Omni-adjustable extra-oral orthodontic device

By designing an adjustable extraoral orthodontic device, the problems of discomfort and reduced treatment effectiveness caused by fixed-size devices have been solved. This allows for personalized adjustments based on the patient's facial shape, improving wearing comfort and treatment outcomes.

CN224584882UActive Publication Date: 2026-08-04CHANGSHA TIANTIAN DENTAL EQUIP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHANGSHA TIANTIAN DENTAL EQUIP CO LTD
Filing Date
2025-09-03
Publication Date
2026-08-04

AI Technical Summary

Technical Problem

Existing maxillofacial orthodontic devices are fixed in size and cannot be adjusted according to the size of the patient's face, resulting in discomfort and reduced treatment effectiveness.

Method used

A fully adjustable extraoral orthodontic device was designed. By adjusting the pull rod, movable rod and traction rod, and fixing it with fixed holes and screws on the connecting post, it can adapt to the patient's face shape and achieve the adjustability of the device.

Benefits of technology

It improves patient comfort and treatment effectiveness, as the device better adapts to the patient's face shape, increasing the adaptability and effectiveness of the treatment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a jaw outside correcting device of all -round adjustable, include: draw bar, the draw bar symmetry is provided with two, movable rod, movable rod set up between the draw bar, the both ends outside slide of movable rod is provided with connecting column, the outside slide of connecting column is provided with traction rod in the draw bar, the outside of connecting column is through and is provided with traction rod and slides, and the draw bar and movable rod are perpendicular state, through the setting of connecting column, the outside of connecting column is provided with first fixed hole, second fixed hole and third fixed hole, can make screw spin into all, and fixed adjusting after draw bar, movable rod and traction rod, thereby make the device adjust size according to the face shape of patient, make the device more suitable for the face shape use of patient, can make patient wear more comfortable, can also reach better therapeutic effect.
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Description

Technical Field

[0001] This utility model relates to the field of dental medical device technology, and in particular to a fully adjustable extraoral orthodontic device. Background Technology

[0002] External orthodontic appliances are specialized instruments used in the field of orthodontics to assist in adjusting the position of the jawbone, improving the relationship between the maxillofacial bones and the occlusal function of the teeth. Their core function is to guide the jawbone (such as the maxilla and mandible) to grow or move according to the treatment goal by applying controllable external force, while cooperating with orthodontic treatment, to ultimately achieve the coordination of maxillofacial morphology and function.

[0003] However, current maxillofacial orthodontic devices are generally of a fixed size and cannot be adjusted according to the size of the patient's face, which makes them very uncomfortable for some patients and reduces the effectiveness of treatment. Utility Model Content

[0004] This invention provides a fully adjustable extraoral orthodontic device. By adjusting the pull rod, movable rod, and traction rod, the device can be adjusted to fit the patient's face shape, making it more comfortable for the patient and achieving better treatment results.

[0005] This utility model provides a fully adjustable extraoral orthodontic device, comprising:

[0006] Two tie rods are symmetrically arranged.

[0007] A movable rod is disposed between the pull rods, and connecting posts are slidably disposed on the outer sides of both ends of the movable rod, the connecting posts being slidably disposed on the outer sides of the pull rods;

[0008] A traction rod is slidably provided through the outside of the connecting column, and the traction rod is perpendicular to the pull rod and the movable rod;

[0009] The connecting column has a first fixed hole and a second fixed hole symmetrically opened on its outer side, and a third fixed hole is also opened on its outer side. The third fixed hole is perpendicular to the traction rod. The pull rod, movable rod and traction rod can all be fixed to the connecting column by screws.

[0010] In a fully adjustable extraoral orthodontic device according to one embodiment of the present invention, a forehead pad is provided at one end of the pull rod that is close to each other. The forehead pad is arc-shaped, and a fixing block is symmetrically fixed on the outer side of the forehead pad. The fixing block is fixed on the outer side of the end of the pull rod, and the forehead pad is used to fit the patient's forehead.

[0011] In a fully adjustable extraoral orthodontic device according to one embodiment of the present invention, a chin support is fixedly provided on the outer side of the movable rod. The chin support is used to support the patient's chin and is made of elastic rubber material.

[0012] In a fully adjustable extraoral orthodontic device according to one embodiment of the present invention, a traction rod is fixedly provided on the outer side of the connecting post, and a traction post is symmetrically slidably provided on the outer side of the traction rod. The traction post can be fixed to the outer side of the traction rod by screws.

[0013] In a fully adjustable maxillary orthodontic device according to one embodiment of the present invention, a locking strap is fixedly provided on the outer side of the pull rod. The locking strap is made of elastic rubber material and can be fitted onto the back of the patient's head.

[0014] The technical solution provided in this application embodiment may include the following beneficial effects: This application designs a fully adjustable extraoral orthodontic device. Through the setting of the connecting column, the outer side of the connecting column is provided with a first fixed hole, a second fixed hole and a third fixed hole, all of which allow screws to be screwed in and fixed after adjustment of the pull rod, movable rod and traction rod. Thus, the device can be adjusted in size according to the patient's face shape, making the device more suitable for the patient's face shape, which can not only make the patient more comfortable to wear, but also achieve better treatment results.

[0015] It should be understood that the above general description and the following detailed description are exemplary and explanatory only, and do not limit this application. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a three-dimensional structural diagram of a fully adjustable extraoral orthodontic device provided in one embodiment of this application;

[0018] Figure 2 This is a front view structural schematic diagram of a fully adjustable extraoral orthodontic device provided in one embodiment of this application;

[0019] Figure 3 This is a schematic diagram of the structure of a fully adjustable extraoral orthodontic device provided in an embodiment of this application, showing the connection of the tie rod, movable rod, traction rod and connecting column from any angle.

[0020] Figure 4This is a front-to-back axonometric three-dimensional structural diagram of an all-around adjustable extraoral orthodontic device provided in one embodiment of this application.

[0021] Reference numerals in the attached diagram: 1. Pull rod; 2. Forehead pad; 3. Fixing block; 4. Movable rod; 5. Chin pocket; 6. Traction rod; 7. Traction column; 8. Connecting column; 801. First fixed hole; 802. Second fixed hole; 803. Third fixed hole; 9. Locking strap. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0023] In the description of this application, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Furthermore, 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, features defined with "first" and "second" may explicitly or implicitly include one or more of the stated features. In the description of this application, "a plurality of" means two or more, unless otherwise explicitly specified.

[0024] The following detailed description of some embodiments of this application is provided in conjunction with the accompanying drawings. Unless otherwise specified, the following embodiments and features can be combined with each other.

[0025] like Figures 1 to 4As shown, this application provides a fully adjustable extraoral orthodontic device, including: a pull rod 1, two pull rods symmetrically arranged, a movable rod 4, the movable rod 4 being disposed between the pull rods 1, a connecting post 8 slidably disposed on the outer side of both ends of the movable rod 4, the connecting post 8 being slidably disposed on the outer side of the pull rod 1, a traction rod 6 being slidably disposed through and on the outer side of the connecting post 8, the traction rod 6 being perpendicular to the pull rod 1 and the movable rod 4, a first fixed hole 801 and a second fixed hole 802 symmetrically opened on the outer side of the connecting post 8, a third fixed hole 803 also being opened on the outer side of the connecting post 8, the third fixed hole 803 being perpendicular to the traction rod 6, and the pull rod 1, the movable rod 4 and the traction rod 6 being fixed to the connecting post 8 by screws.

[0026] After adopting the above technical solution, when the total length of the distance between the pull rod 1 and the movable rod 4 is adjusted to suit the patient's face shape, the screws in the first fixed hole 801 and the second fixed hole 802 can be removed, and then the pull rod 1 and the movable rod 4 can be pulled respectively. Then, the screws screwed into the first fixed hole 801 and the second fixed hole 802 can be used to press against the pull rod 1 and the movable rod 4 to fix the adjusted pull rod 1 and the movable rod 4. Alternatively, the pull rod 1 or the movable rod 4 can be adjusted separately to increase the distance between them. Alternatively, the screw in the third fixed hole 803 can be removed to adjust the distance between the traction post 7 on the outside of the traction rod 6 and the oral cavity, thereby achieving different treatment effects.

[0027] For example, a forehead pad 2 is provided at one end of the pull rod 1 that is close to each other. The forehead pad 2 is arc-shaped. A fixing block 3 is symmetrically fixed on the outer side of the forehead pad 2. The fixing block 3 is fixed on the outer side of the end of the pull rod 1. The forehead pad 2 is used to fit the patient's forehead.

[0028] In this embodiment, when in use, the forehead pad 2 can be placed close to the patient's forehead, making the device more stable.

[0029] For example, a chin support 5 is fixedly provided on the outside of the movable rod 4. The chin support 5 is used to support the patient's chin and is made of elastic rubber material.

[0030] In this embodiment, when the device is worn on the patient's head, the chin sling 5 can be placed over the patient's chin, so that the chin sling 5 can cooperate with the locking strap 9, making it convenient for the device to be worn on the patient's head for a long time.

[0031] For example, a traction rod 6 is fixedly provided on the outside of the connecting column 8, and a traction column 7 is symmetrically slidably provided on the outside of the traction rod 6. The traction column 7 can be fixed to the outside of the traction rod 6 by screws.

[0032] In this embodiment, the screws on the traction column 7 can be removed, and then the traction column 7 can be slid on the outside of the traction rod 6 to adjust the distance between the two traction columns 7, so as to adapt to different treatment positions of the patient. Then, the traction column 7 can be fixed on the outside of the traction rod 6 with screws.

[0033] For example, a locking strap 9 is fixedly provided on the outside of the pull rod 1. The locking strap 9 is made of elastic rubber material and can be fitted onto the back of the patient's head.

[0034] In this embodiment, the locking strap 9 is placed on the back of the patient's head, so that the device can be fixed to the patient's head, making it easy for the device to be worn for a long time to achieve a therapeutic effect.

[0035] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection. They can refer to a mechanical connection or an electrical connection. They can refer to a direct connection or an indirect connection through an intermediate medium, and they can refer to the internal communication of two components or the interaction between two components. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0036] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature being directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0037] The foregoing disclosure provides many different embodiments or examples for implementing different structures of this application. To simplify the disclosure, specific examples of components and arrangements are described above. Of course, these are merely examples and are not intended to limit the scope of this application. Furthermore, reference numerals and / or letters may be repeated in different examples; such repetition is for simplification and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed. In addition, examples of various specific processes and materials are provided in this application, but those skilled in the art will recognize the application of other processes and / or the use of other materials.

[0038] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with an embodiment or example is included in at least one embodiment or example of this application. 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.

[0039] Although embodiments of this application have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the claims and their equivalents.

Claims

1. A fully adjustable extraoral orthodontic device, characterized in that, include: Pull rod (1), two pull rods (1) are symmetrically arranged; Movable rod (4), the movable rod (4) is disposed between the pull rods (1), and connecting posts (8) are slidably disposed on the outer sides of both ends of the movable rod (4), the connecting posts (8) are slidably disposed on the outer side of the pull rods (1); A traction rod (6) is slidably provided through the outside of the connecting column (8), and the traction rod (6) is perpendicular to the pull rod (1) and the movable rod (4); The connecting column (8) has a first fixed hole (801) and a second fixed hole (802) symmetrically opened on the outer side. The connecting column (8) also has a third fixed hole (803) on the outer side. The third fixed hole (803) is perpendicular to the traction rod (6). The pull rod (1), the movable rod (4) and the traction rod (6) can all be fixed to the connecting column (8) by screws.

2. The fully adjustable extraoral orthodontic device according to claim 1, characterized in that, A forehead pad (2) is provided at one end of the pull rod (1) that is close to each other. The forehead pad (2) is arc-shaped. A fixing block (3) is symmetrically fixed on the outer side of the forehead pad (2). The fixing block (3) is fixed on the outer side of the end of the pull rod (1). The forehead pad (2) is used to fit the patient's forehead.

3. The fully adjustable extraoral orthodontic device according to claim 1, characterized in that, A chin support (5) is fixedly installed on the outside of the movable rod (4). The chin support (5) is used to support the patient's chin and is made of elastic rubber material.

4. The fully adjustable extraoral orthodontic device according to claim 1, characterized in that, A traction rod (6) is fixedly installed on the outside of the connecting column (8), and a traction column (7) is symmetrically slidably installed on the outside of the traction rod (6). The traction column (7) can be fixed to the outside of the traction rod (6) by screws.

5. The fully adjustable extraoral orthodontic device according to claim 1, characterized in that, A locking strap (9) is fixedly installed on the outside of the pull rod (1). The locking strap (9) is made of elastic rubber material and can be fitted onto the back of the patient's head.