Bracket anchor
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ANYANG SIXTH PEOPLES HOSPITAL (ANYANG DENTAL HOSPITAL)
- Filing Date
- 2025-06-12
- Publication Date
- 2026-06-16
AI Technical Summary
Existing bracket fixation devices are difficult to reuse and the archwires do not slide freely, resulting in high consumable costs, significant loss of corrective force, and reduced treatment efficiency.
The modular structure, which combines insert plates and screws, and the innovative locking mechanism of rotating body and spring clips enable detachable connection of the bracket body and free sliding of the bow wire. Combined with the mechanical locking of rubber shock-absorbing pads and T-blocks, it enhances the retention force and buffering effect.
It improves the flexibility of clinical operation, reduces the loss of orthodontic force, shortens the treatment cycle, and reduces the bracket dislodgement rate and patient discomfort.
Smart Images
Figure CN224357692U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of orthodontic technology, and in particular to a bracket fixation device. Background Technology
[0002] The core goal of orthodontics is to guide teeth to their ideal position by applying continuous light force, thereby improving occlusion, facial aesthetics, and oral function. As a key component of orthodontic treatment, bracket fixation serves to fix the orthodontic archwire and transmit corrective force to the teeth through the elastic deformation of the archwire. Bracket fixation is one of the core technologies of orthodontics, and its development reflects the integration of materials science, biomechanics, and digital technology.
[0003] However, existing bracket retainers have the following disadvantages:
[0004] (1) If the traditional bracket needs to adjust the archwire path or groove parameters, it needs to be completely removed and re-bonded, which makes it difficult to reuse the bracket body and greatly increases the cost of consumables.
[0005] (2) The direct friction between the traditional ligature wire and the archwire makes it difficult for the archwire to slide more freely, which increases the loss of corrective force.
[0006] Therefore, this utility model provides a bracket fixator. Utility Model Content
[0007] (a) Technical problems to be solved
[0008] The problem solved by this utility model is to provide a more practical bracket fixator, which solves the problems mentioned in the background art, namely, the difficulty in allowing the bracket body to be reused and the difficulty in allowing the archwire to slide more freely.
[0009] (II) Technical Solution
[0010] To achieve the above objectives, this utility model is implemented through the following technical solution: a bracket fixator, including a bracket body, a body portion provided on the front of the bracket body, a connecting component provided between the bracket body and the body portion, a rotating groove provided on the front of the body portion, a rotating body rotatably connected to the inner sidewall of the rotating groove, the rotating body being C-shaped, and a fixing component provided on the inner sidewall of the rotating groove.
[0011] The connecting assembly includes an insert plate fixedly connected to the front of the bracket body. A rectangular groove adapted to the insert plate is opened on the back of the body. A countersunk hole is opened on the top of the body. A screw is provided on the inner side wall of the countersunk hole. A threaded hole adapted to the screw is opened on the top of the insert plate.
[0012] Optionally, the fixing component includes two circular grooves formed on the inner sidewall of the rotating groove, a locking block is movably connected to the inner sidewall of the circular groove, and two locking slots adapted to the locking block are formed on the surface of the rotating body. The locking block is engaged in the inside of the locking slot, and a spring is connected between one side of the locking block and the inner sidewall of the circular groove.
[0013] Optionally, a limiting block is fixedly connected to the surface of the card block, and a limiting groove adapted to the limiting block is provided on the inner side wall of the circular groove. The limiting block is movably connected to the inner side wall of the limiting groove. The limiting block and the limiting groove cooperate with each other to limit the movement direction of the card block, ensuring that the card block can only slide linearly in the circular groove along the direction of the limiting groove, preventing it from circumferentially shifting or falling out.
[0014] Optionally, a washer is fitted on the surface of the screw, and the bottom of the washer contacts the inner bottom wall of the countersunk hole. When the screw is tightened to fix the bracket body and the body, the washer increases the contact area between the screw and the body, disperses the pressure, prevents the body from deforming or being damaged due to excessive local stress, and enhances the tightness and stability of the connection between the bracket body and the body.
[0015] Optionally, the back of the bracket body is provided with a groove, and multiple T-shaped blocks are installed on the inner sidewall of the groove. The T-shaped blocks are arranged in a rectangular shape and embedded in the adhesive on the tooth surface. The lateral protrusions of the T-shaped structure form a mechanical lock, which greatly increases the retention force between the bracket and the tooth surface and effectively reduces the bracket detachment rate during orthodontic treatment.
[0016] Optionally, the front of the bracket body is provided with a shock-absorbing pad, the front of which contacts the back of the body. The shock-absorbing pad is made of rubber. When the archwire is deformed by force or when the patient chews, it absorbs the impact force and vibration energy through its own elastic deformation, buffering the instantaneous impact of the orthodontic force on the teeth and periodontal tissues, and reducing the pain and discomfort of the patient during the orthodontic process.
[0017] Optionally, a positioning rod is fixedly connected to the front of the bracket body, and a positioning groove adapted to the positioning rod is opened on the back of the body. When installing the bracket body and the body, the positioning rod is inserted into the positioning groove to provide initial positioning for both, ensuring that the insert plate and the rectangular groove are accurately aligned, and avoiding problems such as misalignment of screw holes or insecure connection caused by installation deviation.
