CN108836526B - Correcting bracket - Google Patents
Correcting bracket Download PDFInfo
- Publication number
- CN108836526B CN108836526B CN201810580106.1A CN201810580106A CN108836526B CN 108836526 B CN108836526 B CN 108836526B CN 201810580106 A CN201810580106 A CN 201810580106A CN 108836526 B CN108836526 B CN 108836526B
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- groove
- arch wire
- roller
- concave groove
- bracket
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- 230000002452 interceptive effect Effects 0.000 claims abstract description 3
- 238000005096 rolling process Methods 0.000 claims description 33
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000004195 gingiva Anatomy 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C7/00—Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
- A61C7/12—Brackets; Arch wires; Combinations thereof; Accessories therefor
- A61C7/28—Securing arch wire to bracket
- A61C7/34—Securing arch wire to bracket using lock pins
Abstract
The invention discloses a novel correction bracket, which comprises a base plate and a bracket body with an arch wire groove, wherein at least one pulley device is arranged at the arch wire groove of the bracket body, and the pulley device comprises a concave groove and a roller mechanism positioned in the concave groove; the concave groove spans across the bottom of the arch wire groove, two ends of the concave groove are respectively positioned in the left wall and the right wall of the arch wire groove, and the left wall and the right wall of the arch wire groove where the grooves at the two ends of the concave groove are positioned are open grooves; the roller mechanism is two interactive roller groups positioned in grooves at two ends of the concave groove. The novel correction bracket disclosed by the invention can not only effectively reduce friction resistance between an arch wire and an arch wire groove in the early correction stage, but also effectively eliminate a clearance angle generated by the traditional bracket when a square wire is used in the later correction stage, so that force is applied to teeth more accurately, and the correction period is finally and effectively shortened.
Description
Technical Field
The invention belongs to the field of orthodontic medical appliances, and particularly relates to a novel-structure correction bracket.
Background
The self-locking bracket effectively reduces the sliding friction resistance of the archwire in the bracket, thereby improving the arrangement speed of teeth in the earlier stage of correction, closing the locking plate easily and simply, and saving the chair side time of ligating the archwire by an orthodontist. While early partial clinical trials showed that self-ligating brackets were more effective at aligning teeth, the subsequent higher prospective stochastic clinical trials did not find self-ligating brackets significantly shortened the orthodontic time throughout the orthodontic procedure. The reason is that most of the structural design defects of the self-locking bracket appliance do not provide accurate and effective three-dimensional tooth direction control for orthodontists to cope with different correction cases, so that the advantages of the self-locking bracket in the early correction stage do not make up for the defects in the later correction stage.
Disclosure of Invention
Aiming at the problems in the background technology, the invention provides a novel self-locking bracket which can be suitable for correcting the needs in different periods of the earlier stage and the later stage of correction. The correcting bracket disclosed by the invention can not only effectively reduce friction resistance between an arch wire and an arch wire groove in the early correction stage, but also effectively eliminate a clearance angle generated by the traditional bracket when a square wire is used in the later correction stage, so that force is applied to teeth more accurately, and the correction period is finally effectively shortened. Meanwhile, through the arrangement of the traction hook groove, namely the vertical auxiliary pipe, accurate and effective control on the three-dimensional direction of the teeth is truly realized.
The technical scheme adopted by the invention is as follows: the correcting bracket comprises a base plate and a bracket body with an arch wire groove, wherein at least one pulley device is arranged at the arch wire groove of the bracket body, and the pulley device comprises a concave groove and a roller mechanism positioned in the concave groove;
the concave groove spans across the bottom of the arch wire groove, two ends of the concave groove are respectively positioned in the left wall and the right wall of the arch wire groove, and the left wall and the right wall of the arch wire groove where the grooves at the two ends of the concave groove are positioned are open grooves; the roller mechanism is two interactive roller groups positioned in grooves at two ends of the concave groove.
The invention relates to a correction bracket, which comprises two rolling shafts, wherein each rolling shaft is provided with a rolling shaft guide post and a rolling shaft wall, and the rolling shaft wall rotates around the rolling shaft guide post; the roller walls of the two rollers are respectively grooves which are partially protruded out of the left wall and the right wall of the archwire groove; the guide post limiting grooves are formed in the corresponding supporting groove bodies at the upper ends of the guide posts of the rolling shaft, and the upper ends of the guide posts of the rolling shaft are clamped into the guide post limiting grooves in the supporting groove bodies.
