CN216724797U - Bracket for correcting teeth of children - Google Patents

Abstract

The application relates to an orthodontic medical instrument, especially relates to a support groove that is used for children's tooth to rectify, and its technical scheme main points are: the bracket comprises a bracket body and a sliding locking plate, and an arch wire groove is formed in the bracket body; the bracket body is provided with a sliding surface for the sliding of the sliding locking plate, a locking needle is fixed on the sliding surface, an unlocking groove and a locking groove for the insertion of the locking needle are opened and closed on the sliding locking plate, and the unlocking groove is positioned on one side of the locking groove far away from the arch wire groove; a transition groove for communicating the unlocking groove and the locking groove is arranged between the unlocking groove and the locking groove; the lock needle is extruded to generate elastic deformation along the radial direction when being in the transition groove, and the deformation quantity of the lock needle in the unlocking groove and the locking groove is zero or smaller than the elastic deformation quantity of the lock needle in the transition groove; the purpose that the sliding locking plate can be effectively and reliably fixed on the bracket body is achieved while the detachable connection between the bracket body and the sliding locking plate is realized.

Description

Bracket for correcting teeth of children

Technical Field

The application relates to an orthodontic medical appliance, in particular to a bracket for correcting teeth of children.

Background

The dental correction of children is a long-term systematic project, the health and development of teeth of children are concerned from the deciduous teeth stage, and early treatment is needed for some serious deformities such as underbite and the like. Brackets are the most common fixed orthodontic components for dental correction in children.

The bracket comprises a bracket body, a sliding locking plate detachably connected with the bracket body, and a bottom plate fixedly connected with the bracket body; an arch wire groove for embedding the main arch wire is formed in one side, away from the bottom plate, of the bracket body, one side, away from the bottom plate, of the arch wire groove is open, and the sliding locking plate can slide on one side, away from the bottom plate, of the bracket body to close or open the arch wire groove, so that the main arch wire is conveniently installed on the bracket body; wherein the bracket has two data, namely the shaft inclination angle and the torque angle, which need to be designed before the bracket is produced, wherein the shaft inclination angle is: observing along the labial and buccal directions, wherein the vertical line perpendicular to the long axis in the near-far middle of the shaft inclination angle and the jaw gum of the bracket body intersect to form an included angle towards the central shaft, and the torque angle is as follows: observing along the direction of the long axis near and far of the arch wire groove, taking the intersection point of the perpendicular bisector of the jaw gum of the arch wire groove and the bottom plate as a tangent point, and taking the included angle between the perpendicular tangent line of the bottom plate at the point and the perpendicular bisector of the jaw gum of the arch wire groove.

Along with the renewal iteration of holding in the palm groove technique, how can dismantle between realization support groove body and the sliding lock piece and be connected the time, the sliding lock piece can be effectively and reliably fixed on holding in the palm the groove body in order to satisfy the intensity demand of holding in the palm the groove to the use, becomes the technical problem that needs to solve urgently.

SUMMERY OF THE UTILITY MODEL

In order to realize holding in the palm and can dismantle between groove body and the sliding lock piece and be connected, the sliding lock piece can be effectively and fix on holding in the palm the groove body reliably, and this application provides a hold in the palm the groove for children's tooth is rescued.

The application provides a support groove for children's tooth is rescued adopts following technical scheme:

a bracket for children tooth correction comprises a bracket body and a sliding locking plate, wherein an arch wire groove is formed in the bracket body; the bracket body is provided with a sliding surface for the sliding of the sliding locking plate, a locking needle is fixed on the sliding surface, an unlocking groove and a locking groove for the insertion of the locking needle are opened and closed on the sliding locking plate, and the unlocking groove is positioned on one side of the locking groove far away from the arch wire groove; when the lock needle is positioned in the unlocking groove, the sliding lock plate is separated from the arch wire groove; when the lock needle is positioned in the locking groove, the sliding lock plate covers the arch wire groove; a transition groove for communicating the unlocking groove and the locking groove is arranged between the unlocking groove and the locking groove; the lock needle is extruded to generate elastic deformation along the radial direction when being in the transition groove, and the deformation quantity of the lock needle in the unlocking groove and the locking groove is zero or smaller than the elastic deformation quantity of the lock needle in the transition groove.

