Traction device for orthodontics

Abstract

The utility model discloses a traction device for orthodontics, which comprises a traction mechanism, a head fixing mechanism and a downward movement preventing mechanism, the traction mechanism is connected below the head fixing mechanism, and the downward movement preventing mechanism is connected above the head fixing mechanism. The downward-moving-preventing mechanism comprises a front side traction ring, a rear side traction ring, a middle connecting plate and a plurality of height-adjustable fixing columns, the bottom end of the front side traction ring and the bottom end of the rear side traction ring are connected to the head fixing mechanism through the fixing columns, first compressed spring rods are arranged at the two ends of the middle connecting plate, and first limiting holes are formed in the front side traction ring and the rear side traction ring correspondingly. According to the traction device, traction in the vertical direction can be added to a patient through the downward-moving-preventing mechanism, the problems that in the prior art, a traction device droops and moves downwards are solved, the multiple fixing columns with the adjustable heights are adopted, and after the downward-moving-preventing function of the traction device is added, the traction device can be used for traction in the vertical direction. And the stability of the whole device in the using process can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of oral traction devices, in particular to a traction device for oral orthodontics. Background Art

[0002] Orthodontics covers a wide range, and usually refers to the treatment process of correcting uneven teeth, abnormal tooth shape, and abnormal tooth color through oral technical means. There are many methods of orthodontics, such as resin veneers, porcelain veneers, porcelain teeth, orthodontics, etc. The treatment method should be selected based on the actual situation of the individual's teeth, the type of malocclusion, etc., and then combined with personal requirements. Each method has its own advantages and disadvantages, and different people have different preferences. It is necessary to communicate directly with the doctor during the examination to determine the plan.

[0003] Different correction tools are used for different correction methods. The common front retractor is one of the traction mechanisms required in oral orthodontics. However, the existing oral front retractor dedicated for this purpose has no vertical traction during use, which makes it easy to sag and move downward, and the stability of the whole retractor during use is reduced. Utility Model Content

[0004] To solve the above technical problems, the technical solution provided by the utility model is: a traction device for oral orthodontics, comprising a traction mechanism, a head fixing mechanism and an anti-downward movement mechanism, the traction mechanism is connected below the head fixing mechanism, the anti-downward movement mechanism is connected above the head fixing mechanism, the anti-downward movement mechanism comprises a front traction ring, a rear traction ring, an intermediate connecting plate and a plurality of height-adjustable fixing columns, the bottom ends of the front traction ring and the rear traction ring are connected to the head fixing mechanism through fixing columns, first compression spring rods are provided at both ends of the intermediate connecting plate, first limiting holes are provided on the front traction ring and the rear traction ring, the intermediate connecting plate is connected to the front traction ring and the rear traction ring through the first compression spring rod and the first limiting hole, and the distance between the front traction ring and the rear traction ring can be adjusted by adjusting the matching position of the compression spring rod and the limiting hole.

[0005] Furthermore, the head fixing mechanism comprises two groups of head fixing rings, and an elastic belt body is arranged between the head fixing rings.

[0006] Furthermore, the fixing column comprises a fixing sleeve and an adjusting column, the adjusting column is provided with a second compression spring rod, and the fixing sleeve is provided with a plurality of second limiting holes matched with the second compression spring rod.

[0007] The advantages of the utility model compared with the prior art are:

[0008] The utility model adopts a combination of multiple structures such as a traction mechanism, a head fixing mechanism, an anti-downward movement mechanism, a front traction ring, a rear traction ring, an intermediate connecting plate and multiple height-adjustable fixed columns. The anti-downward movement mechanism can increase traction in the vertical direction for the patient, and solves the problems of sagging and downward movement of the traction device in the prior art. The above technical scheme adopts multiple height-adjustable fixed columns. After adding the anti-downward movement function of the traction device, the stability of the entire device during use can also be increased. Compared with one fixed column, the stability of multiple fixed columns is stronger, avoiding the phenomenon of cheapness during the anti-downward movement process. The height of the fixed column is adjustable, which can meet the needs of different users for using the above traction device and has a wider range of applications.

[0009] The utility model adopts a combination of multiple structures such as a front traction ring, a rear traction ring and an intermediate connecting plate. The above structure can realize the spacing between the front traction ring and the rear traction ring through the cooperation of the first compression spring rod and the first limiting hole, which can increase the application range of the above traction mechanism. In addition, the intermediate connecting plate is used to connect between the front traction ring and the rear traction ring, which can increase the stability of the entire traction device during use and has strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 The utility model is a structural diagram of a traction device for oral orthodontics Figure 1 ;

[0011] Figure 2 The utility model is a structural diagram of a traction device for oral orthodontics Figure 2 ;

[0012] Figure 3 It is a partial schematic diagram of a traction device for oral orthodontics of the utility model;

[0013] Figure 4 A partial schematic diagram of the anti-downward movement mechanism;

[0014] Figure 5 for Figure 1 A partial enlarged view of the middle A;

[0015] Figure 6 It is a structural schematic diagram of the middle connecting plate;

[0016] Figure 7 It is a schematic diagram of the structure of the front traction ring.

