阅读说明：本技术 一种导针定位导向板定制及模拟验证系统及其方法 (Guide pin positioning guide plate customization and simulation verification system and method ) 是由 王兴国 王浩然 邓皓 武凯玲 于 2021-08-20 设计创作，主要内容包括：本发明公开了一种导针定位导向板定制及模拟验证系统及其方法,包括数据接收输入模块、数据处理模块、三维重构模块、导向板模型匹配模块、导向板模型验证模块、数据输出模块、导向板制作系统和交互查询模块,交互查询模块分别与三维重构模块、导向板模型匹配模块、导向板模型验证模块连接；导向板模型验证模块包括导针插入验证模块和模拟验证模块。本发明对CT数据进行处理并重构出骨骼三维模型,然后依照骨骼三维数据在骨骼三维模型拟合匹配得到导向板模型,并且还能实现导针插入手术模拟验证、模拟活动验证等各类验证,能够在系统中进行手术模拟、纠错、演练、验证等操作,同时还能精准地打印制作出定制化、个性化的导向板,有助于手术实现。(The invention discloses a guide pin positioning guide plate customization and simulation verification system and a method thereof, and the system comprises a data receiving input module, a data processing module, a three-dimensional reconstruction module, a guide plate model matching module, a guide plate model verification module, a data output module, a guide plate manufacturing system and an interactive query module, wherein the interactive query module is respectively connected with the three-dimensional reconstruction module, the guide plate model matching module and the guide plate model verification module; the guide plate model verification module comprises a guide pin insertion verification module and a simulation verification module. The invention processes the CT data and reconstructs a skeleton three-dimensional model, then fits and matches the skeleton three-dimensional model according to the skeleton three-dimensional data to obtain a guide plate model, can also realize various verifications such as guide pin insertion operation simulation verification, simulation activity verification and the like, can perform operations such as operation simulation, error correction, drilling, verification and the like in a system, and can also accurately print and manufacture a customized and personalized guide plate, thereby being beneficial to the realization of operations.)

1. The utility model provides a guide pin location deflector customization and simulation verification system which characterized in that: the system comprises a data receiving input module, a data processing module, a three-dimensional reconstruction module, a guide plate model matching module, a guide plate model verification module, a data output module, a guide plate manufacturing system and an interactive query module, wherein the data receiving input module, the data processing module, the three-dimensional reconstruction module, the guide plate model matching module, the guide plate model verification module, the data output module and the guide plate manufacturing system are sequentially connected, and the interactive query module is respectively connected with the three-dimensional reconstruction module, the guide plate model matching module and the guide plate model verification module; the data receiving and inputting module is used for receiving and inputting DICOM-format CT data, the data processing module extracts and obtains skeleton three-dimensional data according to the CT data, the three-dimensional reconstruction module conducts three-dimensional model reconstruction according to the skeleton three-dimensional data and obtains a skeleton three-dimensional model, and the guide plate model matching module generates a matched guide plate model on the skeleton three-dimensional model according to the skeleton three-dimensional data; the guide plate model verification module comprises a guide pin insertion verification module and a simulation verification module, the guide pin insertion verification module performs guide pin insertion operation simulation verification according to the bone three-dimensional model and the guide plate model, and the simulation verification module is used for verifying bone simulation activities after the guide pin insertion simulation operation; the interactive query module is used for fixed-point query and performing viewing operation including amplification, reduction and rotation; the data output module is used for outputting data, and the output data comprises verified guide plate model data; and the guide plate manufacturing system is used for manufacturing the guide plate entity according to the guide plate model data.

2. A guide pin positioning guide plate customization and simulation verification system according to claim 1, wherein: the guide plate manufacturing system comprises a shell (4), a data memory (5) and a 3D printing manufacturing device (6), wherein the data memory (5) and the 3D printing manufacturing device (6) are arranged inside the shell (4), the data memory (5) is respectively connected with the 3D printing manufacturing device (6) and a data output module, and the 3D printing manufacturing device (6) is provided with a printing manufacturing cavity (61); casing (4) top is the slant roof, be equipped with the switch button who is connected with 3D printing making device (6) on the slant roof of casing (4), the articulated piece door (8) of getting that is equipped with of preceding curb plate of casing (4), it is corresponding with printing preparation chamber (61) to get a door (8), it is equipped with constant temperature heating panel on the chamber wall of preparation chamber (61) to print.

