Intelligent maxillary arch expander

Abstract

The application discloses an intelligent maxillary arch expander, which comprises a plurality of bases, automatic force adding devices arranged in the bases, dental side metal support pieces arranged on the two sides of the automatic force adding devices, and vertical adjusting mechanisms arranged on one side of the bases; universal connecting rods are arranged between the two bases; the vertical adjusting mechanism comprises a vertical guide rail, a connecting plate arranged on one side of the base and a positioning assembly arranged in the connecting plate; micro-implant nails are arranged on the two sides of the vertical guide rail, and the outer surface of the connecting plate is in sliding connection with the inner wall of the vertical guide rail. The application can automatically adjust the transverse arch expansion tension according to the oral structure of different patients and the different degrees of maxillary bone deformation, and can gradually adjust the position of the vertical dental side metal support piece, so that the orthodontic patient can gradually adapt to the adjustment process, and the process of correction is more comfortable. Compared with the traditional arch expander, the application is more intelligent, and the correction process is gradual.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of oral orthodontic medical devices, and particularly relates to an intelligent maxillary arch expander. BACKGROUND

[0002] Maxillary dental arch constriction is common in orthodontic patients. With the development of arch expansion technology, maxillary bone expansion technology is increasingly applied in clinical orthodontic treatment and achieves good results. However, due to the long treatment cycle of orthodontic patients, patient compliance and standard follow-up are still affected by uncontrollable factors.

[0003] The prior art CN 217488893 U discloses a customized bone expansion appliance, which comprises two orthodontic band ring retainers and an arch expansion screw, the two orthodontic band ring retainers are located on the opposite sides of the arch expansion screw, and further comprises a plurality of anchorage peg shoulder platforms, each anchorage peg shoulder platform is assembled on the side surface of the arch expansion screw, and each anchorage peg shoulder platform has a through hole for the anchorage peg to pass through, and a dental side metal support wire is arranged between the orthodontic band ring retainer and the arch expansion screw, one end of the dental side metal support wire is assembled on the orthodontic band ring retainer, and the other end is assembled on the arch expansion screw. Through the above technical solution, the problem that the existing bone expansion appliance cannot adjust the position and distance between the components according to the structure of the oral palate is solved.

[0004] However, the above prior art has the following problems:

[0005] (1) The single base and the dental side support wire at both ends are designed to expand synchronously, and cannot apply force according to the degree of constriction of the dental arch at both ends. Moreover, the relative positions of the dental side support wires at both ends are fixed, and cannot be adjusted after the arch expander is installed in the oral cavity. Therefore, the arch expander cannot fit the oral cavity well, and there are disadvantages in the treatment process.

[0006] (2) The force applying device is simple and inconvenient to operate, and requires repeated explanation and training. The operation is highly dependent on the patient or family members, and has low fault tolerance.

[0007] (3) The force applying time point reminding mechanism is primitive and relies on the doctor to manually remind based on the treatment plan.

[0008] (4) When the patient applies force by himself / herself, the doctor cannot obtain relevant treatment feedback information in the first time.

[0009] Therefore, it is necessary to provide an intelligent maxillary arch expander to solve the above technical problems. SUMMARY

[0010] The present application overcomes the shortcomings of the prior art and provides an intelligent maxillary arch expander.

[0011] To achieve the above object, the technical scheme adopted by the present application is as follows: an intelligent maxillary expander, comprising: a plurality of bases, an automatic force adding device arranged in the base, a dental side metal support arranged on both sides of the automatic force adding device, and a vertical adjusting mechanism arranged on one side of the base; a universal connecting rod is arranged between the two bases;

[0012] The vertical adjusting mechanism comprises: a vertical guide rail, a connecting plate arranged on one side of the base, and a positioning assembly arranged in the connecting plate; the two sides of the vertical guide rail are provided with micro-implant nails, and the outer surface of the connecting plate is in sliding connection with the inner wall of the vertical guide rail;

[0013] The automatic force adding device comprises: a control module, a data transmission module, a prompt unit, and a driving assembly arranged in the base; the control module, the data transmission module and the prompt unit are integrated on a circuit board, and the circuit board is arranged in the base; the control module is used for controlling the operation of the driving assembly;

[0014] The driving assembly comprises: a micro motor arranged in the base, an expander screw fixedly connected with the output end of the micro motor, and a plurality of expander nuts arranged on the outer surface of the expander screw; the expander screw is rotatably arranged in the base, the two ends of the expander screw are provided with threads in opposite directions, the expander nuts slide axially in the base, and the outer surface of the expander nuts is fixedly connected with the dental side metal support.

