A shell-like dental appliance

Abstract

The application discloses a shell-shaped tooth corrector and relates to the technical field of medical devices, which comprises a protective shell, a tooth body and a gum, the protective shell is sleeved at the top of the gum, and a guide rod is connected to the inside of the protective shell. When the application is used, the occlusal force is converted into downward moving power through the guide rod, and finally, the first tooth plate, the first gear, the one-way bearing and the restoring spring are used to move up and down continuously, so as to indirectly drive the bidirectional transmission assembly, finally, the corresponding connecting plate is moved, and the connecting column and the hinge seat are used to make each occlusion a correction process and each release a reset process, and the above process is repeated to continuously apply a relative force to the outside of the staggered tooth body, so that the staggered tooth body is restored, the operation is simple, the effect is better, and the shell-shaped tooth corrector is not easy to be damaged.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of medical devices, in particular to a shell-shaped tooth appliance. BACKGROUND

[0002] Malocclusion refers to the malformation of teeth, jaws, and craniofacial features caused by congenital genetic factors or environmental factors during the growth and development of children, such as misaligned teeth, protruding upper teeth, protruding lower jaw, and crooked mouth. Among them, the staggered arrangement of single-row teeth can cause significant problems in tooth occlusion, such as air leakage, unattractiveness, and a high probability of biting the tongue, causing damage. Therefore, a tooth appliance is needed to correct this condition.

[0003] The existing tooth appliance is generally directly fitted with a tooth sleeve matched with the staggered teeth when in use, utilizing the elastic torsional force between the tooth sleeves, and cooperating with long-term wearing to restore the staggered teeth to their original state.

[0004] However, after long-term wearing of the above structure, the elastic torsional force between the tooth sleeves is greatly reduced, resulting in poor recovery effect on the teeth in the later stage. In addition, when wearing, it is not easy to wear when the staggered angle is too large, resulting in a small range of use and greatly reduced installation efficiency. SUMMARY

[0005] Therefore, the present application aims to provide a shell-shaped tooth appliance to solve the technical problem that the elastic torsional force between the tooth sleeves is greatly reduced after long-term wearing of the existing tooth sleeve, resulting in poor recovery effect on the teeth in the later stage, and it is not easy to wear when the staggered angle is too large, resulting in a small range of use and greatly reduced installation efficiency.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical solution: a shell-shaped tooth appliance, comprising a protective shell, a tooth body, and a gum, the protective shell being fitted on the top of the gum, the inside of the protective shell being connected with a guide rod, the bottom of the guide rod being provided with a matching plate, the middle of the bottom of the matching plate being provided with a one-way transmission assembly, a plurality of recovery springs being evenly arranged between the matching plate and the protective shell, the inside of the protective shell being provided with a two-way transmission assembly cooperating with the one-way transmission assembly, the output ends of the two-way transmission assembly being provided with a connecting plate, the inner side of the end of the connecting plate being provided with a connecting column, one end of the connecting column being provided with a hinge seat, and the outer side of the hinge seat being connected with a protective sleeve.

[0007] By adopting the technical scheme, the occlusion force is converted into downward moving power through the action of the guide rod, the first gear and the one-way bearing are cooperated with the first toothed plate, the restoring spring is used, the up and down movement is continuously carried out, the bidirectional transmission assembly is indirectly driven, the corresponding connecting plate is driven to move, the connecting column and the hinge seat are cooperated, each time the occlusion is carried out, it is a correction process, each time the occlusion is released, it is a reset process, the above process is repeated, the relative force is continuously applied to the outside of the staggered teeth, the staggered teeth are restored, the operation is simple, the effect is better, and the device is not easy to be damaged after long-term use.

[0008] The top of the protective shell is provided with a corrugated bite body matched with the guide rod.

[0009] By adopting the technical scheme, the occlusion force is converted into downward moving power through the action of the guide rod, the first gear and the one-way bearing are cooperated with the first toothed plate, the restoring spring is used, the up and down movement is continuously carried out, the bidirectional transmission assembly is indirectly driven, the corresponding connecting plate is driven to move, the connecting column and the hinge seat are cooperated, each time the occlusion is carried out, it is a correction process, each time the occlusion is released, it is a reset process, the above process is repeated, the relative force is continuously applied to the outside of the staggered teeth, the staggered teeth are restored, the operation is simple, the effect is better, and the device is not easy to be damaged after long-term use.

[0010] By adopting the technical scheme, the first gear is driven to rotate by the first toothed plate, the bidirectional transmission assembly is driven to rotate, and subsequent work is completed.