The invention relates to a correction bracket, which comprises two rolling balls, wherein each rolling ball is provided with a rolling ball guide post and a rolling ball wall, and the rolling ball wall rotates around the rolling ball guide post; the ball walls of the two balls are grooves which are partially protruded out of the left wall and the right wall of the arch wire groove respectively; the corresponding support groove body at the upper end of the ball guide post is provided with a guide post limit groove, and the upper end of the ball guide post is clamped into the guide post limit groove on the support groove body.
The pulley device further comprises an elastic piece, wherein the elastic piece is positioned in the concave groove; the elastic sheet is provided with a horizontal bottom plate and two elastic sheet arms, and the two elastic sheet arms are respectively connected to two ends of the horizontal bottom plate and are perpendicular to the horizontal bottom plate; the horizontal bottom plate of the spring plate is arranged at the horizontal groove bottom of the concave groove, and the two spring plate arms are respectively propped against the groove walls at the two ends of the concave groove; the bottom part of the arch wire groove above the middle of the horizontal groove bottom of the concave groove presses the horizontal bottom plate of the elastic sheet; the rolling shafts or rolling balls of the two rolling wheel groups are respectively propped against the two spring plate arms; the horizontal bottom plate of the elastic sheet is also provided with a guide column limiting groove, and the lower end of the rolling shaft or the ball guide column is clamped into the guide column limiting groove on the horizontal bottom plate of the elastic sheet.
The invention relates to a correction bracket, which is provided with two pulley devices respectively positioned at the near middle position and the far middle position of an arch wire groove of a bracket body.
The correction bracket is characterized in that a traction hook groove is further formed in the bracket body and is positioned at the bottom of the bracket body between two pulley devices; the traction groove is internally provided with a pluggable traction hook, and the traction hook comprises a limiting arm, a hook arm and a ball hook head.
The invention has the following beneficial effects:
because the pulley devices at the near-middle and far-middle positions are arranged on the groove wall of the arch wire groove of the correction bracket, when the circular arch wire is used in the earlier correction stage, the arch wire is in 4-point contact with the near-middle roller group and the far-middle roller group in the groove. The rolling friction force generated between the roller and the arch wire is far smaller than the sliding friction force generated between the groove and the arch wire in the traditional bracket, so that the bracket can still freely move with small friction force, thereby well achieving the purpose of early correction.
Because the pulley devices at the near-middle and far-middle positions are arranged on the groove wall of the arch wire groove of the novel self-locking bracket, when the square arch wire is used in the later correction stage, the distance between two rolling shafts in the pulley devices is narrower than that of the square arch wire, the square arch wire acts on the spring plate arm after the rolling shafts are extruded by the square arch wire, and the spring plate arm is directly propped against the concave groove, so that the spring plate arm is deformed, and the spring plate arm stretches upwards. Limiting the square archwire between the two rollers does not allow the square archwire to move in the mid-far and mid-far directions. Because the upper end and the lower end of the roller guide post are respectively provided with the guide post limiting groove in the pulley device, the square arch wire can move along the gingival and jaw direction in the limiting grooves along with the roller mechanism. Namely, when the archwire is replaced with a square archwire with 0.014 to 0.025 inch, 6 point contacts are formed between the archwire and the inner walls of the proximal roller set, the distal roller set and the sliding cover in the slot. In conventional brackets, when 0.014 x 0.025 inches is placed in a 0.022 x 0.028 bracket slot, a clearance angle of about 32 ° is created, thereby affecting proper expression of bracket torque. In the roller self-locking bracket of the invention, the archwire and the roller are in close contact and have no clearance angle. That is, during the whole orthodontic treatment process, the first square arch wire is used, so that the complete torque expression is realized. Meanwhile, the rolling friction force generated between the roller and the arch wire is small, so that teeth can start to move under the application of small force in clinical application.
When the arch wire is continuously replaced and thickened to 0.019 which is 0.025 thick and thin, and enters a gap closing stage, the arch wire and the rolling shaft are in close contact in the whole stage, so that the complete torque expression of the bracket is realized. Meanwhile, rolling friction is still generated between the arch wire and the rolling shaft, so that side effects caused by the increase of friction force are avoided. In the gap closing stage, if strong anchorage is needed or teeth are prevented from moving, the braking effect can be achieved by adjusting the position of the traction hook in the vertical auxiliary pipe of the bracket. Therefore, the roller self-locking bracket can fully meet the correction requirements in different correction periods, and truly realizes accurate and effective control on the three-dimensional direction of teeth, thereby shortening the correction period.
