Tubular accessory

Abstract

The present application provides a tubular accessory comprising: a base body for bonding to a tooth or a dental device surface; the outer wall extends outwards from the base body and is provided with a first channel for an insertion structure to be inserted; the first clamping part is connected to the outer wall and / or the base body, the first clamping part comprises a first elastic part and a second elastic part, a second channel coaxial with the first channel is defined by the first elastic part and the second elastic part, and the second channel is communicated with the first channel; the first part and the second part can change the radial size of the second channel under the action of external force, and when the insertion structure is inserted into the first channel and the second channel, the first part and the second part can be clamped on the outer surface of the insertion structure.

Description

Technical Field

[0001] The present application relates to the technical field of medical devices, and in particular to a tubular accessory. Background Art

[0002] During orthodontics, tubular accessories, such as buccal tubes, are often used. The tubular accessories are generally matched with insertion structures such as steel wires. Due to different usage scenarios of the insertion structures or errors in the processing of the insertion structures, the size of the insertion structures is not fixed. In addition, the current tubular accessories and insertion structures are often matched with clearance fits, and there is no good way to fix and lock the tubular accessories and the insertion structure, which is not conducive to the stability of the insertion structure and does not meet the precise requirements for the position of the tubular accessories and the insertion structure. Utility Model Content

[0003] The present application provides a tubular accessory that can at least partially solve the above-mentioned problems.

[0004] The embodiment of the present application provides a tubular attachment, comprising: a base body, for bonding to a tooth or a surface of a dental device;

[0005] An outer wall extending outward from the base, the outer wall having a first channel for inserting an insertion structure;

[0006] A first fixing portion is connected to the outer wall and / or the base, and the first fixing portion includes an elastic first part and a second part, the first part and the second part enclose a second channel coaxial with the first channel, and the second channel is connected to the first channel; the first part and the second part can change the radial size of the second channel under the action of an external force, and when the insertion structure is inserted into the first channel and the second channel, the first part and the second part can be clamped on the outer surface of the insertion structure.

[0007] Optionally, the first part and the second part are separately arranged, and a first adjustment gap is provided at the separation point between the first part and the second part.

[0008] Optionally, the first portion includes at least two separately arranged first sub-portions, and a second adjustment gap is arranged between the two first sub-portions.

[0009] Optionally, an extending direction of the first adjustment slot is parallel to an axial direction of the first channel.

[0010] Optionally, the second channel has a gradual channel, the gradual channel includes a first opening and a second opening, the first opening is connected to the first channel, the second opening is directly connected to the outside, and the radial size of the gradual channel gradually increases in the direction from the second opening to the first opening.

[0011] Optionally, a first adjustment gap is provided between the first part and the second part, wherein a projection distance of the first adjustment gap on the central axis of the second channel is greater than or equal to a distance from the first opening to the second opening.

[0012] Optionally, a central axis of the first channel and a central axis of the first opening are on the same straight line, and a size of the first opening is the same as a radial size of the first channel.

[0013] Optionally, in a direction from the second opening to the first opening, a thickness of the first portion and / or the second portion gradually decreases.

[0014] Optionally, the outer wall includes a first wall and a second wall, the first wall extends outward from the base to form the first channel for inserting the insertion structure, and the second wall extends from the first wall to a side close to the fixing portion, and the second wall surrounds the outer periphery of the first fixing portion.

[0015] Optionally, the tubular accessory further includes a second fixing portion, wherein the second fixing portion and the fixing portion are located at two opposite ends of the first channel, the second fixing portion having a third channel coaxial with the first channel, and the second fixing portion is used to clamp the insertion structure when the insertion structure is inserted into the first channel and the third channel.

[0016] Optionally, the first part and the second part are both provided with a chamfer at an end of the second channel away from the first channel, the chamfer extends along the circumference of the second channel, and the chamfer extends from the outer circumference of the second channel to the outside.