[0015] In a preferred embodiment of the present application, the two bases are symmetrically arranged, and the surface of the base is coated with a silver ion slow-release coating.

[0016] In a preferred embodiment of the present application, the inner wall of the vertical guide rail is provided with a plurality of positioning holes, the plurality of positioning holes are linearly arranged along the length direction of the vertical guide rail, the inside of the connecting plate is provided with a part slot, and the positioning assembly comprises: a plurality of jacks movably arranged in the part slot, and springs arranged between the jacks; the outer end of the jack extends to the outside of the connecting plate and is inserted into the inside of the positioning hole.

[0017] In a preferred embodiment of the present application, the two jacks are symmetrically arranged, the inner end surface of the jack is provided with a lever, the outer end of the lever extends to the outside of the part slot, and the lever is arranged perpendicularly to the jack.

[0018] In a preferred embodiment of the present application, the control module is built-in with a plurality of force adding step programs, each force adding step corresponds to different time nodes and force adding values, and is used for controlling the driving assembly to automatically execute force adding according to the time nodes.

[0019] In a preferred embodiment of the present application, after each force-adding operation is completed, the corresponding force-adding data is transmitted back to an externally arranged medical work terminal through a data transmission module, and the medical work terminal is used in cooperation with a software program to set a time node and a corresponding force-adding value scheme; the medical work terminal is provided with a data processing module, and the data processing module is used to generate an initial three-dimensional model from the oral scanning result.

[0020] In a preferred embodiment of the present application, a plurality of miniature cameras are arranged on the base, the miniature cameras are used to take photos in the oral cavity, and meanwhile cover the maxillary dental arch, the palate and other positions, and the picture data is transmitted to the medical work terminal through the data transmission module, the picture data is synthesized into a pseudo three-dimensional image by the data processing module of the medical work terminal, and the initial three-dimensional model, the pseudo three-dimensional image and the previous returned data are compared in the medical work terminal in terms of relevant specific angles and values, which are used for remote analysis or real-time adjustment of the force-adding value scheme by the doctor; the relevant specific angles and values are detection indexes set by the doctor.

[0021] In a preferred embodiment of the present application, the prompting unit is connected with the control module, and is used to issue an operation prompt sound, the operation prompt sound includes: a first prompt sound prompting the patient to take oral painkillers, a second prompt sound prompting force-adding after 2 minutes, and a third prompt sound prompting completion of the force-adding program, and there is also a prompt sound for force-adding failure.

[0022] In a preferred embodiment of the present application, an emergency stop assembly is arranged in the base, and the emergency stop assembly includes: a pressure sensor arranged in the base, an emergency stop unit, and a touch pressure switch; the emergency stop unit is connected with the automatic force-adding device, and is used to stop the automatic force-adding device when the value sensed by the pressure sensor is lower than or higher than a set tension interval, and transmit the related pressure data to the medical work terminal through the data transmission module; the touch pressure switch is connected with the emergency stop unit.

[0023] In a preferred embodiment of the present application, a rotating block is arranged in the middle of the expansion arch screw rod, a plurality of insertion holes are formed in the surface of the rotating block, and the rotating block is rotatably arranged in the interior of the base.

[0024] The present application solves the defects in the background art, and has the following beneficial effects:

[0025] (1) The intelligent maxillary expander provided by the application can automatically adjust the transverse expansion tension and gradually adjust the vertical upper dental metal support position according to the oral cavity structure of different patients and the different degrees of maxillary bone deformation, so that the orthodontic patient can gradually adapt to the adjustment process, and the process of correction is more comfortable.

[0026] (2) Two bases are arranged in the application, and a driving assembly and a dental metal support are arranged in each base, and the two bases are symmetrically arranged, so that the application can apply external force to the dental arches at both ends to assist expansion, compared with the design of the prior art of overall external expansion of a single base, the application expands the dental arches at both ends, which can be more balanced when correcting the narrow dental arch, and solves the problem that the synchronous expansion of the dental arches at both ends of different patients leads to excessive expansion of part of the dental arches, affecting the correction effect.

[0027] (3) The vertical adjusting mechanism is arranged on one side of the base, and the universal connecting rod is arranged between the two bases, so that the relative position between the two bases in the vertical direction can be adjusted, the application is more fitted to the patient's oral cavity, compared with the single base in the prior art which is fixed and cannot be adjusted in the vertical direction, the application can adjust the relative position between the two bases in the vertical direction, the two ends are more balanced, and the application provides more scientific external expansion force to the patient's dental arch, and the correction process is more comfortable.