Drawings
FIG. 1 is a schematic view of the structure of embodiment 1 of the present invention without a locking plate;
FIG. 2 is a longitudinal cross-sectional view of the pulley apparatus of FIG. 1;
FIG. 3 is a schematic view of a roller in the pulley assembly of FIG. 2;
FIG. 4 is a cross-sectional view of FIG. 3;
FIG. 5 is a schematic view of a spring plate of the pulley device of FIG. 2;
FIG. 6 is a schematic view of the installation relationship of the roller and the spring plate;
FIG. 7 is a bottom view of FIG. 6;
FIG. 8 is a schematic view of the installation of the spring plate in the concave groove;
FIG. 9a is a schematic diagram of a spring prior to deformation under square wire extrusion;
FIG. 9b is a schematic view of the spring after deformation under square wire extrusion;
FIG. 10 is a partial cross-sectional view of embodiment 2 of the present invention;
FIG. 11 is a schematic view showing the use state of embodiment 2 of the present invention;
FIG. 12 is a partial cross-sectional view of FIG. 11;
fig. 13 is a schematic view showing the limiting of the locking tab, the pulling hook and the roller pair to the yarn in embodiment 2.
Fig. 14 is a schematic view of the towing hook in example 2.
Detailed Description
Example 1
The embodiment is implemented on the basis of Chinese patent invention with the patent number ZL201510352547.2 and the patent name of a locking plate type self-locking bracket for tooth orthodontics. The embodiments of the present invention will not be further described with respect to the above-mentioned locking plate and locking plate closing structure of the locking plate type self-locking bracket for orthodontic treatment. However, the structure of the invention is not limited to the self-locking bracket, and can be arranged on other self-locking brackets with closing locking pieces. So long as the bracket has a structure that closes the locking tab and the archwire slot. And may even be placed on a conventional orthotic bracket.
The present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to the following examples.
As shown in FIG. 1, a corrective bracket includes a base plate 1, a bracket body 2 having an archwire slot 3 and a closure clip 13 positioned over the archwire slot 3. At the archwire slot 3 there is provided a mesial pulley means 4 and a distal pulley means 5, said mesial pulley means 4 and distal pulley means 5 being of identical construction. As shown in fig. 2, the pulley device comprises a concave groove 6 and two rollers 7 disposed in the concave groove 6. The concave groove 6 spans across the bottom of the arch wire groove, namely, two ends of the concave groove 6 are respectively positioned in the left wall and the right wall of the arch wire groove, the left wall and the right wall of the arch wire groove 3 where the concave groove 6 is positioned are open grooves, and the inner walls of the arch wire groove 3 where the near pulley device 4 and the far pulley device 5 are positioned in the figure 1. I.e. the left and right walls of the archwire slot 3 where the concave slot 6 is located are grooved. As shown in fig. 8, the lower bottom surface of the groove bottom portion of the archwire groove 3 spanned by the concave groove 6 is partially grooved, that is, a gap is provided between the groove bottom of the archwire groove 3 where the concave groove 6 is located and the base plate, and the gap is used for placing the horizontal bottom plate 81 of the spring piece 8.
As shown in fig. 2 and 8, a spring plate 8 is further disposed in the concave groove 6. As shown in fig. 5, the spring 8 has a horizontal bottom plate 81, a spring arm 82 and a spring arm 83, and the spring arm 82 and the spring arm 83 are respectively connected to two ends of the horizontal bottom plate 81 and perpendicular to the horizontal bottom plate 81. The elastic sheet 8 is integrally matched with the concave groove. As shown in fig. 8, 9a and 9b, the horizontal bottom plate 81 of the spring plate 8 is disposed at the horizontal bottom of the concave groove 6, and the spring plate arms 82 and 83 are respectively abutted against the groove walls 62 and 61 at both ends of the concave groove 6. As shown in fig. 8, when the horizontal bottom plate 81 of the spring plate 8 is disposed at the horizontal bottom of the concave groove 6, a part of the archwire groove bottom 31 in the middle of the horizontal bottom of the concave groove 6 can press the horizontal bottom plate 81 of the spring plate 8. Therefore, when the bracket is manufactured, the elastic sheet 8 is firstly arranged in the concave groove of the bracket body, and then the base plate 1 is fixedly connected with the bracket body 2, so that the elastic sheet 8 is fixed in the concave groove 6.
