A guide plate for minimally invasive surgery and a method of making

Abstract

The application provides a guide plate for minimally invasive surgery, and relates to the technical field of skull minimally invasive surgery, and comprises a personalized customization piece, which is customized based on three-dimensional data of a patient, is suitable for being attached and worn on a target part of the patient, and is provided with a first connecting part; a standardized connecting piece, which is made of a material that is not easy to deform under high-temperature sterilization, is provided with a second connecting part for forming a detachable connection with the first connecting part, and is provided with a third connecting part; and a personalized guide piece, which is made of a material that is not easy to deform under high-temperature sterilization, is provided with a guide channel for guiding a medical implanting instrument to pass through, is provided with a fourth connecting part for forming a detachable connection with the third connecting part, and is located on an implanting path planned before surgery after the fourth connecting part is connected with the third connecting part. The manufacturing cost of the guide plate is reduced, and the good accuracy of the guide plate is ensured.

Description

Technical Field

[0001] This application relates to the technical field of minimally invasive cranial surgery, and more specifically, to a minimally invasive cranial surgery guide device and its preparation method. Background Technology

[0002] Certain neurosurgical diseases, such as hypertension, can cause intracranial hypertension, edema, and hemorrhage, often requiring partial skull resection to reduce intracranial pressure and save the patient's life. In recent years, advancements in science and technology, particularly microsurgical and imaging techniques, have ushered in a new era of precision and minimally invasive neurosurgery. Keyhole techniques, such as puncture drainage, intracranial catheterization, and intracranial lesion biopsies, are increasingly being used to treat intracranial lesions, minimizing exposure and damage to intracranial structures.

[0003] Existing minimally invasive cranial surgery guides typically consist of a mask and a guide channel through which a guide needle passes. The mask and guide channel are manufactured using a 3D printing process. Because the location of the cranial insertion and the patient's facial features vary from patient to patient, these guides are usually disposable.

[0004] In existing technologies, guide plates are made of plastic, which can deform after sterilization, making it impossible to ensure the safety and accuracy of the surgical area. To solve the problem of guide plate deformation, metal is used. Although metal guide plates do not deform after sterilization, they are more expensive to manufacture. Summary of the Invention

[0005] The purpose of this application is to provide a guide device and preparation method for minimally invasive cranial surgery, which aims to reduce the manufacturing cost of the guide plate while ensuring good accuracy after high-temperature sterilization.

[0006] Additional aspects and advantages of this application will be set forth in part in the description which follows, and in part will be obvious from the description or may be learned by practice of this application.

[0007] According to a first aspect of this application, a guide plate for minimally invasive surgery is provided, comprising:

[0008] A personalized custom-made part, customized based on the patient's three-dimensional data, is suitable for fitting and wearing on the patient's target area, and the personalized custom-made part is provided with a first connecting part;

[0009] The standardized connector is made of a material that is not easily deformed under high temperature sterilization. The standardized connector is provided with a second connector for forming a detachable connection with the first connector. The personalized connector is provided with a third connector.

[0010] The personalized guide is made of a material that is not easily deformed under high temperature sterilization. The personalized guide has a guide channel established based on the preoperatively planned implantation path to guide the implanted medical device through. The personalized guide has a fourth connecting part for forming a detachable connection with the third connecting part. After the fourth connecting part is connected to the third connecting part, the guide channel is located on the preoperatively planned implantation path.

[0011] In one exemplary embodiment of this application, the first connecting portion is configured as a standardized connecting structure.

[0012] In one exemplary embodiment of this application, the top of the personalized custom part is formed with a first mounting hole, and a first connecting portion is formed around the periphery of the first mounting hole;

[0013] The standardized connector is configured as an upwardly arched annular structure, with a second connecting part formed at the bottom periphery and a second assembly hole formed at the top, and a third connecting part formed at the periphery of the second assembly hole.

[0014] The personalized guide component forms a fourth connecting part around its periphery, and the guide channel is established on the upper surface of the personalized guide component.