[0011] By adopting the technical scheme, the first gear is driven to rotate by the first toothed plate, the bidirectional transmission assembly is driven to rotate, and subsequent work is completed.

[0012] The bidirectional transmission assembly comprises a rotating shaft, a second gear and a second toothed plate, the rotating shaft is movably connected in the protective shell, the two ends of the rotating shaft are provided with the second gears, and the outer sides of the connecting plates are provided with the second toothed plates matched with the second gears.

[0013] By adopting the technical scheme, the rotating shaft is driven to rotate by the one-way transmission assembly, the second gear is driven to rotate, the second toothed plate is cooperated, the corresponding connecting plate is moved, the teeth are pressed, and the task is completed.

[0014] The top of the connecting plate is provided with a guide sliding block, and the inside of the protective shell is symmetrically provided with a sliding groove matched with the guide sliding block.

[0015] By adopting the technical scheme, the connecting plate moves more stably when the pressure is applied, and the work is better completed.

[0016] The protective shell is internally provided with a matching groove matched with the bidirectional transmission assembly, and the top end of the protective shell is symmetrically provided with a mounting plate located inside the matching groove and matched with the rotating shaft.

[0017] By adopting the above technical scheme, the bidirectional transmission assembly is installed, and the rotating shaft is supported by the mounting plate, so as to ensure the stability of the rotating shaft.

[0018] The top of the protective shell is provided with a groove matched with the matching plate and the restoring spring.

[0019] By adopting the above technical scheme, the matching plate and the restoring spring are effectively installed by the groove.

[0020] The two side inner walls of the protective shell are provided with elastic rubber blocks matched with the teeth.

[0021] By adopting the above technical scheme, the stability of the fixing between the protective shell and the teeth is ensured by the elastic rubber blocks.

[0022] In summary, the present application mainly has the following advantages:

[0023] 1. When the present application is used, the occlusal force is converted into downward moving power by the action of the guide rod, and finally the first tooth plate, the first gear and the one-way bearing are matched, and the restoring spring is used, which can continuously move up and down, so as to indirectly drive the bidirectional transmission assembly, finally drive the corresponding connecting plate to move, and cooperate with the connecting column and the hinge seat, so that each time the teeth are occluded, it is a correction process, and each time the teeth are released, it is a reset process, and the above process is repeated, which can continuously apply relative force to the outside of the staggered teeth, so that the staggered teeth can be restored, the operation is simple, the effect is better, and it is not easy to be damaged after long-term use;

[0024] 2. The protective sleeve and the protective shell are provided, and when installed, the protective sleeve is directly sleeved on the corresponding teeth, avoiding the direct installation of the hinge seat on the teeth, causing substantial damage to the teeth, and the protective sleeve is directly clamped on the good teeth outside the special-shaped teeth, and the fixing is completed. By using the above structure, the installation efficiency of the equipment is greatly improved, so as to regularly disassemble and clean the equipment, avoiding the need to replace the corrector at different stages, thereby greatly reducing the use cost. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is an internal structure diagram of the present application;

[0026] Figure 2 is a sectional structure schematic view of the present application; Figure 1 is an enlarged view of A in the present application;

[0027] Figure 3 is a sectional structure schematic view of the present application;

[0028] Figure 4 is an enlarged view of B in the present application; Figure 3

[0029] Figure 5 is a sectional structure schematic view of the present application;

[0030] Figure 6 is an enlarged view of C in the present application; Figure 5

[0031] Figure 7 is a sectional structure schematic view of the present application.

[0032] In the figure: 1, protective shell; 2, tooth body; 3, gum; 4, corrugated bite body; 5, guide rod; 6, matching plate; 7, restoring spring; 8, first tooth plate; 9, rotating shaft; 10, second gear; 11, one-way bearing; 12, first gear; 13, connecting plate; 14, second tooth plate; 15, guide sliding block; 16, matching groove; 17, connecting column; 18, hinged seat; 19, protective sleeve; 20, mounting plate. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation of the present application.

[0034] The embodiments of the present application will be described below according to the overall structure of the present application.

