阅读说明：本技术 一种基于三维打印技术制作骨科假体的方法 (Method for manufacturing orthopaedic prosthesis based on three-dimensional printing technology ) 是由 张金成 周航 张乐曙 陈向阳 冯硕 陈旺 胡正浩 于 2021-06-30 设计创作，主要内容包括：本发明公开了一种基于三维打印技术制作骨科假体的方法,属于医疗假体制作领域,该制作方法具体步骤如下：(1)采集患者基本信息并构建其三维人物模型；(2)对患者受伤部位进行数据收集并对其进行判断分析；(3)依据收集到的数据构建假体三维模型并进行仿真测试；(4)依据测试数据开始对假体模型进行优化并生成打印图纸；(5)将打印图纸导入3D打印设备并通过打印设备进行打印；本发明能够对假体类型进行判断,降低使用局限性,可以满足现有医疗机构的业务要求,提高医疗人员处理伤患的效率,降低患者与假体出现排斥现象的概率,提高患者恢复速率,保护患者健康。(The invention discloses a method for manufacturing an orthopedic prosthesis based on a three-dimensional printing technology, which belongs to the field of manufacturing of medical prostheses and comprises the following specific steps: (1) acquiring basic information of a patient and constructing a three-dimensional human model of the patient; (2) collecting data of the injured part of the patient and judging and analyzing the data; (3) constructing a prosthesis three-dimensional model according to the collected data and carrying out simulation test; (4) starting to optimize the prosthesis model according to the test data and generating a printing drawing; (5) importing a printing drawing into 3D printing equipment and printing through the printing equipment; the invention can judge the prosthesis type, reduce the use limitation, meet the service requirement of the existing medical institution, improve the efficiency of medical personnel in treating the injury, reduce the probability of rejection between the patient and the prosthesis, improve the recovery rate of the patient and protect the health of the patient.)

1. A method for manufacturing an orthopaedic prosthesis based on a three-dimensional printing technology is characterized by comprising the following specific steps:

(1) acquiring basic information of a patient and constructing a three-dimensional character model of the patient: the staff inputs the basic information of the patient into the computer, the computer receives the patient information and starts to construct a simulation detector, the simulation detector performs data analysis on the patient information and constructs a three-dimensional character model according to the analysis data;

(2) data collection and judgment analysis are carried out on the injured part of the patient: the method comprises the following steps that a worker uploads data related to the injured part of a patient to a simulation detector, the simulation detector receives the data, judges and analyzes the data according to the received data, and starts to perform data retrieval on stored data in an external server;

(3) constructing a prosthesis three-dimensional model according to the collected data and carrying out simulation test: calling the data related to the injured part and sending the data to a simulation detector, starting to construct a prosthesis model by the simulation detector according to the received information, splicing the prosthesis model and the character model, starting to perform simulation test after splicing is completed, and collecting test data;

(4) and (3) starting to optimize the prosthesis model according to the test data and generate a printing drawing: receiving test data, starting to construct a model optimizer, introducing the prosthesis model data into the model optimizer, starting to perform data optimization processing on the prosthesis model by the model optimizer, introducing the optimized prosthesis model data into a simulation detector, performing simulation test again until an optimal prosthesis model is generated, stopping the test, generating a printing drawing at the same time, and performing data labeling processing on each part on the printing drawing;

(5) leading-in 3D printing apparatus of printing the drawing and printing through printing apparatus: and sending the generated printing drawing to a3D printing device, receiving the printing drawing by the 3D printing device, starting to print the prosthesis model according to the printing drawing, finishing printing, and sending the printing drawing to an external server for data storage.

2. The method for manufacturing the orthopaedic prosthesis based on the three-dimensional printing technology according to claim 1, wherein the data analysis in the step (1) comprises the following specific steps:

the method comprises the following steps: the simulation detector receives the basic information of the patient, classifies the basic information according to the height, the weight and the length of the limbs, and marks the basic information as A, B, C;

step two: the construction of the three-dimensional character model of the patient is started in accordance with A, B and C, and model data optimization is performed on the constructed character model.

3. The method for manufacturing an orthopaedic prosthesis based on the three-dimensional printing technology according to claim 1, wherein the judging and analyzing in the step (2) specifically comprises the following steps:

the first step is as follows: the simulation detector receives the relevant data of the injured part of the patient and starts to judge whether the type of the prosthesis to be manufactured is an in-vitro prosthesis or an implantable prosthesis;

the second step is that: if an in vitro prosthesis, it is labeled a, if an implantable prosthesis, it is labeled b.