By adopting the technical scheme, when the archwire slot is required to be opened for embedding the main archwire into the archwire slot, the unlocking tool is utilized to apply force to the sliding locking plate so that the sliding locking plate has a tendency of moving towards the direction far away from the archwire slot until the resistance of the lock needle is overcome, the lock needle generates elastic deformation and is separated from the locking slot, the lock needle is separated from the locking slot and slides in the transition slot along with the continuous movement of the sliding locking plate until the lock needle enters the unlocking slot, and the lock needle can be stably positioned in the unlocking slot due to the fact that the deformation of the lock needle in the unlocking slot is zero or smaller than that of the lock needle in the transition slot, namely the sliding locking plate is stably positioned in the state far away from the archwire slot, and the archwire slot is opened; when the archwire slot needs to be closed to enable the main archwire to be stably embedded into the bracket body, the force is reversely applied to the sliding lock plate to enable the sliding lock plate to gradually move towards the direction close to the archwire slot, the lock needle sequentially passes through the unlocking slot, the transition slot and the locking slot and is finally stably positioned in the locking slot, and the closed covering of the archwire slot is realized; this application is when realizing holding in the palm and can dismantle the connection between groove body and the sliding lock piece, and the sliding lock piece can be effectively just fixed on holding in the palm the groove body reliably.

Optionally, the unlocking groove is provided with two and is symmetrically distributed about the sliding direction of the sliding locking plate, the locking groove is provided with two and is symmetrically distributed about the sliding direction of the sliding locking plate, the transition groove is provided with two and is symmetrically distributed about the sliding direction of the sliding locking plate, and the locking needle is provided with two and is symmetrically distributed about the sliding direction of the sliding locking plate.

By adopting the technical scheme, the sliding of the sliding lock plate on the sliding surface is more stable, the possibility of deflection of the sliding lock plate in the sliding process is reduced, and the load pressure to a single lock needle is reduced.

Optionally, the bracket body is provided with a guide groove extending along the sliding direction of the sliding lock plate, and the sliding lock plate is formed with a guide strip embedded into the guide groove and capable of sliding in the guide groove.

By adopting the technical scheme, on one hand, the sliding lock plate plays a role in guiding the sliding of the sliding lock plate, and the sliding lock plate is prevented from deflecting relative to the self-preset sliding direction; on the other hand, the sliding locking piece is prevented from separating from the sliding surface to cause the bracket to lose efficacy.

Optionally, the torque angle of the bracket is 0 °.

By adopting the technical scheme, the bracket of the adult is often applied to the teeth of the child in the related art, and the existence of the torque angle can cause certain discomfort to the child; because the growth of children's tooth can itself play the effect of correcting well under the effect of holding in the palm groove and main arch wire, consequently cancel the setting of moment angle when can make children's tooth correct, reduced the uncomfortable sense that causes children's tooth.

Optionally, the bracket has an axial tilt angle of 0 °.

By adopting the technical scheme, the bracket for adults is often applied to teeth of children in the related art, and the existence of the shaft inclination angle can cause certain discomfort to the children; because the growth of children's tooth can play the effect of correcting under the effect of holding in the palm groove and main arch wire itself well, consequently cancel the setting at axle inclination and when can make children's tooth correct, reduced the uncomfortable sense that causes children's tooth.

Optionally, the bracket further comprises a bottom plate, and the distance between the surface of the bottom plate close to the bracket body and the bottom of the arch wire groove is 0.2-0.5 mm; the depth of the arch wire groove is 0.41-0.61 mm.

