KR100741254B1 - Orthodontic bracket of pivoting type - Google Patents

Abstract

A pivot type orthodontic bracket is provided to minimize friction between the orthodontic bracket and an orthodontic wire by forming a cover and a fixing portion for fixing the cover which covers an insertion groove thereof. The pivot type orthodontic bracket includes a body(30) having an insertion groove(32) receiving an orthodontic wire, a cover(40) pivotally installed on the body to cover the insertion groove by pivoting the cover, and a fixing portion(50) installed on the body for fixing the cover which covers the insertion groove. At least one first hanger(34) is installed on a lower portion of the body for hanging an elastic string. A second hanger(44) is installed on an end portion of the cover for hanging the elastic string. The body is formed in a triangular shape. The fixing portion has a frame(52) of a desired resilience and a boss formed on an input port of a fixing groove.

Description

Orthodontic bracket of pivoting type

1 is a perspective view showing a self-ligating orthodontic bracket according to the prior art, showing that the clip is open.

Figure 2 is a perspective view showing the self-ligating orthodontic bracket of Figure 1, showing that the clip is closed after the orthodontic wire is inserted.

Figure 3 is a perspective view showing that the bracket of Figure 1 is installed on the tooth.

Figure 4 is a perspective view of the hook member installed on the bracket of Figure 1;

Figure 5 is a perspective view showing a rotational orthodontic bracket according to a preferred embodiment of the present invention.

6 is a plan view of the bracket of FIG.

FIG. 7 is a sectional view taken along line VII-VII 'of FIG. 6. FIG.

8 is a sectional view taken along line VII-VII 'of FIG.

9 is a perspective view showing the tip member used to open the fixing part of the bracket of FIG.

<Description of main reference numerals in the drawings>

10: speed system bracket 20: rubber band for calibration

30: body 40: cover

50: fixed part 70: tip member

100: Rotating Orthodontic Bracket

The present invention relates to a rotatable orthodontic bracket, more specifically, the installation and removal of the orthodontic wire can be made easily and quickly, the frictional force with the orthodontic wire is minimized, separate for hanging the orthodontic rubber band The rotational orthodontic bracket does not require the absence of a.

In general, a fixed tooth orthodontic device includes a bracket fixed to each tooth, and a wire for orthodontics installed to connect the brackets to each other to artificially move the teeth.

At this time, when the ligation wire is used to install the calibration wire on the bracket, there is a problem that a large friction force is generated between the ligation wire and the calibration wire, the bracket and the calibration wire. If the friction force between the ligation wire and orthodontic wire, the bracket and the orthodontic wire is largely applied, it is necessary to install more orthodontic wire by applying more force to move the teeth to the desired position. It should be corrected. It is disclosed in the Republic of Korea Patent Publication No. 10-2006-0037889 and the like to install the calibration wire to the bracket using the ligation wire.

In order to solve the problem, a self-ligation bracket has been proposed. Self-ligating brackets include speed system brackets.

As shown in FIGS. 1 to 4, the speed system bracket includes a clip for slidably fixing the bracket body 11 having the insertion groove 12 and the calibration wire 1 installed in the insertion groove 12. 14), a rubber band hook portion 16 provided on the upper portion, and a hook member 18 inserted into the hook groove 17.

The speed system bracket 10 is a clip 14 by the elastic force of the clip 14 by raising the clip 14 with a separate tip (not shown) after installing the calibration wire (1) in the insertion groove (12). It is to be fixed to the bracket body (11). As shown in FIG. 2, the clip 14 allows the orthodontic wire 1 to be slidably fixed to the bracket 10 and prevents the orthodontic wire 1 from escaping from the insertion groove 12.

In addition, the rubber band hook portion 16 is a portion in which the correcting rubber band 20 is installed, and the hook member 18 is a member that is bent to hook the correcting rubber band 20 after being inserted into the hook groove 17. . Orthodontic rubber band 20 to apply the tension to the tooth to achieve the desired tooth arrangement.