[0017] The tubular attachment provided by the present application includes at least the following advantages:

[0018] When the insertion structure is inserted into the second channel, the insertion structure can squeeze the first part and the second part, so that the radial size of the second channel becomes larger, and the insertion structure can smoothly pass through the second channel and be inserted into the first channel. After the insertion structure and the tubular accessory are assembled, that is, the insertion structure is inserted into the first channel and the second channel, the first part and the second part will be clamped on the outer surface of the insertion structure due to the rebound force after being squeezed by the insertion structure, and the insertion structure will be fixed. No matter how the radial size of the insertion structure changes, the first part and the second part can be clamped in the first channel and the second channel by the rebound force after being squeezed by the insertion structure, which can improve the stability of the assembly of the insertion structure and the tubular accessory. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1is a schematic structural diagram of a tubular accessory shown in an embodiment;

[0020] Figure 2 is a structural schematic diagram of a tubular accessory shown in an embodiment from another perspective;

[0021] Figure 3 is a schematic structural diagram of a tubular attachment shown in another embodiment;

[0022] Figure 4 2 is a schematic structural diagram of a tubular accessory shown in yet another embodiment.

[0023] Explanation of the accompanying drawings: 10, outer wall; 11, first wall; 111, first channel; 12, second wall; 20, base; 21, second surface; 30, first fixing portion; 31, first part; 311, first sub-part; 312, chamfer; 32, second part; 33, second channel; 34, first adjustment slot; 35, second adjustment slot; 40, second fixing portion. DETAILED DESCRIPTION

[0024] Here, exemplary embodiments will be described in detail, and examples thereof are shown in the accompanying drawings. When the following description refers to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The implementations described in the following exemplary embodiments do not represent all implementations under the concept of the present application. Instead, they are only examples of some devices and methods that present the concept of the present application.

[0025] The terms used in this application are only for the purpose of describing specific embodiments, and are not intended to limit this application. Unless otherwise defined, the technical terms or scientific terms used in this application should be understood by people with ordinary skills in the field to which this application belongs. The "first", "second" and similar words used in this application do not indicate any order, quantity or importance, but are only used to distinguish different components. Similarly, similar words such as "one" or "one" do not indicate quantitative restrictions, but indicate that there is at least one, and will be separately described if only "one" is referred to. "Multiple" or "several" means two or more. Unless otherwise specified, similar words such as "front", "rear", "lower" and / or "upper", "top", "bottom" are only for the convenience of explanation, and are not limited to one position or one spatial orientation. Similar words such as "include" or "include" mean that the elements or objects appearing in front of "include" or "include" cover the elements or objects listed after "include" or "include" and their equivalent elements or objects, and do not exclude other elements or objects. The words "connected" or "connected" and the like are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

[0026] The embodiment of the present application provides a tubular attachment, which can be applied to a shell-shaped dental appliance, such as a buccal tube, etc. The dental appliance also includes an insertion structure that matches the tubular attachment, and the insertion structure can be an archwire, but is not limited thereto. The present application is described in detail below in conjunction with the accompanying drawings. In the absence of conflict, the technical features in the following embodiments and implementations can be combined with each other.

[0027] Please refer to Figure 1 and Figure 2 The tubular attachment includes a base 20, an outer wall 10 and a first fixing portion 30. The base 20 is used to be bonded to the surface of teeth or dental equipment. The outer wall 10 extends outward from the base 20, and the outer wall 10 has a first channel 111 for inserting the insertion structure. The first fixing portion 30 is connected to the outer wall 10 and / or the base 20, that is, the fixing portion can be connected to the outer wall 10, can also be connected to the base 20, and can also be connected to both the outer wall 10 and the base 20. The first fixing portion 30 includes an elastic first part 31 and a second part 32, the first part 31 and the second part 32 surround a second channel 33 coaxial with the first channel 111, the second channel 33 is connected to the first channel 111, the first part 31 and the second part 32 can change the radial size of the second channel 33 under the action of external force, and when the insertion structure is inserted into the first channel 111 and the second channel 33, the first part 31 and the second part 32 can be clamped on the outer surface of the insertion structure.