4. The method for manufacturing an orthopaedic prosthesis based on the three-dimensional printing technology according to claim 1, wherein the data retrieval in the step (2) comprises the following specific steps:

s1: after the judgment is finished, the simulation detector starts to be in communication connection with the external server and starts to send a retrieval instruction to the external server;

s2: the external server receives the retrieval instruction, analyzes the data and accurately retrieves the data according to the prosthesis type and the injured part data contained in the retrieval instruction;

s3: if similar prosthesis data exists in the external server, marking the data as T and sending the data to the simulation detector;

s4: if no similar prosthesis data exists in the external server, no feedback needs to be sent.

5. The method for manufacturing the orthopaedic prosthesis based on the three-dimensional printing technology according to claim 4, wherein the simulation test in the step (3) comprises the following specific steps:

SS 1: the simulation detector receives the T or builds a prosthesis model according to the injured part information uploaded by the staff;

SS 2: after the construction of the prosthesis model is completed, the prosthesis model and the character model are spliced, and simultaneously, the spliced model is tested;

SS 3: during the test, the model detector began recording prosthesis coordination and rejection, which were separately labeled D, E and entered into the form.

6. The method for manufacturing the orthopaedic prosthesis based on the three-dimensional printing technology according to claim 5, wherein the data optimization in the step (4) comprises the following specific steps:

p1: constructing a model optimizer according to D, E, and analyzing and judging D, E two groups of data;

p2: if the abnormal data exists in D, E, analyzing the reason of the abnormal data, optimizing the abnormal data, generating updated data and feeding the optimized data back to the model detector;

p3: the model detector receives the update data and begins updating the prosthesis model in accordance with the update data.

7. The method for manufacturing an orthopaedic prosthesis based on a three-dimensional printing technique according to claim 1, wherein the 3D printing device in step (5) is one of an FDM3D printer, SLA3D printer, 3DP3D printer, SLS3D printer, LOM3D printer or PCM3D printer.

Technical Field

The invention relates to the field of medical prosthesis manufacturing, in particular to a method for manufacturing an orthopedic prosthesis based on a three-dimensional printing technology.

Background

Along with the development of biomedical materials and the rapid development of medicine, the demand of joint replacement is more and more extensive, and through the development of nearly one hundred years, the joint replacement is widely developed at present, so that joint pain can be effectively eradicated, the joint function can be recovered, the life quality of a patient can be improved, and the joint replacement has a very good effect on old patients, and is considered to be one of the most successful surgical operations, wherein an artificial joint prosthesis becomes one of main medical instruments for joint replacement, the artificial joint prosthesis material plays a decisive role in the success rate of joint replacement and the cure rate of the patient, but the abrasion of a joint load bearing interface generates abrasion particles and causes a local foreign body reaction, so that the bone around the prosthesis is dissolved, and the occurrence of aseptic loosening becomes the most main reason for influencing the long-term effect of joint replacement; therefore, it becomes important to invent a method for manufacturing an orthopaedic prosthesis based on a three-dimensional printing technology;

through retrieval, Chinese patent No. CN104523354A discloses a method for manufacturing an orthopedic prosthesis based on a three-dimensional printing technology, which can provide effective joint type activities and improve the life quality of an affected limb, but can only manufacture an extracorporeal prosthesis, cannot manufacture an implantable prosthesis, has large use limitation, cannot meet the service requirements of the existing medical institution, and reduces the efficiency of medical personnel for treating injuries; in addition, the prosthesis manufactured by the existing method for manufacturing the orthopaedic prosthesis based on the three-dimensional printing technology may have rejection phenomena, which affect the recovery of the patient and harm the health of the patient; therefore, a method for manufacturing the orthopaedic prosthesis based on the three-dimensional printing technology is provided.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides a method for manufacturing an orthopaedic prosthesis based on a three-dimensional printing technology.

In order to achieve the purpose, the invention adopts the following technical scheme:

a method for manufacturing an orthopaedic prosthesis based on a three-dimensional printing technology comprises the following specific steps:

(1) acquiring basic information of a patient and constructing a three-dimensional character model of the patient: the staff inputs the basic information of the patient into the computer, the computer receives the patient information and starts to construct a simulation detector, the simulation detector performs data analysis on the patient information and constructs a three-dimensional character model according to the analysis data;

(2) data collection and judgment analysis are carried out on the injured part of the patient: the method comprises the following steps that a worker uploads data related to the injured part of a patient to a simulation detector, the simulation detector receives the data, judges and analyzes the data according to the received data, and starts to perform data retrieval on stored data in an external server;

