A combined positioning and correction device for orthognathic and orthodontic treatment

Abstract

This invention proposes a combined positioning and correction device for maxillofacial plastic surgery and orthodontics, comprising a fixed base plate, a positioning mechanism, and a traction mechanism. The positioning mechanism includes two fixed rods, two movable rods, two sets of adjustment components, and two sets of connecting components. The two fixed rods are symmetrically arranged on the fixed base plate; the two movable rods are respectively disposed within their corresponding fixed rods. This embodiment of the combined positioning and correction device for maxillofacial plastic surgery and orthodontics incorporates a traction mechanism. The adjustment seat drives the support rods to move synchronously, thereby creating multi-point synchronous traction and limiting of the jawbone, reducing the risk of postoperative jawbone misalignment and displacement. Simultaneously, the adjustment components utilize threaded rods to fine-tune the tension, facilitating the adjustment of the correction force according to the degree and differences in the patient's jawbone defects, avoiding excessive force causing jawbone damage or insufficient force affecting the correction effect.

Description

Technical Field

[0001] This invention relates to the field of oral and maxillofacial surgery, and more particularly to a combined positioning and correction device for maxillofacial plastic surgery and orthodontics. Background Technology

[0002] Mandibular contour defects are often caused by congenital developmental abnormalities. These deformities not only affect facial aesthetics and oral occlusion, but may also have a negative impact on a patient's psychological state. Therefore, for most patients with maxillofacial asymmetry and malocclusion, orthognathic surgery can effectively resolve their functional impairments and aesthetic defects.

[0003] Existing orthodontic and maxillofacial surgery combined positioning and correction devices typically employ a single positioning rod (or main support rod) with a few bone screw anchors. During installation, the rod is simply positioned and fixed along the mandibular contour to facilitate orthognathic treatment. However, the bone screw anchors only serve a connecting and fixing function and do not have active traction and tightening capabilities. After installation, positioning and fixation can only be achieved in one direction, making it impossible to simultaneously traction and correct multiple parts of the jawbone. If subjected to external forces such as collisions, bone segment displacement can easily occur, thereby affecting the correction effect and bone healing efficiency. Summary of the Invention

[0004] The present invention aims to at least partially solve one of the technical problems in the above-mentioned technologies.

[0005] Therefore, one objective of this invention is to propose a combined positioning and correction device for maxillofacial plastic surgery and oral orthodontics, which can achieve multi-point synchronous traction and positioning of the jawbone, while also being able to fine-tune the tightening force, thereby reducing the risk of postoperative jawbone misalignment or displacement, avoiding jawbone damage due to excessive correction force, and preventing the overall correction effect from being affected by insufficient correction force.

[0006] To achieve the above objectives, the first aspect of the present invention provides a combined positioning and correction device for maxillofacial plastic surgery and orthodontics, comprising a fixed base plate, a positioning mechanism, and a traction mechanism. The positioning mechanism includes two fixed rods, two movable rods, two sets of adjustment components, and two sets of connecting components. The two fixed rods are symmetrically arranged on the fixed base plate. The two movable rods are respectively disposed within corresponding fixed rods, with one end of each movable rod extending through and beyond the end of its corresponding fixed rod. The two sets of adjustment components are respectively disposed within corresponding fixed rods and are respectively connected to the two movable rods. The two sets of connecting components are respectively disposed at the extended ends of the corresponding two movable rods. The traction mechanism is movably connected within the adjustment components.

[0007] In addition, the maxillofacial plastic surgery and orthodontic combined positioning and correction device proposed according to the present invention may also have the following additional technical features:

[0008] Specifically, the fixed base plate is symmetrically provided with two arc-shaped grooves, and each of the two arc-shaped grooves is provided with a first bone nail for connecting the defective bone.

