CN110641023A - 3D printing-based compensator realization method and device - Google Patents
3D printing-based compensator realization method and device Download PDFInfo
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- CN110641023A CN110641023A CN201910801483.8A CN201910801483A CN110641023A CN 110641023 A CN110641023 A CN 110641023A CN 201910801483 A CN201910801483 A CN 201910801483A CN 110641023 A CN110641023 A CN 110641023A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/386—Data acquisition or data processing for additive manufacturing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y50/00—Data acquisition or data processing for additive manufacturing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/753—Medical equipment; Accessories therefor
Abstract
The invention discloses a method for realizing a compensator based on 3D printing, which comprises the following steps: A) loading CT.MR data and importing the CT.MR data into a 3D accurate radiotherapy platform; B) three-dimensional reconstruction is carried out on the compensator by adopting a three-dimensional image processing technology, a dose calculation algorithm and a linear accelerator technology to obtain a three-dimensional model; C) processing the three-dimensional model to generate a compensator model with symmetrical reflection; D) and exporting the generated compensator model, and printing by using a 3D printer. The invention also relates to a device for realizing the method for realizing the compensator based on the 3D printing. The implementation method and the device of the compensator based on 3D printing have the following beneficial effects: the degree of dependence of radiotherapy on doctor experience can be reduced, the operation cost of a hospital is reduced, the stability in the radiotherapy process and the comfort of a patient are improved, and meanwhile, partial cost of the patient during radiotherapy is reduced.
Description
Technical Field
The invention relates to the field of 3D printing of medical auxiliary equipment, in particular to a method and a device for realizing a compensator based on 3D printing.
Background
After years of information-based construction and replacement of high-end medical instruments and other equipment in medical institutions, a plurality of problems of queuing, crowding, high working strength of doctors, doctor-patient relationship and the like of patients in the prior art are solved. While making great progress, there are also deficiencies in subdividing the field. For example, precise radiotherapy, the role and position of radiotherapy in tumor treatment are increasingly highlighted, and the radiotherapy is one of the main means for treating malignant tumors, but the radiotherapy faces the problem of difficult positioning. Because the position of the tumor is difficult to fix due to the influence of factors such as the position of the tumor, respiration and the like, the common radiotherapy is positioned by a simulation positioning machine, and the treatment range is marked on the skin of a patient by using skin ink. While killing tumor cells, the traditional or permanent damage of surrounding normal tissues or organs is brought, and some important organs are even damaged.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a method and an apparatus for implementing a 3D printing-based compensator, which can reduce the dependence of radiotherapy on doctor experience, reduce the operation cost of a hospital, improve the stability and comfort of a patient during radiotherapy, and reduce part of the cost of the patient during radiotherapy.
The technical scheme adopted by the invention for solving the technical problems is as follows: an implementation method for constructing a compensator based on 3D printing comprises the following steps:
A) loading CT.MR data and importing the CT.MR data into a 3D accurate radiotherapy platform;
B) three-dimensional reconstruction is carried out on the compensator by adopting a three-dimensional image processing technology, a dose calculation algorithm and a linear accelerator technology to obtain a three-dimensional model;
C) processing the three-dimensional model to generate a compensator model with symmetrical reflection;
D) and exporting the generated compensator model, and printing by using a 3D printer.
In the implementation method of the compensator based on 3D printing, the three-dimensional model is processed by adopting a fishing net algorithm in the step C).
In the implementation method of the compensator based on 3D printing, the processing of the three-dimensional model comprises contour design, selection of a direction button, adjustment and position setting.
In the implementation method of the compensator based on 3D printing, the fishing net algorithm adopts a Cut mode aiming at different conditions of patients, and the Cut mode is Refine, Split, Remove index or Remove output.
The invention also relates to a device for realizing the method for realizing the compensator based on the 3D printing, which comprises the following steps:
a data loading and importing unit: the CT.MR data loading system is used for loading CT.MR data and importing the CT.MR data into a 3D precise radiotherapy platform;
a three-dimensional reconstruction unit: the system is used for carrying out three-dimensional reconstruction on the compensator by adopting a three-dimensional image processing technology, a dose calculation algorithm and a linear accelerator technology to obtain a three-dimensional model;
a model processing unit: the compensator model is used for processing the three-dimensional model and generating reflection symmetry;
a model derivation printing unit: and the compensator model is used for exporting the generated compensator model and printing by using a 3D printer.