3. A guide pin positioning guide plate customization and simulation verification system according to claim 1 or 2, characterized in that: the three-dimensional reconstruction module further comprises a fracture area marking module, and the fracture area marking module is used for matching and marking a fracture area on the three-dimensional skeleton model during the reconstruction of the three-dimensional model.

4. A guide pin positioning guide plate customization and simulation verification system according to claim 1 or 2, characterized in that: the interactive query module comprises a three-dimensional visualization module, and the three-dimensional visualization module is used for performing three-dimensional rendering visualization display on data.

5. A guide pin positioning guide plate customization and simulation verification system according to claim 2, wherein: be equipped with temperature sensor in printing preparation chamber (61), be equipped with touch-control display (7) on the slant roof of casing (4), touch-control display (7) are connected with temperature sensor, constant temperature heating panel, 3D printing preparation device (6), data memory (5) respectively.

6. A guide pin positioning guide plate customization and simulation verification system according to claim 5, wherein: the oblique top plate of the shell (4) is further provided with a status indicator lamp group connected with the touch display (7), the heating panel and the 3D printing and manufacturing device (6).

7. A guide pin positioning guide plate customization and simulation verification system according to claim 1, wherein: the data output module is also connected with a wireless communication module.

8. A guide pin positioning guide plate customization and simulation verification method is characterized in that: the method comprises the following steps:

A. the data receiving and inputting module is used for receiving and/or inputting a plurality of pieces of CT data in a DICOM format and transmitting the CT data to the data processing module, the data processing module is used for extracting data according to the CT data and obtaining skeleton three-dimensional data and transmitting the skeleton three-dimensional data to the three-dimensional reconstruction module, the three-dimensional reconstruction module is used for reconstructing a three-dimensional model according to the skeleton three-dimensional data and obtaining a skeleton three-dimensional model, the three-dimensional reconstruction module comprises a fracture region marking module, and the fracture region marking module is used for matching and marking a fracture region on the skeleton three-dimensional model;

B. the guide plate model matching module generates a matched guide plate model on the three-dimensional skeleton model according to the three-dimensional skeleton data, and the guide plate model is generated by matching the peripheral surface of the skeleton tightly attached to the needle inlet point of the guide needle;

C. the guide plate model verification module comprises a guide pin insertion verification module and a simulation verification module, the guide pin insertion verification module performs guide pin insertion surgery simulation verification according to the bone three-dimensional model and the guide plate model, and the guide pin insertion surgery simulation verification comprises surgery simulation verification including guide pin insertion quantity, insertion point positions and insertion angles; the simulation verification module verifies the bone simulation activities after the guide pin insertion simulation operation, wherein the bone simulation activities comprise various verifications of human body bone physiological activities;

D. and the data output module outputs the verified guide plate model data to the guide plate manufacturing system, and the guide plate manufacturing system carries out guide plate entity manufacturing according to the guide plate model data.

9. A method of guide pin positioning guide plate customization and simulation verification according to claim 8, characterized by: the method also comprises the following steps:

E. the interactive query module is respectively connected with the three-dimensional reconstruction module, the guide plate model matching module and the guide plate model verification module, and carries out fixed-point query and viewing operation including amplification, reduction and rotation; the interactive query module comprises a three-dimensional visualization module which carries out three-dimensional rendering visualization display on the data.

Technical Field

The invention relates to a fracture medical system, in particular to a guide pin positioning guide plate customization and simulation verification system and a method thereof.