[0017] Among them, 1. front traction ring, 2. rear traction ring, 3. middle connecting plate, 4. mandibular pocket, 5. fixing column, 6. first compression spring rod, 7. first limiting hole, 8. head fixing ring, 9. elastic belt body, 10. fixing sleeve, 11. adjusting column, 12. second compression spring rod, 13. second limiting hole, 14. fixing part, 15. first fixing hole, 16. transverse connecting plate, 17. lifting and lowering adjustment screw, 18. circular hole, 19. fastening nut, 20. sliding groove, 21. second fixing hole, 22. first traction block, 23. second traction block. DETAILED DESCRIPTION

[0018] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0019] The utility model is described in detail with reference to the accompanying drawings.

[0020] The utility model provides a traction device for oral orthodontics in specific implementation, including a traction mechanism, a head fixing mechanism and an anti-downward movement mechanism, wherein the traction mechanism is connected below the head fixing mechanism, and the anti-downward movement mechanism is connected above the head fixing mechanism, and the anti-downward movement mechanism includes a front traction ring 1, a rear traction ring 2, an intermediate connecting plate 3 and a plurality of height-adjustable fixing columns 5, the bottom ends of the front traction ring 1 and the rear traction ring 2 are connected to the head fixing mechanism through the fixing columns 5, the two ends of the intermediate connecting plate 3 are provided with a first compression spring rod 6, and the front traction ring 1 and the rear traction ring 2 are both provided with a first limiting hole 7, the intermediate connecting plate 3 is connected to the front traction ring 1 and the rear traction ring 2 through the first compression spring rod 6 and the first limiting hole 7, and the distance between the front traction ring 1 and the rear traction ring 2 can be adjusted by adjusting the matching position of the compression spring rod 6 and the limiting hole 7. Example

[0021] When the utility model is in use, the head fixing mechanism can be directly fixed on the patient's head. The head fixing mechanism includes two groups of head fixing rings 8, and an elastic belt body 9 is arranged between the head fixing rings 8. The structural arrangement of the elastic belt body can increase the application range of the entire head fixing mechanism, and can be suitable for head circumferences of different sizes, which is convenient to use and wear.

[0022] During use, the anti-downward movement mechanism is connected to the top of the head fixing mechanism, and the anti-downward movement mechanism includes a front traction ring 1, a rear traction ring 2, a middle connecting plate 3 and a plurality of height-adjustable fixing columns 5. When worn, the front traction ring 1 is close to the front forehead of the patient, and the rear traction ring 2 is close to the back of the patient's head. At the same time, the mandibular pocket 4 is located at the front bottom of the patient's mouth. The traction belt is connected to the first traction block 22 and the second traction block 23. The distance between the corresponding first traction block 22 and the second traction block 23 can be adjusted according to different traction requirements to meet the corresponding traction requirements.

[0023] The cooperation between the intermediate connecting plate 3 and the front traction ring 1 and the rear traction ring 2 can be adjusted by adjusting the positions of the corresponding first compression spring rod 6 and the first limiting hole 7 to form anti-downward movement traction rings of different sizes, thereby increasing the applicable scope of the anti-downward movement mechanism. Compared with the elastic band connection, the use of the intermediate connection to connect with the front traction ring 1 and the rear traction ring 2 can increase the stability of the device during use.

[0024] During the traction process, the patient can be pulled vertically upward by the anti-downward movement mechanism, thereby avoiding the occurrence of sagging and downward movement of the traction device in the prior art. In addition, a plurality of fixed columns 5 are provided to increase the stability of the anti-downward movement mechanism during the traction process, thereby making the above traction effect even better. During use, the height of the corresponding fixed column can also be adjusted as needed to meet the traction needs of different patients.

[0025] As a further elaboration of the present invention, the fixing column 5 includes a fixing sleeve 10 and an adjusting column 11 , the adjusting column 11 is provided with a second compression spring rod 12 , and the fixing sleeve 10 is provided with a plurality of second limiting holes 13 cooperating with the second compression spring rod 12 .

[0026] As a further explanation of the present invention, at least two groups of fixing columns 5 are provided.

