CN101690680B - Expansive orthodontic anchorage implant - Google Patents
Expansive orthodontic anchorage implant Download PDFInfo
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- CN101690680B CN101690680B CN2009103065609A CN200910306560A CN101690680B CN 101690680 B CN101690680 B CN 101690680B CN 2009103065609 A CN2009103065609 A CN 2009103065609A CN 200910306560 A CN200910306560 A CN 200910306560A CN 101690680 B CN101690680 B CN 101690680B
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- thread
- implantation body
- expansive
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Abstract
The invention belongs to medical apparatus, and in particular relates to an expansive orthodontic anchorage implant, which is characterized in that the anchorage implant comprises an implant and an expansive body matched with the implant; the upper end of the implant is a neck shoulder; the lower end of the implant is an implant body; the outer diameter of the neck shoulder is greater than that of the implant body; the neck shoulder is provided with an internal thread by taking a central axis as a center; the lower end of the internal thread is provided with an inner hole; the lower end of the inner hole is connected to a symmetrical gap through a tapering transition hole; the upper end of the expansive body is a hexagonal-structure nut; the lower end of the hexagonal-structure nut is an expansive-body neck thread; the size of the expansive-body neck thread is matched with the internal thread; the lower end of the expansive-body neck thread is provided with a column body matched with the inner hole; the lower end of the column body is a cone; and the shape of the cone is slightly smaller than the tapering transition hole of the gap. The anchorage implant has the advantages of utilizing mechanical expansion to increase the angulation angle of the contact surface of the tail end of the implant and bone tissue, compressing surrounding bone tissue at the same time, greatly increasing the holding force of the implant and reducing the loosening rate of the implant.
Description
Technical field
The invention belongs to medical equipment, be specifically related to a kind of expansive orthodontic anchorage implant.
Background technology
Orthodontic treatment is to the tooth or the jawbone application of force, and makes it to reach the process of certain position, and when giving the tooth and the jawbone application of force, the counteracting force of this strength must be born by a stable device, i.e. the notion of so-called " just abnormal anchorage ".Orthodontic anchorage implant mainly comprises: numerous bone property anchorage of repairing implantation body, palatine implantation body, the back zone implantation body of grinding one's teeth in sleep, minitype titanium plate, minitype titanium nail etc.Orthodontic anchorage implant can be realized the tooth mobile type that the just abnormal means of usefulness tradition are difficult to accomplish, and has also influenced the design and the enforcement of orthodontic treatment to a certain extent.The implant anchorage system also from traditional reparation implantation body to custom-designed orthodontic anchorage implant system; But material from the titanium alloy of routine to bioabsorbable material; System design is miniaturization more and more also, to adapt to more status requirement, has also reduced operation wound simultaneously, increases patient's toleration.Minitype titanium nail implant anchorage system the most commonly clinically at present, minitype titanium nail implantation body is as temporary anchorage device, and its anchorage ability can afterburning at once load from the initial stability of implantation body.Minitype titanium nail implantation body can implant any needed position of jawbone easily, and its diameter does not wait at 1.5mm to 3.0mm, and length does not wait at 6.0mm to 12.0mm.The design of just abnormal anchorage and control are most important for the orthodontic treatment success.But common clinically because bone mass defective (like osteoporosis) etc. influences the early stage stable of orthodontic anchorage implant, causes that implantation body becomes flexible, comes off, thereby causes the orthodontic treatment failure.
Summary of the invention
The object of the present invention is to provide a kind of maintenance performance preferably that has, low loose or dislocation rate, the expansive orthodontic anchorage implant of the alternative body after also can coming off simultaneously as conventional orthodontic anchorage implant.
For achieving the above object, the technical scheme that the present invention adopts is a kind of expansive orthodontic anchorage implant, it is characterized in that: comprise implantation body and the expander that matches with implantation body; Implantation body is a cavity structure, and the implantation body upper end is a neck and shoulder, and the lower end is implantation body's body; The neck and shoulder external diameter is greater than the external diameter of implantation body's body; Neck and shoulder is that the center offers one section female thread with the central axis, and there is one section endoporus the female thread lower end, and the endoporus lower end is through a symmetric slit, tapering transition hole to; Described expander upper end emits for the hexagonal structure spiral shell; It is the expander neck thread that the hexagonal structure spiral shell emits the lower end; Expander neck thread size matches with described female thread; There is one section cylinder that cooperates with said endoporus expander neck thread lower end, and the cylinder lower end is a cone, and the cone-shaped state is slightly less than described tapering transition hole, slit.
Described neck and shoulder outward flange is slick and sly.
This body diameter of described implantation body is 2.0mm, and internal diameter is 1.7mm, and length is 6.0mm, and the external screw thread height is 0.15mm, and external screw thread pitch is 0.6mm, and gap length is 4.0mm, and gap width is 0.4mm.
