Bracket-free invisible orthodontic device for treating second-class malocclusion of teeth

By designing the upper and lower braces and adjustment components of the bracketless invisible orthodontic device, the problems of complex operation and poor stability of the existing device are solved, and the stable connection and invisible orthodontic of the traction buckle are achieved.

CN223248336UActive Publication Date: 2025-08-22HUNAN WEIAI MEDICAL EQUIPMENT CO LTD
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Patent Information

Application Number
CN202422456829.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-11
Publication Date
2025-08-22
Estimated Expiration
2034-10-11

AI Technical Summary

Technical Problem

The existing invisible orthodontic devices are complex in operation during the traction process, with a single force point, which is easy to fall off, resulting in tooth elongation and inclination.

Method used

A bracketless invisible orthodontic device is designed, including upper and lower braces and adjustment components. By setting slots, engaging frames, positioning slots and elastic rubber bands, adjustable connection of the traction buckle is achieved to ensure stability and invisible orthodontic.

Benefits of technology

It improves the stability and adjustment convenience of the traction buckle, avoids falling off, and achieves the effect of invisible correction.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a bracket-free invisible correction device for treating class II malocclusion of teeth, and belongs to the technical field of tooth correction. The bracket-free invisible orthodontic device for treating second-class malocclusion of teeth comprises a first orthodontic piece, a second orthodontic piece and an adjusting assembly, the first orthodontic piece comprises an upper tooth socket, the second orthodontic piece comprises a lower tooth socket, tooth-shaped grooves are formed in the upper tooth socket and the lower tooth socket, the cross section of the upper tooth socket and the cross section of the lower tooth socket are U-shaped, and the adjusting assembly is arranged on the upper tooth socket and the lower tooth socket. The adjusting assembly comprises a pair of first adjusting strips and a pair of second adjusting strips, the pair of first adjusting strips are arranged on the two sides of the outer wall of the upper tooth socket respectively, and the pair of second adjusting strips are arranged on the two sides of the outer wall of the lower tooth socket respectively; traction buckles are arranged on the sides, away from the outer wall of the upper tooth socket, of the pair of first adjusting strips and the sides, away from the outer wall of the lower tooth socket, of the pair of second adjusting strips, and an elastic rubber band is wound between the pair of traction buckles on the same side.
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Description

Technical Field

[0001] The utility model relates to the technical field of dental correction, in particular to a bracket-free invisible correction device for treating Class II malocclusion. Background Art

[0002] Malocclusion refers to the developmental deformities of teeth, jaws, and faces that may occur during a child's growth and development due to the influence of various factors such as genetics and the environment. Malocclusion refers to the developmental deformities of teeth, jaws, and faces that may occur during a child's growth and development due to the influence of various factors such as genetics and the environment (an ideal normal jaw refers to the presence of all upper and lower teeth, neat arrangement, good contact relationship between the cusps and concavities, normal jaw development, and good dental arch shape), which affect the beauty and health of the face.

[0003] Based on the above, the inventors have discovered the following problems: the current invisible orthodontic device traction device generally directly bonds the traction buckle to the teeth of the patient, which has a complicated operation process, a single force point, and is easy to fall off. During the traction process, since the force point is at a single tooth position, it is easy to cause unnecessary elongation and tilting of the tooth.

[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and a bracketless invisible orthodontic device for treating Class II malocclusion is provided, in order to achieve a purpose with greater practical value. Utility Model Content

[0005] The purpose of the present utility model is to provide a bracketless invisible orthodontic device for treating Class II malocclusion of teeth, so as to solve the problems raised in the above-mentioned background technology.