(3) constructing a prosthesis three-dimensional model according to the collected data and carrying out simulation test: calling the data related to the injured part and sending the data to a simulation detector, starting to construct a prosthesis model by the simulation detector according to the received information, splicing the prosthesis model and the character model, starting to perform simulation test after splicing is completed, and collecting test data;

(4) and (3) starting to optimize the prosthesis model according to the test data and generate a printing drawing: receiving test data, starting to construct a model optimizer, introducing the prosthesis model data into the model optimizer, starting to perform data optimization processing on the prosthesis model by the model optimizer, introducing the optimized prosthesis model data into a simulation detector, performing simulation test again until an optimal prosthesis model is generated, stopping the test, generating a printing drawing at the same time, and performing data labeling processing on each part on the printing drawing;

(5) leading-in 3D printing apparatus of printing the drawing and printing through printing apparatus: and sending the generated printing drawing to a3D printing device, receiving the printing drawing by the 3D printing device, starting to print the prosthesis model according to the printing drawing, finishing printing, and sending the printing drawing to an external server for data storage.

Further, the data analysis in the step (1) comprises the following specific steps:

the method comprises the following steps: the simulation detector receives the basic information of the patient, classifies the basic information according to the height, the weight and the length of the limbs, and marks the basic information as A, B, C;

step two: the construction of the three-dimensional character model of the patient is started in accordance with A, B and C, and model data optimization is performed on the constructed character model.

Further, the specific steps of the judgment and analysis in the step (2) are as follows:

the first step is as follows: the simulation detector receives the relevant data of the injured part of the patient and starts to judge whether the type of the prosthesis to be manufactured is an in-vitro prosthesis or an implantable prosthesis;

the second step is that: if an in vitro prosthesis, it is labeled a, if an implantable prosthesis, it is labeled b.

Further, the data retrieval in the step (2) specifically comprises the following steps:

s1: after the judgment is finished, the simulation detector starts to be in communication connection with the external server and starts to send a retrieval instruction to the external server;

s2: the external server receives the retrieval instruction, analyzes the data and accurately retrieves the data according to the prosthesis type and the injured part data contained in the retrieval instruction;

s3: if similar prosthesis data exists in the external server, marking the data as T and sending the data to the simulation detector;

s4: if no similar prosthesis data exists in the external server, no feedback needs to be sent.

Further, the simulation test in the step (3) specifically comprises the following steps:

SS 1: the simulation detector receives the T or builds a prosthesis model according to the injured part information uploaded by the staff;

SS 2: after the construction of the prosthesis model is completed, the prosthesis model and the character model are spliced, and simultaneously, the spliced model is tested;

SS 3: during the test, the model detector began recording prosthesis coordination and rejection, which were separately labeled D, E and entered into the form.

Further, the data optimization in the step (4) specifically comprises the following steps:

p1: constructing a model optimizer according to D, E, and analyzing and judging D, E two groups of data;

p2: if the abnormal data exists in D, E, analyzing the reason of the abnormal data, optimizing the abnormal data, generating updated data and feeding the optimized data back to the model detector;

p3: the model detector receives the update data and begins updating the prosthesis model in accordance with the update data.

Further, the 3D printing device in step (5) is specifically one of an FDM3D printer, an SLA3D printer, a 3DP3D printer, an SLS3D printer, a LOM3D printer, or a PCM3D printer.

Compared with the prior art, the invention has the beneficial effects that:

1. the method for manufacturing the orthopedic prosthesis based on the three-dimensional printing technology constructs the simulation detector according to the basic information of the patient uploaded by the staff, starts to construct the character model, receives the relevant data of the injured part of the patient, judges whether the type of the artificial limb to be manufactured is an in-vitro prosthesis or an implantable prosthesis according to the relevant data, and starts to construct the relevant prosthesis model, so that the type of the prosthesis can be judged, the use limitation is reduced, the service requirement of the existing medical institution can be met, and the efficiency of the medical staff for treating the injury is improved;

2. the method for manufacturing the orthopedic prosthesis based on the three-dimensional printing technology is used for constructing a corresponding prosthesis model, starting model splicing of a character model and the prosthesis model, starting simulation test on the character model and the prosthesis model, simultaneously recording prosthesis coordination and rejection of the character model in real time, starting construction of a model optimizer, optimizing data of the prosthesis model according to the prosthesis coordination and rejection data, completing optimization, then performing simulation test until an optimal prosthesis model is generated, stopping the test, reducing the probability of rejection between a patient and the prosthesis, improving the recovery rate of the patient and protecting the health of the patient.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

Fig. 1 is a flow chart of a method for manufacturing an orthopaedic prosthesis based on a three-dimensional printing technology according to the present invention.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1, a method for manufacturing an orthopaedic prosthesis based on a three-dimensional printing technology comprises the following specific steps:

(1) acquiring basic information of a patient and constructing a three-dimensional character model of the patient: the staff inputs the basic information of the patient into the computer, the computer receives the information of the patient and starts to build a simulation detector, the simulation detector carries out data analysis on the information of the patient and simultaneously builds a three-dimensional character model according to the analysis data.

