention can achieve a good radiotherapy effect. The patient to be treated is not easily moved when using the personalized oral bracket, avoiding the problem of excessive positioning errors during radiotherapy due to poor position repeatability. At the same time, the manufacturing process of the personalized oral bracket does not rely on the patient's impression occlusal shaping, avoiding the problem that the tongue position is difficult to fix to the ideal position during the patient's occlusion, thereby affecting the treatment effect.

Description

Technical Field

[0001] The present invention relates to the field of oral stents, and in particular to a method, equipment and medium for manufacturing oral stents for radiotherapy based on 3D printing. Background Art

[0002] Radiation therapy is widely used in the treatment of head and neck malignancies. However, various acute and late radiation-induced injuries, such as oral mucositis, xerostomia, and osteoradionecrosis, can severely impact patients' quality of life. The use of oral stents can help reduce these injuries and improve patients' quality of life. Currently, oral stents used in radiotherapy are mostly made of uniformly sized corks, which are prone to movement and have poor positional repeatability, ultimately leading to significant positioning errors during radiotherapy. Summary of the Invention

[0003] In order to overcome the shortcomings of the existing technology, one of the purposes of the present invention is to provide a method for manufacturing oral brackets for radiotherapy based on 3D printing, which can solve the problem that the oral brackets currently used in radiotherapy are mostly made of corks of uniform specifications, which are easy to move and have poor position repeatability, ultimately leading to excessive positioning errors during radiotherapy.

[0004] The second purpose of the present invention is to provide an electronic device that can solve the problem that the oral stents currently used in radiotherapy are mostly made of corks of uniform specifications, which are easy to move and have poor position repeatability, ultimately leading to excessive positioning errors during radiotherapy.

[0005] The third object of the present invention is to provide a computer-readable storage medium, which can solve the problem that the oral stents currently used in radiotherapy are mostly made of corks of uniform specifications, which are easy to move and have poor position repeatability, ultimately leading to excessive positioning errors during radiotherapy.

[0006] One of the purposes of the present invention is achieved by the following technical solution:

[0007] A method for manufacturing a radiotherapy oral bracket based on 3D printing includes the following steps:

[0008] Acquiring condition information, including information on the patient's condition, including tumor location information, tumor shape and size information, patient's oral contour information, patient's upper jaw contour information, and patient's tooth contour information;

[0009] Calculating oral support structure information, calculating the patient's oral opening and closing degree based on the tumor location information and the tumor shape and size information, and calculating the oral support structure information based on the oral opening and closing degree, the patient's oral contour information, and the patient's maxillary contour information;

[0010] Calculating bracket fixing structure information, calculating tooth occlusion information based on the patient's tooth contour information and the oral opening and closing degree, and calculating bracket fixing structure information based on the tooth occlusion information, the patient's oral contour information, and the patient's tooth contour information;

[0011] Generating tongue positioning structure information, inputting the tumor location information and the tumor shape and size information into a preset tongue positioning structure model, and the preset tongue positioning structure model outputting corresponding tongue positioning structure information;

[0012] Calculating ventilation channel information, generating ventilation channel information based on the oral support structure information, the bracket fixing structure information, the tongue positioning structure information, and a preset ventilation channel rule;

[0013] Generate a personalized oral bracket three-dimensional model, and generate the personalized oral bracket three-dimensional model according to the oral support structure information, the bracket fixing structure information, the tongue positioning structure information and the air permeability channel information;

[0014] Generating three-dimensional surface data, smoothing the personalized oral three-dimensional model and adding identification information to generate the three-dimensional surface data;

[0015] Print the oral bracket, output the three-dimensional surface data as a 3D printing standard model file, and input it into a 3D printer for printing to obtain a personalized oral bracket.

[0016] Furthermore, before generating the tongue positioning structure information, it also includes creating a preset tongue positioning structure model, establishing a tongue positioning structure information template based on the stored treated case data, the treated case data including the treated tumor position information, the treated tumor shape and size information and the tongue positioning structure information, establishing a mapping relationship between the treated tumor position information and the treated tumor shape and size information in the treated case data and the tongue positioning structure information, obtaining the tongue positioning structure information template, and establishing a preset tongue positioning structure model based on the tongue positioning structure information template.