[0009] Specifically, the adjusting assembly includes an abutment plate, an elastic element, a pull rod, and a threaded rod. The abutment plate is movably connected to the movable rod; the elastic element is sleeved on the outside of the movable rod; the pull rod is movably connected inside the movable rod and is connected to the abutment plate, with one end of the pull rod extending through the movable rod away from the abutment plate; the threaded rod is movably connected to the fixed rod, with one end of the threaded rod extending through the fixed rod and connected to the pull rod.

[0010] Specifically, the movable rod is provided with a protrusion, one end of which abuts against the elastic element, and the other end of the elastic element abuts against the contact plate.

[0011] Specifically, the elastic element is a spring.

[0012] Specifically, the connecting assembly includes a pressure plate and a first stud, wherein the pressure plate is sleeved on the outside of the extended end of the movable rod; the first stud is threadedly connected to the pressure plate, and one end of the first stud extends into the pressure plate and abuts against the movable rod.

[0013] Specifically, the pressure plate is symmetrically provided with two first through holes, and each of the two first through holes is provided with a third bone nail for connecting the jawbone body.

[0014] Specifically, the pulling mechanism includes a connecting rod, an adjusting seat, and two supporting rods. The connecting rod is disposed inside the movable rod, one end of which is connected to the pull rod, and the end of the connecting rod away from the pull rod extends through the movable rod. The adjusting seat is sleeved on the extended end of the connecting rod. The two supporting rods are symmetrically disposed at both ends of the adjusting seat, and one end of each supporting rod is respectively connected to both ends of the pressure plate.

[0015] Specifically, the adjusting seat has a connecting hole, and a second stud is provided in the connecting hole, with one end of the second stud abutting against the connecting rod.

[0016] Specifically, the support rod has a second through hole at one end away from the adjustment seat, and a second bone screw for connecting the defective bone is provided in the second through hole.

[0017] Compared with the prior art, the present invention has the following beneficial effects: The maxillofacial plastic surgery and oral orthodontic combined positioning and correction device of the present invention, by setting up a traction mechanism, can use the adjustment seat to drive the support rod to move synchronously, thereby forming multi-point synchronous traction and limitation on the jawbone, reducing the risk of postoperative jawbone misalignment and displacement. At the same time, with the adjustment component, the threaded rod can realize the fine adjustment of the tension force, which makes it easy to adjust the magnitude of the correction force according to the degree and difference of the patient's jawbone defect, avoiding excessive correction force causing jawbone damage and insufficient force affecting the correction effect.

[0018] Additional aspects and advantages of the invention 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 the invention. Attached Figure Description

[0019] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the following description of the embodiments taken in conjunction with the accompanying drawings, wherein:

[0020] Figure 1 This is a schematic diagram of the structure of a combined maxillofacial plastic surgery and orthodontic positioning and correction device after installation, according to an embodiment of the present invention;

[0021] Figure 2 This is a frontal structural diagram of a combined maxillofacial plastic surgery and orthodontic positioning and correction device according to an embodiment of the present invention;

[0022] Figure 3 This is a schematic diagram of the overall structure of the adjustment component of a combined positioning and correction device for maxillofacial plastic surgery and orthodontics according to an embodiment of the present invention;

[0023] Figure 4 This is a schematic diagram of the main sectional structure of a combined maxillofacial plastic surgery and orthodontic positioning and correction device according to an embodiment of the present invention;

[0024] Figure 5 This is a schematic diagram of the main sectional structure of a combined maxillofacial plastic surgery and orthodontic positioning and correction device according to an embodiment of the present invention;

[0025] Figure 6 for Figure 4 Enlarged structural diagram at point A in the middle;

[0026] Figure 7 This is a schematic diagram of the overall structure of a connecting component of a combined maxillofacial plastic surgery and orthodontic positioning and correction device according to an embodiment of the present invention;

[0027] Figure 8 This is a schematic diagram of the unfolded structure of a combined maxillofacial plastic surgery and orthodontic positioning and correction device according to an embodiment of the present invention.