Through adopting above-mentioned technical scheme, compare in the support groove in the correlation technique, this application has reduced according to children's oral cavity and tooth and has held in the palm the whole height in groove, can let children arrive comfortable relaxing correcting the in-process to the uncomfortable sense and the foreign matter sense that hold in the palm the groove and bring children's oral cavity have been reduced.

Optionally, the contour of the bottom plate is a cartoon figure.

By adopting the technical scheme, the child interest is brought to the child in the correcting process.

Optionally, the bracket body is of a symmetrical structure, two color marking points are arranged on the bracket body, and the two color marking points are symmetrically arranged about a symmetry axis of the bracket body.

Through adopting above-mentioned technical scheme, hold in the palm groove body symmetry and axle inclination and torque angle and be zero, this just makes the support groove of being applied to children's oral cavity left and right sides can adopt the same structure, and because the setting of two colour mark points for the support groove body of being applied to the left and right sides only adopts same mould processing, fixes the bottom plate of difference on holding in the palm the groove body, and the differentiation effect that tooth corresponds about in order to play is colored on corresponding colour mark point and holds in the palm the groove.

In summary, the present application has the following technical effects:

1. the locking groove, the transition groove and the locking groove are formed by arranging the bracket body, the sliding locking plate and the locking needle, so that the sliding locking plate can be effectively and reliably fixed on the bracket body while the bracket body and the sliding locking plate are detachably connected;

2. the torque angle and the shaft inclination angle are both 0 degree, so that the children teeth can be corrected, and discomfort caused to the children teeth is reduced;

3. through having reduced the holistic height dimension in support groove, can let children arrive comfortable relaxing at the in-process of correcting to the uncomfortable sense and the foreign matter sense that the support groove brought to children's oral cavity have been reduced.

Drawings

FIG. 1 is a schematic view of the overall structure of a bracket in an embodiment of the present application;

FIG. 2 is a schematic view of an exploded structure between the sliding lock plate and the bracket body in an embodiment of the present application;

FIG. 3 is a schematic view of the side of the slide lock tab adjacent the sliding surface in an embodiment of the present application;

fig. 4 is a flow chart of the position state of the lock pin relative to the slide lock plate in the embodiment of the present application, in which the dotted circle is the lock pin that is deformed, and the solid double-headed arrow is the direction of the positional deviation of the lock pin relative to the slide lock plate.

In the figure, 1, a bracket body; 2. sliding the locking plate; 3. an arch wire groove; 4. a sliding surface; 5. locking the needle; 6. unlocking the lock groove; 7. a locking groove; 8. a transition groove; 9. a guide groove; 10. conducting bars; 11. overlapping edges; 12. a base plate; 13. color marks the points.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

Referring to fig. 1 and 2, the application provides a bracket for correcting teeth of children, which comprises a bracket body 1, a bottom plate 12 welded on one side of the bracket body 1, and a sliding locking plate 2 arranged on one side of the bracket body 1 far away from the bottom plate 12, wherein one side of the bracket body 1 far away from the bottom plate 12 is provided with a rectangular arch wire groove 3 for embedding a main arch wire, a sliding surface 4 positioned on one side of the arch wire groove 3 is formed on the bracket body 1, the sliding locking plate 2 is attached to the sliding surface 4 and can move along the width direction of the arch wire groove 3, and the direction is the sliding direction of the sliding locking plate 2; when the end part of the sliding lock plate 2 moves to a position far away from the arch wire groove 3, one side of the arch wire groove 3 far away from the bottom plate 12 is opened so that the main arch wire is embedded into the arch wire groove 3; when the sliding lock piece 2 moves to the position of the archwire slot 3, the sliding lock piece 2 enables the archwire slot 3 to be closed and then locks the main archwire embedded into the archwire slot 3 on the bracket body 1.