[0015] In one exemplary embodiment of this application, the first connecting portion includes a first magnetic block, the second connecting portion includes a second magnetic block, and the first magnetic block and the second magnetic block are magnetically connected.

[0016] In one exemplary embodiment of this application, the guide plate for minimally invasive surgery can be used in conjunction with a surgical drape. In use, the surgical drape is located between the first connecting portion and the second connecting portion to isolate the standardized connector and the personalized connector.

[0017] In one exemplary embodiment of this application, multiple first mounting holes are provided on the top of the personalized custom part, and the standardized connector is adapted to connect to any one of the first mounting holes; and / or,

[0018] The second assembly hole has multiple openings on the top of the standardized connector, and the personalized guide is suitable for connecting to any one of the second assembly holes.

[0019] In one exemplary embodiment of this application, the guide channel is configured as a guide tube, and the guide tube and the personalized guide are an integral structure or fixedly connected.

[0020] In one exemplary embodiment of this application, both the standardized connector and the personalized guide are made of metal; the personalized custom part is made of plastic.

[0021] In one exemplary embodiment of this application, both the personalized guide and the personalized customization are made by 3D printing.

[0022] According to a second aspect of this application, a method for preparing a guide plate for minimally invasive surgery is provided, characterized by comprising the following steps:

[0023] Personalized custom parts are created based on 3D data of the patient's target area;

[0024] A personalized guide with a guiding channel was prepared based on the preoperatively planned implantation path;

[0025] Standardized connectors and customized parts are connected through a first connector and a second connector.

[0026] The personalized guide is connected to the standardized connector via a third connector and a fourth connector.

[0027] The exemplary embodiments of this application may have some or all of the following beneficial effects:

[0028] 1. In the guide plate for minimally invasive surgery provided in the example embodiment of this application, a personalized custom-made part suitable for the patient is formulated based on the patient's three-dimensional data, and a standardized connector is formulated according to the needs of the surgery. It is understood that the standardized connector can be widely applied to surgical needs. Based on the lesion or target point and combined with medical imaging, the optimal implantation path is set, and then a personalized guide with a guide channel is formulated according to the implantation path. The standardized connector is connected and fixed to the first connector of the personalized custom-made part through the second connector; the standardized connector is connected and fixed to the fourth connector of the personalized guide through the third connector; the personalized custom-made part is worn on the patient's target site, and through the connection of the standardized connector, the guide channel on the personalized guide can be accurately located on the implantation path. Because the personalized components are installed at the patient's target site, providing fixation during surgery and located away from the surgical area, this part does not require high-temperature sterilization and can be made from lower-cost materials. The standardized connectors and personalized guides, however, are located in the surgical area and require sterility; therefore, they are made from materials that are resistant to deformation under high-temperature sterilization. During surgery, the standardized connectors and personalized guides are first sterilized at high temperatures before being connected to the personalized components for the patient to wear. Thus, by making the guide plate a separate structure, the personalized components can be made from lower-cost materials, while the standardized connectors and personalized guides are made from materials resistant to deformation under high-temperature sterilization. This structure reduces the manufacturing cost of the guide plate while ensuring it does not deform after high-temperature sterilization, thereby guaranteeing good accuracy during surgery.

[0029] 2. In the guide plate for minimally invasive surgery provided in the example embodiment of this application, by setting the first connecting part as a standardized connecting structure, a standardized connection fit is formed between the first connecting part and the second connecting part. This ensures that when the shape of the personalized custom part changes according to the patient's three-dimensional data, the structure of the first connecting part does not change. Therefore, the standardized connecting part can be adapted to personalized custom parts of any shape, and the standardized connecting part can be used repeatedly, thereby further reducing the manufacturing cost of the guide plate. Attached Figure Description

[0030] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this application and, together with the description, serve to explain the principles of this application. It is obvious that the drawings described below are merely some embodiments of this application, and those skilled in the art can obtain other drawings based on these drawings without any inventive effort.

[0031] Figure 1 A schematic diagram of a guide plate for minimally invasive surgery according to an embodiment of this application is shown;

[0032] Figure 2 A schematic diagram of the structure of the personalized guide and guide tube in the embodiments of this application is shown.