In the device of the present invention, the model processing unit processes the three-dimensional model by using a fishing net algorithm.
In the device of the invention, the processing of the three-dimensional model comprises contour design, selection of direction buttons, adjustment and setting of positions.
In the device, the fishing net algorithm adopts a Cut mode aiming at different conditions of patients, and the Cut mode is Refine, Split, Remove index or Remove Outside.
The implementation method and the device of the compensator based on 3D printing have the following beneficial effects: loading CT.MR data and importing the CT.MR data into a 3D accurate radiotherapy platform; three-dimensional reconstruction is carried out on the compensator by adopting a three-dimensional image processing technology, a dose calculation algorithm and a linear accelerator technology to obtain a three-dimensional model; processing the three-dimensional model to generate a compensator model with symmetrical reflection; the generated compensator model is exported, the 3D printer is used for printing, the compensator model is printed according to actual data of a patient, the compensator model can perfectly fit with the affected part of the patient, and the compensator model has an accurate body position fixing and three-dimensional positioning technology, so that the positioning precision, the positioning precision and the irradiation precision of radiotherapy can be improved, the dependence degree of the radiotherapy on doctor experience can be reduced, the operation cost of a hospital is reduced, the stability in the radiotherapy process and the comfort degree of the patient are improved, and meanwhile, partial cost of the patient during radiotherapy is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a flow chart of a method in one embodiment of a method and apparatus for implementing a 3D printing-based compensator according to the present invention;
FIG. 2 is a schematic diagram of a three-dimensional model obtained by performing three-dimensional reconstruction on a compensator in the embodiment;
FIG. 3 is a schematic diagram of a compensator model for generating reflection symmetry in the embodiment;
FIG. 4 is a diagram showing a comparison of the application of the compensator model in the embodiment;
fig. 5 is a schematic structural diagram of the device in the embodiment.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the embodiment of the method and the device for implementing the compensator based on 3D printing, a flowchart of the method for implementing the compensator based on 3D printing is shown in fig. 1. In fig. 1, the implementation method of the compensator based on 3D printing includes the following steps:
step S01, loading ct.mr data, and importing it into a 3D precision radiotherapy platform: in the step, CT.MR data of a patient are loaded and are input into a 3D precise radiotherapy platform. The 3D precise radiotherapy platform is a self-developed brand-new software platform aiming at tumor radiotherapy, has a unique framework, and can realize precise radiotherapy. This accurate radiotherapy platform of 3D utilizes the fishing net algorithm to handle the model, derives the model, carries out 3D to the model and prints. The dose delivered by the patient can be verified to achieve automatic optimization of the treatment plan.
This accurate radiotherapy platform of 3D builds front end development frame through angularJS, follow the MVC mode in the architectural design, advocate the show, the loose coupling of data and logic processing subassembly, realized natural extension to traditional HTML through the instruction technique, two-way automatic synchronization of data model with the show view has been realized through compiling the technique, thereby loaded down with trivial details complicated DOM operation in the front end development has been eliminated, contain the template, data two-way binding, the route, the modularization, service, the filter, rely on all functions such as injection into, self-defined Directive, it is still nimble than jQuery plug-in components. The background is compiled by adopting mature Java technology. The database used mysql.
The precise radiotherapy is a brand-new tumor radiotherapy technology which is precisely positioned, designed, calculated and executed on a therapy apparatus on the basis of conventional radiotherapy and integrates a three-dimensional image processing technology, a high-precision dose calculation algorithm, a top linear accelerator series technology, an advanced tumor diagnosis technology and a radiobiology frontier research result. Throughout the course of precision radiotherapy, each step emphasizes precision, which is a qualitative leap over conventional radiotherapy.