The embodiment discloses a data analysis method, which specifically adopts the following working principle: the simulation detector receives the basic information of the patient, classifies the basic information according to the height, the weight and the length of the limbs, is respectively marked as A, B, C, starts to construct a three-dimensional character model of the patient according to A, B and C, and optimizes model data of the constructed character model.

(2) Data collection and judgment analysis are carried out on the injured part of the patient: the method comprises the following steps that a worker uploads data related to the injured part of a patient to a simulation detector, the simulation detector receives the data, judges and analyzes the data according to the received data, and starts to perform data retrieval on stored data in an external server;

specifically, the simulation detector receives the relevant data of the injured part of the patient, judges whether the type of the artificial limb to be manufactured is an in-vitro prosthesis or an implantable prosthesis according to the relevant data, and starts to construct a relevant prosthesis model.

The embodiment discloses a data retrieval method, which specifically adopts the following working principle: and after judgment is finished, the simulation detector starts to be in communication connection with an external server and starts to send a retrieval instruction to the external server, the external server receives the retrieval instruction and analyzes the data, accurate retrieval is carried out according to the prosthesis type and injured part data contained in the retrieval instruction, if similar prosthesis data exist in the external server, the external server is marked as T and sent to the simulation detector, and if the similar prosthesis data do not exist in the external server, feedback does not need to be sent.

(3) Constructing a prosthesis three-dimensional model according to the collected data and carrying out simulation test: and calling the data related to the injured part and sending the data to a simulation detector, starting to construct a prosthesis model by the simulation detector according to the received information, splicing the prosthesis model and the character model, completing splicing, starting to perform simulation test, and collecting test data.

The specific working principle of the simulation test of the analog detector in the embodiment is as follows: the simulation detector receives the T or carries out prosthesis model construction according to injured part information uploaded by workers, the prosthesis model construction is completed, the prosthesis model and the character model are spliced, meanwhile, the spliced model is tested, in the testing process, the model detector starts to record prosthesis harmony and rejection, simultaneously marks the prosthesis harmony and rejection as D, E, and records the prosthesis harmony and rejection into a form;

specifically, a corresponding prosthesis model is constructed, the character model and the prosthesis model are spliced, simulation test is carried out on the character model and the prosthesis model, meanwhile, the prosthesis coordination and rejection of the character model and the prosthesis model are recorded in real time, a model optimizer is constructed, data optimization is carried out on the prosthesis model according to the prosthesis coordination and rejection data, the optimization is completed, simulation test is carried out again until the optimal prosthesis model is generated, the test is stopped, the probability of rejection between a patient and the prosthesis is reduced, the recovery rate of the patient is improved, and the health of the patient is protected.

(4) And (3) starting to optimize the prosthesis model according to the test data and generate a printing drawing: receiving test data, starting to construct a model optimizer, introducing the prosthesis model data into the model optimizer, starting to perform data optimization processing on the prosthesis model by the model optimizer, introducing the optimized prosthesis model data into a simulation detector, performing simulation test again until an optimal prosthesis model is generated, stopping the test, simultaneously generating a printing drawing, and performing data labeling processing on each part on the printing drawing.

The embodiment discloses a data optimization method, which specifically comprises the following working principles: and (3) constructing a model optimizer according to D, E, analyzing and judging the D, E two groups of data, if abnormal data exists in D, E, starting to analyze the reason of the abnormal data, optimizing the abnormal data, generating updated data, feeding the optimized data back to the model detector, and receiving the updated data by the model detector and starting to update the prosthesis model according to the updated data.

(5) Leading-in 3D printing apparatus of printing the drawing and printing through printing apparatus: and sending the generated printing drawing to a3D printing device, receiving the printing drawing by the 3D printing device, starting to print the prosthesis model according to the printing drawing, finishing printing, and sending the printing drawing to an external server for data storage.

Specifically, the 3D printing apparatus provided in this embodiment is specifically one of an FDM3D printer, an SLA3D printer, a 3DP3D printer, an SLS3D printer, an LOM3D printer, or a PCM3D printer.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.