[0028] (4) The application sets an automatic force adding device, which is connected to a medical work terminal system interaction program remotely, according to the time node and corresponding force adding value set by the medical work terminal software system scheme, each force adding step is triggered to indicate the micro motor to automatically execute force adding according to the time node, so as to realize accurate force adding of time and force adding value.

[0029] (5) The application sets an automatic force adding device, and remotely interacts with a medical work terminal, after each automatic force adding is executed, the related force adding data and picture data of the maxillary dental arch and the palate are transmitted to the medical work terminal, a pseudo three-dimensional image is synthesized, and the initial model data established by the initial diagnosis is compared in terms of specific angles and numerical values, and the previous returned data is compared, so as to facilitate the doctor to remotely analyze and decide whether to see a doctor according to the needs.

[0030] (6) The application sets an emergency stop assembly, when the value is lower than or higher than the set tension interval, the emergency stop device is triggered to work, in addition to this mechanism, the patient can actively stop the emergency stop according to the situation, the finger is vertically pressed on the base to complete the triggering, and the error information is returned to the medical work terminal system to issue an alarm, so as to facilitate the doctor to handle in time.

[0031] (7) The application is provided with a rotating block, the pin can be inserted into the insertion hole of the rotating block, the expansion arch screw is manually rotated, the automatic failure of the equipment is prevented, and the force operation is manually completed in the case of no reexamination. BRIEF DESCRIPTION OF DRAWINGS

[0032] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments described in the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0033] Figure 1 is a perspective view of a preferred embodiment of the present application;

[0034] Figure 2 is a single base perspective view of a preferred embodiment of the present application;

[0035] Figure 3 is a vertical adjustment mechanism front view of a preferred embodiment of the present application;

[0036] Figure 4 is a vertical top rod perspective view of a preferred embodiment of the present application;

[0037] Figure 5 is a vertical positioning hole position diagram of a preferred embodiment of the present application.

[0038] In the figure: 1, base; 2, automatic force adding device; 21, micro motor; 22, expansion arch screw; 23, expansion arch nut; 3, dental side metal support; 4, vertical adjustment mechanism; 41, vertical guide rail; 42, connecting plate; 43, positioning assembly; 431, top rod; 432, spring; 433, lever; 44, micro implant; 45, positioning hole; 46, part slot; 5, universal connecting rod; 6, micro camera; 7, rotating block; 8, insertion hole. DETAILED DESCRIPTION

[0039] The technical solutions in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0040] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, however, the present application can also be implemented in other ways different from those described herein, therefore, the protection scope of the present application is not limited by the specific embodiments disclosed below.

[0041] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the scope of protection of the present application.

[0042] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0043] As shown in Figure 1 The present application provides an intelligent maxillary expansion device, which comprises: a plurality of bases 1, an automatic force adding device 2 arranged in the base 1, a dental metal support 3 arranged on both sides of the automatic force adding device 2, and a vertical adjusting mechanism 4 arranged on one side of the base 1; two bases 1 are symmetrically arranged, and the surface of the base 1 is coated with a silver ion slow-release coating.

[0044] The end of the dental metal support 3 away from the base 1 is irregularly annular, and is sleeved on the teeth to be corrected, and the dental metal support 3 is customized according to the shape of the patient's teeth and the oral contour.

[0045] The surface of the base 1 is made of skin-friendly hydrophobic elastic material, and the surface of the base 1 is coated with a silver ion slow-release coating, so that the base 1 as a whole has good antibacterial and antifouling effects, providing additional protection and hygiene performance.

[0046] As shown in Figure 2 The driving assembly comprises: a micro motor 21 arranged in the base 1, an expansion screw 22 fixedly connected with the output end of the micro motor 21, and a plurality of expansion nuts 23 arranged on the outer surface of the expansion screw 22; the expansion screw 22 is rotatably arranged in the interior of the base 1, the two ends of the expansion screw 22 are provided with threads in opposite directions, the expansion nuts 23 slide axially in the interior of the base 1 along the expansion screw 22, and the outer surface of the expansion nuts 23 is fixedly connected with the dental metal support 3.