Step S02, three-dimensional reconstruction is carried out on the compensator by adopting a three-dimensional image processing technology, a dose calculation algorithm and a linear accelerator technology to obtain a three-dimensional model: in the step, a three-dimensional model is obtained after the compensator is subjected to three-dimensional reconstruction by adopting a three-dimensional image processing technology, a high-precision dose calculation algorithm and a sharp linear accelerator technology. Fig. 2 is a schematic diagram of a three-dimensional model obtained by performing three-dimensional reconstruction on a compensator in this embodiment.
Step S03, processing the three-dimensional model to generate a reflection-symmetric compensator model: in this step, the three-dimensional model is processed to generate a compensator model with symmetric reflection. Fig. 3 is a schematic diagram of a compensator model for generating reflection symmetry in the present embodiment.
Specifically, a fishing net algorithm is adopted to process the three-dimensional model, and the processing of the three-dimensional model comprises contour design, direction button selection, adjustment and position setting. The fishing net algorithm calculates the three dimensions formed by 16-20 ten thousand triangle surfaces, and the logic deduction algorithm of three points and one triangle surface comprises combination, correlation intersection and subtraction, so that a new shape is generated by combining simple basic graphs, and a 3D graph is finally formed.
The fishing net algorithm adopts a Cut mode according to different situations of patients, wherein the Cut mode is Refine, Split, Remove index or Remove output. Refine: in the method, the cutting fishing net operation can insert a contour line of the intersection area of the B object and the A object on the grid of the A object. By adopting the operation method, the selection area with any shape can be created on the surface of the object without the limitation of the grid. And (3) Split: in this way, the intersecting portion of the operation can be separated into one element sub-object of the target object, and further editing of the sub-object can continue. Remove Inde: the intersecting parts of the operation objects are deleted, and the target object is created as an empty object. Remove Outside: the intersection part of the operation object is created as a hollow object, and other parts are deleted.
Step S04 derives the generated compensator model, and prints it with a 3D printer: in this step, derive the compensator model that generates, utilize the 3D printer to print, this 3D printer adopts the special printer of 3D medical treatment. FIG. 4 is a diagram illustrating a comparison of the compensator model applied in this embodiment. The pre-fabricated compensator model can be integrated into the project model without manual design modeling. The compensator model is printed in 3D, three-dimensional reconstruction is carried out according to plane data, a three-dimensional model is printed out in advance at a position where a patient needs to be operated before an operation, a doctor can see the structure of the operated position directly before the operation, and particularly, the operation on some complex positions can be avoided, so that the operation risk can be avoided, and the success rate of the operation is greatly improved. The patient data is printed out according to the actual data of the patient, the patient is completely attached to the patient, and the traditional product cannot achieve the compensation effect due to the fact that the traditional product cannot be attached to the special patient part. The compensator model is simple to manufacture, easy to use clinically and short in manufacturing time.
In the implementation method of the compensator based on 3D printing, a 3D precise radiotherapy platform is introduced into CT 3D scanning implantation according to a clinical patient, a three-dimensional model is derived by adopting a three-dimensional image processing technology, a high-precision dose calculation algorithm and a sharp linear accelerator series technology, then the model is subjected to contour design, direction button selection, adjustment and position setting by using a fishing net algorithm, a required model is finally generated, the processed model is derived and printed by using a 3D printer. The 3D printing compensator can perfectly fit with the affected part of a patient, has accurate body position fixing and three-dimensional positioning technology, and can improve the positioning precision, the positioning precision and the irradiation precision of radiotherapy. The implementation method of the compensator based on 3D printing can reduce the dependence degree of radiotherapy on doctor experience, reduce the operation cost of a hospital, improve the stability in the radiotherapy process and the comfort of a patient, and reduce part of the cost of the patient during radiotherapy.
The invention also relates to a device for realizing the method for realizing the compensator based on the 3D printing, and the structural schematic diagram of the device is shown in FIG. 5. In fig. 5, the apparatus includes a data load import unit 1, a three-dimensional reconstruction unit 2, a model processing unit 3, and a model export printing unit 4; the data loading and importing unit 1 is used for loading CT.MR data and importing the CT.MR data into a 3D precise radiotherapy platform; the 3D precise radiotherapy platform is a self-developed brand-new software platform aiming at tumor radiotherapy, has a unique framework, and can realize precise radiotherapy.