Described neck and shoulder 2 highly is 2.0mm, and external diameter is 3.0mm, and internal diameter is 0.3mm, and the female thread height is 0.1mm, and female thread pitch is 0.25mm.
It is 3.0mm that described hexagonal structure spiral shell emits diameter, and expander neck thread thread depth is 0.1mm, and thread pitch is 0.25mm.Expanded core length is 8.0mm.
The equal material of described implantation body and the expander that matches with implantation body adopts Ti
6Al
4V is easy to processing, and cost is lower; While Ti
6Al
4V also has certain elasticity, can satisfy the requirement that implant anchorage takes out.
The present invention utilize mechanical swelling increase implantation body terminal with the osseous tissue contact surface become the angle angle, compress the surrounding bone tissue simultaneously, improved the hold of implantation body greatly, reduce the loosening rate of implantation body.
Description of drawings
Fig. 1 is an overall structure sketch map of the present invention;
Fig. 2 is the side view of Fig. 1;
Fig. 3 is user mode figure of the present invention.
Among the figure, 1, the hexagonal structure spiral shell emits; 2, neck and shoulder; 3, implantation body's body; 4, slit; 5, cavity structure; 6, expander neck thread; 7, expanded core.
The specific embodiment
Below in conjunction with the embodiment accompanying drawing the present invention is done further explain.
As depicted in figs. 1 and 2, comprise implantation body and the expander that matches with implantation body, implantation body is a cavity structure 5; The implantation body upper end is a neck and shoulder 2; The lower end is implantation body's body 3, and neck and shoulder 2 external diameters are greater than the external diameter of implantation body's body 3, and neck and shoulder 2 is that the center offers one section female thread with the central axis; There is one section endoporus the female thread lower end, and the endoporus lower end is through a symmetric slit 4, tapering transition hole to; Described expander upper end emits 1 for the hexagonal structure spiral shell; It is expander neck thread 6 that the hexagonal structure spiral shell emits 1 lower end; Expander neck thread 6 sizes match with described female thread; There is one section cylinder that cooperates with said endoporus expander neck thread 6 lower ends, and the cylinder lower end is a cone, and the cone-shaped state is slightly less than 4 described tapering transition holes, slit.Cavity comprises
As shown in Figure 3, through with the cone of expander lower end along pushing under the implant axis alignment, when the hexagonal structure spiral shell emits the expander neck thread 6 of 1 lower end to engage with neck and shoulder 2 female threads; Rotate the hexagonal structure spiral shell and emit 1; The cone of expander lower end will through the tapering transition hole to below in the symmetric slit 4, along with the cone of expander lower end is constantly downward, implantation body's body 3 constantly expands with slit 4; Thereby realize the expansion at implantation body's body 3 tips, reach retention effect preferably.
During design, neck and shoulder 2 outward flanges are slick and sly, are in order to reduce the damage to gingiva; Implantation body's body 3 external diameters are 2.0mm, and internal diameter is 1.7mm, and length is 6.0mm, and the external screw thread height is 0.15mm, and external screw thread pitch is 0.6mm, and slit 4 length are 4.0mm, and slit 4 width are 0.4mm; Neck and shoulder 2 highly is 2.0mm, and external diameter is 3.0mm, and internal diameter is 0.3mm, and the female thread height is 0.1mm, and female thread pitch is 0.25mm; It is 3.0mm that the hexagonal structure spiral shell emits 1 diameter, and expander neck thread 6 thread depths are 0.1mm, and thread pitch is 0.25mm, and expanded core 7 length are 8.0mm.
Implantation body of the present invention adopts Ti
6Al
4V has substituted original Nitinol as raw material.Reduced difficulty of processing, thereby reduced cost under the constant situation of result of use guaranteeing; Because orthodontic anchorage implant will take out behind orthodontic treatment, the expansion type structure is unfavorable for clinical taking-up implantation body, utilizes Ti
6Al
4V has certain shape restorability, after treatment finishes, and the convenient implantation body that takes out, Ti simultaneously
6Al
4V has excellent biological compatibility, can be applied to clinical; The implantation body that the screw-in expanded core is avoided when implant surgery, possibly causing outwards deviates from, and influences the effect of its maintenance, simultaneously also can be according to the expansible angle of degree of depth control implantation body that screws in; Expanded core top is that hexagonal design makes things convenient for the assistive device operation to screw in.