[0028] Reference numerals: 1. Fixed base plate; 11. Arc groove; 12. First bone nail; 2. Positioning mechanism; 21. Fixed rod; 22. Movable rod; 221. Protrusion; 23. Adjustment assembly; 231. Contact plate; 232. Elastic element; 233. Pull rod; 234. Threaded rod; 24. Connecting assembly; 241. Pressure plate; 2411. First through hole; 2412. Third bone nail; 242. First stud; 3. Pulling mechanism; 31. Connecting rod; 32. Adjustment seat; 321. Connecting hole; 322. Second stud; 33. Support rod; 331. Second through hole; 332. Second bone nail. Detailed Implementation

[0029] Embodiments of the present invention are described in detail below. Examples of these embodiments are illustrated in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0030] The following description, with reference to the accompanying drawings, describes an embodiment of the present invention of a combined maxillofacial plastic surgery and orthodontic positioning and correction device.

[0031] like Figures 1-8 As shown, an embodiment of the present invention provides a combined positioning and correction device for maxillofacial plastic surgery and orthodontics, which may include a fixed base plate 1, a positioning mechanism 2, and a traction mechanism 3.

[0032] It should be noted that the fixing base plate 1 described in this embodiment is made of medical-grade titanium alloy, which has good corrosion resistance and structural strength. At the same time, the edges of the fixing base plate 1 are rounded to avoid sharp edges, prevent the device from scratching or damaging the surrounding soft tissue during wearing and correction, and better adapt to the use needs of combined maxillofacial plastic surgery and oral orthodontics.

[0033] The positioning mechanism 2 includes two fixed rods 21, two movable rods 22, two sets of adjusting components 23, and two sets of connecting components 24. The two fixed rods 21 are symmetrically arranged on the fixed base plate 1. The two movable rods 22 are respectively arranged inside the corresponding fixed rods 21, and one end of each movable rod 22 extends through the end of the corresponding fixed rod 21. The two sets of adjusting components 23 are respectively arranged inside the corresponding fixed rods 21, and the two sets of adjusting components 23 are respectively connected to the two movable rods 22. The two sets of connecting components 24 are respectively arranged at the extended ends of the corresponding two movable rods 22. The pulling mechanism 3 is movably connected to the adjusting components 23.

[0034] It should be noted that the movable rod 22 and the fixed rod 21 described in this embodiment are assembled with a clearance fit to ensure that the movable rod 22 can slide back and forth along the axial direction of the fixed rod 21. Furthermore, the movable rod 22 can cooperate with the adjustment component 23 to adjust the orthodontic tension, thereby meeting the orthodontic needs of different patients in maxillofacial plastic surgery and oral orthodontics.

[0035] Specifically, during the surgery, the patient is placed in a supine position. After general anesthesia, the patient's facial skin and subcutaneous tissue are cut layer by layer along the pre-set surgical incision. The tissue in the surgical area is dissected to fully expose the damaged jawbone. The damaged jawbone is then repositioned and sutured using fixation pins (not shown in the diagram). At this point, the fixation base plate 1 is attached and fixed to the damaged area of ​​the jawbone to achieve overall fixation of the device. Simultaneously, the positioning mechanism 2 is connected and fixed to both ends of the jawbone. By operating the adjustment component 23, it works in coordination with the positioning mechanism 2 to adjust the magnitude of the corrective tension, so as to adapt to the different correction needs of different patients with varying degrees of jawbone damage and deformity types.

[0036] At the same time, the traction mechanism 3 works in conjunction with the adjustment component 23 to perform multi-point synchronous tightening of the jawbone body, limiting the displacement or shifting of the jawbone body due to insecure suturing during the correction process. This allows the fixation base plate 1, positioning mechanism 2, traction mechanism 3, and the repositioned jawbone body to form a stable overall structure, reducing the risk of postoperative jawbone displacement, which in turn helps promote postoperative recovery and improves the treatment effect of correction.