The three-dimensional reconstruction unit 2 is used for performing three-dimensional reconstruction on the compensator by adopting a three-dimensional image processing technology, a dose calculation algorithm and a linear accelerator technology to obtain a three-dimensional model.
The model processing unit 3 is used for processing the three-dimensional model to generate a compensator model with reflection symmetry. Specifically, a fishing net algorithm is adopted to process the three-dimensional model, and the processing of the three-dimensional model comprises contour design, direction button selection, adjustment and position setting. The fishing net algorithm calculates the three dimensions formed by 16-20 ten thousand triangle surfaces, and the logic deduction algorithm of three points and one triangle surface comprises combination, correlation intersection and subtraction, so that a new shape is generated by combining simple basic graphs, and a 3D graph is finally formed.
The fishing net algorithm adopts a Cut mode according to different situations of patients, wherein the Cut mode is Refine, Split, Remove index or Remove output. Refine: in the method, the cutting fishing net operation can insert a contour line of the intersection area of the B object and the A object on the grid of the A object. By adopting the operation method, the selection area with any shape can be created on the surface of the object without the limitation of the grid. And (3) Split: in this way, the intersecting portion of the operation can be separated into one element sub-object of the target object, and further editing of the sub-object can continue. Remove Inde: the intersecting parts of the operation objects are deleted, and the target object is created as an empty object. Remove Outside: the intersection part of the operation object is created as a hollow object, and other parts are deleted.
The model derivation printing unit 4 is configured to derive the generated compensator model, and prints the compensator model by using a 3D printer, which is a 3D medical printer. The pre-fabricated compensator model can be integrated into the project model without manual design modeling. The compensator model is printed in 3D, three-dimensional reconstruction is carried out according to plane data, a three-dimensional model is printed out in advance at a position where a patient needs to be operated before an operation, a doctor can see the structure of the operated position directly before the operation, and particularly, the operation on some complex positions can be avoided, so that the operation risk can be avoided, and the success rate of the operation is greatly improved. The patient data is printed out according to the actual data of the patient, the patient is completely attached to the patient, and the traditional product cannot achieve the compensation effect due to the fact that the traditional product cannot be attached to the special patient part. The compensator model is simple to manufacture, easy to use clinically and short in manufacturing time.
In the device, a 3D accurate radiotherapy platform is used for leading in CT 3D scanning implantation according to a clinical patient, a three-dimensional model is led out by adopting a three-dimensional image processing technology, a high-precision dose calculation algorithm and a sharp linear accelerator series technology, then the model is subjected to contour design, direction button selection, adjustment and position setting by using a fishing net algorithm, a required model is finally generated, a processed compensator model is led out, and a 3D printer is used for printing. The 3D printing compensator can perfectly fit with the affected part of a patient, has accurate body position fixing and three-dimensional positioning technology, and can improve the positioning precision, the positioning precision and the irradiation precision of radiotherapy. The device of the invention can reduce the dependence degree of radiotherapy on doctor experience, reduce the operation cost of hospitals, improve the stability in the radiotherapy process and the comfort of patients, and simultaneously reduce part of the cost of the patients during radiotherapy.
In a word, the invention applies the 3D printing technology to the medical auxiliary system of the precise radiotherapy of the tumor. Can provide corresponding medical auxiliary equipment, namely a compensator according to different actual conditions of each patient so as to reduce the dependence degree of radiotherapy on doctor experience, reduce the operation cost of a hospital, improve the stability in the radiotherapy process and the comfort of the patient and reduce partial cost of the patient during radiotherapy.
The medical industry has been the mainstream application field of 3D printing technology. The 3D printing technology has the characteristics of high flexibility, unlimited quantity, cost saving and the like, and can well meet the requirements of individual and precise medical treatment in the medical field. The 3D printing technology enables medical treatment to realize the crossing from virtual simulation to real simulation, and is an important means for realizing accurate radiotherapy of tumors. In the future, a biological 3D printer is matched with materials with biocompatibility and degradability to construct a biological scaffold, and a cell 3D printer or a biological 3D printer is used for selecting cells and biological materials to print out organisms. With continuous innovation of the 3D technology, the problem of difficulty in accurate tumor positioning can be solved by applying the 3D technology.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. A method for realizing a compensator based on 3D printing is characterized by comprising the following steps:
A) loading CT.MR data and importing the CT.MR data into a 3D accurate radiotherapy platform;
B) three-dimensional reconstruction is carried out on the compensator by adopting a three-dimensional image processing technology, a dose calculation algorithm and a linear accelerator technology to obtain a three-dimensional model;
C) processing the three-dimensional model to generate a compensator model with symmetrical reflection;
D) and exporting the generated compensator model, and printing by using a 3D printer.
