Auxiliary bow with adjustable torque

Abstract

The utility model discloses an adjustable torque auxiliary bow which comprises two fixing sleeves and a spring arranged between the two fixing sleeves, one end of the spring is connected with the bottom of a force application section, the top of the force application section is fixedly connected with the bottom of an adjusting section, and the top of the adjusting section is connected to the bottoms of the two ends of a connecting section. An external main arch wire enters from the fixing sleeve at one end and penetrates through the spring to be connected to the fixing sleeve at the other end, the connecting section is in a smooth trapezoid shape, the horizontal part of the smooth trapezoid shape is more closely matched with the tooth shape, small arcs on the two sides of the adjusting section can adjust the height to be suitable for teeth of different sizes, and 2-3 circles of threads penetrating through the main arch wire increase elasticity. And the applied correction force can be softer.

Description

Technical Field

[0001] This utility model relates to the field of orthodontic devices, and in particular to an adjustable torque auxiliary bow. Background Technology

[0002] Torque is crucial for achieving an ideal occlusal relationship in orthodontic treatment. However, labial malocclusion, a common clinical finding, often results in the root remaining labially displaced even in the later stages of treatment, despite the use of thicker stainless steel wires. Excessive labial root placement in individual teeth not only affects the perfection of the occlusal relationship but also causes insufficient gingival height on the labial side, impacting aesthetics. Therefore, researchers have been attempting to develop a device capable of applying torque to individual teeth. Traditionally, torque adjustment for individual teeth involves applying torque through localized twisting of the stainless steel wire. However, this method is inefficient, often taking months without significant results. This is because it relies on the interaction between the square archwire and the slot, but the archwire's width is very small, resulting in a small lever arm. Even with a large torque, the product of the lever arm and the force (i.e., torque) becomes very small. Furthermore, the archwire size is often smaller than the slot size, leading to insufficient expression of the preset torque, resulting in so-called "torque consumption" or "entry angle."

[0003] To address the aforementioned problems, existing technology, such as the improved portal-type auxiliary archetype for efficiently correcting single-tooth torque disclosed in CN 219089714 U, includes two fixed seats and an auxiliary main archwire connected between the two fixed seats. The auxiliary main archwire includes a connecting section and two force-applying sections connected between the two connecting sections. The two fixed seats are respectively fixed to the other ends of the two connecting sections. An elastic component is connected to the middle of the force-applying section, and the fixed seats are connected to the main archwire. This application connects a spring to the middle of the portal-type auxiliary archetype, which increases the gentleness and continuity of the labial force applied to the cervical region of the tooth. After being placed in an orthodontic appliance, the connecting section fits against the cervical region of the tooth, allowing for the application of lingual displacement force to improve orthodontic results. However, this design is not easily adjustable on both sides and cannot accommodate teeth of different sizes. Therefore, to address the above problems, an adjustable torque auxiliary archetype is proposed. Utility Model Content

[0004] To solve the above-mentioned technical problems, this utility model provides the following technical solution:

[0005] An adjustable torque auxiliary bow includes two fixed sleeves and a spring disposed between the two fixed sleeves. One end of the spring is connected to the bottom of the force application section, the top of the force application section is fixedly connected to the bottom of the adjustment section, the top of the adjustment section is connected to the bottom of both ends of the connecting section, and the external main bow wire enters from one fixed sleeve, passes through the spring, and connects to the other fixed sleeve.

[0006] Preferably, the front view cross section of the connecting section is a smooth trapezoid.

[0007] Preferably, the connecting section is made of stainless steel wire.

[0008] Preferably, the adjustment segment is a curve with multiple arcs connected together, and the adjustment segments are symmetrically distributed with the center line of the connecting segment as the axis of symmetry.

[0009] Preferably, the spring has 2 or 3 turns of coil.

[0010] Compared with the prior art, the beneficial effects of this utility model are: (1) the connecting section is a smooth trapezoid, and the horizontal part of the smooth trapezoid fits more closely with the tooth shape.

[0011] (2) The small arcs on both sides of the adjustment section can adjust the height to suit teeth of different sizes.

[0012] (3) Inserting 2-3 turns of the main bowwire increases elasticity and makes the applied corrective force gentler.

[0013] (4) When the trapezoidal plane is fixed, it is parallel to the main bow wire bow plane or forms a different angle, and different torque forces are applied.

[0014] (5) It can be fixed to round or square wires for use. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art 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.

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This utility model Figure 1 Schematic diagram of the enlarged structure of A in the middle;

[0018] Figure 3 This is a schematic diagram of the main bowwire insertion structure of this utility model.

[0019] The reference numerals in the diagram are as follows: 1. Fixed sleeve; 2. Spring; 3. Adjusting section; 4. Connecting section; 5. Force-applying section. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0021] In the description of this utility model, it should be noted that, unless otherwise explicitly 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 connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0022] Please see Figure 1-3 The present invention provides an embodiment of an adjustable torque auxiliary bow, comprising two fixed sleeves 1 and a spring 2 disposed between the two fixed sleeves 1. The fixed sleeves 1 are fixed to the two ends of the main bow wire that are inserted externally. One end of the spring 2 is connected to the bottom of the force application section 5, and the top of the force application section 5 is fixedly connected to the bottom of the adjustment section 3. The top of the adjustment section 3 is connected to the bottom of both ends of the connecting section 4. The external main bow wire enters from one fixed sleeve 1, passes through the spring 2 and connects to the other fixed sleeve 1. By pushing the fixed sleeve 1, its position at both ends of the main bow wire can be adjusted.

[0023] The front view of connecting section 4 is a smooth trapezoid. The horizontal part of the smooth trapezoid fits more closely with the tooth shape. Connecting section 4 is made of stainless steel wire.

[0024] The adjustment segment 3 is a series of curved segments connected by arcs, and the adjustment segments 3 are symmetrically distributed with the center line of the connecting segment 4 as the axis of symmetry. By squeezing the inward curve of the adjustment segment 3, the height of the connecting segment 4 can be adjusted to suit teeth of different sizes.

[0025] The spring 2 has two or three turns of spiral. Two or three turns of spiral increase elasticity and can make the applied corrective force gentler.

[0026] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the modules can be selected to achieve the purpose of this embodiment according to actual needs. Those skilled in the art can understand and implement this without any creative effort.

[0027] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. An adjustable torque auxiliary bow, characterized in that: It includes two fixed sleeves (1) and a spring (2) disposed between the two fixed sleeves (1). One end of the spring (2) is connected to the bottom of the force application section (5). The top of the force application section (5) is fixedly connected to the bottom of the adjustment section (3). The top of the adjustment section (3) is connected to the bottom of both ends of the connecting section (4). The external main bow wire enters from one fixed sleeve (1), passes through the spring (2) and connects to the other fixed sleeve (1).

2. The adjustable torque auxiliary bow according to claim 1, characterized in that: The front view section of the connecting segment (4) is a smooth trapezoid.

3. The adjustable torque auxiliary bow according to claim 1, characterized in that: The connecting section (4) is made of stainless steel wire.

4. The adjustable torque auxiliary bow according to claim 1, characterized in that: The adjustment segment (3) is an arc-shaped curve, and the adjustment segment (3) is symmetrically distributed with the center line of the connecting segment (4) as the axis of symmetry.

5. The adjustable torque auxiliary bow according to claim 1, characterized in that: The spring (2) has 2 or 3 turns of spiral.

Images