Referring to fig. 2 and fig. 3, specifically, two lock pins 5 which are normally perpendicular to the sliding surface 4 are fixed on the sliding surface 4, the two lock pins 5 are symmetrically arranged with respect to the sliding direction of the sliding lock plate 2, and the lock pins 5 can elastically deform along the radial direction of the lock pins, especially perpendicular to the sliding direction of the sliding lock plate 2; two locking grooves 7 and two unlocking grooves 6 are formed in one side, close to the sliding surface 4, of the sliding locking plate 2, the two locking grooves 7 are symmetrically formed in relation to the sliding direction of the sliding locking plate 2, the two unlocking grooves 6 are symmetrically formed in relation to the sliding direction of the sliding locking plate 2, the locking groove 7 is located in one side, away from the arch wire groove 3, of the unlocking groove 6, the locking groove 7 can be used for inserting the locking needle 5, a transition groove 8 formed in the sliding surface 4 exists between the locking groove 6 and the locking groove 7, the transition groove 8 is communicated with the locking groove 6 and the locking groove 7, and in the process that the sliding locking plate 2 moves on the sliding surface 4, the locking needle 5 is switched among the transition groove 8, the unlocking groove 6 and the locking groove 7; when the lock needle 5 is positioned in the unlocking groove 6, the sliding lock plate 2 is separated from the arch wire groove 3 and the arch wire groove 3 is opened; when the locking pin 5 is located inside the locking groove 7, the sliding locking piece 2 covers the archwire slot 3 to close the archwire slot 3.

Referring to fig. 3 and 4, further, the distance between the two unlocking slots 6, the distance between the two locking slots 7, and the distance between the two locking pins 5 and the connection part of the bracket body 1 are equal, and the elastic deformation of the locking pins 5 in the unlocking slots 6 and the locking slots 7 is zero; the two transition grooves 8 are firstly close to each other and then far away from each other or are firstly far away from each other and then close to each other along the direction from the unlocking groove 6 to the locking groove 7; when the lock needle 5 is positioned in the unlocking groove 6 or the locking groove 7 and is not applied with force, the lock needle 5 can be stably embedded into the sliding lock plate 2 under the limiting action of the wall of the transition groove 8; the shaping has the overlap joint along 11 on the bracket body 1, and the overlap joint is located the one side that the running surface 4 was kept away from to archwire groove 3 along 11, and when sliding lock piece 2 covered archwire groove 3, 2 tip overlap joints of sliding lock piece were on 11 along the overlap joint.

When the archwire slot 3 needs to be opened for embedding a main archwire into the archwire slot 3, an unlocking tool is utilized to apply force to the sliding locking plate 2 so that the sliding locking plate 2 generates a trend of moving towards a direction far away from the archwire slot 3 until the limit effect of the slot wall of the transition slot 8 on the locking needle 5 is overcome so that the locking needle 5 generates elastic deformation and the locking needle 5 is separated from the locking slot 7, the locking needle 5 is separated from the locking slot 7 and slides in the transition slot 8 along with the continuous movement of the sliding locking plate 2 until the locking needle 5 enters the unlocking slot 6, namely the sliding locking plate 2 is stably in a state far away from the archwire slot 3, and the archwire slot 3 is opened; when the archwire slot 3 needs to be closed so that the main archwire is stably embedded into the bracket body 1, the sliding lock plate 2 is reversely applied with force so that the sliding lock plate 2 gradually moves towards the direction close to the archwire slot 3, the lock needle 5 sequentially passes through the unlocking slot 6, the transition slot 8 and the locking slot 7, the deformation process of the lock needle 5 is not repeated, the lock needle 5 is finally and stably inserted into the locking slot 7, and the closing and covering of the archwire slot 3 are realized; the arrangement of the lap joint edge 11 plays a role in supporting and limiting the end part of the sliding lock piece 2, and the sliding lock piece 2 is prevented from generating overlarge deflection or being damaged due to the unilateral cantilever.