[0035] A shell-shaped tooth appliance, such as Figures 1-7 ​​As shown, including the protective shell 1, tooth 2 and gum 3, the protective shell 1 set in the top of the gum 3, so that the protective shell 1 is better to install, the inside of the protective shell 1 is connected with the guide rod 5, by the action of occlusion, through the guide rod 5, facilitate the compression force to move down power, finally cooperate with the first tooth plate 8 and the first gear 12 and the one-way bearing 11, the bottom of the guide rod 5 is provided with the matching plate 6, the bottom of the matching plate 6 is provided with the one-way transmission assembly, the matching plate 6 and the protective shell 1 are evenly provided with a plurality of restoring springs 7, the inside of the protective shell 1 is provided with a two-way transmission assembly which is matched with the one-way transmission assembly, the output end of the two-way transmission assembly is provided with a connecting plate 13, by the restoring spring 7, can continue to move up and down, in order to indirectly drive the two-way transmission assembly, finally facilitate the corresponding connecting plate 13 to move, the end of the connecting plate 13 is provided with a connecting column 17, one end of the connecting column 17 is provided with a hinge seat 18, cooperate with the connecting column 17 and the hinge seat 18, so that each time occlusion, is a correction process, and each time loose, is a reset process, and repeatedly the above process, can continue to exert the relative force on the outside of the staggered tooth 2, so that the staggered tooth 2 can be restored, simple operation, better effect, and after long-term use, not easy to damage, the outside of the hinge seat 18 is connected with the protective sleeve 19, by the action of the protective sleeve 19, facilitate to exert pressure, not directly on the tooth 2, reduce the damage to the tooth 2.

[0036] Please refer to Figure 1 、 Figure 3 and Figure 7 , the top of the protective shell 1 is provided with the corrugated bite 4 matched with the guide rod 5, so as to maximize the effect on the guide rod 5 when occlusion, complete the conversion of power.

[0037] Please refer to Figure 6 , the one-way transmission assembly includes the first tooth plate 8, the first gear 12 and the one-way bearing 11, the bottom of the matching plate 6 is provided with the first tooth plate 8 through the inside of the protective shell 1, the outside of the two-way transmission assembly is respectively provided with the first gear 12 and the one-way bearing 11, and the first gear 12 is engaged with the first tooth plate 8, by the action of the first tooth plate 8, facilitate the first gear 12 to rotate, so as to drive the two-way transmission assembly to rotate, in order to complete the subsequent work.

[0038] Please refer to Figure 4The bidirectional transmission assembly comprises a rotating shaft 9, a second gear 10 and a second toothed plate 14, the rotating shaft 9 is movably connected to the inside of the protective shell 1, the outer sides of both ends of the rotating shaft 9 are provided with the second gear 10, the rotating shaft 9 is driven to rotate by the action of the one-way transmission assembly, so as to drive the second gear 10 to rotate, the outer sides of the connecting plates 13 are provided with the second toothed plates 14 which are matched with the second gears 10, the movement of the corresponding connecting plates 13 is completed by matching the second toothed plates 14, so as to exert pressure on the tooth body 2, so as to complete the task.

[0039] Please refer to Figure 4 The top of the connecting plate 13 is provided with a guide sliding block 15, the inside of the protective shell 1 is symmetrically provided with a sliding groove matched with the guide sliding block 15, so that the connecting plate 13 moves more stably when the pressure is applied, and the work is better completed.

[0040] Please refer to Figure 2 and Figure 4 The inside of the protective shell 1 is provided with a matching groove 16 matched with the bidirectional transmission assembly, so as to facilitate the installation of the bidirectional transmission assembly, and the inside of the protective shell 1 is symmetrically provided with an installation plate 20 located in the matching groove 16 and matched with the rotating shaft 9, so as to facilitate the support of the rotating shaft 9, so as to ensure the stability of the rotating shaft 9.

[0041] Please refer to Figure 2 and Figure 3 The top of the protective shell 1 is provided with a groove matched with the matching plate 6 and the restoring spring 7, so as to facilitate the effective installation of the matching plate 6 and the restoring spring 7.

[0042] Please refer to Figure 1 and 3 The inner walls of the two sides of the protective shell 1 are both provided with elastic rubber blocks matched with the tooth body 2, so as to ensure the stability of the fixation between the protective shell 1 and the tooth body 2, and the tooth body 2 is not easily damaged.

[0043] The working principle of the present application is as follows: when in use, the spacing of the connecting plates 13 is adjusted in advance according to the degree of stagger of the teeth of the patient, and the protective sleeve 19 is prepared according to the shape of the teeth of the patient, and the protective sleeve 19 is connected to the corresponding hinge seat 18 in advance, so that when installed, the protective sleeve 19 is directly sleeved on the corresponding tooth body 2, avoiding the direct installation of the hinge seat 18 on the tooth body 2, which may cause substantial damage to the tooth body 2, and the protective sleeve 19 is directly clamped on the good tooth body 2 outside the special-shaped tooth body 2, completing the fixation, and facilitating the installation and disassembly.