[0028] Thus, when the insertion structure is inserted into the second channel 33, the first part 31 and the second part 32 are elastic, so that the insertion structure can squeeze the first part 31 and the second part 32, so that the radial dimension of the second channel 33 becomes larger, and the insertion structure can smoothly pass through the second channel 33 and be inserted into the first channel 111. After the insertion structure and the tubular accessory are assembled, that is, the insertion structure is inserted into the first channel 111 and the second channel 33, the first part 31 and the second part 32 will be clamped on the outer surface of the insertion structure due to the rebound force after being squeezed by the insertion structure, so as to fix the insertion structure. No matter how the radial dimension of the insertion structure changes, the first part 31 and the second part 32 can be clamped in the first channel 111 and the second channel 33 by the rebound force after being squeezed by the insertion structure, which can improve the stability of the assembly of the insertion structure and the tubular accessory.

[0029] It should be noted that the shape of the first channel 111 should be compatible with the shape of the insertion structure, and the shapes of the radial cross-sections of the first channel 111 and the insertion structure can be circular or square, but are not limited thereto. The shape of the second channel 33 formed by the first part 31 and the second part 32 can be arbitrary. It is easy to understand that the first part 31 and the second part 32 only need to be able to be clamped on the outer surface of the insertion structure. In this embodiment, the shape of the second channel 33 is also compatible with the shape of the insertion structure, so that the contact surface between the first part 31 and the second part 32 and the insertion structure is larger, so that the first part 31 and the second part 32 can better clamp the insertion structure.

[0030] like Figure 1 In the illustrated embodiment, the base 20 includes a first surface and a second surface 21 opposite to each other, the first surface (not shown) is used to be bonded to the surface of the tooth, and the outer wall 10 extends from the second surface 21 in a direction away from the first surface. Figure 1 The outer wall 10 has a first channel 111 extending therethrough. When the tubular attachment is applied to the teeth, the length direction of the first channel 111 is consistent with the arrangement direction of the teeth. The base 20 and the outer wall 10 may be integrally formed, but not limited thereto.

[0031] In one embodiment, the first portion 31 and the second portion 32 are separately provided, and a first adjustment gap 34 is provided between the first portion 31 and the second portion 32. Compared with the first portion 31 and the second portion 32 abutting against each other, the first adjustment gap 34 can make the first portion 31 and the second portion 32 more easily squeezed and deformed, thereby making it easier to change the radial dimension of the second channel 33, so as to facilitate the insertion of the insertion structure into the second channel 33.

[0032] In another embodiment, the first part 31 and the second part 32 are at least partially connected in structure (not shown). Specifically, the first part 31 includes a first connecting portion and a first separating portion, and the second part 32 includes a second connecting portion and a second separating portion, the first connecting portion and the second connecting portion are connected, and the first separating portion and the second separating portion are separately arranged. When the insertion structure is inserted into the second channel 33, the first separating portion and the second separating portion are squeezed and can be separated. After the insertion structure and the tubular accessory are assembled, the first separating portion and the second separating portion can be clamped on the outer surface of the insertion structure by the rebound force to fix the insertion structure.

[0033] In one embodiment, the extending direction of the first adjustment slit 34 is parallel to the axial direction of the second channel 33. In other words, when the tubular attachment is installed on the teeth, the extending direction of the first adjustment slit 34 is approximately parallel to the arrangement direction of the teeth; wherein, for the sake of convenience, in the embodiment of the present application, the extending direction of the first adjustment slit 34 is the length direction of the first adjustment slit 34. When the length direction of the first adjustment slit 34 is parallel to the axial direction of the second channel 33, the second channel 33 formed by the first part 31 and the second part 32 can better adapt to the insertion structure of different radial sizes, thereby better clamping the insertion structure.