[0033] Explanation of reference numerals in the attached figures:

[0034] 1. Customized parts; 11. First connecting part; 2. Standardized connecting parts; 21. Second connecting part; 22. Third connecting part; 3. Customized guide parts; 31. Fourth connecting part; 32. Guide tube. Detailed Implementation

[0035] Exemplary embodiments will now be described more fully with reference to the accompanying drawings. However, these exemplary embodiments can be implemented in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this application will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and therefore their detailed descriptions will be omitted. Furthermore, the drawings are merely illustrative of this application and are not necessarily drawn to scale.

[0036] Although relative terms such as "upper" and "lower" are used in this specification to describe the relative relationship of one component of an icon to another, these terms are used only for convenience, such as according to the orientation of the examples in the accompanying drawings. It is understood that if the device of the icon is flipped so that it is upside down, the component described as "upper" will become the component described as "lower." When a structure is "upper" of another structure, it may mean that the structure is integrally formed on the other structure, or that the structure is "directly" mounted on the other structure, or that the structure is "indirectly" mounted on the other structure through another structure.

[0037] The terms “a,” “one,” “the,” and “at least one” are used to indicate the existence of one or more elements / components / etc.; the terms “including” and “having” are used to indicate an open-ended inclusion and to mean that there may be other elements / components / etc. in addition to the listed elements / components / etc.; the terms “first” and “second” are used only as markers and are not a limitation on the number of objects.

[0038] like Figure 1 As shown in the embodiments of this application, a guide plate for minimally invasive surgery is provided, characterized in that it includes:

[0039] Personalized custom part 1 is customized based on the patient's three-dimensional data. The personalized custom part 1 is suitable for fitting and wearing on the patient's target area. The personalized custom part 1 is provided with a first connecting part 11.

[0040] The standardized connector 2 is made of a material that is not easily deformed under high temperature sterilization. The standardized connector 2 is provided with a second connector 21 for forming a detachable connection with the first connector 11. The personalized connector is provided with a third connector 22.

[0041] The personalized guide 3 is made of a material that is not easily deformed under high temperature sterilization. The personalized guide 3 is provided with a guide channel for guiding the implanted medical device through the implantation path based on the preoperatively planned implantation path. The personalized guide 3 is provided with a fourth connecting part 31 for forming a detachable connection with the third connecting part 22. After the fourth connecting part 31 is connected to the third connecting part 22, the guide channel is located on the preoperatively planned implantation path.

[0042] In this embodiment, the standardized connector 2 and the personalized guide 3 not only withstand high-temperature sterilization but also resist deformation at high temperatures, ensuring the stability and reliability of the guide. In the medical field, high-temperature sterilization is a widely used disinfection method. Specifically, it can be performed using either high-temperature steam sterilization (i.e., moist heat sterilization) or dry heat sterilization. Both methods effectively kill bacteria and viruses, ensuring the sterility of surgical instruments and thus protecting patient safety and health.

[0043] In the embodiments of this application, high-temperature steam sterilization is used as a highly efficient sterilization method. Its principle lies in using saturated steam under high pressure to denature the proteins and nucleic acids within microorganisms, thereby completely eliminating various microorganisms. Conventional sterilization conditions include maintaining a temperature of 121°C for 15 minutes, or extending it to 30 minutes, and maintaining a temperature of 116°C for 40 minutes. However, these conditions are only examples; the specific temperature and time used need to be adjusted according to the material and structural characteristics of the guide components to ensure sterilization effectiveness while avoiding unnecessary damage to the standardized connector 2 and the customized guide components 3. Of course, the sterilization parameters mentioned above are not fixed and should be flexibly adjusted according to specific circumstances in actual operation to achieve the best sterilization effect.