[0017] Furthermore, the generation of tongue positioning structure information is specifically as follows: the tumor position information and the tumor shape and size information are input into a preset tongue positioning structure model, the preset tongue positioning structure model matches the corresponding treated tumor position information and treated tumor shape and size information in the tongue positioning structure information template according to the tumor position information and the tumor shape and size information, obtains the corresponding tongue positioning structure information according to the treated tumor position information and the treated tumor shape and size information, and outputs the tongue positioning structure information.

[0018] Furthermore, before generating the personalized oral bracket three-dimensional model, intervention processing is also included, and the oral support structure information, the bracket fixing structure information, the tongue positioning structure information and the air permeability channel information are intervened according to the intervention instructions sent by the doctor terminal.

[0019] Furthermore, the intervention processing is specifically: confirming the oral support structure information, the bracket fixing structure information, the tongue positioning structure information and the air channel information according to the confirmation instruction sent by the doctor terminal, or adjusting the oral support structure information, the bracket fixing structure information, the tongue positioning structure information and the air channel information according to the adjustment instruction sent by the doctor terminal.

[0020] Furthermore, the preset ventilation channel rule is that the size of the ventilation channel does not exceed the thickness of the oral support structure.

[0021] Furthermore, the identification information includes but is not limited to the patient's name and medical record number.

[0022] Furthermore, before obtaining the medical condition information, the method includes generating the medical condition information, obtaining patient imaging information of the patient to be treated from a scanning device, extracting the patient's oral contour information, the patient's upper jaw contour information, and the patient's tooth contour information from the patient imaging information, sending the patient imaging information to the doctor's terminal for display, identifying the tumor location and tumor range in the patient imaging information according to the tumor delineation instruction sent by the doctor's terminal, and extracting the tumor location information and tumor shape and size information from the patient imaging information according to the identified tumor location and tumor range.

[0023] The second object of the present invention is achieved by adopting the following technical solutions:

[0024] An electronic device comprising: a processor;

[0025] A memory; and a program, wherein the program is stored in the memory and is configured to be executed by a processor, the program including a method for manufacturing a radiotherapy oral bracket based on 3D printing used in the present application.

[0026] The third object of the present invention is achieved by adopting the following technical solutions:

[0027] A computer-readable storage medium having a computer program stored thereon, wherein the computer program is executed by a processor to implement the method for manufacturing an oral bracket for radiotherapy based on 3D printing in the present application.

[0028] Compared with the existing technology, the beneficial effects of the present invention are as follows: the manufacturing method of the oral bracket for radiotherapy based on 3D printing of the present application includes obtaining the condition information of the patient to be treated sent by the doctor terminal, the condition information including tumor location information, tumor shape and size information, patient oral contour information, patient upper jaw contour information, and patient tooth contour information; calculating the patient's oral opening and closing degree based on the tumor location information and tumor shape and size information, and calculating the oral support structure information based on the oral opening and closing degree, the patient's oral contour information and the patient's upper jaw contour information; calculating the tooth occlusion information based on the patient's tooth contour information and the oral opening and closing degree, and calculating the bracket based on the tooth occlusion information, the patient's oral contour information and the patient's tooth contour information fixed structure information; input the tumor location information and the tumor shape and size information into the preset tongue positioning structure model, and the preset tongue positioning structure model outputs the corresponding tongue positioning structure information; generate the ventilation channel information according to the oral support structure information, the bracket fixing structure information, the tongue positioning structure information and the preset ventilation channel rules; generate a personalized oral bracket three-dimensional model according to the oral support structure information, the bracket fixing structure information, the tongue positioning structure information and the ventilation channel information; smooth the personalized oral three-dimensional model and add identification information to generate three-dimensional surface data; output the three-dimensional surface data as a 3D printing standard model file, and input it into the 3D printer for printing to obtain a personalized oral bracket. By using the tumor location information, tumor shape and size information, patient oral contour information, patient upper jaw contour information, and patient tooth contour information of the patient to be treated, the oral support structure information, bracket fixing structure information, tongue positioning structure information, and air permeability channel information required for generating a personalized oral bracket three-dimensional model can be accurately obtained, thereby obtaining a personalized oral bracket that fits the patient's mouth more closely, and the obtained personalized bracket can achieve better radiotherapy effects. The patient to be treated is not easy to move when using the personalized oral bracket, avoiding the problem of excessive positioning errors during radiotherapy due to poor position repeatability. At the same time, the manufacturing process of the personalized oral bracket does not rely on the patient's impression occlusal shaping, avoiding the problem that the tongue position is difficult to fix to the ideal position during the patient's occlusion, thereby affecting the treatment effect.