As such, since the speed system bracket 10 is installed on the bracket 10 so that the orthodontic wire 1 is slidable, frictional force is greatly reduced, thereby reducing the treatment period, and greatly reducing the pain of the patient. It can also reduce the number of hospital visits.

However, the speed system bracket 10 may be damaged by use because the clip 14 is constantly in force, and because the clip 14 is raised or lowered by using a separate tip, the opening and There is a problem that closing is not easy.

In addition, the speed system bracket 10 is provided with a rubber band hook portion 16, a hook groove 17, and a hook member 18 inserted into the hook groove 17 to separately install the rubber band 20 for calibration. There is a problem in that the structure is complicated and the manufacturing cost is expensive.

The present invention has been made to solve the above problems, the installation and removal of the orthodontic wire can be easily and quickly made, the frictional force with the orthodontic wire is minimized, and does not require a separate member for hanging the orthodontic rubber band The purpose is to provide a non-rotating orthodontic bracket.

In order to achieve the above objects, the rotatable orthodontic bracket according to the present invention includes a body having an insertion groove into which orthodontic wire is inserted; A cover rotatably installed on the body to cover the insertion groove by the rotation; And a fixing part provided on the body and fixing the cover rotated to cover the insertion groove.

Preferably, at least one first hook portion for hanging the orthodontic rubber band is formed integrally with the body at the bottom of the body.

Preferably, the end of the cover is formed with a second hook portion for hanging the orthodontic rubber band.

Preferably, the body is triangular in shape.

Here, the fixing unit is installed on the body to form a fixing groove is inserted into the cover is rotated, the frame having a predetermined elasticity; And the inlet side of the fixing groove, the inlet side of the fixing groove is formed to be inclined so that the cover can be inserted into the fixing groove by the rotation, and the inner side of the fixing groove is the staircase so that the cover does not escape to the outside by the rotation. It is provided with a projection.

Preferably, the bracket further includes a tip member spaced apart from the body so that the cover can be pulled out by the rotation.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, terms or words used in the specification and claims should not be construed as having a conventional or dictionary meaning, and the inventors should properly explain the concept of terms in order to best explain their own invention. Based on the principle that can be defined, it should be interpreted as meaning and concept corresponding to the technical idea of the present invention. Therefore, the embodiments described in the specification and the drawings shown in the drawings are only the most preferred embodiment of the present invention and do not represent all of the technical idea of the present invention, various modifications that can be replaced at the time of the present application It should be understood that there may be equivalents and variations.

5 is a perspective view showing a rotational orthodontic bracket according to a preferred embodiment of the present invention, Figure 6 is a plan view showing the bracket.

Referring to the drawings, the pivotal orthodontic bracket 100 is fixed to the body 30, the cover 40 and the cover 40 is installed rotatably in the body 30, the insertion groove 32 is formed; It is provided with a fixing portion (50).

The body 30 has an insertion groove 32 formed to cross the central portion. The insertion groove 32 is provided with a calibration wire (2). The body 30 is adhered to the teeth in a conventional manner, for example by an adhesive.

Body 30 has a triangular shape narrower than the width of the upper portion of the center around the insertion groove (32). This is to minimize the size of the friction between the orthodontic wire (2) and the insertion groove (32). On the other hand, the figure shows a narrower body 30 of the upper width than the width of the lower portion, the width of the upper portion may be formed wider than the width of the lower portion.

Preferably, the lower end of the body 30 is formed with a first hook portion 34 for hanging the orthodontic rubber band (20 in Figure 3). At least one first hook portion 34 is integrally formed with the body 30. As such, the bracket 100 is manufactured by separately manufacturing the hook groove (17 of FIG. 1) and the hook member (18 of FIGS. 3 and 4) because the first hook part 34 is integrally formed with the body 30. Afterwards, the hassle of inserting and installing the hook member 18 in the hook groove 17 can be removed.

The cover 40 rotates about the rotation shaft 42 to cover the insertion groove 32. 6 and 7, after installing the calibration wires 2 in the insertion grooves 32, the cover 40 is rotated to cover the insertion grooves 32 so that the calibration wires 2 are inserted in the insertion grooves ( It is possible to prevent the deviation from the 32, and at the same time make the orthodontic wire 2 slidable. In other words, the friction between the calibration wire 2 and the body 30 can be reduced to the maximum. Preferably, the rotation shaft 42 is installed on the left and right symmetry lines of the bracket (100).