[0044] In the embodiments of this application, dry heat sterilization can be used as another reliable sterilization method. Its mechanism lies in utilizing the oxidizing effect of high-temperature dry air to effectively destroy the cell structure of microorganisms, thereby achieving thorough microbial killing and pyrogen elimination. Conventional dry heat sterilization conditions include maintaining a temperature of 160-170°C for more than 120 minutes, or at 170-180°C for more than 60 minutes, or at 250°C for more than 45 minutes. However, these conditions are only general guidelines. The specific temperature and time used need to be carefully considered based on the material and structure of the guide component and the sterilization requirements to ensure sterilization effectiveness while also maintaining the integrity and functionality of the guide component. Of course, the sterilization parameters mentioned above are not fixed and should be flexibly adjusted according to specific circumstances in actual operation to achieve a safe and effective sterilization effect.

[0045] In this embodiment, since the personalized component 1 is located at the patient's target site, and given its distance from the surgical area, it does not require high-temperature sterilization. Therefore, the personalized component 1 does not need to be made of a material that is not easily deformed under high-temperature sterilization; thus, it does not need to undergo high-temperature sterilization, thereby avoiding reliance on its high-cost, high-temperature resistant materials. In contrast, the standardized connector 2 and the personalized guide 3, as key components within the surgical area, must undergo strict high-temperature sterilization to ensure a sterile environment. Therefore, the material selection for the standardized connector 2 and the personalized guide 3 needs to be suitable for maintaining a stable shape at high temperatures. In this application, the guide plate is made into a split structure, so that the personalized component 1 does not need to be sterilized at high temperatures, thus allowing for the use of more economical materials. The standardized connector 2 and the personalized guide 3 are made of high-temperature resistant, non-deformable, high-quality materials to ensure the safety and precision of the surgical area during sterilization. Through the above structure, not only is the production cost of the guide plate significantly reduced, but also the safety and accuracy of the surgical process are guaranteed by ensuring the stability and sterility of key surgical components, achieving a dual optimization of cost-effectiveness and medical safety.

[0046] In this specific implementation scheme, taking cranial surgery as an example, the target area is precisely defined as the patient's facial feature region. The personalized custom component 1 is tailored based on the patient's three-dimensional facial scan data, ensuring it fits precisely and is comfortably fixed to the patient's face, providing high-precision positioning and guidance for the surgery. During the surgical preparation stage, the personalized custom component 1 is first worn on the patient's face. The standardized connector 2 precisely mates with the first connector 11 of the personalized custom component 1 through its second connector 21, achieving a stable connection. Subsequently, the personalized guide component 3 connects to the third connector 22 of the standardized connector 2 through its fourth connector 31, ensuring relative fixation between the personalized guide component 3 and the standardized connector 2. At this point, the guide channel is precisely aligned with the predetermined implantation path, providing precise guidance for the surgical operation. Of course, the above is only an illustrative example; the target area is not limited to the face and can also be other parts of the patient's body. When the target area changes, the structure of the personalized custom component 1 will also be adjusted accordingly to adapt to the specific characteristics of the patient's target area, ensuring accurate positioning and stable fixation in different surgical scenarios.

[0047] Through the above, the personalized custom component 1 can be widely used in various surgical scenarios. Whether it's skull surgery, joint surgery, or surgery on other parts of the body, it can be customized according to the specific needs of the patient, providing strong guarantees for the precision and safety of the surgery. By accurately matching the three-dimensional data of the patient's target area, the connecting plate not only improves the precision of the surgery but also reduces surgical risks, bringing patients a safer and more efficient surgical experience.

[0048] In this embodiment, the first connecting portion 11 of the standardized connector 2 is configured with a standardized connecting structure, ensuring a standardized and seamless connection mechanism between it and the second connecting portion 21 of the personalized component 1. Its advantage lies in the fact that even if the personalized component 1 is shaped according to the patient's unique three-dimensional data, the structure of the first connecting portion 11 remains unchanged, thus achieving compatibility between the standardized connector 2 and the personalized component 1 of any shape. This ensures the versatility and reusability of the standardized connector 2, thereby further reducing the overall manufacturing cost of the guide plate.