[0029] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention and to implement it according to the contents of the description, the following preferred embodiments of the present invention are described in detail with reference to the accompanying drawings. The specific implementation methods of the present invention are given in detail by the following embodiments and the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0031] Figure 1 Schematic diagram of the process of manufacturing a radiotherapy oral stent based on 3D printing of the present invention;

[0032] Figure 2 This is a schematic structural diagram of a three-dimensional model of a personalized oral bracket in the method for manufacturing an oral bracket for radiotherapy based on 3D printing of the present invention.

[0033] In the attached figure: 1. tongue positioning structure; 2. bracket fixing structure; 3. oral support structure; 4. ventilation channel. DETAILED DESCRIPTION

[0034] The present invention will be further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0035] like Figure 1 As shown, the method for manufacturing a radiotherapy oral bracket based on 3D printing in this application includes the following steps:

[0036] Generate medical condition information, obtain patient imaging information of the patient to be treated from a scanning device, extract the patient's oral contour information, patient's upper jaw contour information, and patient's tooth contour information from the patient imaging information, and send the patient imaging information to the doctor's terminal for display. Identify the tumor location and extent in the patient imaging information based on the tumor delineation instructions sent by the doctor's terminal, and extract the tumor location information and tumor shape and size information from the patient imaging information based on the identified tumor location and extent. In this embodiment, the patient imaging information is obtained using CT (Computed Tomography) or MRI (Magnetic Resonance Imaging).

[0037] Obtaining condition information, obtaining condition information of the patient to be treated obtained through the steps of generating condition information, wherein the condition information includes tumor location information, tumor shape and size information, patient oral contour information, patient upper jaw contour information, and patient tooth contour information.

[0038] Calculate oral support structure information, calculate the patient's oral opening and closing degree based on the tumor location information and the tumor shape and size information, and calculate oral support structure information based on the oral opening and closing degree, the patient's oral contour information, and the patient's maxillary contour information. The oral support structure information is oral support structure size information.

[0039] Calculate the bracket fixing structure information, calculate the tooth occlusion information based on the patient's tooth contour information and the oral opening and closing degree, calculate the bracket fixing structure information based on the tooth occlusion information, the patient's oral contour information, and the patient's tooth contour information, the bracket fixing structure information is the size information of the bracket fixing structure.

[0040] Create a preset tongue positioning structure model, and establish a tongue positioning structure information template based on the stored treated case data, wherein the treated case data includes the treated tumor position information, the treated tumor shape and size information, and the tongue positioning structure information. Establish a mapping relationship between the treated tumor position information, the treated tumor shape and size information in the treated case data and the tongue positioning structure information to obtain the tongue positioning structure information template, and establish a preset tongue positioning structure model based on the tongue positioning structure information template.

[0041] Generate tongue positioning structure information, input the tumor position information and the tumor shape and size information into a preset tongue positioning structure model, and the preset tongue positioning structure model outputs the corresponding tongue positioning structure information. Specifically, the tumor position information and the tumor shape and size information are input into the preset tongue positioning structure model, and the preset tongue positioning structure model matches the corresponding treated tumor position information and treated tumor shape and size information in the tongue positioning structure information template based on the tumor position information and the tumor shape and size information, obtains the corresponding tongue positioning structure information based on the treated tumor position information and the treated tumor shape and size information, and outputs the tongue positioning structure information.

[0042] Calculate ventilation channel information based on the oral support structure information, the bracket fixing structure information, the tongue positioning structure information, and preset ventilation channel rules. The preset ventilation channel rules in this embodiment are that the ventilation channel extends through the inside and outside of the oral cavity, the size of the ventilation channel meets normal ventilation requirements, and the size of the ventilation channel does not exceed the thickness of the oral support structure, and does not affect the integrity of the oral support structure, the bracket fixing structure, and the tongue positioning structure.

[0043] Intervention processing: performing intervention processing on the oral support structure information, the bracket fixing structure information, the tongue positioning structure information, and the ventilation channel information according to the intervention instruction sent by the doctor terminal. Specifically, the oral support structure information, the bracket fixing structure information, the tongue positioning structure information, and the ventilation channel information are confirmed according to the confirmation instruction sent by the doctor terminal, or the oral support structure information, the bracket fixing structure information, the tongue positioning structure information, and the ventilation channel information are adjusted according to the adjustment instruction sent by the doctor terminal.