Background

Fracture is a common injury in the elderly, and the probability of fracture is higher after falling down due to decreased bone density, osteoporosis and the like of the elderly. Most patients with fractures need to undergo surgical treatment, and one of the most common surgical approaches is to place internal fixtures in the bone for fixation. In the operation, an internal fixture is inserted into a skeleton (mainly the skeleton), and the fracture part is connected with the whole skeleton. The position and angle of the internal fixture are determined by the guide pin inserted initially, so that the insertion angle and insertion point position of the guide pin are required to be high when the guide pin is inserted. When inserting the guide pin, the guide pin also deviates from the design route easily, deviates from best operation point position even, if do not insert the guide pin according to best design route, leads to fixed effect not good easily, and patient needs the long time postoperative to be taken care of, appears the risk of secondary operation easily, and interior fixture pine takes off even appears, the possibility of fracture aversion. The traditional fracture surgery operation usually needs the main doctors with abundant experience to implement the surgery treatment, generally speaking, the main steps of the fracture surgery treatment are anesthesia, incision, insertion of a guide pin, marrow enlargement, main nail placement, guide pin extraction, spiral blade placement and distal end locking nail placement and suture; in the operation process of fracture surgery, especially in the process of inserting a guide pin, fluoroscopy confirmation is needed at any time (the operation difficulty mainly includes the insertion angle and insertion point of the guide pin, and the image fluoroscopy is also used for observing whether the guide pin deviates at any time), so that the operation time is too long, the radiation is large, and especially for the old, more negative effects and complications are easily brought in the long-time operation process, and even death is caused. Therefore, the requirement on the point position and the angle of the guide pin is very high in the step of inserting the guide pin in the fracture surgery treatment, the clinical experience of a doctor mainly brings great influence on the time and the effect of the surgery, instruments and simulation research for assisting the insertion of the guide pin are not available in the prior art, the used tools are simple, the guide pin cannot be accurately positioned, and the guide pin is completely dependent on the surgical experience of the doctor.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a guide pin positioning guide plate customizing and simulation verification system and a method thereof, which can carry out three-dimensional reconstruction on the bone head of a patient according to a CT image shot before the operation of the patient, generate a positioning guide plate completely attached to the surface of the bone by fitting on the basis, and form a guide cylinder for guiding the insertion of a guide pin on the positioning guide plate, so that the guide pin can be accurately inserted, the time for a doctor to adjust the position of the guide pin is shortened, the perspective radiation is reduced, and the operation is more convenient, rapid and safe.

The purpose of the invention is realized by the following technical scheme:

a guide pin positioning guide plate customization and simulation verification system comprises a data receiving input module, a data processing module, a three-dimensional reconstruction module, a guide plate model matching module, a guide plate model verification module, a data output module, a guide plate manufacturing system and an interactive query module, wherein the data receiving input module, the data processing module, the three-dimensional reconstruction module, the guide plate model matching module, the guide plate model verification module, the data output module and the guide plate manufacturing system are sequentially connected, and the interactive query module is respectively connected with the three-dimensional reconstruction module, the guide plate model matching module and the guide plate model verification module; the data receiving and inputting module is used for receiving and inputting DICOM-format CT data, the data processing module extracts and obtains skeleton three-dimensional data according to the CT data, the three-dimensional reconstruction module conducts three-dimensional model reconstruction according to the skeleton three-dimensional data and obtains a skeleton three-dimensional model, and the guide plate model matching module generates a matched guide plate model on the skeleton three-dimensional model according to the skeleton three-dimensional data; the guide plate model verification module comprises a guide pin insertion verification module and a simulation verification module, the guide pin insertion verification module performs guide pin insertion operation simulation verification according to the bone three-dimensional model and the guide plate model, and the simulation verification module is used for verifying bone simulation activities after the guide pin insertion simulation operation; the interactive query module is used for fixed-point query and performing viewing operation including amplification, reduction and rotation; the data output module is used for outputting data, and the output data comprises verified guide plate model data; and the guide plate manufacturing system is used for manufacturing the guide plate entity according to the guide plate model data.

In order to better realize the guide pin positioning guide plate customizing and simulation verifying system, the guide plate manufacturing system comprises a shell, a data memory and a 3D printing manufacturing device, wherein the data memory and the 3D printing manufacturing device are arranged in the shell, the data memory is respectively connected with the 3D printing manufacturing device and a data output module, and the 3D printing manufacturing device is provided with a printing manufacturing cavity; the utility model discloses a three-dimensional printing device, including casing, 3D printing preparation device, casing top is the slant roof, be equipped with the switch power button who is connected with 3D printing preparation device on the slant roof of casing, the articulated door of getting that is equipped with of preceding curb plate of casing, it is corresponding with the printing preparation chamber to get a door, be equipped with constant temperature heating panel on the chamber wall of printing the preparation chamber.