[0037] In one embodiment of the present invention, such as Figure 8 As shown, two arc-shaped grooves 11 are symmetrically arranged on the fixed base plate 1, and the two arc-shaped grooves 11 are respectively provided with first bone nails 12 for connecting the defective bone.

[0038] It should be noted that the width of the arc groove 11 described in this embodiment matches the outer diameter of the nut of the first bone screw 12, and the depth of the arc groove 11 is slightly greater than the thickness of the nut of the first bone screw 12, so as to prevent the nut of the first bone screw 12 from protruding from the surface of the fixing base plate 1 and to prevent scratching the soft tissue of the maxillofacial region.

[0039] Specifically, firstly, spiral CT scanning technology is used to scan and image the patient's jawbone on the defective side, obtaining three-dimensional morphological data and spatial positional relationships of the jawbone body and the defective bone, providing data support for subsequent device assembly and fixation. Furthermore, based on the three-dimensional data obtained from the scan, combined with the thickness, size, and fixation requirements of the defective bone, a first bone screw 12 of appropriate length and specifications is selected to ensure that the first bone screw 12 can meet the connection requirements between the fixation base plate 1 and the defective bone. Further, the fixation base plate 1 is fitted and placed on the surface of the defective bone. At this time, the first bone screw 12 penetrates the arc-shaped groove 11 on the fixation base plate 1 and is implanted into the defective bone, locking the fixation base plate 1 in the preset position of the defective bone, providing a support basis for the positioning, traction, and correction operations of the entire device.

[0040] In one embodiment of the present invention, such as Figure 2 and Figure 3 As shown, the adjustment assembly 23 includes a contact plate 231, an elastic element 232, a pull rod 233, and a threaded rod 234. The contact plate 231 is movably connected to the movable rod 22. The elastic element 232 is sleeved on the outside of the movable rod 22. The pull rod 233 is movably connected inside the movable rod 22 and is connected to the contact plate 231. One end of the pull rod 233, away from the contact plate 231, extends through the movable rod 22. The threaded rod 234 is movably connected to the fixed rod 21 and one end of the threaded rod 234 extends through the fixed rod 21 and is connected to the pull rod 233.

[0041] It should be noted that the contact plate 231 described in this embodiment can move along the axial direction of the movable rod 22. At the same time, the pull rod 233 is in clearance fit with the movable rod 22, and its connection with the contact plate 231 is a rigid connection, which can synchronously drive the contact plate 231 to move, thereby realizing the transmission of force.

[0042] Additionally, it should be noted that the threaded rod 234 and the fixed rod 21 described in this embodiment are connected by threads. By turning the threaded rod 234, the pull rod 233 can be driven to move along the axis of the movable rod 22. Then, through the reaction force of the elastic element 232, the movable rod 22 is driven to extend and retract within the fixed rod 21, thereby realizing the controllable adjustment of the corrective tension.

[0043] In one embodiment of the present invention, such as Figure 5 As shown, a protrusion 221 is provided on the movable rod 22. One end of the protrusion 221 abuts against the elastic member 232, and the other end of the elastic member 232 abuts against the contact plate 231.

[0044] It should be noted that the protrusion 221 and the movable rod 22 described in this embodiment are integrally formed structures with high structural strength, making them less prone to breakage or detachment. They can provide a stable contact support point for the elastic element 232. At the same time, the size of the protrusion 221 is adapted to the inner diameter of the elastic element 232, ensuring that the elastic element 232 and the protrusion 221 fit tightly together, preventing the elastic element 232 from shifting or slipping during the force process.

[0045] In one embodiment of the present invention, such as Figure 5 As shown, the elastic element 232 is a spring.

[0046] It should be noted that the elastic element 232 described in this embodiment has excellent fatigue resistance and stable elastic deformation characteristics. It can continuously provide elastic tension during the extension and retraction adjustment of the movable rod 22 and the control of the corrective tension force. Through the transmission of the protrusion 221 and the contact plate 231, the elastic tension force is applied to the movable rod 22 and then transmitted to the connecting component 24 and the jawbone body. The jawbone body is tightly fixed and combined to form an integral structure, which avoids displacement and loosening of the jawbone body during the correction process, ensures the stability of the correction positioning, and provides reliable support for jawbone healing.