[0044] Generate a personalized oral bracket three-dimensional model, and generate a personalized oral bracket three-dimensional model according to the oral support structure information, the bracket fixing structure information, the tongue positioning structure information and the air permeability channel information. Figure 2 As shown, the oral support structure information is used to generate the oral support structure 3, the bracket fixing structure information is used to generate the bracket fixing structure 2, the tongue positioning structure information is used to generate the tongue positioning structure 1, and the air channel information is used to generate the air channel 4. The number of air channels 4 in this application is not limited and is specifically determined according to the width of the oral support structure 3.

[0045] Generate three-dimensional surface data, smooth the personalized oral three-dimensional model and add identification information to generate three-dimensional surface data; the identification information in this embodiment includes the patient's name and medical record number.

[0046] Print the oral bracket, output the three-dimensional surface data as a 3D printing standard model file, and input it into a 3D printer for printing to obtain a personalized oral bracket.

[0047] This embodiment also provides an electronic device, including: a processor;

[0048] A memory; and a program, wherein the program is stored in the memory and is configured to be executed by a processor, the program including a method for manufacturing a radiotherapy oral bracket based on 3D printing used in the present application.

[0049] This embodiment also provides a computer-readable storage medium having a computer program stored thereon, and the computer program is executed by a processor in the method for manufacturing a radiotherapy oral bracket based on 3D printing in this application.

[0050] The present invention relates to a method for manufacturing an oral bracket for radiotherapy based on 3D printing, comprising obtaining medical information of a patient to be treated sent by a doctor's terminal, the medical information including tumor location information, tumor shape and size information, patient oral contour information, patient upper jaw contour information, and patient tooth contour information; calculating the patient's oral opening and closing degree based on the tumor location information and tumor shape and size information, and obtaining oral support structure information based on the oral opening and closing degree, the patient's oral contour information, and the patient's upper jaw contour information; calculating tooth occlusion information based on the patient's tooth contour information and oral opening and closing degree, and calculating bracket fixing structure information based on the tooth occlusion information, the patient's oral contour information, and the patient's tooth contour information; placing the tumor on the patient's oral cavity; and calculating the bracket fixing structure information based on the patient's tooth contour information and the oral opening and closing degree. Tumor location information and tumor shape and size information are input into a preset tongue positioning structure model, and the preset tongue positioning structure model outputs corresponding tongue positioning structure information; ventilation channel information is generated based on oral support structure information, bracket fixing structure information, tongue positioning structure information and preset ventilation channel rules; a personalized oral bracket three-dimensional model is generated based on the oral support structure information, bracket fixing structure information, tongue positioning structure information and ventilation channel information; the personalized oral three-dimensional model is smoothed and identification information is added to generate three-dimensional surface data; the three-dimensional surface data is output as a 3D printing standard model file, and input into a 3D printer for printing to obtain a personalized oral bracket. By using the tumor location information, tumor shape and size information, patient oral contour information, patient upper jaw contour information, and patient tooth contour information of the patient to be treated, the oral support structure information, bracket fixing structure information, tongue positioning structure information, and air permeability channel information required for generating a personalized oral bracket three-dimensional model can be accurately obtained, thereby obtaining a personalized oral bracket that fits the patient's mouth more closely, and the obtained personalized bracket can achieve better radiotherapy effects. The patient to be treated is not easy to move when using the personalized oral bracket, avoiding the problem of excessive positioning error during radiotherapy due to poor position repeatability. The manufacturing process of the personalized oral bracket does not rely on the patient's impression occlusal shaping, avoiding the problem that the tongue position is difficult to fix to the ideal position during the patient's occlusion, thereby affecting the treatment effect.

[0051] The above are only preferred embodiments of the present invention and do not limit the present invention in any form. Any ordinary technician in this industry can smoothly implement the present invention as shown in the drawings and the above. However, any equivalent changes, modifications and evolutions made by technicians familiar with this profession without departing from the scope of the technical solution of the present invention using the technical content disclosed above are all equivalent embodiments of the present invention. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the present invention are still within the scope of protection of the technical solution of the present invention.