2. The method of implementing a 3D printing-based compensator according to claim 1, wherein in step C), the three-dimensional model is processed using a fishing net algorithm.
3. The method of claim 2, wherein the processing of the three-dimensional model includes contouring, selecting directional buttons, adjusting and setting positions.
4. The method for implementing the 3D printing-based compensator according to claim 2 or 3, wherein the fishing net algorithm adopts a Cut mode according to different situations of patients, and the Cut mode is Refine, Split, Remove index or Remove output.
5. An apparatus for implementing the method of implementing the 3D printing-based compensator according to claim 1, comprising:
a data loading and importing unit: the CT.MR data loading system is used for loading CT.MR data and importing the CT.MR data into a 3D precise radiotherapy platform;
a three-dimensional reconstruction unit: the system is used for carrying out three-dimensional reconstruction on the compensator by adopting a three-dimensional image processing technology, a dose calculation algorithm and a linear accelerator technology to obtain a three-dimensional model;
a model processing unit: the compensator model is used for processing the three-dimensional model and generating reflection symmetry;
a model derivation printing unit: and the compensator model is used for exporting the generated compensator model and printing by using a 3D printer.
6. The apparatus according to claim 5, wherein in the model processing unit, the three-dimensional model is processed using a fishing net algorithm.
7. The apparatus of claim 6, wherein the processing of the three-dimensional model includes contouring, selecting directional buttons, adjusting and setting positions.
8. The device according to claim 6 or 7, wherein the fishing net algorithm adopts a Cut mode according to different situations of patients, and the Cut mode is Refine, Split, Remove index or Remove output.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1368386A (en) * | 2002-01-23 | 2002-09-11 | 西安交通大学 | Process based on fast shaping for preparing bio-active artificial bone |
| US20060239481A1 (en) * | 2005-03-24 | 2006-10-26 | Raimund Martin | Method for producing a hearing device component and a mold therefor, and component and mold produced by the method |
| CN106323194A (en) * | 2015-06-29 | 2017-01-11 | 株式会社三丰 | Object-forming machine, cross-section measurement apparatus, and cross-section measurement method |
| CN106457748A (en) * | 2014-01-24 | 2017-02-22 | 墨尔本皇家理工大学 | Structured porous metamaterial |
| CN108635682A (en) * | 2018-04-08 | 2018-10-12 | 广东普能生物科技有限公司 | Physical compensation device generation method, equipment, medium and system based on 3D printing |
| CN108788143A (en) * | 2017-04-28 | 2018-11-13 | 戴弗根特技术有限公司 | Increasing material manufacturing control system |
-
2019
- 2019-08-28 CN CN201910801483.8A patent/CN110641023A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1368386A (en) * | 2002-01-23 | 2002-09-11 | 西安交通大学 | Process based on fast shaping for preparing bio-active artificial bone |
| US20060239481A1 (en) * | 2005-03-24 | 2006-10-26 | Raimund Martin | Method for producing a hearing device component and a mold therefor, and component and mold produced by the method |
| CN106457748A (en) * | 2014-01-24 | 2017-02-22 | 墨尔本皇家理工大学 | Structured porous metamaterial |
| CN106323194A (en) * | 2015-06-29 | 2017-01-11 | 株式会社三丰 | Object-forming machine, cross-section measurement apparatus, and cross-section measurement method |
| CN108788143A (en) * | 2017-04-28 | 2018-11-13 | 戴弗根特技术有限公司 | Increasing material manufacturing control system |
| CN108635682A (en) * | 2018-04-08 | 2018-10-12 | 广东普能生物科技有限公司 | Physical compensation device generation method, equipment, medium and system based on 3D printing |
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