As shown in fig. 2, two rollers 7 in the roller mechanism have the same structure, and the specific structure is shown in fig. 3 and 4, the rollers 7 have a roller guide post 71 and a roller wall 72, the roller wall 72 can rotate around the roller guide post 71, and the roller guide post 71 can also rotate. In the embodiment, the roller in the roller mechanism is not limited to the structure shown in fig. 3 and 4, and may be modified. Any structure similar to the roller 7 may be used, and for example, the structure may be modified into a ball structure.
As shown in fig. 2 and 6, the two rollers 7 are located at both ends of the concave groove 6, i.e., in the spring piece arm 82 and the spring piece arm 83, respectively. Further, the upper ends of the roller guide posts 71 of the two rollers 7 are respectively positioned in a guide post limit groove 9 and a guide post limit groove 10 on the bracket body; as shown in fig. 6 and 7, the lower ends of the roller guide posts 71 of the two rollers 7 are respectively located at two ends of a guide post limit groove 84 on the horizontal bottom plate 81 of the spring plate 8.
As shown in fig. 9a and 9b, after the square wire C is clamped into the slot of the arch wire, the square wire C extrudes the roller due to the fact that the distance between the two rollers in the roller structure is narrower than that of the square wire C, the extrusion force acts on the elastic sheet through the roller, the outer wall of the elastic sheet directly contacts with the two side slot walls of the concave slot, and therefore the elastic sheet arm deforms, and the elastic sheet arm stretches upwards. At this time, the elastic force generated by the elastic sheet limits the square wire C in the far-near middle direction. The square wire C can also move upwards on the gingiva as the roller can freely rotate around the roller guide post and the upper end and the lower end of the roller guide post are respectively limited in the guide post limiting groove. As shown in fig. 6 and 7, the lower end of the roller guide post can be clamped into the guide post limiting groove on the horizontal floor of the spring plate, and the upper end of the roller guide post can be clamped into the limiting groove on the bracket body. Therefore, the roller can move left and right along the limiting groove, namely, the roller can drive the square wire C to move upwards on the gingival jaw.
In this embodiment, the two rollers may be directly fixed at the bottoms of the two ends of the concave groove without using a spring plate, that is, the lower ends of the two roller guide posts are directly fixed on the concave groove bottom, or the guide post limiting groove is directly formed on the concave groove bottom, and the lower ends of the roller guide posts are clamped into the guide post limiting groove formed on the concave groove bottom. The upper end of the roller guide post is clamped into the guide post limiting groove of the bracket body.
Example 2
Other structures of this embodiment are the same as those of embodiment 1, except that a vertical sub-pipe 11, that is, a pulling hook groove 11, hereinafter collectively referred to as a vertical sub-pipe 11 is further provided on the bracket body. The vertical auxiliary pipe 11 is a through hole, penetrates through the bottom of the bracket body and is vertical to the arch wire groove 3. The intersection of the vertical auxiliary pipe 11 and the arch wire groove 3 is that the top a of the through hole of the vertical auxiliary pipe 11 is slightly higher than the upper surface b of the arch wire groove bottom, and the arch wire groove bottom part of the intersection of the vertical auxiliary pipe 11 and the arch wire groove 3 is hollowed, namely the intersection coincidence of the arch wire groove and the vertical auxiliary pipe has no groove bottom. A pulling hook 12 may also be provided in the vertical secondary pipe 11, as shown in fig. 14, which includes a ball hook head 121, a hook arm 122 and a limiting arm 123. The hook arm 122 can be inserted into the vertical secondary pipe 11, and the limiting arm 123 is used for limiting the traction hook.