[0047] The two ends of the arch-expanding screw 22 are provided with threads in opposite directions, when the arch-expanding screw 22 rotates, the two arch-expanding nuts 23 move towards each other under the action of the opposite threads, the symmetry of the two dental side metal support members 3 can be maintained, and the upper dental arch can be gradually opened outwards, so that good effect can be achieved in clinical orthodontic treatment. The two bases 1 are arranged, and the driving assembly and the dental side metal support member 3 are arranged in each base 1, and the two bases 1 are symmetrically arranged, so that the two ends of the dental arch can be expanded by external force, compared with the design of the prior art that the whole base expands outwards, the two ends of the dental arch are expanded separately, so that the balance during treatment of the narrow dental arch can be improved, and the problem that the synchronous expansion of the dental arch causes excessive expansion of part of the dental arch and affects the treatment effect due to different degrees of narrow dental arch at the two ends of different patients can be solved.

[0048] In the embodiment, the middle part of the arch-expanding screw 22 is provided with a rotating block 7, and a plurality of insertion holes 8 are formed in the surface of the rotating block 7.

[0049] The rotating block 7 is fixedly connected with the arch-expanding screw 22, the insertion hole 8 of the insertion needle rotating block 7 is inserted, the arch-expanding screw 22 is manually rotated, the automatic failure of the equipment cannot be repaired, and the force operation can be manually completed.

[0050] As shown in Figures 2 to 5 The vertical adjusting mechanism 4 comprises a vertical guide rail 41, a connecting plate 42 arranged on one side of the base 1, and a positioning assembly 43 arranged in the connecting plate 42. The two sides of the vertical guide rail 41 are provided with micro-implant nails 44, the outer surface of the connecting plate 42 is in sliding connection with the inner wall of the vertical guide rail 41, a plurality of positioning holes 45 are formed in the inner wall of the vertical guide rail 41, the plurality of positioning holes 45 are linearly arranged along the length direction of the vertical guide rail 41, a part slot 46 is formed in the inner part of the connecting plate 42, the positioning assembly 43 comprises a plurality of top rods 431 movably arranged in the part slot 46 and a spring 432 arranged between the top rods 431. The outer end of the top rod 431 extends to the outside of the connecting plate 42 and is inserted into the inside of the positioning hole 45. The two top rods 431 are symmetrically arranged, the inner end surface of the top rod 431 is provided with a lever 433, the outer end of the lever 433 extends to the outside of the part slot 46, and the lever 433 is arranged perpendicularly to the top rod 431.

[0051] The universal connecting rod 5 is installed between the two bases 1 and is composed of two connecting rods and a universal joint between the two connecting rods.

[0052] The vertical guide rail 41 is fixed on the jaw bone by the micro-implant 44, acts as an anchorage for orthodontic treatment, can bear the reaction force caused by the movement of the teeth to be corrected, and can firmly pull the teeth to be moved to the appropriate position. The vertical guide rail 41 is vertically arranged in the oral cavity, and the connecting plate 42 moves along the length direction of the vertical guide rail 41 in the vertical guide rail 41.

[0053] The plurality of positioning holes 45 are linearly arranged, and the centers of the two positioning holes 45 are less than the diameter of the positioning hole 45, that is, the positioning holes 45 are communicated, so that the position adjustment of the top rod 431 is more accurate.

[0054] The spring 432 is arranged between the two top rods 431, and the spring 432 is in a contracted state by extruding the push rod 433 to extrude the two top rods 431, so as to control the extension and recovery of the top rod 431; the part slot 46 is provided with an opening on both sides of the connecting plate 42, and the outer ends of the two top rods 431 extend from the opening and enter the positioning hole 45. The diameter of the top rod 431 is less than the diameter of the positioning hole 45, and the top rod 431 is supported by the contact between the inner wall of the positioning hole 45 and the top rod 431, so as to control the position of the connecting plate 42 in the vertical guide rail 41 and the relative position between the two bases 1. The present application is more suitable for the oral cavity of the patient, and compared with the single base in the prior art, the relative position between the two bases can be adjusted in the vertical direction, the two ends are more balanced, and the dental arch of the patient is provided with more scientific expansion force, and the correction process is more comfortable.

[0055] As shown in Figure 2 , the automatic force adding device 2 comprises a control module, a data transmission module, a prompt unit, and a driving assembly arranged in the base 1; the control module is used for controlling the operation of the driving assembly; the control module is built-in with a plurality of force adding step programs, each force adding step corresponds to different time nodes and force adding values, and is used for controlling the driving assembly to automatically execute force adding according to the time nodes; the force adding step program is set by the medical work terminal with a software program.