[0006] In view of the above problems, the technical solution proposed by the present invention is:

[0007] A bracketless invisible orthodontic device for treating Class II malocclusion, comprising a first orthodontic component, a second orthodontic component and an adjustment assembly, wherein the first orthodontic component comprises an upper brace, and the second orthodontic component comprises a lower brace, the upper brace and the lower brace are both provided with tooth-shaped grooves inside, and the cross-sections of the upper brace and the lower brace are U-shaped, and the adjustment assembly comprises a pair of first adjustment bars and a pair of second adjustment bars, the pair of first adjustment bars are respectively arranged on both sides of the outer wall of the upper brace, and the pair of second adjustment bars are respectively arranged on both sides of the outer wall of the lower brace, and the pair of first adjustment bars are respectively provided on the side of the outer wall away from the upper brace and the pair of second adjustment bars are both provided with traction buckles, and an elastic rubber band is wrapped around the pair of traction buckles on the same side.

[0008] Furthermore, a plurality of slots are provided inside the first adjustment bar and the second adjustment bar, and a snap-fit ​​frame is provided outside the first adjustment bar and the second adjustment bar, and a pair of the snap-fit ​​frames are connected to the back side with an insert block, and a pair of the insert blocks extend to the inside of the slot at the end away from the snap-fit ​​frame and cooperate with the slot gap, and the front side of the pair of snap-fit ​​frames are connected to the traction buckle.

[0009] The beneficial effect of adopting the above-mentioned further scheme is that by setting a number of slots, the several slots on the first adjustment bar and the second adjustment bar are distributed in a straight line with equal distances, and the insert blocks are respectively inserted into the slots of the first adjustment bar and the second adjustment bar, so that the number and position of the traction buckles can be adjusted according to actual correction needs.

[0010] Furthermore, the pair of inserting blocks and the plurality of slots are both square, the pair of snap-fitting frames are both U-shaped, and the inner walls of the pair of snap-fitting frames are respectively fitted with the outer walls of the first adjustment strip and the second adjustment strip.

[0011] The beneficial effect of adopting the above further solution is that by setting the insert block and the slot into a square shape and cooperating with the U-shaped snap-fit ​​frame, the stability of the connection between the snap-fit ​​frame and the traction buckle and the first adjustment strip or the second adjustment strip is improved.

[0012] Furthermore, a pair of the locking frames are provided with positioning grooves at the upper and bottom ends thereof, and cavities are provided inside the first adjustment bar and the second adjustment bar above and below the square grooves, a pair of the cavities are connected to springs on opposite sides thereof, a pair of the springs are connected to square plates on opposite ends thereof, a pair of the square plates are connected to positioning blocks on opposite ends thereof, and a pair of the positioning blocks extend through the cavities at opposite ends thereof to the interior of the positioning grooves, and are engaged with the positioning grooves.

[0013] The beneficial effect of adopting the above-mentioned further scheme is that by pushing the snap-fit ​​frame, the end of the positioning block away from the square plate is inclined, so that during the continuous pushing process, the back side of the snap-fit ​​frame is fit with the front side of the first adjustment strip or the second adjustment strip. At this time, the elastic action of the spring on the positioning block causes the two positioning blocks to extend to the inside of the positioning groove respectively, so that the snap-fit ​​frame is fixed to the outside of the first adjustment strip or the second adjustment strip.

[0014] Furthermore, a pair of sliding grooves are provided on both sides of the inner walls of the positioning grooves, and an extrusion block is slidably connected between the pair of sliding grooves. The opposite ends of the pair of extrusion blocks are respectively pressed and fitted with the opposite ends of the pair of positioning blocks, and the opposite ends of the pair of extrusion blocks are connected with protrusions, and the opposite ends of the pair of protrusions pass through the positioning grooves and extend to the outside.

[0015] The beneficial effect of adopting the above-mentioned further scheme is that by pushing the protrusions into the positioning grooves respectively, the protrusions are squeezed on the extrusion block, so that the extrusion block squeezes the positioning block, so that the positioning block is separated from the positioning groove, so that the snap-fit ​​frame and the first adjustment bar or the second adjustment bar are no longer in a fixed state, which facilitates the subsequent adjustment of the position of the snap-fit ​​frame.