[0034] In one embodiment, the first portion 31 includes at least two first sub-portions 311 that are separately arranged, and a second adjustment slit 35 is arranged between the two first sub-portions 311. By configuring the first portion 31 to be at least two separate first sub-portions 311, the elasticity of the first portion 31 can be improved, so that the first portion 31 is more easily squeezed and stretched by the insertion structure, so that the insertion structure can be smoothly inserted into the second channel 33. The length of the second adjustment slit 35 can also be parallel to the axial direction of the second channel 33, but is not limited thereto.

[0035] like Figure 1 In the illustrated embodiment, the first portion 31 includes two first sub-portions 311 that are separately arranged, and the two first sub-portions 311 and the second portion 32 are arranged opposite to each other, and together form a second channel 33. The two first sub-portions 311 extend outward from the outer wall 10 along the central axis direction of the first channel 111, and the second portion 32 extends outward from the outer wall 10 along the central axis direction of the first channel 111, and the second portion 32 also extends upward from the second surface 21 of the base 20. In other words, one end of the two first sub-portions 311 is connected to the outer wall 10, and the other end is a free end, and the second portion 32 is connected to both the outer wall 10 and the base 20. This can improve the structural stability of the tubular accessory as a whole. It should be noted that the two first sub-portions 311 and the second portion 32 can be integrally formed with the base 20 and the outer wall 10, but is not limited thereto.

[0036] Furthermore, the two first sub-portions 311 have the same shape and structure, and the two first sub-portions 311 are symmetrically arranged with the second adjustment slit 35 as the symmetry axis. At the same time, the positions of the two first sub-portions 311 are symmetrically arranged with the central axis of the first adjustment slit 34 as the symmetry axis and the position of the second portion 32. In this way, when the two first sub-portions 311 and the second portion 32 are clamped on the outer surface of the insertion structure, the clamping force on the insertion structure can be more uniform, which is beneficial to improving the clamping stability of the first clamping portion 30 on the insertion structure, thereby improving the accuracy of the assembly position of the insertion structure and the tubular accessory. Specifically, as Figure 1As shown, the first fixing portion 30 is a truncated cone structure, and the second channel 33 is a channel at the center of the truncated cone structure. The first elastic slit is set along the height direction of the truncated cone structure and is located in the middle of the truncated cone structure, dividing the fixing portion into a first portion 31 and a second portion 32 that are approximately equal. The second elastic slit is also set along the height direction of the truncated cone structure and is located in the middle of the first portion 31, dividing the first portion 31 into two equal first sub-portions 311. The height direction of the truncated cone structure is consistent with the axial direction of the second channel 33.

[0037] In one embodiment, the second channel 33 includes a gradual channel, and the gradual channel includes a first opening and a second opening. The first opening is connected to the second channel 33, and the second opening is directly connected to the outside world. In the direction in which the second opening points to the first opening, the radial size of the second channel 33 gradually increases. Since the radial size of the second channel 33 gradually increases from the second opening to the first opening, the second channel 33 can adapt to insertion structures of different radial sizes. Whether it is a smaller radial insertion structure or a larger radial insertion structure, it can be smoothly penetrated in the second channel 33. In addition, the second opening is the insertion end of the insertion structure, and the smaller radial size of the second opening can guide the insertion structure, help the insertion structure to correctly guide into the second channel 33, and enter the first channel 111 along the second channel 33. Among them, the second channel 33 can be a gradual channel as a whole, or at least part of the second channel 33 is a gradual channel. Preferably, the second channel 33 is a gradual channel as a whole, that is, the second channel 33 is composed of a gradual channel.

[0038] In one embodiment, a first adjustment slit 34 is provided between the first portion 31 and the second portion 32, wherein the projection distance of the first adjustment slit 34 on the central axis of the second channel 33 is greater than or equal to the distance from the first opening to the second opening. In other words, the projection length of the first adjustment slit 34 along the central axis of the second channel 33 is greater than or equal to the axial length of the gradual channel. Through the above arrangement, during the insertion of the insertion structure into the gradual channel, the first portion 31 and the second portion 32 can always be more easily squeezed in the gradual channel portion, thereby facilitating the insertion of the insertion structure.

[0039] like Figure 1 and Figure 2 In the illustrated embodiment, the second channel 33 is a gradual channel as a whole, the first adjustment slit 34 extends along the axial direction of the second channel 33 , and the length of the first adjustment slit 34 is equal to the axial length of the second channel 33 .

[0040] In one embodiment, the central axis of the first channel 111 is in the same straight line as the central axis of the first opening, and the size of the first opening is the same as the radial size of the second channel 33. The consistency of the radial size of the first channel 111 and the size of the first opening can provide accurate positioning and alignment, and when the insertion structure is inserted out of the first opening of the second channel 33, it can be smoothly and accurately inserted into the first channel 111, meeting the insertion structure's precise requirements for the position.

[0041] In one embodiment, in the direction from the second opening to the first opening, the thickness of the first part 31 and / or the second part 32 gradually decreases. In this way, on the one hand, it can be relatively easy to achieve "in the direction from the second opening to the first opening, the radial dimension of the second channel 33 gradually increases". On the other hand, it is also beneficial to save materials and reduce costs. It should be noted that the direction of the above thickness is consistent with the radial direction of the second channel 33. Preferably, in the present embodiment, in the direction from the second opening to the first opening, the thickness of the first part 31 and the second part 32 both gradually decreases, and the thickness variation of the first part 31 and the second part 32 is uniform and smooth, so as to reduce the insertion resistance of the insertion structure.

[0042] Furthermore, in the direction from the first opening to the second opening, the first part 31 and the second part 32 can gradually tilt toward the central axis of the second channel 33, so that "in the direction from the second opening to the first opening, the radial dimension of the second channel 33 gradually increases".

[0043] In one embodiment, the outer wall 10 and the base 20 extend to the periphery of the clamping portion. Since there is a first adjustment gap 34 between the first portion 31 and the second portion 32, there are relatively sharp portions at the first adjustment gap 34 of the first portion 31 and the second portion 32. By covering the outer wall 10 on the periphery of the first portion 31 and the second portion 32, the sharp portions of the first portion 31 and the second portion 32 are covered, so that the operator can be prevented from accidentally touching the sharp portions, thereby providing a certain degree of protection for the operator.

[0044] For more information, see Figure 3 Combined with Figure 1 The outer wall 10 includes an integrally formed first wall 11 and a second wall 12. The first wall 11 extends outward from the base 20 to form the first channel 111 for inserting the insert structure. The second wall 12 extends from the first wall 11 to the fixing portion. The second wall 12 cooperates with the base 20 to surround the fixing portion, that is, the fixing portion is arranged in the cavity surrounded by the second wall 12 and the base 20. The thickness of the first wall 11 is equal everywhere, so that the radial size of the first channel 111 is equal everywhere. The thickness of the second wall 12 is less than that of the first wall 11 to save materials.

[0045] In one embodiment, please refer to Figure 4 The first part 31 and the second part 32 are both provided with a chamfer 312 at one end of the second channel 33 away from the first channel 111. The chamfer 312 extends along the circumference of the second channel 33 and extends outward from the outer circumference of the second channel 33. The chamfer 312 can guide the insertion structure and facilitate the insertion of the insertion structure into the second channel 33. Figure 4 Said

[0046] The material of the outer wall 10, the base 20, and the first fixing part 30 can be stainless steel, titanium alloy, chromium-cobalt alloy, TPU, PETG, PC, PP, PA, POM, PBT, PPO, PVC, PE, PTFE, PS, ABS, PEEK, etc., but not limited thereto.

[0047] In one embodiment, the tubular accessory further includes a second fixing portion 40, which is located at opposite ends of the first channel 111 and has a third channel coaxial with the second channel 33. The second fixing portion 40 is used to clamp the insertion structure when the insertion structure is inserted into the second channel 33 and the second channel 33.