As shown in fig. 11, 12 and 13, the interaction of the square wire C with the roller structure as it passes through the archwire slot 3 is the same as in example 1. Due to the traction hook, the up-and-down displacement of the square wire C in the arch wire groove can be regulated, namely, the movement of the arch wire between the arch wire groove bottom and the lower surface of the locking plate 13. And the wall height of the traction hook can be changed to realize different correction purposes. When in early correction, a traction hook with small wall height can be placed in the device, so that the upward and downward sliding of the square wire C between the locking plate 13 and the bottom of the arch wire groove is not influenced. When the arch wire is replaced by a square arch wire with the thickness of 0.019 to 0.025 in later stage correction, if strong anchorage is needed or teeth are prevented from moving, the arch wire can be placed into a traction hook with large wall height to a vertical auxiliary pipe, so that the effect of braking is achieved.
The application method and the application effect of the invention are as follows:
in the early alignment leveling stage, when a 0.012 inch, 0.013 inch round archwire was used, the archwire was located in the enclosed area of the bracket slot and slider, was out of contact with the four walls and was free to slide. The friction force is extremely small at this stage, so that the early alignment of teeth is very convenient.
When the archwire is replaced with a 0.014 inch round archwire, the archwire makes 4 point contact with the mesial and distal roller sets in the slot. The rolling friction force generated between the roller and the arch wire is far smaller than the sliding friction force generated between the groove and the arch wire in the traditional bracket, so that the bracket can still move freely with small friction force even though the arch wire is contacted with the roller.
When the archwire is replaced with a 0.014 x 0.025 inch square archwire, 6 point contacts are formed between the archwire and the inner walls of the proximal roller set, distal roller set and sliding cover in the slot. In conventional brackets, when 0.014 x 0.025 inches is placed in a 0.022 x 0.028 bracket slot, a clearance angle of about 32 ° is created, thereby affecting proper expression of bracket torque. In the roller self-locking bracket, the arch wire is tightly contacted with the roller, and no clearance angle exists. That is, during the whole orthodontic treatment process, the first square arch wire is used, so that the complete torque expression is realized. Meanwhile, the rolling friction force generated between the roller and the arch wire is small, so that teeth can start to move under the application of small force in clinical application.
When the arch wire is continuously replaced and thickened to 0.019 which is 0.025 thick and thin, and enters a gap closing stage, the arch wire and the roller group are in close contact in the whole stage, so that the complete torque expression of the bracket is realized. Meanwhile, rolling friction is still generated between the arch wire and the roller, so that side effects caused by the increase of friction force are avoided. In the gap closing stage, if strong anchorage is needed or tooth movement is prevented, the function of braking can be achieved by adjusting the position of the traction hooks in the vertical auxiliary pipes of the bracket as in the embodiment 2.
Claims (3)
1. The utility model provides a correction bracket, includes the base plate and has the bracket body of archwire slot, its characterized in that: at least one pulley device is arranged at the arch wire groove of the bracket body and comprises a concave groove and a roller mechanism positioned in the concave groove;
the concave groove spans across the bottom of the arch wire groove, two ends of the concave groove are respectively positioned in the left wall and the right wall of the arch wire groove, and the left wall and the right wall of the arch wire groove where the grooves at the two ends of the concave groove are positioned are open grooves;
the roller mechanism is two interactive roller groups positioned in grooves at two ends of the concave groove; the roller set comprises two rollers, each roller is provided with a roller guide post and a roller wall, and the roller wall rotates around the roller guide post; the roller walls of the two rollers are respectively grooves which are partially protruded out of the left wall and the right wall of the archwire groove; a guide column limit groove is formed in the corresponding support groove body at the upper end of the guide column of the rolling shaft, and the upper end of the guide column of the rolling shaft is clamped into the guide column limit groove in the support groove body;
the pulley device further comprises a spring piece, wherein the spring piece is positioned in the concave groove; the elastic sheet is provided with a horizontal bottom plate and two elastic sheet arms, and the two elastic sheet arms are respectively connected to two ends of the horizontal bottom plate and are perpendicular to the horizontal bottom plate; the horizontal bottom plate of the spring plate is arranged at the horizontal groove bottom of the concave groove, and the two spring plate arms are respectively propped against the groove walls at the two ends of the concave groove; the bottom part of the arch wire groove above the middle of the horizontal groove bottom of the concave groove presses the horizontal bottom plate of the elastic sheet;
the rolling shafts of the two rolling wheel groups are respectively propped against the two spring plate arms; the horizontal bottom plate of the elastic sheet is also provided with a guide column limit groove, and the lower end of the guide column of the rolling shaft is clamped into the guide column limit groove on the horizontal bottom plate of the elastic sheet; a closing locking plate is arranged above the arch wire groove.