[0049] In this embodiment, the personalized custom part 1 is worn around the patient's face. A first mounting hole is formed on the top of the personalized custom part 1, and a standardized first connecting part 11 is formed around the periphery of the first mounting hole. The standardized connecting part 2 is configured as an upwardly arched annular structure to fit the patient's head. A standardized second connecting part 21 is formed around the bottom periphery of the standardized connecting part 2, and the first connecting part 11 and the second connecting part 21 are adapted to each other. A second mounting hole is formed on the top of the standardized connecting part 2, and a standardized third connecting part 22 is formed around the periphery of the second mounting hole. A standardized fourth connecting part 31 is formed around the periphery of the personalized guide part 3. The third connecting part 22 of the standardized connecting part 2 and the fourth connecting part 31 of the personalized guide part 3 are adapted to each other. The upper surface of each personalized guide part 3 can be adapted to plan several different implantation paths. Medical staff can establish a matching guide channel on the upper surface of the personalized guide part 3 according to the implantation path planned before the operation.

[0050] In a preferred embodiment of this application, the first connecting part 11 includes a first magnetic block, and the second connecting part 21 includes a second magnetic block. The two are connected quickly and precisely through magnetic force (as shown in the figure). This magnetic connection mechanism not only greatly simplifies the installation and disassembly process between the customized part 1 and the standardized connecting part 2, but also ensures high stability and reliability of both in the connected state. It is worth noting that the structural design of the first connecting part 11 and the second connecting part 21 is not limited to the magnetic attraction method.

[0051] In a further optimization of this application, in order to ensure a sterile environment in the surgical area and effectively isolate the sterile area after high-temperature sterilization from the outside germ-bearing area, the guide plate can be used in conjunction with the surgical drape to construct a tight sterile barrier.

[0052] In practice, the surgical drape is placed between the first connecting part 11 and the second connecting part 21 to form an isolation layer, separating the standardized connector 2 from the customized connector 1, thereby maintaining the integrity of the sterile environment during surgery. More specifically, in the embodiments of this application, the surgical drape is precisely positioned between the first magnetic block and the second magnetic block. Utilizing the magnetic attraction force, the surgical drape is firmly fixed, ensuring the effectiveness of sterile isolation.

[0053] In this embodiment of the application, the surgical area can be divided into several surgical operation areas at different locations. Before the operation, medical staff can select the appropriate surgical operation area based on the lesion or target and in conjunction with medical images, and place the personalized guide 3 in the surgical operation area.

[0054] In one embodiment of this application, multiple first mounting holes are provided on the top of the personalized custom part 1, and the standardized connector 2 is suitable for connecting to any one of the first mounting holes. Furthermore, the second connecting portion 21 on the standardized connector 2 can connect to the first connecting portion 11 in any one of the first mounting holes. This means that the standardized connector 2 can precisely mate with the first connecting portion 11 at different positions according to actual needs. Therefore, by adjusting the connection between the standardized connector 2 and the first connecting portion 11 at different positions, the position of the standardized connector 2 can be flexibly changed, thereby driving the position adjustment of the personalized guide 3, ensuring that the personalized guide 3 can be accurately positioned within the required surgical operation area, providing more personalized and precise guiding support for the surgical operation.

[0055] In another embodiment of this application, multiple first assembly holes are provided on the top of the personalized custom part 1, and the standardized connector 2 is suitable for connecting to any one of the first assembly holes; multiple second assembly holes are provided on the top of the standardized connector 2, and the personalized guide 3 is suitable for connecting to any one of the second assembly holes. Further, the second connecting portion 21 on the standardized connector 2 can connect to the first connecting portion 11 in any one of the first assembly holes; the fourth connecting portion 31 on the personalized guide 3 can connect to the third connecting portion 22 in any one of the second assembly holes. Therefore, when assembling the guide plate, not only can the position of the standardized connector 2 be changed by adjusting the connection between the standardized connector 2 and the first connecting portions 11 at different positions, but the relative position between the personalized guide 3 and the standardized connector 2 can also be flexibly adjusted by connecting the personalized guide 3 to the third connecting portions 22 at different positions. Through the above structure, the applicability of the personalized guide 3 is greatly expanded, enabling it to adapt to more surgical operating areas in different positions, thereby significantly improving the applicability and flexibility of the guide plate in complex surgical operations.