[0018] (III) Beneficial Effects
[0019] This utility model provides a bracket fixator, which has the following beneficial effects:
[0020] 1. This bracket fixation device adopts a combination of insert plates and screws to achieve a modular structure. During orthodontic treatment, the bracket body can be replaced individually without removing it, which can quickly adapt to the mechanical needs of different stages such as alignment, retraction, and fine adjustment, significantly improving the flexibility of clinical operation and treatment efficiency.
[0021] 2. This bracket retainer uses an innovative locking mechanism of rotating body and spring clip, abandoning the traditional ligature wire fixation method. This design effectively avoids direct friction between the archwire and the ligature wire, greatly reduces the loss of orthodontic force, allows the archwire to slide more freely, helps teeth move more smoothly, and thus shortens the overall orthodontic cycle. Attached Figure Description
[0022] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0023] Figure 2 This is a schematic diagram of the bracket structure of this utility model;
[0024] Figure 3 This is a schematic diagram of the body structure of this utility model;
[0025] Figure 4 This utility model Figure 3 Enlarged structural diagram at point A in the middle.
[0026] In the figure: 1. Support body; 101. Body; 102. Rotating body; 2. Connecting assembly; 201. Insert plate; 202. Screw; 3. Fixing assembly; 301. Locking block; 302. Spring; 4. Limiting block; 5. Washer; 6. T-block; 7. Shock-absorbing pad; 8. Positioning rod. Detailed Implementation
[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.
[0028] Please see Figures 1 to 4 This utility model provides a technical solution: a bracket fixator, including a bracket body 1, which serves as a basic component for fixing to the tooth surface. A body portion 101 is provided on the front side of the bracket body 1, which performs the function of fixing the archwire. A connecting component 2 is provided between the bracket body 1 and the body portion 101. A rotating groove is provided on the front side of the body portion 101. A rotating body 102 is rotatably connected to the inner side wall of the rotating groove. The rotating body 102 is C-shaped and can rotate around the axis of the rotating groove. A fixing component 3 is provided on the inner side wall of the rotating groove.
[0029] The connecting component 2 includes an insert plate 201 fixedly connected to the front of the bracket body 1. A rectangular groove adapted to the insert plate 201 is provided on the back of the body 101. The insert plate 201 is inserted into the rectangular groove to complete the initial positioning. A countersunk hole is provided on the top of the body 101. A screw 202 is provided on the inner side wall of the countersunk hole. The two are firmly locked by tightening the screw 202. A threaded hole adapted to the screw 202 is provided on the top of the insert plate 201. The insert plate 201, the rectangular groove, the countersunk hole, the screw 202 and the threaded hole cooperate with each other to realize the detachable connection between the bracket body 1 and the body 101.
[0030] The fixing component 3 includes two circular grooves formed on the inner sidewall of the rotating groove. A locking block 301 is movably connected to the inner sidewall of the circular groove. Two slots adapted to the locking block 301 are formed on the surface of the rotating body 102. The locking block 301 is engaged in the inside of the slot. A spring 302 is connected between one side of the locking block 301 and the inner sidewall of the circular groove. When an external force pushes the rotating body 102 to compress the spring 302, the locking block 301 retracts, the rotating body 102 rotates and opens the C-shaped opening. After the bow wire is inserted, the external force is released, the spring 302 resets, and the locking block 301 locks the rotating body 102 again. The bow wire is clamped by the C-shaped structure.
[0031] The surface of the locking block 301 is fixedly connected to the limiting block 4. The inner side wall of the circular groove is provided with a limiting groove that is adapted to the limiting block 4. The limiting block 4 is movably connected to the inner side wall of the limiting groove. The limiting block 4 and the limiting groove cooperate with each other to limit the movement direction of the locking block 301, ensuring that the locking block 301 can only slide linearly in the circular groove along the direction of the limiting groove, preventing it from circumferentially shifting or falling out.
[0032] A washer 5 is fitted on the surface of the screw 202. The bottom of the washer 5 contacts the inner bottom wall of the countersunk hole. When the screw 202 is tightened to fix the bracket body 1 and the body 101, the washer 5 increases the contact area between the screw 202 and the body 101, disperses the pressure, prevents the body 101 from deforming or being damaged due to excessive local force, and enhances the tightness and stability of the connection between the bracket body 1 and the body 101.
[0033] The back of the bracket 1 has a groove, and multiple T-shaped blocks 6 are installed on the inner wall of the groove. The T-shaped blocks 6 are arranged in a rectangular shape and are embedded in the adhesive on the tooth surface. The lateral protrusion of the T-shaped structure forms a mechanical lock, which greatly increases the retention force between the bracket and the tooth surface and effectively reduces the bracket detachment rate during orthodontic treatment.
[0034] The front of the bracket 1 is provided with a shock-absorbing pad 7. The front of the shock-absorbing pad 7 is in contact with the back of the body 101. The shock-absorbing pad 7 is made of rubber. When the archwire is deformed by force or when the patient chews, it absorbs the impact force and vibration energy through its own elastic deformation, buffers the instantaneous impact of the orthodontic force on the teeth and periodontal tissues, and reduces the pain and discomfort of the patient during the orthodontic process.