Claims

1. A method for manufacturing an oral bracket for radiotherapy based on 3D printing, characterized in that: The following steps are involved: Acquiring condition information, including information on the patient's condition, including tumor location information, tumor shape and size information, patient's oral contour information, patient's upper jaw contour information, and patient's tooth contour information; Calculating oral support structure information, calculating the patient's oral opening and closing degree based on the tumor location information and the tumor shape and size information, and calculating the oral support structure information based on the oral opening and closing degree, the patient's oral contour information, and the patient's maxillary contour information; Calculating bracket fixing structure information, calculating tooth occlusion information based on the patient's tooth contour information and the oral opening and closing degree, and calculating bracket fixing structure information based on the tooth occlusion information, the patient's oral contour information, and the patient's tooth contour information; Generating tongue positioning structure information, inputting the tumor location information and the tumor shape and size information into a preset tongue positioning structure model, and the preset tongue positioning structure model outputting corresponding tongue positioning structure information; Calculating ventilation channel information, generating ventilation channel information based on the oral support structure information, the bracket fixing structure information, the tongue positioning structure information, and a preset ventilation channel rule; Generate a personalized oral bracket three-dimensional model, and generate the personalized oral bracket three-dimensional model according to the oral support structure information, the bracket fixing structure information, the tongue positioning structure information and the air permeability channel information; Generating three-dimensional surface data, smoothing the personalized oral three-dimensional model and adding identification information to generate the three-dimensional surface data; Printing the oral bracket, outputting the three-dimensional surface data as a 3D printing standard model file, and inputting it into a 3D printer for printing to obtain a personalized oral bracket; wherein, Before generating the tongue positioning structure information, it also includes creating a preset tongue positioning structure model, establishing a tongue positioning structure information template based on the stored treated case data, the treated case data including the treated tumor position information, the treated tumor shape and size information and the tongue positioning structure information, establishing a mapping relationship between the treated tumor position information and the treated tumor shape and size information in the treated case data and the tongue positioning structure information, obtaining the tongue positioning structure information template, and establishing a preset tongue positioning structure model based on the tongue positioning structure information template.

2. The method for manufacturing an oral bracket for radiotherapy based on 3D printing according to claim 1, characterized in that: The specific method of generating tongue positioning structure information is as follows: inputting the tumor position information and the tumor shape and size information into a preset tongue positioning structure model; the preset tongue positioning structure model matches the corresponding treated tumor position information and the treated tumor shape and size information in the tongue positioning structure information template according to the tumor position information and the tumor shape and size information; obtaining the corresponding tongue positioning structure information according to the treated tumor position information and the treated tumor shape and size information; and outputting the tongue positioning structure information.

3. The method for manufacturing a radiotherapy oral bracket based on 3D printing according to claim 1, characterized in that: Before generating the personalized oral bracket three-dimensional model, intervention processing is also included, in which the oral support structure information, the bracket fixing structure information, the tongue positioning structure information and the air permeability channel information are intervened according to the intervention instruction sent by the doctor terminal.

4. The method for manufacturing a radiotherapy oral bracket based on 3D printing according to claim 3, characterized in that: The intervention processing is specifically: confirming the oral support structure information, the bracket fixing structure information, the tongue positioning structure information and the air channel information according to the confirmation instruction sent by the doctor terminal, or adjusting the oral support structure information, the bracket fixing structure information, the tongue positioning structure information and the air channel information according to the adjustment instruction sent by the doctor terminal.

5. The method for manufacturing a radiotherapy oral bracket based on 3D printing according to claim 1, characterized in that: The preset ventilation channel rule is that the size of the ventilation channel does not exceed the thickness of the oral support structure.

6. The method for manufacturing a radiotherapy oral bracket based on 3D printing according to claim 1, characterized in that: The identification information includes but is not limited to the patient's name and medical record number.

7. The method for manufacturing a radiotherapy oral bracket based on 3D printing according to claim 1, characterized in that: Before obtaining the medical condition information, the process includes generating the medical condition information, obtaining patient imaging information of the patient to be treated from a scanning device, extracting the patient's oral contour information, the patient's upper jaw contour information, and the patient's tooth contour information from the patient imaging information, sending the patient imaging information to a doctor's terminal for display, identifying the tumor location and tumor range in the patient imaging information according to a tumor delineation instruction sent by the doctor's terminal, and extracting the tumor location information and tumor shape and size information from the patient imaging information according to the identified tumor location and tumor range.

8. An electronic device, characterized in that include: processor; Memory; And a program, wherein the program is stored in the memory and is configured to be executed by a processor, and the program includes a method for executing the 3D printing-based radiotherapy oral bracket manufacturing method according to any one of claims 1 to 7.

9. A computer-readable storage medium having a computer program stored thereon, characterized in that: The computer program is executed by the processor to implement the method for manufacturing a radiotherapy oral bracket based on 3D printing as described in any one of claims 1 to 7.

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