[0047] Specifically, during the operation, after the fixed base plate 1 and the connecting component 24 are installed in place, the threaded rod 234 is screwed on, and the threaded connection between the threaded rod 234 and the pull rod 233 is used to drive the pull rod 233 to move along the axis of the movable rod 22. When the pull rod 233 moves, it will drive the abutment plate 231 to move, which will then compress the elastic element 232 sleeved on the outside of the movable rod 22, causing the elastic element 232 to undergo elastic deformation and generate a reaction force. At this time, the reaction force generated by the elastic element 232 is transmitted to the connecting component 24 through the abutment plate 231 and the movable rod 22, so as to realize the controllable adjustment of the corrective tension.

[0048] During this process, the traction mechanism 3 and the adjustment component 23 work together to further fix the position of the jawbone body through multi-point force balance, ensuring that the jawbone body is in the preset correction position, reducing the risk of jawbone displacement, and improving the treatment effect of correction.

[0049] In one embodiment of the present invention, such as Figure 6 and Figure 7 As shown, the connecting assembly 24 includes a pressure plate 241 and a first stud 242. The pressure plate 241 is sleeved on the outside of the extended end of the movable rod 22, and the first stud 242 is threaded onto the pressure plate 241. One end of the first stud 242 extends into the pressure plate 241 and abuts against the movable rod 22.

[0050] It should be noted that the pressure plate 241 described in this embodiment can be finely adjusted on the outside of the extended end of the movable rod 22 to adjust the installation point according to the anatomical structure of the patient's jawbone. By tightening the first stud 242, the end of the first stud 242 can be tightly pressed against the outer wall of the movable rod 22, thereby achieving locking and fixing between the pressure plate 241 and the movable rod 22, preventing the pressure plate 241 from slipping and rotating during the force process, and ensuring the integrity and stability of the assembly of the connecting component 24.

[0051] Specifically, after the base plate 1 is fixed to the corresponding jawbone, the pressure plate 241 is first placed on the protruding end of the movable rod 22. According to the actual position of the patient's jawbone and the correction requirements, the position of the pressure plate 241 is adjusted to ensure that the pressure plate 241 can fit the surface of the jawbone to be corrected. After the adjustment is completed, the first stud 242 is tightened. The locking force of the threaded connection is used to make the end of the first stud 242 press tightly against the outer wall of the movable rod 22, thereby fixing the pressure plate 241 to the movable rod 22 and preventing the pressure plate 241 from shifting when subjected to force.

[0052] When the adjusting component 23 drives the movable rod 22 to extend or retract, the pressure plate 241 will move synchronously with the movable rod 22. At this time, the first stud 242 always remains in a tight state against the movable rod 22, ensuring the connection stability between the pressure plate 241 and the movable rod 22, thereby evenly transmitting the corrective force transmitted by the movable rod 22 to the jawbone, and realizing the fixation and correction of the jawbone.

[0053] In one embodiment of the present invention, such as Figure 6 and Figure 7 As shown, two first through holes 2411 are symmetrically arranged on the pressure plate 241, and a third bone nail 2412 for connecting the jawbone body is respectively arranged in the two first through holes 2411.

[0054] It should be noted that the diameter of the first through hole 2411 described in this embodiment is adapted to the outer diameter of the rod of the third bone screw 2412, ensuring that the third bone screw 2412 can penetrate the first through hole 2411 and be implanted into the jawbone body. At the same time, the depth of the first through hole 2411 is slightly greater than the thickness of the nut of the third bone screw 2412, so as to prevent the nut of the third bone screw 2412 from protruding from the surface of the pressure plate 241 and to prevent scratching the soft tissue of the maxillofacial region.