[0016] Furthermore, the pair of extrusion blocks are in a "T" shape, and the outer walls of the opposite ends of the pair of extrusion blocks are gap-matched with the through holes at the bottom end of the positioning groove.

[0017] The beneficial effect of adopting the above further scheme is that by setting the extrusion block into a T shape, when a pair of extrusion blocks continuously shrink toward the inside of the positioning groove, the bottom end of the extrusion block is flush with the through hole at the bottom end of the positioning groove, thereby ensuring that the uppermost end of the positioning block is completely separated from the positioning groove.

[0018] Furthermore, the traction buckle is in an "I" shape, and a groove is provided on the outer wall of the traction buckle, and the outer wall of the groove fits with the inner wall of the elastic rubber band.

[0019] The beneficial effect of adopting the above further solution is that by arranging the traction buckle into an I-shape and providing a groove on the outer wall of the traction buckle, the elastic rubber band is prevented from detaching from the traction buckle.

[0020] Furthermore, both the upper and lower braces are transparent.

[0021] The beneficial effect of adopting the above further solution is that invisible correction can be achieved by making the upper and lower braces transparent.

[0022] Compared with the prior art, the beneficial effects of the present invention are as follows: the bracketless invisible orthodontic device for treating Class II malocclusion of teeth selects appropriate upper and lower braces according to the upper and lower teeth of the patient to be corrected, and then adjusts the number and position of the traction buckles according to actual correction needs, and inserts the insert blocks into the slots of the first adjustment bar and the second adjustment bar respectively, pushes the engaging frame, and the end of the positioning block away from the square plate is inclined, so that the back of the engaging frame is fit with the front of the first adjustment bar or the second adjustment bar during the continuous pushing process. At this time, the elastic action of the spring on the positioning block makes the two positioning blocks extend to the inside of the positioning slot respectively, so that the engaging frame is fixed to the outside of the first adjustment bar or the second adjustment bar, and then the engaging frame and the traction buckle are connected to the first adjustment bar or the second adjustment bar, and then the two ends of the elastic rubber band are hung on a pair of traction buckles on the same side of the outside of the upper and lower braces, thereby achieving tooth correction. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A schematic diagram of the three-dimensional structure of a bracketless invisible orthodontic device for treating Class II malocclusion provided by the present invention;

[0024] Figure 2 A schematic diagram of the three-dimensional structure of an adjustment component of a bracketless invisible orthodontic device for treating Class II malocclusion provided by the present invention;

[0025] Figure 3 This is an exploded three-dimensional structural diagram of a second adjustment bar of a bracketless invisible orthodontic device for treating Class II dental malocclusion provided by the present invention;

[0026] Figure 4 The utility model provides a bracket-free invisible orthodontic device for treating class II malocclusion of teeth. Figure 3 A magnified schematic diagram of the structure in the middle;

[0027] Figure 5 This is a schematic diagram of the partial side sectional structure of the second adjustment strip of a bracketless invisible orthodontic device for treating Class II malocclusion provided by the utility model.

