Bracket and self-locking method of bracket

A technology of brackets and arch wire slots, which is applied in the field of brackets and self-locking brackets, can solve the problems of affecting the treatment effect, easy to wear pins, and loss of arch wire fixing ability, etc., so as to avoid damage and uniform force Effect

Active Publication Date: 2018-02-23
GUANGZHOU OO MEDICAL SCI LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the narrow and long sliding groove of this locking structure, the pins are easy to wear during the process of opening the cover, and the wall of the elastic arm is relatively short, resulting in a decrease in the self-locking force of the cover, making the cov

Method used

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  • Bracket and self-locking method of bracket
  • Bracket and self-locking method of bracket
  • Bracket and self-locking method of bracket

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] see figure 1 , is an exploded exploded view of the bracket, the bracket includes a bracket body 100 , a cover 200 , an elastic member 300 and a bottom plate 400 , and the bottom plate 400 is provided with a boss 401 .

[0039] see figure 2 The top of the bracket main body 100 is provided with an archwire slot 101, the archwire slot 101 divides the bracket main body 100 into a first end 102 and a second end 103, and the top of the first end 102 is provided with a T-shaped slot 106 , a placement hole 104 is provided at the bottom of the T-shaped slot 106, the placement hole 104 penetrates to the bottom end of the bracket main body 100, and a T-shaped slot is provided on the side of the placement hole 104 perpendicular to the groove direction of the archwire slot 101. The bottom begins to extend to the escape position 105 inside the placement hole 104 .

[0040] see image 3 , Figure 4 , is the cover body 200, the bottom surface of the cover body 200 is provided with...

Embodiment 2

[0047] See Figure 9 , the archwire slot 101 is in the closed position, and the elastic member 300 is arranged laterally. At this time, the sliding protrusion 202 of the cover body 200 is arranged on the top end of the cover body 200. When the archwire slot 101 is opened, the sliding protrusion 202 is pressed against the elastic member 300 , the downward pressure applied to the elastic member 300 forces the upper end 311 and the lower end 312 at the notch 301 of the elastic member 300 to approach each other, and the principle is the same as that of the first embodiment.

[0048] See Figure 10 , are three differently deformed elastic members 300, which are respectively in the natural state, the state of the compression process, or the state after compression, where Figure A is in three states, the natural state, the state of the compression process, the state after compression, and the elastic member 300 after compression In a closed-loop state, it can withstand a large force...

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Abstract

The invention discloses a bracket. The bracket comprises a bracket body, a cover body, an elastic part and a bottom plate, wherein the bracket body is provided with an arch wire groove in a penetrating way; the bottom plate is arranged at the bottom part of the bracket; the cover body is glidingly matched with the top part of the bracket body, and is used for opening or closing the arch wire groove; a slide bulge is arranged on the cover body, and the elastic part is arranged on the bracket body; the slide bulge is in contact with the elastic part, and is used for extruding the elastic part when the cover body is slide; the elastic part is provided with a notch. The bracket has the advantages that by arranging the elastic part with the notch, the larger locking force can be produced on thecover body, the stress is uniform, and the cover body can be tightly fixed; the size of the notch can be adjusted, so that the self-locking force can be adjusted, and the different self-locking forceis set between different brackets at different tooth positions; the elastic part does not extrude the bracket body and the cover body in the deformation process, so that the damage to the elastic part is avoided.

Description

technical field [0001] The invention designs the fields of fixed orthodontic technology and tooth orthodontics, and in particular relates to brackets and bracket self-locking methods. Background technique [0002] Bracket is an important part of fixed orthodontic technology. It is an appliance for correcting tooth alignment deformity. The archwire exerts various types of orthodontic force on the teeth through the bracket. The main function of the bracket is to fix the archwire. In this way, the arch wire can play a better role and transmit the orthodontic force, so as to control the three-dimensional movement of the teeth and achieve the purpose of orthodontic treatment. [0003] The bracket cover is used to fix the arch wire, and the bracket cover is locked and positioned by a locking structure. [0004] The existing locking structure of the bracket cover is to open a groove at the bottom of the cover and use the external pin to fix the cover to realize positioning and loc...

Claims

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Application Information

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IPC IPC(8): A61C7/30
CPCA61C7/30A61C2204/00
Inventor 吉利
Owner GUANGZHOU OO MEDICAL SCI LTD
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