Referring to fig. 2, the bracket body 1 is provided with two guide grooves 9 symmetrically arranged about the sliding direction of the sliding lock plate 2, the two guide grooves 9 are respectively located on two sides of the sliding surface 4, and the extending direction of the guide grooves 9 is parallel to the sliding direction of the sliding lock plate 2; the both sides shaping of sliding lock piece 2 has the inside conducting strip 10 of embedding guide way 9, and conducting strip 10 can slide along sliding lock piece 2's slip direction inside guide way 9, plays the guide effect to sliding lock piece 2 on the one hand, prevents that sliding lock piece 2 produces the deviation for the slip direction that self set in closure or opening process, and on the other hand prevents that sliding lock piece 2 breaks away from glide plane 4 and leads to holding in the palm the groove to become invalid in the use.

For the fixing mode between the lock needle 5 and the bracket body 1, a through hole is formed in the bracket body 1 in advance, the lock needle 5 can be inserted into the through hole extending to the other side from one side of the bracket body 1 departing from the sliding lock plate 2, the guide strip 10 is inserted into the guide groove 9, then the lock needle 5 is inserted into the unlocking groove 6, the locking groove 7 or the transition groove 8 through the through hole of the bracket body 1, and finally the lock needle 5 and the bracket body 1 are fixed through means such as welding.

Referring to fig. 1, in order to bring children interest to children during the tooth correction process, the contour of the bottom plate 12 is a cartoon figure; in addition, in order to reduce the discomfort and foreign body sensation brought to children by the bracket, the distance between the surface of the bottom plate 12 close to the bracket body 1 and the bottom of the arch wire groove 3 is 0.2-0.5 mm; the depth of the archwire slot 3 is 0.41-0.61mm, which reduces the overall height of the bracket according to the mouth and tooth size of the child compared to the bracket of the related art.

In addition, the torque angle of the bracket in the application is 0 degree and the shaft inclination angle of the bracket is 0 degree; because the growth of children's tooth can itself play the effect of correcting well under the effect of holding in the palm groove and main arch wire, consequently cancel the setting at moment angle and axle inclination and when can make children's tooth correct, reduced the uncomfortable sense that causes children's tooth.

In the industry, the bracket body 1 is usually processed by injection molding, and in the related art, the bracket bodies 1 applied to the teeth on the left side and the right side of the oral cavity have different structures, particularly different structures of the bottom plate 12, of the front teeth and the rear teeth due to the difference of torque angles and shaft inclination angles, and the size of the bracket body 1 is extremely small, so that the bracket bodies 1 on the left side and the right side need to be correspondingly painted with a left side point coloring mark or a right side point coloring mark, so as to remind a doctor to apply a correct bracket to a correct position; the related art often uses a single-side molding color mark for coloring, and the color mark is formed on a single side of the bracket body 1, which requires at least two different molds.

Referring to fig. 1, in order to reduce the production of the mold, the bracket body 1 has a structure symmetrical about the sliding direction of the sliding lock plate 2, two color marking points 13 which are also symmetrical about the sliding direction of the sliding lock plate 2 are formed on the bracket body 1, and the color marking points 13 are recesses formed on the bracket body 1; because the torque angle and the shaft inclination angle do not exist, the same bracket body 1 can be applied to the left side and the right side of the oral cavity of the child, and because the color marking points 13 are symmetrically arranged on the bracket body 1, the bracket body 1 applied to the left side and the bracket body applied to the right side only adopt the same mould for processing, and the corresponding color marking points 13 are colored to play a role in distinguishing the corresponding brackets of the left tooth and the right tooth; if the size requirement difference exists between the bracket bodies 1 which are applied to the left and right teeth, the color is attached to a certain color marking point 13 corresponding to the left and right positions on the bracket bodies 1 with different sizes, so that the size distinguishing effect of the left and right sides is achieved.