[0055] Specifically, after the pressure plate 241 is locked and fixed to the movable rod 22 by the first stud 242 and the position of the pressure plate 241 is adjusted to a preset position that fits the surface of the jawbone body, the third bone nail 2412 is inserted through the first through hole 2411 and implanted into the jawbone body to achieve a rigid connection between the pressure plate 241 and the jawbone body.

[0056] In one embodiment of the present invention, such as Figure 6 and Figure 7As shown, the pulling mechanism 3 includes a connecting rod 31, an adjusting seat 32, and two support rods 33. The connecting rod 31 is disposed inside the movable rod 22, one end of which is connected to the pull rod 233, and the end of the connecting rod 31 away from the pull rod 233 extends through the movable rod 22. The adjusting seat 32 is sleeved on the extended end of the connecting rod 31. The two support rods 33 are symmetrically disposed at both ends of the adjusting seat 32, and one end of each support rod 33 is respectively connected to both ends of the pressure plate 241.

[0057] It should be noted that the connecting rod 31 described in this embodiment is fixedly connected to the pull rod 233 and can move synchronously with the pull rod 233.

[0058] In one embodiment of the present invention, such as Figure 1 As shown, the adjusting seat 32 has a connecting hole 321, and a second stud 322 is provided in the connecting hole 321. One end of the second stud 322 abuts against the connecting rod 31.

[0059] It should be noted that the connecting hole 321 and the second stud 322 described in this embodiment are connected by threads to ensure that the second stud 322 can abut against the connecting rod 31 after being screwed in, so as to avoid misalignment and loose abutment.

[0060] In one embodiment of the present invention, such as Figure 8 As shown, the end of the support rod 33 away from the adjusting seat 32 has a second through hole 331, and a second bone nail 332 for connecting the defective bone is provided in the second through hole 331.

[0061] It should be noted that the second through hole 331 described in this embodiment is adapted to the size of the second bone nail 332, and its tip can be implanted into the bone of the jawbone to achieve a firm connection between the support rod 33 and the jawbone.

[0062] Specifically, firstly, the adjusting seat 32 is fitted onto the extended end of the connecting rod 31. Utilizing the threaded connection between the connecting hole 321 and the second stud 322, the second stud 322 is tightened, so that one end of the second stud 322 is tightly abutted against the outer wall of the connecting rod 31. This achieves a secure locking and fixing of the adjusting seat 32 and the connecting rod 31, preventing loosening or displacement between the adjusting seat 32 and the connecting rod 31 during adjustment and pulling, and ensuring the synchronicity of their linkage.

[0063] Furthermore, the end of the support rod 33 away from the adjustment seat 32 is connected to the jawbone defect through the second bone nail 332 in the second through hole 331, ensuring that the second bone nail 332 can be implanted into the jawbone bone, thereby achieving reliable fixation between the support rod 33 and the jawbone body, and providing a basis for the subsequent transmission of traction force.

[0064] When the adjusting component 23 drives the movable rod 22 to extend or retract along the axis of the fixed rod 21, the connecting rod 31, which is fixedly connected to the inner pull rod 233 of the movable rod 22, will move synchronously with the pull rod 233, thereby driving the adjusting seat 32, which is locked and fixed thereto, to move synchronously. During the movement of the adjusting seat 32, it will drive the two support rods 33, which are symmetrically arranged at both ends, to rotate around the connection point between the adjusting seat 32 and the support rod 33. Since the end of the support rod 33 away from the adjusting seat 32 is firmly connected to the jawbone body through the second bone nail 332, it will generate a traction force on the jawbone defect during its rotation, thereby cooperating with the positioning mechanism 2 to achieve multi-point correction and fixation of the jawbone.

[0065] In summary, the maxillofacial plastic surgery and orthodontic combined positioning and correction device of the present invention, by setting up a traction mechanism, can use the adjustment seat to drive the support rod to move synchronously, thereby forming multi-point synchronous traction and limitation on the jawbone, reducing the risk of postoperative jawbone misalignment and displacement. At the same time, with the adjustment component, the threaded rod can realize the fine adjustment of the tension force, which makes it easy to adjust the magnitude of the correction force according to the degree and difference of the patient's jawbone defects, avoiding excessive correction force causing jawbone damage and insufficient force affecting the correction effect.