[0048] The specific structure and arrangement of the second fixing portion 40 can refer to the first fixing portion 30, and this embodiment will not repeat them. In addition, the outer wall 10 and the base 20 can also extend to the second fixing portion 40 to surround the second fixing portion 40, and the specific arrangement and effect can also refer to the above embodiment.

[0049] By arranging the first fixing part 30 and the second fixing part 40 at both ends of the first channel 111, the first fixing part 30 and the second fixing part 40 can be clamped on the outer surface of the insertion structure, which can improve the fixing effect of the insertion structure, so that the insertion structure can be more stably matched with the tubular accessory. In addition, the first fixing part 30 and the second fixing part 40 are arranged at opposite ends of the first channel 111, and the insertion structure can be inserted at any end, that is, the insertion structure can be inserted from the first fixing part 30 or the second fixing part 40, which improves the convenience of operation.

[0050] The singular forms "a", "said" and "the" used in this specification and the appended claims are also intended to include the plural forms, unless the context clearly indicates otherwise. It should also be understood that the term "and / or" used herein refers to and includes any or all possible combinations of one or more of the associated listed items.

[0051] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application shall be included in the scope of protection of the present application.

Claims

1. A tubular accessory, characterized in that: include: a substrate for bonding to the surface of a tooth or dental device; An outer wall extending outward from the base, the outer wall having a first channel for inserting an insertion structure; A first fixing portion is connected to the outer wall and / or the base, and the first fixing portion includes an elastic first part and a second part, the first part and the second part enclose a second channel coaxial with the first channel, and the second channel is connected to the first channel; the first part and the second part can change the radial size of the second channel under the action of an external force, and when the insertion structure is inserted into the first channel and the second channel, the first part and the second part can be clamped on the outer surface of the insertion structure.

2. The tubular attachment according to claim 1, characterized in that: The first part and the second part are separately arranged, and a first adjustment gap is provided at a separation point between the first part and the second part.

3. The tubular attachment according to claim 2, characterized in that: The first portion includes at least two first sub-portions which are separately arranged, and a second adjustment gap is arranged between the two first sub-portions.

4. The tubular attachment according to claim 2, characterized in that: An extending direction of the first adjustment slot is parallel to an axial direction of the first channel.

5. The tubular attachment according to claim 1, characterized in that: The second channel has a gradual channel, and the gradual channel includes a first opening and a second opening. The first opening is connected to the first channel, and the second opening is directly connected to the outside. In the direction in which the second opening points to the first opening, the radial size of the gradual channel gradually increases.

6. The tubular attachment according to claim 5, characterized in that: A first adjustment gap is provided between the first portion and the second portion, wherein a projection distance of the first adjustment gap on the central axis of the second channel is greater than or equal to a distance from the first opening to the second opening.

7. The tubular attachment according to claim 5, characterized in that: The central axis of the first channel is on the same straight line as the central axis of the first opening, and the size of the first opening is the same as the radial size of the first channel.

8. The tubular attachment according to claim 5, characterized in that: In a direction from the second opening to the first opening, the thickness of the first portion and / or the second portion gradually decreases.

9. The tubular attachment according to any one of claims 1 to 8, characterized in that: The outer wall includes a first wall and a second wall. The first wall extends outward from the base to form the first channel for inserting the insertion structure. The second wall extends from the first wall to a side close to the fixing portion. The second wall surrounds the outer periphery of the first fixing portion.

10. The tubular attachment according to any one of claims 1 to 8, characterized in that: The tubular attachment further comprises a second fixing portion, wherein the second fixing portion and the fixing portion are located at two opposite ends of the first channel, the second fixing portion has a third channel coaxial with the first channel, and the second fixing portion is used to clamp the insertion structure when the insertion structure is inserted into the first channel and the third channel.

11. The tubular attachment according to any one of claims 1 to 8, characterized in that: The first part and the second part are both provided with a chamfer at one end of the second channel away from the first channel, the chamfer extends along the circumference of the second channel, and the chamfer extends from the outer circumference of the second channel to the outside.

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