[0028] In the figure: 100, first orthodontic component; 1001, upper braces; 200, second orthodontic component; 2001, lower braces; 300, adjustment assembly; 3001, first adjustment bar; 3002, second adjustment bar; 3003, slot; 3004, insert; 3005, snap-fit ​​frame; 3006, positioning groove; 3007, cavity; 3008, square plate; 3009, spring; 3010, positioning block; 3011, extrusion block; 3012, protrusion; 400, traction buckle; 500, groove; 600, elastic rubber band. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] See also Figure 1-Figure 5The utility model provides a technical solution: a bracketless invisible orthodontic device for treating Class II malocclusion, comprising a first orthodontic component 100, a second orthodontic component 200 and an adjustment assembly 300, wherein the first orthodontic component 100 comprises an upper brace 1001, and the second orthodontic component 200 comprises a lower brace 2001, wherein the interiors of the upper brace 1001 and the lower brace 2001 are both provided with tooth-shaped grooves, and the cross-sections of the upper brace 1001 and the lower brace 2001 are U-shaped, and the adjustment assembly 300 comprises a pair of first adjustment bars 3001 and a pair of second adjustment bars 3002, wherein the pair of first adjustment bars 3001 are respectively arranged on both sides of the outer wall of the upper brace 1001, and the pair of second adjustment bars 3002 are respectively arranged on both sides of the outer wall of the upper brace 1001, and the pair of second adjustment bars 3002 are respectively arranged on both sides of the outer wall of the upper brace It is arranged on both sides of the outer wall of the lower braces 2001, and a pair of first adjustment strips 3001 are provided on the side of the outer wall away from the upper braces 1001 and a pair of second adjustment strips 3002 are provided on the side of the outer wall away from the lower braces 2001. An elastic rubber band 600 is wound around the pair of traction buckles 400 on the same side. According to the upper and lower teeth of the patient to be corrected, the appropriate upper braces 1001 and lower braces 2001 are selected, and then the number and position of the traction buckles 400 are adjusted according to the actual correction needs, and then the two ends of the elastic rubber band 600 are respectively hung on the pair of traction buckles 400 on the same side of the outside of the upper braces 1001 and the lower braces 2001, thereby achieving tooth correction.

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0032] See also Figure 1-Figure 5The present invention provides a technical solution: a plurality of slots 3003 are provided inside the first adjustment bar 3001 and the second adjustment bar 3002, a snap-fit ​​frame 3005 is provided on the outside of the first adjustment bar 3001 and the second adjustment bar 3002, a pair of snap-fit ​​frames 3005 are connected to the back of each other with an insert block 3004, a pair of insert blocks 3004 are extended to the inside of the slots 3003 at one end away from the snap-fit ​​frame 3005, and are loosely matched with the slots 3003, and the front of each pair of snap-fit ​​frames 3005 are connected to the traction buckle 400. , a pair of inserts 3004 and a plurality of slots 3003 are square, a pair of snap-fitting frames 3005 are U-shaped, and the inner walls of the pair of snap-fitting frames 3005 are respectively fitted with the outer walls of the first adjustment bar 3001 and the second adjustment bar 3002, a pair of snap-fitting frames 3005 are provided with positioning grooves 3006 at the upper and bottom ends thereof, the first adjustment bar 3001 and the second adjustment bar 3002 are provided with cavities 3007 at the upper and lower ends thereof, a pair of cavities 3007 are connected to springs 3009 on opposite sides thereof, and a pair of springs are provided to form a plurality of springs. The opposite ends of the springs 3009 are connected to the square plates 3008, and the opposite ends of the pair of square plates 3008 are connected to the positioning blocks 3010. The opposite ends of the pair of positioning blocks 3010 extend through the cavity 3007 to the interior of the positioning grooves 3006 and are engaged with the positioning grooves 3006. The insert blocks 3004 are respectively inserted into the slots 3003 of the first adjustment bar 3001 and the second adjustment bar 3002, and the engaging frame 3005 is pushed. The end of the positioning block 3010 away from the square plates 3008 is tilted, so that the engaging frame 3005 005 is continuously pushed, so that the back side of the snap-fitting frame 3005 fits with the front side of the first adjustment bar 3001 or the second adjustment bar 3002. At this time, the spring 3009 exerts elastic action on the positioning block 3010, so that the two positioning blocks 3010 extend to the inside of the positioning groove 3006 respectively, so that the snap-fitting frame 3005 is fixed to the outside of the first adjustment bar 3001 or the second adjustment bar 3002, thereby connecting the snap-fitting frame 3005 and the traction buckle 400 with the first adjustment bar 3001 or the second adjustment bar 3002.