2. The orthotic bracket of claim 1, wherein: the pulley device is provided with two pulley devices which are respectively positioned at the near middle position and the far middle position of the archwire slot of the bracket body.
3. The corrective bracket of claim 2, wherein: the traction hook groove is arranged on the bracket body and is positioned at the bottom of the bracket body between the two pulley devices; the traction groove is internally provided with a pluggable traction hook, and the traction hook comprises a limiting arm, a hook arm and a ball hook head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810580106.1A CN108836526B (en) | 2018-06-07 | 2018-06-07 | Correcting bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810580106.1A CN108836526B (en) | 2018-06-07 | 2018-06-07 | Correcting bracket |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108836526A CN108836526A (en) | 2018-11-20 |
| CN108836526B true CN108836526B (en) | 2024-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810580106.1A Active CN108836526B (en) | 2018-06-07 | 2018-06-07 | Correcting bracket |
Country Status (1)
| Country | Link |
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| CN (1) | CN108836526B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112237488B (en) * | 2019-07-17 | 2022-05-06 | 广州欧欧医疗科技有限责任公司 | Flip type orthodontic bracket |
| CN112237487B (en) * | 2019-07-17 | 2022-05-06 | 广州欧欧医疗科技有限责任公司 | Slide type orthodontic bracket with variable arch wire groove |
| CN112237491B (en) * | 2019-07-17 | 2022-04-15 | 广州欧欧医疗科技有限责任公司 | Limiting mechanism of arch wire groove and orthodontic bracket applied by limiting mechanism |
| CN112237489B (en) * | 2019-07-17 | 2022-05-06 | 广州欧欧医疗科技有限责任公司 | Flip type orthodontic bracket with variable arch wire groove |
| CN111134877B (en) * | 2020-01-19 | 2022-02-15 | 广州创启医疗科技有限公司 | Gap-eliminating orthodontic bracket |
| CN113855283A (en) * | 2021-10-25 | 2021-12-31 | 浙江普特医疗器械有限公司 | Multifunctional bracket with limiting groove |
| CN114081646B (en) * | 2021-11-24 | 2023-11-28 | 重庆医科大学附属第二医院 | Self-locking correction system beneficial to multidimensional control |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6302688B1 (en) * | 1999-09-27 | 2001-10-16 | 3M Innovative Properties Company | Orthodontic appliance with self-releasing latch |
| CN102448402A (en) * | 2009-04-30 | 2012-05-09 | Tp正牙公司 | Self-ligating orthodontic bracket |
| CN209645107U (en) * | 2018-06-07 | 2019-11-19 | 浙江普特医疗器械有限公司 | Novel correction bracket |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6582226B2 (en) * | 1999-09-27 | 2003-06-24 | 3M Innovative Properties Company | Orthodontic appliance with self-releasing latch |
| US6632088B2 (en) * | 2001-04-25 | 2003-10-14 | Orthoarm, Inc. | Powered orthodontic bracket |
| US20170128163A1 (en) * | 2015-11-09 | 2017-05-11 | Naif Bindayel | Orthodontic systems |
-
2018
- 2018-06-07 CN CN201810580106.1A patent/CN108836526B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6302688B1 (en) * | 1999-09-27 | 2001-10-16 | 3M Innovative Properties Company | Orthodontic appliance with self-releasing latch |
| CN102448402A (en) * | 2009-04-30 | 2012-05-09 | Tp正牙公司 | Self-ligating orthodontic bracket |
| CN209645107U (en) * | 2018-06-07 | 2019-11-19 | 浙江普特医疗器械有限公司 | Novel correction bracket |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108836526A (en) | 2018-11-20 |
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Address after: 313301 Bamboo Industry Science Park, Xiaofeng Town, Anji County, Huzhou City, Zhejiang Province Applicant after: Zhejiang Pute Medical Instrument Co.,Ltd. Address before: 313301 Bamboo Industry Science Park, Xiaofeng Town, Anji County, Huzhou City, Zhejiang Province Applicant before: ZHEJIANG PROTECT MEDICAL EQUIPMENT Co.,Ltd. |
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| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Lin Xinping Inventor after: Wang Jianjun Inventor after: Hu Yi Inventor before: Lin Xinping Inventor before: Li Boxiu Inventor before: Wang Jianjun Inventor before: Hu Yi |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |