An auxiliary external traction device for embedded tooth facilitating fixation
By designing a combination of a first elastic band, a second elastic band, a strap, a pad, and a support sleeve, the problem of existing devices being unable to adapt to different user body shapes is solved, achieving stable fixation and comfortable wearing of the impacted tooth traction device, and enhancing the traction effect and flexibility of use.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- BAODING SECOND HOSPITAL
- Filing Date
- 2025-06-09
- Publication Date
- 2026-05-29
AI Technical Summary
Existing impacted tooth traction devices cannot fit snugly against the user's head and face, resulting in unstable wear, affecting traction effect and comfort, and failing to adapt to the body characteristics of different users.
It adopts a combination design of first elastic band, second elastic band, strap, padding and support sleeve, and is fixed to the head and chin with buckles. Combined with adjustment and fixation components, it can be adjusted in all directions to adapt to different head circumferences and chin lengths, improving wearing stability and comfort.
It achieves stable fixation of the device, prevents displacement, enhances traction effect, improves user comfort and flexibility, and adapts to individual differences among different users.
Smart Images

Figure CN224292017U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of medical devices, and in particular to an external traction device for easy fixation of impacted teeth. Background Technology
[0002] In the field of orthodontic treatment, impacted teeth are a common dental developmental abnormality. Impacted teeth refer to teeth that have not erupted from the jawbone tissue after the eruption period has passed. Their presence may lead to a series of problems such as displacement of adjacent teeth, crowding of teeth, and cyst formation. Therefore, timely traction treatment is required to guide the impacted teeth to erupt normally and restore normal oral occlusal function and tooth alignment.
[0003] The publication (announcement) number CN115553947A discloses an auxiliary traction device, method, and system for impacted teeth on the oral and maxillofacial region. The device includes a traction unit and a fixation unit. This device acquires the impaction location of the impacted tooth, determines the traction path of the impacted tooth based on its target position in orthodontic treatment, sets traction points on the oral and maxillofacial region based on the impaction location and traction path, and connects these points to the traction buckles of the impacted tooth via elastic connectors. Based on the target position, traction force is continuously applied through the elastic connectors to pull the impacted tooth to the target position according to the traction path. However, due to differences in head and facial structure, such as varying head circumference and chin length, the device cannot closely fit the user's head and face, and cannot adapt to different user body shapes. This results in poor fit during wear, making it prone to loosening or displacement, affecting the traction effect and stability of use, and reducing wearing comfort.
[0004] Therefore, it is necessary to design an external traction device for impacted teeth that can be fixed and worn snugly by the combined use of a first elastic band, a second elastic band, a strap, a pad, and a support sleeve, making it easy to adapt to people with different head circumferences and chin lengths, preventing displacement, and improving stability and comfort. Summary of the Invention
[0005] To overcome the shortcomings of the current device, which cannot fit snugly against the user's head and face, cannot adapt to different user body shapes, resulting in poor fit, easy loosening or displacement, affecting traction effect and stability, and reducing wearing comfort, this utility model provides an easily fixed external traction device for impacted teeth. This device can be fixed and worn snugly by the combined use of a first elastic band, a second elastic band, a strap, a soft pad, and a support sleeve, making it suitable for people with different head circumferences and chin lengths, preventing displacement, and improving stability and comfort.
[0006] The technical implementation scheme of this utility model is as follows: an external traction device for easy fixation of impacted teeth, comprising a first elastic band, pull rings, straps, buckles, a second elastic band, a support sleeve, an adjustment component, and a fixing component. The first elastic band has two parts, left and right, with pull rings connected to the front of each first elastic band. Straps are connected between the pull rings. Buckles are provided between the rear parts of the first elastic bands. The lower parts of the pull rings are connected to the second elastic bands. A support sleeve is connected between the lower parts of the second elastic bands. The pull rings are provided with adjustment components for adjusting the traction position, and the adjustment components are provided with fixing components.
[0007] Furthermore, both the first and second elastic bands are made of polyurethane fiber.
[0008] Furthermore, it also includes padding, with padding attached to the back side of the strap.
[0009] Furthermore, the adjustment assembly includes a guide rod, a fixed sleeve, an adjustment rod, and traction blocks. The upper part of each pull ring is connected to a guide rod, the lower part of each guide rod is slidably connected to a fixed sleeve, the fixed sleeves are slidably connected to an adjustment rod, and the front part of the adjustment rod is slidably connected to two traction blocks on the left and right.
[0010] Furthermore, the fixing component includes screws and limiting blocks. Screws are threadedly connected to the fixing sleeves. Screws are also threadedly connected to the upper part of the left traction block and the lower part of the right traction block. Limiting blocks are rotatably connected to the screws. The rear limiting blocks are slidably connected to the adjacent fixing sleeves. The front limiting blocks are slidably connected to the adjacent traction blocks. The rear limiting blocks are in contact with the adjacent guide rods and adjusting rods. The front limiting blocks are in contact with the adjacent adjusting rods.
[0011] Furthermore, handles are provided on the sides of the two screws located in the same lateral position that are far apart from each other.
[0012] Compared with the prior art, the present invention has the following advantages: 1. The present invention, by wearing the device on the user's head, makes the soft pad contact and fit the user's forehead, and then fixes it with buckles. At the same time, the support sleeve is put on the chin. Thus, the device can be fixed and fitted by the cooperation of the first elastic band, the second elastic band, the strap, the soft pad and the support sleeve, which is convenient to adapt to people with different head circumferences and chin lengths, prevents displacement, and improves the stability and comfort of use.
[0013] 2. This utility model allows the traction block to move by pulling the fixed sleeve up and down, then pulling the adjusting rod back and forth, and then pulling the traction block left and right. After moving and fixing it, the traction component is fixed on the traction block to contact the tooth for traction. This allows for all-round adjustment of the traction block to traction the user's teeth, making it easy to adjust to meet the traction needs of teeth in different positions, enhancing the treatment effect, and making it flexible and convenient to use. Attached Figure Description
[0014] Figure 1 This is a three-dimensional structural diagram of the present invention.
[0015] Figure 2 This is a three-dimensional structural diagram of the soft pad and other components of this utility model.
[0016] Figure 3 This is a three-dimensional structural diagram of the support sleeve and other components of this utility model.
[0017] Figure 4 This is a three-dimensional cross-sectional view of the limiting block and other components of this utility model.
[0018] Reference numerals: 1_First elastic band, 2_Pull ring, 3_Strap, 4_Padded, 5_Snap fastener, 6_Second elastic band, 7_Support sleeve, 8_Guide rod, 9_Fixing sleeve, 10_Adjusting rod, 11_Traction block, 12_Screw, 13_Restriction block. Detailed Implementation
[0019] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments, but this does not limit the scope of protection and application of the present invention.
[0020] An easy-to-fix external traction device for impacted teeth, such as Figures 1-4 As shown, it includes a first elastic band 1, a pull ring 2, a strap 3, a pad 4, a buckle 5, a second elastic band 6, a support sleeve 7, an adjustment component, and a fixing component. The first elastic band 1 has two parts, left and right. Pull rings 2 are connected to the front of each first elastic band 1. A strap 3 is connected between the pull rings 2. A pad 4 is connected to the back of the strap 3 to improve user comfort. A buckle 5 is provided between the back parts of the first elastic band 1. The second elastic band 6 is connected to the lower part of each pull ring 2. Both the first elastic band 1 and the second elastic band 6 are made of polyurethane fiber to fit the user's head. A support sleeve 7 is connected between the lower parts of the second elastic band 6. An adjustment component for adjusting the traction position is provided on the pull ring 2. A fixing component is provided on the adjustment component.
[0021] like Figure 1 and Figure 3 As shown, the adjustment assembly includes a guide rod 8, a fixing sleeve 9, an adjustment rod 10, and a traction block 11. The upper part of the pull ring 2 is connected to the guide rod 8, the lower part of the guide rod 8 is slidably connected to the fixing sleeve 9, the fixing sleeve 9 is slidably connected to the adjustment rod 10, and the front part of the adjustment rod 10 is slidably connected to two left and right traction blocks 11.
[0022] like Figure 4As shown, the fixing assembly includes screws 12 and limiting blocks 13. Screws 12 are threadedly connected to the fixing sleeves 9. Screws 12 are also threadedly connected to the upper part of the left traction block 11 and the lower part of the right traction block 11. Handles are provided on the opposite sides of the two screws 12 at the same lateral position to facilitate hand gripping and rotating the screws 12. Limiting blocks 13 are rotatably connected to the screws 12. The rear limiting blocks 13 are slidably connected to the adjacent fixing sleeves 9, and the front limiting blocks 13 are slidably connected to the adjacent traction blocks 11. The rear limiting blocks 13 are in contact with the adjacent guide rods 8 and adjusting rods 10, and the front limiting blocks 13 are in contact with the adjacent adjusting rods 10.
[0023] This device can be used when impacted teeth require external traction. The device is lifted and placed on the user's head, with the soft pad 4 contacting and fitting against the forehead, and the first elastic band 1 contacting the head. The device is then secured to the patient's head using the buckle 5. Simultaneously, the support sleeve 7 is pulled, moving it to fit over the user's chin, and the second elastic band 6 contacting and fitting against the cheek. The elasticity of the first and second elastic bands 1 and 6 ensures a secure and comfortable fit. Both the first and second elastic bands 1 and 6 are made of polyurethane fiber, allowing for a secure and comfortable fit through the combined use of the first and second elastic bands 1 and 2, the strap 3, the soft pad 4, and the support sleeve 7. This adapts to users with different head circumferences and chin lengths, preventing displacement and improving stability and comfort. After wearing, the screw 12 on the fixing sleeve 9 is rotated via the handle. The screw 12 moves under the action of the thread, causing the limiting block 13 to move in conjunction with the guide rod 8 and the adjusting rod 1. 0. Disengage the device, then pull the fixing sleeve 9 up and down along the guide rod 8, and then pull the adjusting rod 10 back and forth to move the traction block 11. After moving to the appropriate position, rotate the screw 12 in the opposite direction. Under the action of the thread, the screw 12 moves in the opposite direction to reset, so that the limiting block 13 moves in the opposite direction to contact and fix with the guide rod 8 and the adjusting rod 10. Next, rotate the screw 12 on the traction block 11. Under the action of the thread, the screw 12 moves, so that the limiting block 13 moves and disengages from the adjusting rod 10. Then pull the traction block 11 left and right to move to the appropriate position. After moving to the appropriate position, rotate the screw 12 in the opposite direction. Under the action of the thread, the screw 12 moves in the opposite direction to reset, so that the limiting block 13 moves in the opposite direction to contact and fix with the adjusting rod 10. Then fix the traction component on the traction block 11 to contact the tooth for traction. This allows for all-round adjustment of the traction block 11 to traction the user's teeth. It is easy to adjust to adapt to the traction needs of teeth in different positions, enhances the treatment effect, and is flexible and convenient to use. After use, the device can be removed from the user's head.
[0024] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made using the content of this utility model specification, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.
Claims
1. An external traction device for easily fixed impacted teeth, characterized in that: It includes a first elastic band (1), a pull ring (2), a strap (3), a buckle (5), a second elastic band (6), a support sleeve (7), an adjustment component, and a fixing component. The first elastic band (1) has two parts, left and right. The front of each first elastic band (1) is connected to a pull ring (2), and a strap (3) is connected between the pull rings (2). The rear of the first elastic band (1) is connected to a buckle (5). The lower part of each pull ring (2) is connected to a second elastic band (6), and the lower part of the second elastic bands (6) is connected to a support sleeve (7). The pull ring (2) is provided with an adjustment component for adjusting the traction position, and the adjustment component is provided with a fixing component.
2. The external traction device for easily fixed impacted teeth according to claim 1, characterized in that: Both the first elastic band (1) and the second elastic band (6) are made of polyurethane fiber.
3. The external traction device for easily fixed impacted teeth according to claim 1, characterized in that: It also includes a pad (4), and the back of the strap (3) is connected to the pad (4).
4. The external traction device for easily fixed impacted teeth according to claim 1, characterized in that: The adjustment assembly includes a guide rod (8), a fixed sleeve (9), an adjustment rod (10), and a traction block (11). The upper part of the pull ring (2) is connected to the guide rod (8), the lower part of the guide rod (8) is slidably connected to the fixed sleeve (9), the fixed sleeve (9) is slidably connected to the adjustment rod (10), and the front part of the adjustment rod (10) is slidably connected to the left and right traction blocks (11).
5. An external traction device for easily fixed impacted teeth according to claim 4, characterized in that: The fixing assembly includes a screw (12) and a limiting block (13). The screw (12) is threadedly connected to the fixing sleeve (9). The upper part of the left traction block (11) and the lower part of the right traction block (11) are also threadedly connected to the screw (12). The limiting block (13) is rotatably connected to the screw (12). The limiting block (13) at the rear is slidably connected to the adjacent fixing sleeve (9). The limiting block (13) at the front is slidably connected to the adjacent traction block (11). The limiting block (13) at the rear is in contact with the adjacent guide rod (8) and adjusting rod (10). The limiting block (13) at the front is in contact with the adjacent adjusting rod (10).
6. The external traction device for easily fixed impacted teeth according to claim 5, characterized in that: The two screws (12) in the same lateral position are each provided with a handle on the side that is far away from each other.