[0056] The control module, the data transmission module and the prompt unit are integrated on a circuit board, and the circuit board is arranged in the base 1; the time nodes control the start and stop of the motor, and the data transmission and the sound prompt are prior art, which will not be described in detail here; the inside of the base 1 also needs to be provided with a power supply for providing power for the device, and the power supply needs to be waterproof.

[0057] The medical work terminal is a program displayed on the doctor's computer. The doctor sets the time node and force value of the force-adding operation in the program according to the treatment plan to control the operation of the driving assembly. The automatic force-adding device 2 is remotely connected to the program of the medical work terminal matching system, and the time node and corresponding force value are set according to the software system scheme of the medical work terminal. Each force-adding step is triggered by the time node to instruct the micro motor 21 to automatically execute force-adding, so as to realize accurate force-adding in terms of time and force value.

[0058] In this embodiment, after each force-adding operation is completed, the corresponding force-adding data is transmitted back to the medical work terminal through the data transmission module. The medical work terminal is provided with a data processing module for generating an initial three-dimensional model from the oral scan result. A plurality of micro cameras 6 are arranged on the base 1, which are used to take photos in the oral cavity, covering the maxillary dental arch, the palate and other positions, and transmit the picture data to the medical work terminal through the data transmission module. The medical work terminal synthesizes the picture data into a three-dimensional image through the data processing module, and compares the initial three-dimensional model, the three-dimensional image and the previous returned data in terms of relevant specific angles and values in the medical work terminal, which are used by the doctor to remotely analyze or real-time adjust the force-adding value scheme. The relevant specific angles and values are detection indexes set by the doctor.

[0059] The automatic force-adding device 2 and the medical work terminal remotely interact. After each automatic force-adding operation is completed, the related force-adding data, the force of the arch expansion, and the picture data of the maxillary dental arch, the palate and other positions taken by the micro camera 6 are transmitted back to the medical work terminal, synthesized into a three-dimensional image, and compared with the initial model data established by the initial diagnosis oral scan in terms of relevant specific angles and values set by the doctor as detection indexes, and compared with the previous returned data, which facilitates the doctor to remotely analyze whether the current treatment effect meets the treatment expectation, and decides whether to make an appointment for a face-to-face diagnosis according to the need.

[0060] In this embodiment, the prompting unit is connected with the control module and is used to issue an operation prompt sound. The operation prompt sound includes: a first prompt sound prompting the patient to take oral painkillers, a second prompt sound prompting force-adding after 2 minutes, and a third prompt sound prompting the completion of the force-adding program. There is also a prompt sound for force-adding failure. The time for the drug to take effect is reserved between the first and second prompt sounds. The prompt sounds before and after force-adding are set to allow the patient to be mentally prepared. The force-adding time point reminding mechanism is intelligent and no longer relies on the doctor to manually remind based on the treatment plan.

[0061] In the embodiment, the base 1 is provided with an emergency stop assembly, which comprises a pressure sensor arranged in the base 1, an emergency stop unit and a touch switch; the emergency stop unit is connected with the automatic force adding device 2, and is used for stopping the automatic force adding device 2 when the value sensed by the pressure sensor is lower than or higher than the set tension interval, and transmitting the related pressure data to the medical work end through the data transmission module; and the touch switch is connected with the emergency stop unit.

[0062] When the pressure value sensed by the pressure sensor is lower than or higher than the set tension interval, the emergency stop device is triggered to work, and in other sudden situations, the patient can actively stop the device by himself / herself, the finger is vertically pressed against the base 1 to trigger, and the error information is returned to the medical work end system to issue an alarm, so that the doctor can handle in time.

[0063] In use, firstly, the oral cavity of the patient is preliminarily scanned to obtain an initial three-dimensional model, the dental metal support 3 is customized according to the initial three-dimensional model, and the treatment scheme is customized according to the length and width of the maxillary dental arch, then the device is fixed in the oral cavity of the patient through the micro implant 44, the two vertical rails 41 are arranged in the appropriate positions, the push rod 433 is pressed inward, then the position of the connecting plate 42 in the vertical rail 41 is moved, the length support angle of the device to the maxillary dental arch in the longitudinal direction is adjusted, then the micro motor 21 is controlled to start and stop according to the treatment scheme, the micro motor 21 drives the expansion arch screw rod 22 to rotate, so that the expansion arch nuts 23 on both sides move outward at the same time, drive the dental metal support 3 to exert force on the width direction of the maxillary dental arch, and the treatment is performed.