[0056] As the optimal solution in this application embodiment, a first assembly hole is provided on the top of the personalized custom part 1, and the first assembly hole covers the entire top of the personalized custom part 1. Therefore, it can be understood that the first connecting part 11 covers the entire top of the personalized custom part 1. Thus, the personalized custom part 1 and the standardized connecting part 2 achieve maximum connection. This fully covered connection method greatly enhances the stability of the standardized connecting part 2 and ensures the safety and reliability of the surgical operation.

[0057] Meanwhile, the standardized connector 2 has multiple second mounting holes on its top, each corresponding to a specific surgical operating area. The personalized guide 3 is suitable for connecting to any of these second mounting holes. This combination of structures not only ensures that the guide plate can adapt to more surgical operating areas in different locations, but also guarantees its stability in complex surgical environments, providing more precise, safe, and efficient guidance support for surgical operations.

[0058] like Figure 1 and Figure 2 As shown, in this application, the guide channel is configured as a guide tube 32, which is either an integral structure or fixedly connected to the personalized guide component 3. Of course, this is not limiting; the guide channel can also employ two or more guide ring structures to adapt to different surgical needs. It is worth noting that when the guide channel uses multiple guide rings, all guide rings must be precisely positioned on the implantation path to ensure the accuracy of the surgical procedure.

[0059] To effectively control the manufacturing cost of the guide plate, the customized component 1 is preferably made of plastic, a choice that optimizes costs while ensuring basic functionality. However, to ensure the guide plate exhibits good accuracy and safety during surgery, the standardized connector 2 and the customized guide component 3 must be made of metal that is not easily deformed under high-temperature sterilization conditions. This material can not only withstand the high-temperature sterilization process in the surgical environment but also maintain structural stability and strength, ensuring the precision and safety of the surgical procedure. Of course, this is not a limiting factor.

[0060] The following is a method for preparing a guide plate for minimally invasive surgery, designed to provide precise guidance and positioning for the procedure:

[0061] In this embodiment of the application, both the personalized guide 3 and the personalized custom part 1 are made by 3D printing.

[0062] S1. Create a personalized custom part 1 based on the three-dimensional data of the patient's target area;

[0063] S2. Based on the preoperatively planned implantation path, a personalized guide with a guiding channel is prepared.

[0064] S3. Connect the standardized connector 2 and the customized connector 1 through the first connecting part 11 and the second connecting part 21;

[0065] S4. Connect the personalized guide 3 and the standardized connector 2 through the third connecting part 22.

[0066] In the specific implementation of the manufacturing method of this application, in S1 and S2, the personalized custom part 1 is made of plastic using 3D printing, which not only achieves efficient production of the personalized custom part 1 but also ensures its good precision. Meanwhile, the personalized guide part 3 is made of metal powder, also using 3D printing technology to achieve precise manufacturing of complex structures. During the fabrication of the personalized guide part 3, an optimal implantation path is set based on the lesion or target point and combined with medical imaging. The determination of the optimal implantation path directly guides the position design of the guide channel. Therefore, during the 3D printing process, the guide channel and the personalized guide part 3 are printed as an integral structure, which not only facilitates its own processing and manufacturing but also ensures its own guiding precision.

[0067] In step S3 of this application, after the personalized custom-made part 1 is accurately placed on the target site, the first task is to attach a surgical drape to the first connecting portion 11 of the personalized custom-made part 1. This operation aims to provide a sterile environment for subsequent surgical procedures. Subsequently, the standardized connecting part 2 is tightly connected and fixed to the first connecting portion 11 of the personalized custom-made part 1 through its second connecting portion 21, while simultaneously clamping the surgical drape between the two, ensuring good stability of the surgical drape during the operation. This structure not only effectively isolates the bacterial and sterile areas but also creates a safe and sterile environment for surgical procedures, greatly reducing the risk of surgical infection.