To sum up, the application process of this application is: when the archwire slot 3 needs to be opened for embedding a main archwire into the archwire slot 3, an unlocking tool is utilized to apply force to the sliding locking plate 2 so that the sliding locking plate 2 generates a trend of moving towards a direction far away from the archwire slot 3 until the limit action of the slot wall of the transition slot 8 on the lock needle 5 is overcome, so that the lock needle 5 generates elastic deformation and the lock needle 5 is separated from the locking slot 7, the lock needle 5 is separated from the locking slot 7 and slides in the transition slot 8 until the lock needle 5 enters the unlocking slot 6, and the archwire slot 3 is opened; when the archwire slot 3 needs to be closed to enable the main archwire to be stably embedded into the bracket body 1, the sliding lock plate 2 is reversely applied with force to enable the sliding lock plate 2 to gradually move towards the direction close to the archwire slot 3, and the lock pin 5 sequentially passes through the unlocking slot 6, the transition slot 8 and the locking slot 7 to realize the closed covering of the archwire slot 3.

The specific embodiments are only for explaining the present application and are not limiting to the present application, and those skilled in the art can make modifications to the embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent law within the scope of the claims of the present application.

Claims (8)

1. A bracket for children tooth correction comprises a bracket body (1) and a sliding locking plate (2), wherein an arch wire groove (3) is formed in the bracket body (1); the method is characterized in that: a sliding surface (4) for the sliding of the sliding locking plate (2) is arranged on the bracket body (1), a locking needle (5) is fixed on the sliding surface (4), an unlocking groove (6) for the insertion of the locking needle (5) and a locking groove (7) are opened and closed on the sliding locking plate (2), and the unlocking groove (6) is positioned on one side, away from the archwire groove (3), of the locking groove (7);

when the lock needle (5) is positioned in the unlocking groove (6), the sliding lock plate (2) is separated from the arch wire groove (3); when the lock needle (5) is positioned in the locking groove (7), the sliding lock plate (2) covers the arch wire groove (3);

a transition groove (8) for communicating the unlocking groove (6) with the locking groove (7) is arranged between the unlocking groove (6) and the locking groove (7); the lock needle (5) generates elastic deformation along the radial direction of the lock needle when passing through the transition groove (8), and the deformation quantity of the lock needle (5) in the unlocking groove (6) and the locking groove (7) is zero or smaller than the elastic deformation quantity of the lock needle (5) in the transition groove (8).

2. The bracket for dental correction of children as claimed in claim 1, wherein: two and about the slip direction symmetric distribution of sliding locking plate (2) have been seted up in the groove of separating lock (6), and two and about the slip direction symmetric distribution of sliding locking plate (2) have been seted up in the locking groove (7), cross aqueduct (8) and set up two and about the slip direction symmetric distribution of sliding locking plate (2), lock needle (5) are provided with two and about the slip direction symmetric distribution of sliding locking plate (2).

3. A bracket for dental correction of children as claimed in claim 1 or 2, wherein: set up guide way (9) that extend along sliding lock piece (2) slip direction on holding in the palm groove body (1), the shaping has embedding guide way (9) and can be at inside gliding conducting bar (10) of guide way (9) on sliding lock piece (2).

4. The bracket of claim 1, wherein the bracket comprises: the torque angle of the bracket is 0 °.

5. The bracket for dental correction of children as claimed in claim 1, wherein: the axial inclination of the bracket is 0 deg.

6. The bracket of claim 1, wherein the bracket comprises: the bracket also comprises a bottom plate (12), and the distance between the surface of the bottom plate (12) close to the bracket body (1) and the bottom of the arch wire groove (3) is 0.2-0.5 mm; the depth of the arch wire groove (3) is 0.41-0.61 mm.

7. The bracket for dental correction of children as claimed in claim 6, wherein: the outline shape of the bottom plate (12) is cartoon figure.

8. The bracket for dental correction of children as claimed in claim 1, wherein: the bracket body (1) is of a symmetrical structure, two color marking points (13) are arranged on the bracket body (1), and the two color marking points (13) are symmetrically arranged about the symmetry axis of the bracket body (1).

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