[0027] As a further elaboration of the present invention, a fixing portion 14 is provided on the inner side of the head fixing ring 8 , a first fixing hole 15 is provided on the fixing portion 14 , and the traction mechanism is connected to the head fixing ring 8 via a connecting column passing through the first fixing hole 15 on the fixing portion 14 .

[0028] As a further elaboration of the present invention, the traction mechanism includes a transverse connecting plate 16, a lifting and adjusting screw 17 and a mandibular pocket 4, wherein the mandibular pocket 4 is connected to the bottom of the lifting and adjusting screw 17, a circular hole 18 is provided on the transverse connecting plate 16, and the lifting and adjusting screw 17 is provided with fastening nuts 19 at both ends extending out of the circular hole 18. The present invention can loosen the fastening nut 19 as needed, and after the lifting and adjusting screw 17 is moved up and down to a suitable position, the position of the lifting and adjusting screw 17 can be limited by the fastening nut 19. The above structure can move the lifting and adjusting screw 17 up and down according to the position of the patient's oral cavity, thereby adjusting the position of the mandibular pocket 4, and the adjustment method is simple, the operation is convenient, and the practicability is strong.

[0029] As a further elaboration of the present invention, a sliding groove 20 and a second fixing hole 21 are provided on the transverse connecting plate 16, and a first traction block 22 and a second traction block 23 are slidably connected in the sliding groove 20, and the first traction block 22 and the second traction block 23 are position-limited by cooperating with the second fixing hole 21 through a limiting screw. With the structure of the sliding groove, after the limiting screw is disassembled, the first traction block and the second traction block can be slid, so that the traction blocks can be moved forward and backward along the sliding groove, thereby adjusting the spacing between the corresponding first traction block 22 and the second traction block 23, so that the overall device can have strong applicability and practicality.

[0030] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A traction device for orthodontics, comprising a traction mechanism, a head fixing mechanism and an anti-downward movement mechanism, wherein the traction mechanism is connected below the head fixing mechanism, and the anti-downward movement mechanism is connected above the head fixing mechanism, characterized in that: The anti-downward movement mechanism comprises a front traction ring (1), a rear traction ring (2), an intermediate connecting plate (3) and a plurality of height-adjustable fixing columns (5); the bottom ends of the front traction ring (1) and the rear traction ring (2) are connected to the head fixing mechanism via the fixing columns (5); first compression spring rods (6) are provided at both ends of the intermediate connecting plate (3); first limiting holes (7) are provided on the front traction ring (1) and the rear traction ring (2); the intermediate connecting plate (3) is movably connected to the front traction ring (1) and the rear traction ring (2) by cooperating with the first compression spring rod (6) and the first limiting hole (7); and the distance between the front traction ring (1) and the rear traction ring (2) can be adjusted by adjusting the cooperating position of the compression spring rod (6) and the limiting hole (7).

2. The orthodontic traction device according to claim 1, characterized in that: The head fixing mechanism comprises two groups of head fixing rings (8), and an elastic belt body (9) is arranged between the head fixing rings (8).

3. The orthodontic traction device according to claim 2, characterized in that: The fixed column (5) comprises a fixed sleeve (10) and an adjusting column (11), the adjusting column (11) being provided with a second compression spring rod (12), and the fixed sleeve (10) being provided with a plurality of second limiting holes (13) cooperating with the second compression spring rod (12).

4. The orthodontic traction device according to claim 2, characterized in that: At least two groups of the fixing columns (5) are provided.

5. An orthodontic traction device according to claim 2, 3 or 4, characterized in that: A fixing portion (14) is provided on the inner side of the head fixing ring (8), a first fixing hole (15) is provided on the fixing portion (14), and the traction mechanism is connected to the head fixing ring (8) via a connecting column passing through the first fixing hole (15) on the fixing portion (14).

6. The orthodontic traction device according to claim 5, characterized in that: The traction mechanism comprises a transverse connecting plate (16), a lifting and adjusting screw (17) and a mandibular pocket (4); the mandibular pocket (4) is connected to the bottom of the lifting and adjusting screw (17); a circular hole (18) is provided on the transverse connecting plate (16); and fastening nuts (19) are installed at both ends of the lifting and adjusting screw (17) extending out of the circular hole (18).

7. The orthodontic traction device according to claim 6, characterized in that: The transverse connecting plate (16) is provided with a sliding groove (20) and a second fixing hole (21), a first traction block (22) and a second traction block (23) are slidably connected in the sliding groove (20), and the first traction block (22) and the second traction block (23) are limited in position by cooperating with the fixing hole (21) through a limiting screw.

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