The preferable technical scheme of the guide pin positioning guide plate customization and simulation verification system is as follows: the three-dimensional reconstruction module further comprises a fracture area marking module, and the fracture area marking module is used for matching and marking a fracture area on the three-dimensional skeleton model during the reconstruction of the three-dimensional model.

The preferable technical scheme of the guide pin positioning guide plate customization and simulation verification system is as follows: the interactive query module comprises a three-dimensional visualization module, and the three-dimensional visualization module is used for performing three-dimensional rendering visualization display on data.

The preferable technical scheme of the guide pin positioning guide plate customization and simulation verification system is as follows: the printing manufacturing cavity is internally provided with a temperature sensor, a touch display is arranged on an oblique top plate of the shell and is respectively connected with the temperature sensor, the constant-temperature heating panel, the 3D printing manufacturing device and the data storage.

The preferable technical scheme of the guide pin positioning guide plate customization and simulation verification system is as follows: the oblique roof of casing still is equipped with the status indicator banks who is connected with touch display, heating panel, 3D printing making device.

The preferable technical scheme of the guide pin positioning guide plate customization and simulation verification system is as follows: the data output module is also connected with a wireless communication module.

A guide pin positioning guide plate customizing and simulation verification method comprises the following steps:

A. the data receiving and inputting module is used for receiving and/or inputting a plurality of pieces of CT data in a DICOM format and transmitting the CT data to the data processing module, the data processing module is used for extracting data according to the CT data and obtaining skeleton three-dimensional data and transmitting a three-dimensional reconstruction module, the three-dimensional reconstruction module is used for reconstructing a three-dimensional model according to the skeleton three-dimensional data and obtaining a skeleton three-dimensional model, the three-dimensional reconstruction module comprises a fracture region marking module, and the fracture region marking module is used for matching and marking a fracture region on the skeleton three-dimensional model;

B. the guide plate model matching module generates a matched guide plate model on the three-dimensional skeleton model according to the three-dimensional skeleton data, and the guide plate model is generated by matching the peripheral surface of the skeleton tightly attached to the needle inlet point of the guide needle;

C. the guide plate model verification module comprises a guide pin insertion verification module and a simulation verification module, the guide pin insertion verification module performs guide pin insertion surgery simulation verification according to the bone three-dimensional model and the guide plate model, and the guide pin insertion surgery simulation verification comprises surgery simulation verification including guide pin insertion quantity, insertion point positions and insertion angles; the simulation verification module verifies the bone simulation activities after the guide pin insertion simulation operation, wherein the bone simulation activities comprise various verifications of human body bone physiological activities;

D. and the data output module outputs the verified guide plate model data to the guide plate manufacturing system, and the guide plate manufacturing system carries out guide plate entity manufacturing according to the guide plate model data.

The method for customizing and simulating the guide pin positioning guide plate further comprises the following steps:

E. the interactive query module is respectively connected with the three-dimensional reconstruction module, the guide plate model matching module and the guide plate model verification module, and carries out fixed-point query and viewing operation including amplification, reduction and rotation; the interactive query module comprises a three-dimensional visualization module which carries out three-dimensional rendering visualization display on the data.

Compared with the prior art, the invention has the following advantages and beneficial effects:

(1) the invention processes the CT data and reconstructs a skeleton three-dimensional model, then fits and matches the skeleton three-dimensional model according to the skeleton three-dimensional data to obtain a guide plate model, can also realize various verifications such as guide pin insertion operation simulation verification, simulation activity verification and the like, can perform operations such as operation simulation, error correction, rehearsal, verification and the like in a system, and can also print and manufacture a customized and personalized guide plate quickly and accurately, thereby having great help for fracture operations and improving the operation success rate and operation quality of doctors.