Preferably, the end of the cover 40 is formed with a second hook portion 44 for hanging the orthodontic rubber band 20. The second hook portion 44 is a portion that is gripped to rotate the cover 40 and at the same time a portion for hooking the orthodontic rubber band 20. As such, since the bracket 100 is formed integrally with the second hook portion 44 at the end of the cover 40, a separate rubber hook portion (16 in FIG. 1) is required to hook the rubber band 20 for correction. Not.

The fixing part 50 fixes the cover 40 rotated to cover the insertion groove 32. As shown in FIG. 8, the fixing part 50 includes a frame 52 installed in the body 30 to form a fixing groove 46 into which the cover 40 is rotated and inserted, and the rotated frame 52. The projection 54 is provided so as not to escape to the outside. The frame 52 is made of a material having a predetermined elasticity, preferably chromium-cobalt alloy.

Preferably, the protrusion 54 is formed such that the inlet side of the fixing groove 46 is inclined so that the cover 40 can be inserted into the fixing groove 46, and the cover 40 inserted by the rotation is pulled out. The inner side of the fixing groove 46 is formed as a step jaw so as not to go out. When the cover 40 is rotated, it may be inserted into the fixing groove 46 by the elasticity of the frame 52 and the inclination of the protrusion 54, and the inserted cover 40 is caught on the stepped jaw so that it cannot escape to the outside. do. In order to withdraw the cover 40 inserted into the fixing groove 46 to the outside, the frame 40 is lifted up by using the tip member (70 in FIG. 9), and the cover 40 is rotated to the outside. Preferably, the frame 52 is formed with a groove 56 into which the tip 72 of the tip member 70 can be inserted. That is, the front end 72 of the tip member 70 is inserted into the groove 56, and then the frame 52 is lifted up and separated from the body 30. To this end, the tip 72 of the tip member 70 is preferably bent.

As described above, the bracket 100 is only installed after the calibration wire 2 is inserted into the insertion groove 32, and then the cover 40 is rotated and inserted into the fixing groove 46. Closing can be done very simply and quickly. In addition, when removing the straightening wire 2, the lid 40 may be rotated after lifting the frame 52 using the tip member 70. Therefore, the removal operation, that is, opening is also very easy. It can be done simply and quickly.

Rotating orthodontic bracket according to the present invention has the following effects.

First, its installation and removal can be done easily and quickly.

Second, the frictional force between the orthodontic wire and the bracket is minimized.

Third, because it does not need a separate member to hang the rubber band for calibration, the production is simple and the production cost is low.

Fourth, since the size can be minimized, the aesthetics and the foreign matter can be minimized.

Claims (6)

A body having an insertion groove into which a calibration wire is inserted; A cover rotatably installed on the body to cover the insertion groove by the rotation; And A rotating type orthodontic bracket, comprising: a fixing part provided on the body and fixing the cover rotated to cover the insertion groove. The method of claim 1, Rotating orthodontic brackets, characterized in that formed on the bottom of the body at least one or more first hook portion for hanging the orthodontic rubber. The method of claim 1, Rotating orthodontic brackets, characterized in that the end of the cover is formed with a second hook portion for hanging the orthodontic rubber band. The method of claim 1, Rotating orthodontic bracket, characterized in that the body has a triangular shape. The method according to any one of claims 1 to 4, Fixed part, A frame installed on the body to form a fixing groove into which the cover is rotated and inserted; And It is formed on the inlet side of the fixing groove, the inlet side of the fixing groove is formed to be inclined so that the cover can be inserted into the fixing groove by the rotation, and the inner side of the fixing groove to the step chin so that the cover does not escape to the outside by the rotation. Rotating orthodontic bracket, characterized in that it comprises a projection formed. The method of claim 5, Rotating orthodontic bracket, characterized in that the cover further comprises a tip member for separating the frame from the body so as to escape to the outside by the rotation.

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