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0034] See also Figure 1-Figure 5The cam 3012 of the second retaining element 3011 is pressed against the cam 3010 at the opposite end and the cam 3013 is pressed against the cam 3010 at the opposite end. The movable protrusion 3012 is used to extrude the extrusion block 3011, so that the extrusion block 3011 extrudes the positioning block 3010. By setting the extrusion block 3011 into a T shape, when a pair of extrusion blocks 3011 continuously shrink toward the inside of the positioning groove 3006, the bottom end of the extrusion block 3011 is flush with the through hole at the bottom end of the positioning groove 3006, thereby ensuring that the upper end of the positioning block 3010 is completely separated from the positioning groove 3006, so that the locking frame 3005 and the first adjustment bar 3001 or the second adjustment bar 3002 are no longer in a fixed state, which is convenient for subsequent adjustment of the position of the locking frame 3005. By setting the traction buckle 400 into an I-shape and providing a groove 500 on the outer wall of the traction buckle 400, the elastic rubber band 600 is prevented from detaching from the traction buckle 400, and the upper braces 1001 and the lower braces 2001 are transparent, invisible correction is achieved.

[0035] Specifically, the working principle of the bracketless invisible orthodontic device for treating Class II malocclusion is as follows: when in use, according to the upper and lower dentitions of the patient to be corrected, the appropriate upper braces 1001 and lower braces 2001 are selected, and then according to the actual correction needs, the number and position of the traction buckles 400 are adjusted, and the clamping frame 3005 is pushed. The end of the positioning block 3010 away from the square plate 3008 is inclined, so that the back of the clamping frame 3005 is aligned with the first adjustment bar 3008 during the continuous pushing process. 01 or the front of the second adjustment bar 3002 is fitted, at this time, the spring 3009 acts on the positioning block 3010, so that the two positioning blocks 3010 are respectively extended to the inside of the positioning groove 3006, so that the snap-fit ​​frame 3005 is fixed to the outside of the first adjustment bar 3001 or the second adjustment bar 3002, and then the snap-fit ​​frame 3005 and the traction buckle 400 are connected to the first adjustment bar 3001 or the second adjustment bar 3002, and the protrusions 3012 are respectively pushed into the inside of the positioning groove 3006, so that The extrusion block 3011 is extruded, so that the extrusion block 3011 squeezes the positioning block 3010. By setting the extrusion block 3011 into a T shape, when the pair of extrusion blocks 3011 continuously shrink toward the inside of the positioning groove 3006, the bottom end of the extrusion block 3011 is flush with the through hole at the bottom end of the positioning groove 3006, thereby ensuring that the upper end of the positioning block 3010 is completely separated from the positioning groove 3006, so that the engaging frame 3005 and the first adjustment bar 3001 or the second adjustment bar 3002 are no longer The fixed state facilitates the subsequent adjustment of the position of the locking frame 3005, and then the two ends of the elastic rubber band 600 are respectively hung on a pair of traction buckles 400 on the same side of the outer side of the upper braces 1001 and the lower braces 2001, thereby achieving tooth correction. By setting the traction buckle 400 into an I-shape and providing a groove 500 on the outer wall of the traction buckle 400, the elastic rubber band 600 is prevented from detaching from the traction buckle 400. The upper braces 1001 and the lower braces 2001 are transparent, thereby achieving invisible correction.