Claims (2)
1. expansive orthodontic anchorage implant, it is characterized in that: comprise implantation body and the expander that matches with implantation body, implantation body is cavity structure (5); The implantation body upper end is neck and shoulder (2); The lower end is implantation body's body (3), and neck and shoulder (2) external diameter is greater than the external diameter of implantation body's body (3), and neck and shoulder (2) is that the center offers one section female thread with the central axis; There is one section endoporus the female thread lower end, and the endoporus lower end is through a symmetric slit (4), tapering transition hole to; Described expander upper end is hexagonal structure nut (1); Hexagonal structure nut (1) lower end is expander neck thread (6); Expander neck thread (6) size matches with described female thread; There is one section cylinder that cooperates with said endoporus expander neck thread (6) lower end, and the cylinder lower end is a cone, and cone shape is slightly less than the tapering transition hole; Described neck and shoulder (2) outward flange is slick and sly; Described implantation body body (3) external diameter is 2.0mm, and internal diameter is 1.7mm, and length is 6.0mm, and the external screw thread height is 0.15mm, and external screw thread pitch is 0.6mm, and slit (4) length is 4.0mm, and slit (4) width is 0.4mm; Described neck and shoulder (2) highly is 2.0mm, and external diameter is 3.0mm, and internal diameter is 0.3mm, and the female thread height is 0.1mm, and female thread pitch is 0.25mm; Described hexagonal structure nut (1) diameter is 3.0mm, and expander neck thread (6) thread depth is 0.1mm, and thread pitch is 0.25mm.
2. a kind of expansive orthodontic anchorage implant according to claim 1 is characterized in that: described implantation body and the expander that matches with implantation body are by Ti
6Al
4V processes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103065609A CN101690680B (en) | 2009-02-11 | 2009-09-03 | Expansive orthodontic anchorage implant |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920031879.0 | 2009-02-11 | ||
| CN200920031879 | 2009-02-11 | ||
| CN2009103065609A CN101690680B (en) | 2009-02-11 | 2009-09-03 | Expansive orthodontic anchorage implant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101690680A CN101690680A (en) | 2010-04-07 |
| CN101690680B true CN101690680B (en) | 2012-07-04 |
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ID=42079431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009103065609A Expired - Fee Related CN101690680B (en) | 2009-02-11 | 2009-09-03 | Expansive orthodontic anchorage implant |
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| Country | Link |
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| CN (1) | CN101690680B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102824220A (en) * | 2012-09-06 | 2012-12-19 | 哈尔滨工程大学 | Self-expansion type shape memory alloy medicine-carrying implant |
| CN104055591B (en) * | 2013-07-31 | 2016-12-28 | 广州市健齿生物科技有限公司 | There is spontaneous elastic and expand the closed implantation body of function |
| CN106333754B (en) * | 2016-09-21 | 2017-11-17 | 中国人民解放军第四军医大学 | A kind of pure titanium oral cavity micro-implant of Ultra-fine Grained and preparation method thereof |
| CN106691609B (en) * | 2016-11-24 | 2022-04-15 | 北京华钽生物科技开发有限公司 | High-affinity tissue corrosion-resistant implant and manufacturing method thereof |
| CN109938860A (en) * | 2017-12-20 | 2019-06-28 | 北京德瑞森科技有限公司 | A kind of transitional denture |
| CN110025389A (en) * | 2019-04-15 | 2019-07-19 | 五邑大学 | A kind of expanded tooth planting unit based on differential thread transmission |
| CN110368115A (en) * | 2019-08-19 | 2019-10-25 | 浙江明威医疗器械有限公司 | Dental implant and implantation methods |
| CN113331973B (en) * | 2021-06-04 | 2022-09-23 | 西安交通大学口腔医院 | Oral implant and oral implant assembly |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2490364A (en) * | 1948-02-27 | 1949-12-06 | Herman H Livingston | Bone pin |
| CN1033560A (en) * | 1987-06-15 | 1989-07-05 | 安蒂·伊利-厄普 | Substitute the implant of tooth or part osseous tissue |
| US5611688A (en) * | 1994-05-13 | 1997-03-18 | Hanosh; Frederick N. | Expanding dental implant and method for its use |
| KR20040037967A (en) * | 2002-10-31 | 2004-05-08 | 정필훈 | Morphological Expanding Dental Implant |
-
2009
- 2009-09-03 CN CN2009103065609A patent/CN101690680B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2490364A (en) * | 1948-02-27 | 1949-12-06 | Herman H Livingston | Bone pin |
| CN1033560A (en) * | 1987-06-15 | 1989-07-05 | 安蒂·伊利-厄普 | Substitute the implant of tooth or part osseous tissue |
| US5611688A (en) * | 1994-05-13 | 1997-03-18 | Hanosh; Frederick N. | Expanding dental implant and method for its use |
| KR20040037967A (en) * | 2002-10-31 | 2004-05-08 | 정필훈 | Morphological Expanding Dental Implant |
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| Publication number | Publication date |
|---|---|
| CN101690680A (en) | 2010-04-07 |
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