[0064] The above is the ideal embodiment of the present application, and through the above description, the related personnel can make various changes and modifications without deviating from the technical idea of the present application. The technical scope of the present application is not limited to the contents in the specification, and must be determined according to the scope of claims.

Claims

1. An intelligent maxillary expander, comprising: A plurality of bases, an automatic force-applying device disposed within the bases, tooth-side metal supports disposed on both sides of the automatic force-applying device, and a vertical adjustment mechanism disposed on one side of the bases, characterized in that: a universal joint is disposed between two of the bases; The vertical adjustment mechanism includes: a vertical guide rail, a connecting plate disposed on one side of the base, and a positioning component disposed inside the connecting plate; micro-implant pins are disposed on both sides of the vertical guide rail, and the outer surface of the connecting plate is slidably connected to the inner wall of the vertical guide rail. The automatic force-applying device includes: a control module, a data transmission module, a prompting unit, and a drive assembly disposed inside the base; the control module is used to control the operation of the drive assembly. The drive assembly includes: a micro motor disposed within the base, an expanding screw fixedly connected to the output end of the micro motor, and a plurality of expanding nuts disposed on the outer surface of the expanding screw; the expanding screw is rotatably disposed inside the base, the two ends of the expanding screw are provided with threads of opposite directions, the expanding nuts slide along the axial direction of the expanding screw inside the base, and the outer surface of the expanding nuts is fixedly connected to the tooth side metal support.

2. The intelligent maxillary expander according to claim 1, characterized in that: The two bases are symmetrically arranged, and the surface of the bases is coated with a silver ion slow-release coating.

3. The intelligent maxillary expander according to claim 1, characterized in that: The inner wall of the vertical guide rail is provided with a plurality of positioning holes, which are arranged in a linear array along the length of the vertical guide rail. The connecting plate is provided with a part slot. The positioning assembly includes: a plurality of push rods movable inside the part slot, and a spring disposed between the push rods; the outer end of the push rod extends to the outside of the connecting plate and is inserted into the inside of the positioning hole.

4. The intelligent maxillary expander according to claim 3, characterized in that: The two push rods are symmetrically arranged, and a lever is provided on the inner end surface of the push rod. The outer end of the lever extends to the outside of the part groove, and the lever is arranged perpendicular to the push rod.

5. The intelligent maxillary expander according to claim 1, characterized in that: The control module has multiple built-in force-applying step programs, each corresponding to a different time node and force value, which are used to control the drive component to automatically execute force application according to the time point. The force-applying step program is set by an externally configured medical work terminal in conjunction with a software program to set the time node and corresponding force value scheme.

6. The intelligent maxillary expander according to claim 5, characterized in that: After each force application operation is completed, the corresponding force application data is transmitted back to the medical work terminal via the data transmission module; the medical work terminal is equipped with a data processing module, which is used to generate an initial three-dimensional model from the intraoral scan results.

7. The intelligent maxillary expander according to claim 6, characterized in that: The base is equipped with several miniature cameras for taking intraoral photographs, covering the maxillary dental arch and palate. The image data is transmitted to the medical workstation via the data transmission module. The medical workstation uses the data processing module to synthesize a pseudo-3D image from the image data. The initial 3D model, the pseudo-3D image, and the previously transmitted data are compared at specific angles and values ​​on the medical workstation for remote analysis or real-time adjustment of the force application scheme by the doctor. The specific angles and values ​​are the detection indicators set by the doctor.

8. The intelligent maxillary expander according to claim 1, characterized in that: The prompting unit is connected to the control module and is used to issue operation prompts. The operation prompts include: the first prompt prompts the patient to take analgesics orally, the second prompt prompts to increase the force after 2 minutes, the third prompt prompts that the force increase procedure is complete, and there is also a prompt if the force increase fails.

9. The intelligent maxillary expander according to claim 5, characterized in that: An emergency stop assembly is provided within the base. The emergency stop assembly includes a pressure sensor, an emergency stop unit, and a pressure switch, all located within the base. The emergency stop unit is connected to the automatic force application device and is used to stop the automatic force application device when the value sensed by the pressure sensor is lower or higher than a set tension range. The unit then transmits the relevant pressure data to the medical work terminal via the data transmission module. The pressure switch is connected to the emergency stop unit.

10. The intelligent maxillary expander according to claim 1, characterized in that: A rotating block is provided in the middle of the expanding screw, and several insertion holes are opened on the surface of the rotating block. The rotating block is rotatably disposed inside the base.

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