(2) The invention can carry out three-dimensional reconstruction on the bone head according to the CT image shot before the operation of the patient, generate a positioning guide plate completely jointed with the surface of the bone by fitting on the basis, and generate a positioning guide plate completely jointed with the surface of the bone by fitting on the basis, thereby facilitating the accurate insertion of the guide pin, reducing the time for a doctor to adjust the position of the guide pin and reducing the perspective radiation, and leading the operation to be more convenient, rapid and safe.

(3) In practical operation application of the guide plate manufactured by the invention, doctors can easily realize good matching of the guide plate and the bone surface of a planned area, the guide pin is guided smoothly and accurately at one time, and then the position of the guide pin is positioned in the middle of a medullary cavity through shooting X-ray perspective verification, thereby achieving the expected effect of the invention.

(4) According to the invention, the constant-temperature heating panel is arranged in the printing and manufacturing cavity, and constant-temperature heating is carried out when the guide pin positioning guide plate is printed, so that the manufacturing quality and efficiency of the guide pin positioning guide plate are improved, the guide pin positioning guide plate can be conveniently taken out through the sampling door after being manufactured, and the operation is very convenient; the invention is provided with the touch display and the status indicator lamp set, and can display information such as working status, progress, fault early warning and the like in real time.

(5) The invention can reduce the operation difficulty, shorten the operation time, reduce the infection probability and the wound after the operation, and accord with the rapid rehabilitation idea of ERAS (enhanced recovery after surgery); the long-term functional recovery of the patient is also well assisted; for young doctors, the difficulty of the operation can be reduced, so that the learning cost, the learning time and the medical accidents are reduced.

Drawings

FIG. 1 is a block diagram of the schematic architecture of the system of the present invention;

FIG. 2 is a schematic perspective view of a deflector fabrication system according to the present invention;

FIG. 3 is an internal structural view of the guide plate making system of the present invention;

FIG. 4 is a schematic diagram illustrating an exemplary embodiment of a first guide plate and guide pin according to the present invention;

FIG. 5 is a schematic diagram illustrating an embodiment of a second guide plate and guide pin according to the present invention.

Wherein, the names corresponding to the reference numbers in the drawings are:

1-skeleton, 2-guide plate, 21-guide cylinder, 3-guide pin, 4-shell, 5-data memory, 6-3D printing and manufacturing device, 61-printing and manufacturing cavity, 7-touch display and 8-pick-up door.

Detailed Description

The present invention will be described in further detail with reference to the following examples:

examples

As shown in fig. 1 to 5, a guide pin positioning guide plate customization and simulation verification system comprises a data receiving input module, a data processing module, a three-dimensional reconstruction module, a guide plate model matching module, a guide plate model verification module, a data output module, a guide plate manufacturing system and an interactive query module, wherein the data receiving input module, the data processing module, the three-dimensional reconstruction module, the guide plate model matching module, the guide plate model verification module, the data output module and the guide plate manufacturing system are sequentially connected, and the interactive query module is respectively connected with the three-dimensional reconstruction module, the guide plate model matching module and the guide plate model verification module. The data receiving and inputting module is used for receiving and inputting DICOM format CT data, the data processing module extracts and obtains skeleton three-dimensional data according to the CT data, the three-dimensional reconstruction module conducts three-dimensional model reconstruction according to the skeleton three-dimensional data and obtains a skeleton three-dimensional model, the optimal three-dimensional reconstruction module further comprises a fracture area marking module, and the fracture area marking module is used for matching and marking a fracture area on the skeleton three-dimensional model during three-dimensional model reconstruction. The guide plate model matching module generates a matched guide plate model on the three-dimensional bone model according to the three-dimensional bone data (referring to fig. 4 and 5, the guide plate model generally comprises a guide plate base and a guide cylinder 21, but the guide plate model can also be only the guide plate base). The guide plate model verification module comprises a guide pin insertion verification module and a simulation verification module, the guide pin insertion verification module carries out guide pin insertion operation simulation verification according to the bone three-dimensional model and the guide plate model, and the simulation verification module is used for verifying bone simulation activities after the guide pin insertion simulation operation. As shown in fig. 1, the interactive query module is used for fixed-point query and performing a viewing operation including zooming in, zooming out, and rotating; the preferred interactive query module comprises a three-dimensional visualization module, and the three-dimensional visualization module is used for performing three-dimensional rendering visualization display on data. The data output module is used for outputting data, the data output module is preferably connected with a wireless communication module (capable of performing wireless communication transmission), and the output data comprises verified guide plate model data. The guide plate manufacturing system is used for manufacturing the guide plate entity according to the guide plate model data.