[0068] Finally, based on the specific location of the lesion or target, and combined with advanced medical imaging technology, the optimal surgical operating area is selected. This area, the optimally positioned third connecting part 22, will serve as the connection point between the personalized guide 3 and the standardized connecting part 2. Precisely connecting the personalized guide 3 to the selected third connecting part 22 not only ensures the accuracy of the surgical operation but also provides good stability for the procedure.

[0069] Other embodiments of this application will readily conceive of by those skilled in the art upon consideration of the specification and practice of the embodiments thereof. This application is intended to cover any variations, uses, or adaptations of this application that follow the general principles of this application and include common knowledge or customary techniques in the art not claimed in this application. The specification and embodiments are to be considered exemplary only, and the true scope and spirit of this application are indicated by the appended claims.

Claims

1. A guide plate for minimally invasive surgery, characterized in that, include: Personalized custom part (1), customized based on the patient's three-dimensional data, the personalized custom part (1) is suitable for fitting and wearing on the patient's target part, and the personalized custom part (1) is provided with a first connecting part (11); The standardized connector (2) is made of a material that is not easily deformed under high temperature sterilization. The standardized connector (2) is provided with a second connecting part (21) for forming a detachable connection with the first connecting part (11). The standardized connector (2) is provided with a third connecting part (22). The personalized guide (3) is made of a material that is not easily deformed under high temperature sterilization. The personalized guide (3) is provided with a guide channel for guiding the implanted medical device through based on the preoperative planned implantation path. The personalized guide (3) is provided with a fourth connecting part (31) for forming a detachable connection with the third connecting part (22). After the fourth connecting part (31) is connected to the third connecting part (22), the guide channel is located on the preoperative planned implantation path. The first connecting part (11) is configured as a standardized connecting structure; The personalized custom part (1) has a first mounting hole formed on its top, and a first connecting part (11) is formed around the periphery of the first mounting hole; The standardized connector (2) is configured as an upwardly arched annular structure. The bottom periphery of the standardized connector (2) forms a second connecting part (21), and the top is formed with a second assembly hole. The periphery of the second assembly hole forms a third connecting part (22). The personalized guide (3) forms a fourth connecting part (31) around its periphery, and the guide channel is established on the upper surface of the personalized guide (3).

2. The guide plate for minimally invasive surgery according to claim 1, characterized in that, The first connecting part (11) includes a first magnetic block, and the second connecting part (21) includes a second magnetic block. The first magnetic block and the second magnetic block are magnetically connected.

3. A guide plate for minimally invasive surgery according to claim 2, characterized in that, The guide plate for minimally invasive surgery can be used in conjunction with a surgical drape. When in use, the surgical drape is located between the first connecting part (11) and the second connecting part (21) to isolate the standardized connector (2) and the personalized connector (1).

4. A guide plate for minimally invasive surgery according to any one of claims 1-3, characterized in that, The first assembly hole is provided on the top of the personalized custom part (1), and the standardized connector (2) is suitable for connecting to any one of the first assembly holes; And / or, The second assembly hole is provided on the top of the standardized connector (2), and the personalized guide (3) is suitable for connecting to any one of the second assembly holes.

5. A guide plate for minimally invasive surgery according to any one of claims 1-3, characterized in that, The guide channel is configured as a guide tube (32), and the guide tube (32) and the personalized guide component (3) are an integral structure or fixedly connected.

6. A guide plate for minimally invasive surgery according to any one of claims 1-3, characterized in that, The standardized connector (2) and the personalized guide (3) are both made of metal; the personalized custom part (1) is made of plastic.

7. A guide plate for minimally invasive surgery according to any one of claims 1-3, characterized in that, Both the personalized guide (3) and the personalized custom part (1) are made by 3D printing.

8. A method for preparing a guide plate, characterized in that, A guide plate for minimally invasive surgery according to any one of claims 1-7 includes the following steps: Personalized custom parts were created based on the three-dimensional data of the patient's target area (1); A personalized guide with a guiding channel was prepared based on the preoperatively planned implantation path (3); The standardized connector (2) and the personalized custom connector (1) are connected through the first connector (11) and the second connector (21); The personalized guide (3) is connected to the standardized connector (2) via a third connector (22) and a fourth connector (31).

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