[0044] After installation, the patient continuously bites every day, and in the process of biting, first, the lower pressure is generated, the tooth 2 is in contact with the corrugated bite 4, and is extruded, so as to drive the guide rod 5 to move, cooperate with the plate 6, and move the first tooth plate 8 downward, and because the first gear 12 is engaged with each other, under the action of the one-way bearing 11, the bidirectional transmission assembly is driven, specifically, the rotating shaft 9 is rotated, and the rotating shaft 9 drives the corresponding second gear 10 to rotate, and because the second gear 10 is directly engaged with the second tooth plate 14, and the connecting plate 13 is stably straight under the action of the second tooth plate 14 and the second gear 10 by the action of the guide sliding block 15, the connecting plate 13 is relatively moved, so as to cooperate with the connecting column 17 and the hinged seat 18, and the tooth 2 is slightly pressed, the tooth 2 is slowly moved in the gum, and the correction is completed, then the corrugated bite 4 is loosened, and under the action of the restoring spring 7, the plate 6 is moved upward, the reset is completed, and in the process of resetting, under the action of the one-way bearing 11, the rotating shaft 9 does not rotate, and the connecting plate 13 is fixed, so that the connecting plate 13 is indirectly pressed, and each time the tooth is bitten, it is a correction process, and each time the tooth is loosened, it is a reset process, and the above process is repeated, so that the relative force is continuously applied to the outside of the staggered tooth 2, the staggered tooth 2 is restored, the operation is simple, the effect is better, and the device is not easy to damage after long-term use.

[0045] In the treatment process, the teeth are continuously pulled, and the process of pulling the teeth is very painful, so when in use, the biting force is adjusted according to the pain tolerance of the patient, so as to achieve a comfortable and effective effect.

[0046] Although the embodiments of the present application have been shown and described, the specific embodiments are only an explanation of the present application, and are not a limitation of the application, and the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner, and those skilled in the art can make modifications, replacements and variations of the embodiments without creative contribution after reading the specification, but as long as the scope of the claims of the present application is within the scope of the patent law.

Claims

1. A shell-shaped dental appliance, comprising a protective shell (1), a tooth body (2) and gums (3), characterized in that: The protective shell (1) is sleeved on the top of the gum (3), the internal guide of the protective shell (1) is connected to a guide rod (5), the bottom of the guide rod (5) is provided with a matching plate (6), the middle of the bottom of the matching plate (6) is provided with a one-way transmission component, a plurality of groups of restoring springs (7) are evenly provided between the matching plate (6) and the protective shell (1), the interior of the protective shell (1) is provided with a two-way transmission component that cooperates with the one-way transmission component, the output end of the two-way transmission component is provided with a connecting plate (13), the inner side of the end of the connecting plate (13) is provided with a connecting column (17), one end of the connecting column (17) is provided with a hinge seat (18), the outer side of the hinge seat (18) is connected to a protective cover (19), the top of the protective shell (1) is provided with There is a corrugated bite body (4) that cooperates with the guide rod (5), the one-way transmission component includes a first tooth plate (8), a first gear (12) and a one-way bearing (11), the bottom of the matching plate (6) is provided with a first tooth plate (8) that passes through the inside of the protective shell (1), the outer side of the bidirectional transmission component is provided with a first gear (12) and a one-way bearing (11), and the first gear (12) and the first tooth plate (8) are meshed with each other, the bidirectional transmission component includes a rotating shaft (9), a second gear (10) and a second tooth plate (14), the rotating shaft (9) is movably connected to the inside of the protective shell (1), the outer ends of the rotating shaft (9) are provided with second gears (10), and the outer side of the connecting plate (13) is provided with a second tooth plate (14) that cooperates with the second gear (10).

2. The shell-shaped dental appliance according to claim 1, characterized in that: A guide slider (15) is provided on the top of each connecting plate (13), and a slide groove cooperating with the guide slider (15) is symmetrically provided inside the protective shell (1).

3. The shell-shaped dental appliance according to claim 1, characterized in that: The protective shell (1) is provided with a matching groove (16) matching with the bidirectional transmission assembly, and the top end of the protective shell (1) is symmetrically provided with a mounting plate (20) located inside the matching groove (16) and matching with the rotating shaft (9).

4. The shell-shaped dental appliance according to claim 1, wherein: The top of the protective shell (1) is provided with a groove that matches the matching plate (6) and the restoring spring (7).

5. The shell-shaped dental appliance according to claim 1, wherein: Elastic rubber blocks matching the tooth body (2) are provided on both inner walls of the protective shell (1).

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