As shown in fig. 2 and 3, the guide plate manufacturing system includes a housing 4, a data storage 5 and a 3D printing and manufacturing device 6, the data storage 5 and the 3D printing and manufacturing device 6 are disposed inside the housing 4, the data storage 5 is connected to the 3D printing and manufacturing device 6 and a data output module, respectively, and the 3D printing and manufacturing device 6 has a printing and manufacturing cavity 61. The top of the shell 4 is a slant top plate, a power switch button connected with the 3D printing and manufacturing device 6 is arranged on the slant top plate of the shell 4, a piece taking door 8 is hinged to a front side plate of the shell 4, the piece taking door 8 corresponds to the printing and manufacturing cavity 61, and a constant-temperature heating panel is arranged on the cavity wall of the printing and manufacturing cavity 61. The constant-temperature heating panel and the 3D printing and manufacturing device 6 can be switched on and off through the power switch button.

As shown in fig. 2, a temperature sensor is disposed in the printing and manufacturing cavity 61, a touch display 7 is disposed on the oblique top plate of the housing 4, and the touch display 7 is connected to the temperature sensor, the constant temperature heating panel, the 3D printing and manufacturing device 6, and the data storage 5, respectively. The touch display 7 of this embodiment is an interactive touch control display screen, and can realize locating plate selection, locating plate model show, 3D printing preparation, constant temperature heating setting and control operation at the touch display 7, and certainly also can realize other operations such as operating condition, job schedule, temperature real-time display, trouble suggestion etc.. The display screen on touch display 7 of this embodiment can show the temperature in real time, also can set for constant temperature heating panel intensification or cooling control, and this embodiment can set up the control by temperature change chip, can set up the temperature threshold value scope at the control by temperature change chip, and this control by temperature change chip is connected with temperature sensor, constant temperature heating panel respectively to the constant temperature heating temperature of control printing preparation chamber 61 is in the temperature threshold value scope of setting for. This embodiment constant temperature heating panel can carry out the constant temperature heating in printing preparation chamber 61 and keep in a constant temperature state in order to let printing preparation chamber 61 to the better, more swift, more accurate printing preparation of guide pin location deflector (for short the deflector).

As shown in fig. 2, the oblique top plate of the housing 4 is further provided with a status indicator light set connected to the touch display 7, the heating panel, and the 3D printing and manufacturing device 6, the status indicator light set may include a printing indicator light, a heat preservation heating indicator light, a fault indicator light, and certainly may include other status indicator lights, and the status indicator lights indicate the operating status, and this embodiment may indicate various operating statuses through the status indicator light set. The posterior lateral plate of this embodiment casing 4 is equipped with the access door, through opening this access door to overhaul the operation to the inside components and parts of casing 4, be convenient for simultaneously print making devices 6 to 3D and carry out reinforced operation. The touch display 7 of this embodiment may be an interactive interface, which can display the effects of all operations, and also can be used for a user to perform a touch operation: including magnification, parameter selection, transparency adjustment, print settings, etc. This embodiment status indicator lamp group can adopt red, yellow, green three kinds of colours, and the pilot lamp is often bright and the different operating condition of the corresponding deflector manufacturing system of scintillation. Get a door 8 and close in the deflector manufacture process, prevent foreign object invasion or external force interference, can open automatically after waiting for the deflector preparation to accomplish, make things convenient for operating personnel to take out the deflector.