[0066] In the description of this specification, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0067] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0068] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A combined positioning and correction device for maxillofacial plastic surgery and orthodontics, characterized in that, include: The system consists of a fixed base plate, a positioning mechanism, and a traction mechanism. The positioning mechanism includes two fixed rods, two movable rods, two sets of adjusting components, and two sets of connecting components, wherein... The two fixing rods are symmetrically arranged on the fixing base plate; The two movable rods are respectively disposed inside the corresponding fixed rods, and one end of each of the two movable rods extends through and out of the end of the corresponding fixed rod; The two sets of adjustment components are respectively installed in the corresponding fixed rods, and the two sets of adjustment components are respectively connected to the two movable rods. The two sets of connecting components are respectively disposed at the extended ends of the corresponding two movable rods; The traction mechanism is movably connected within the adjustment assembly.

2. The combined positioning and correction device for maxillofacial plastic surgery and orthodontics according to claim 1, characterized in that, The fixed base plate is symmetrically provided with two arc-shaped grooves, and each of the two arc-shaped grooves is provided with a first bone nail for connecting the defective bone.

3. The combined positioning and correction device for maxillofacial plastic surgery and orthodontics according to claim 2, characterized in that, The adjusting assembly includes an abutment plate, an elastic element, a pull rod, and a threaded rod, wherein, The contact plate is movably connected to the movable rod; The elastic element is sleeved on the outside of the movable rod; The pull rod is movably connected inside the movable rod, the pull rod is connected to the abutment plate, and the end of the pull rod away from the abutment plate extends through the movable rod; The threaded rod is movably connected to the fixed rod, and one end of the threaded rod extends through the fixed rod and is connected to the pull rod.

4. The combined positioning and correction device for maxillofacial plastic surgery and orthodontics according to claim 3, characterized in that, The movable rod is provided with a protrusion, one end of which abuts against the elastic element, and the other end of the elastic element abuts against the contact plate.

5. The combined positioning and correction device for maxillofacial plastic surgery and orthodontics according to claim 4, characterized in that, The elastic element is a spring.

6. The combined positioning and correction device for maxillofacial plastic surgery and orthodontics according to claim 5, characterized in that, The connecting assembly includes a pressure plate and a first stud, wherein... The pressure plate is sleeved on the outside of the extended end of the movable rod; The first stud is threaded onto the pressure plate, and one end of the first stud extends into the pressure plate and abuts against the movable rod.

7. The combined positioning and correction device for maxillofacial plastic surgery and orthodontics according to claim 6, characterized in that, The pressure plate is symmetrically provided with two first through holes, and each of the two first through holes is provided with a third bone nail for connecting the jawbone body.

8. The combined positioning and correction device for maxillofacial plastic surgery and orthodontics according to claim 7, characterized in that, The traction mechanism includes a connecting rod, an adjusting seat, and two support rods, wherein, The connecting rod is disposed inside the movable rod, one end of the connecting rod is connected to the pull rod, and the end of the connecting rod away from the pull rod extends through and out of the movable rod; The adjusting seat is sleeved on the extended end of the connecting rod; The two support rods are symmetrically arranged at both ends of the adjusting seat, and one end of each support rod is connected to one end of the pressure plate.

9. The combined positioning and correction device for maxillofacial plastic surgery and orthodontics according to claim 8, characterized in that, The adjusting seat has a connecting hole, and a second stud is provided in the connecting hole, with one end of the second stud abutting against the connecting rod.

10. The combined positioning and correction device for maxillofacial plastic surgery and orthodontics according to claim 9, characterized in that, The support rod has a second through hole at one end away from the adjustment seat, and a second bone screw for connecting the defective bone is provided in the second through hole.

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