Claims

1. A bracketless invisible orthodontic device for treating Class II malocclusion, characterized in that: The invention comprises a first correction piece (100), a second correction piece (200) and an adjustment assembly (300), wherein the first correction piece (100) comprises an upper brace (1001), the second correction piece (200) comprises a lower brace (2001), the upper brace (1001) and the lower brace (2001) are both provided with tooth-shaped grooves, and the cross sections of the upper brace (1001) and the lower brace (2001) are U-shaped, and the adjustment assembly (300) comprises a pair of first adjustment bars (3001) and a pair of second adjustment bars (3001). 2), a pair of the first adjustment strips (3001) are respectively arranged on both sides of the outer wall of the upper braces (1001), and a pair of the second adjustment strips (3002) are respectively arranged on both sides of the outer wall of the lower braces (2001), and a pair of the first adjustment strips (3001) are respectively arranged on both sides of the outer wall of the lower braces (2001), and a pair of the first adjustment strips (3001) are provided with a traction buckle (400) on one side away from the outer wall of the upper braces (1001) and a pair of the second adjustment strips (3002) are provided with a traction buckle (400), and an elastic rubber band (600) is wound between the pair of the traction buckles (400) on the same side.

2. A bracketless invisible orthodontic device for treating Class II malocclusion according to claim 1, characterized in that: A plurality of slots (3003) are provided inside the first adjustment bar (3001) and the second adjustment bar (3002), and a snap-fit ​​frame (3005) is provided outside the first adjustment bar (3001) and the second adjustment bar (3002). The backs of a pair of snap-fit ​​frames (3005) are connected to plug blocks (3004). The ends of the pair of plug blocks (3004) away from the snap-fit ​​frames (3005) extend to the inside of the slots (3003) and are loosely fitted with the slots (3003). The fronts of the pair of snap-fit ​​frames (3005) are connected to the traction buckle (400).

3. The bracketless invisible orthodontic device for treating Class II malocclusion according to claim 2, characterized in that: The pair of insert blocks (3004) and the plurality of slots (3003) are both square, the pair of snap-fit ​​frames (3005) are both U-shaped, and the inner walls of the pair of snap-fit ​​frames (3005) are respectively fitted with the outer walls of the first adjustment strip (3001) and the second adjustment strip (3002).

4. The bracketless invisible orthodontic device for treating Class II malocclusion according to claim 3, characterized in that: A pair of the locking frames (3005) are provided with positioning grooves (3006) at the upper and lower ends thereof, and cavities (3007) are provided at the upper and lower ends thereof of the first adjustment bar (3001) and the second adjustment bar (3002), respectively. The opposite sides of the pair of cavities (3007) are connected to springs (3009), and the opposite ends of the pair of springs (3009) are connected to square plates (3008), and the opposite ends of the pair of square plates (3008) are connected to positioning blocks (3010), and the opposite ends of the pair of positioning blocks (3010) pass through the cavities (3007) and extend into the interior of the positioning grooves (3006), and are both engaged with the positioning grooves (3006).

5. The bracketless invisible orthodontic device for treating Class II malocclusion according to claim 4, characterized in that: Slide grooves are provided on both sides of the inner walls of the pair of positioning grooves (3006), and an extrusion block (3011) is slidably connected between the pair of slide grooves. The opposite ends of the pair of extrusion blocks (3011) are respectively pressed and fitted with the opposite ends of the pair of positioning blocks (3010), and the opposite ends of the pair of extrusion blocks (3011) are connected with protrusions (3012), and the opposite ends of the pair of protrusions (3012) pass through the positioning grooves (3006) and extend to the outside.

6. The bracketless invisible orthodontic device for treating Class II malocclusion according to claim 5, characterized in that: The pair of extrusion blocks (3011) are in a "T" shape, and the outer walls of opposite ends of the pair of extrusion blocks (3011) are gap-matched with the through holes at the bottom end of the positioning groove (3006).

7. The bracketless invisible orthodontic device for treating Class II malocclusion according to claim 1, characterized in that: The traction buckle (400) is in the shape of an "I" character, and a groove (500) is provided on the outer wall of the traction buckle (400), and the outer wall of the groove (500) is in contact with the inner wall of the elastic rubber band (600).

8. The bracketless invisible orthodontic device for treating Class II malocclusion according to claim 1, characterized in that: The upper braces (1001) and the lower braces (2001) are both transparent.