The invention leads CT data of a patient into the guide pin positioning guide plate customizing and simulating verification system through the data receiving and inputting module, the guide pin positioning guide plate customizing and simulating verification system can realize DICOM format file conversion and bone three-dimensional reconstruction, through an interactive interface, a doctor can select a region of the patient needing operation for amplifying and checking, can also adjust model transparency and check the shape trend of a marrow cavity in a bone, and selects the region needing guide pin positioning as a contact surface of a guide plate model and the bone, and then the guide pin positioning guide plate customizing and simulating verification system generates a guide plate base and a guide pipe (namely, a guide plate model which comprises the guide plate base and a guide cylinder 21 generally and can be only the guide plate base). After the guide plate model is generated, clicking confirmation can be carried out through simple parameter adjustment, and a guide plate manufacturing link is entered. The guide plate is completely attached to the surface of the bone during the operation, so that the guide pin is accurately positioned and guided, the guide pin can be smoothly inserted into the medullary cavity according to a set route, and the operation time and the perspective radiation are reduced. Fig. 4 provides an example of the installation of the guide plate 2 and guide pin 3 for the first bone fracture (fig. 4 is an example of the femur of a human body, but the invention can be applied to all bones of the human body, of course, the guide plate 2 is provided with a guide cylinder 21, and is customized by a guide plate model with the guide cylinder), in the strategy scheme of the operation (according to different fracture positions), the guide plate 2 is correspondingly matched at the side surface of the bone 1, and the guide pin 3 is transversely inserted under the positioning and guiding operation of the guide plate 2. Fig. 5 provides an example of installation of guide plate 2 and guide pin 3 for the second bone fracture (fig. 5 is an example of femur of human body, and the present invention can be applied to all bones of human body, of course), in this strategy scheme of operation (according to different fracture positions), guide plate 2 is located on top of bone 1 (non-joint moving part) for corresponding matching, and guide pin 3 is inserted vertically under the positioning and guiding operation of guide plate 2.

As shown in fig. 1, a method for customizing and simulating a guide pin positioning guide plate comprises the following steps:

A. the data receiving and inputting module is used for receiving and/or inputting a plurality of pieces of CT data in a DICOM format and transmitting the CT data to the data processing module, the CT data are multi-azimuth CT data of a fracture patient, the data processing module is used for extracting data according to the CT data, obtaining skeleton three-dimensional data and transmitting a three-dimensional reconstruction module, the three-dimensional reconstruction module is used for reconstructing a three-dimensional model according to the skeleton three-dimensional data and obtaining a skeleton three-dimensional model, the three-dimensional reconstruction module comprises a fracture region marking module, and the fracture region marking module is used for matching and marking a fracture region on the skeleton three-dimensional model (the fracture region is marked on the skeleton three-dimensional model, so that the follow-up verification and other work are facilitated, and the visual work of inquiry and check is facilitated).

B. The guide plate model matching module generates a matched guide plate model on the three-dimensional skeleton model according to the three-dimensional skeleton data, and the guide plate model is generated by matching the peripheral surface of the skeleton clinging to the needle feeding point of the guide needle.

C. The guide plate model verification module comprises a guide pin insertion verification module and a simulation verification module, the guide pin insertion verification module carries out guide pin insertion operation simulation verification according to the bone three-dimensional model and the guide plate model, and the guide pin insertion operation simulation verification comprises operation simulation verification of guide pin insertion quantity, insertion point positions, insertion angles and the like. The simulation verification module verifies the bone simulation activities after the guide pin insertion simulation operation, wherein the bone simulation activities comprise various verifications of human body bone physiological activities and the like (such as joint activities). In the verification process, a doctor can perform operations such as parameter adjustment, guide plate model data change and the like in the system in time, so that the best guide plate model data can be obtained conveniently.

D. And the data output module outputs the verified guide plate model data to the guide plate manufacturing system, and the guide plate manufacturing system carries out guide plate entity manufacturing according to the guide plate model data.

E. The interactive query module is respectively connected with the three-dimensional reconstruction module, the guide plate model matching module and the guide plate model verification module, and carries out fixed-point query and viewing operation including amplification, reduction and rotation. The interactive query module comprises a three-dimensional visualization module which carries out three-dimensional rendering visualization display on the data.

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 and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.