[0035] The front of the bracket body 1 is fixedly connected with a positioning rod 8, and the back of the body 101 is provided with a positioning groove that matches the positioning rod 8. When the bracket body 1 and the body 101 are installed, the positioning rod 8 is inserted into the positioning groove to provide initial positioning for both, ensuring that the insert plate 201 is accurately aligned with the rectangular groove, and avoiding problems such as misalignment of screw 202 holes or insecure connection caused by installation deviation.
[0036] In this invention, the working steps of the device are as follows:
[0037] First step: The bracket body 1 is inserted into the rectangular groove of the body 101 through the insert plate 201, and the screw 202 is tightened and fixed by passing through the countersunk hole and the threaded hole at the top of the insert plate 201. During installation, the insert plate 201 is aligned with the rectangular groove and inserted to initially position the bracket body 1 and the body 101. Then the screw 202 is screwed in, and the two are locked into a whole by the engagement of the thread 202. During disassembly, the bracket body 1 and the body 101 can be separated by loosening the screw, which is convenient for clinical adjustment or replacement of parts.
[0038] The second step: The C-shaped rotating body 102 has its opening facing the direction of the bowwire placement. When the inner wall contacts the bowwire, it can be clamped or released by rotation. In the initial state, the spring 302 is in a naturally extended state, and the locking block 301 is partially embedded in the locking groove of the rotating body 102, restricting the rotation of the rotating body 102. When an external force pushes the rotating body 102 to compress the spring 302, the locking block 301 retracts into the circular groove, and the rotating body 102 rotates around the axis of the rotating groove. The C-shaped opening opens, and the bowwire is placed between the rotating body 102 and the groove. After the external force is released, the spring 302 returns to its original position and pushes the locking block 301 to be embedded in the locking groove of the rotating body 102, restricting its rotation. The bowwire is clamped by the C-shaped structure.
[0039] It should be noted that the device structure and accompanying drawings of this utility model mainly describe the principle of this utility model. In terms of the technical aspects of this design principle, the setting of the power mechanism, power supply system and control system of the device is not fully described. However, under the premise that those skilled in the art understand the principle of the above utility model, the specific details of its power mechanism, power supply system and control system can be clearly understood. The control method in the application document is automatic control through a controller. The control circuit of the controller can be implemented by those skilled in the art through simple programming.
[0040] All standard parts used can be purchased from the market, and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the existing technology. The machinery, parts and equipment adopt conventional models in the existing technology, and the structure and principle of the components known to those skilled in the art can be known by those skilled in the art through technical manuals or conventional experimental methods.
[0041] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A bracket retainer, comprising a bracket body (1), characterized in that: The bracket body (1) has a body part (101) on its front side. A connecting component (2) is provided between the bracket body (1) and the body part (101). A rotating groove is provided on the front side of the body part (101). A rotating body (102) is rotatably connected to the inner side wall of the rotating groove. The rotating body (102) is C-shaped. A fixing component (3) is provided on the inner side wall of the rotating groove. The connecting assembly (2) includes a plate (201) fixedly connected to the front of the bracket body (1). The back of the body (101) is provided with a rectangular groove that matches the plate (201). The top of the body (101) is provided with a countersunk hole. The inner sidewall of the countersunk hole is provided with a screw (202). The top of the plate (201) is provided with a threaded hole that matches the screw (202).
2. The bracket retainer according to claim 1, characterized in that: The fixing component (3) includes two circular grooves opened on the inner sidewall of the rotating groove. A locking block (301) is movably connected to the inner sidewall of the circular groove. The surface of the rotating body (102) is provided with two locking slots that are adapted to the locking block (301). The locking block (301) is locked inside the locking slot. A spring (302) is connected between one side of the locking block (301) and the inner sidewall of the circular groove.
3. A bracket retainer according to claim 2, characterized in that: The surface of the card block (301) is fixedly connected to the limiting block (4), and the inner sidewall of the circular groove is provided with a limiting groove that is adapted to the limiting block (4). The limiting block (4) is movably connected to the inner sidewall of the limiting groove.
4. A bracket retainer according to claim 1, characterized in that: The screw (202) is fitted with a washer (5), the bottom of which is in contact with the inner bottom wall of the countersunk hole.
5. A bracket retainer according to claim 1, characterized in that: The back of the bracket (1) is provided with a groove, and a plurality of T-shaped blocks (6) are installed on the inner sidewall of the groove. The T-shaped blocks (6) are arranged in a rectangular shape.
6. A bracket retainer according to claim 1, characterized in that: The front of the bracket (1) is provided with a shock-absorbing pad (7), the front of the shock-absorbing pad (7) is in contact with the back of the body (101), and the material of the shock-absorbing pad (7) is rubber.
7. A bracket retainer according to claim 1, characterized in that: The front of the bracket body (1) is fixedly connected to a positioning rod (8), and the back of the body (101) is provided with a positioning groove that is compatible with the positioning rod (8).