CN109758244B - Anti-rotation anti-dislocation oral implant system - Google Patents
Anti-rotation anti-dislocation oral implant system Download PDFInfo
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- CN109758244B CN109758244B CN201910150082.0A CN201910150082A CN109758244B CN 109758244 B CN109758244 B CN 109758244B CN 201910150082 A CN201910150082 A CN 201910150082A CN 109758244 B CN109758244 B CN 109758244B
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Abstract
The invention discloses an anti-rotation anti-dislocation oral implant system, which comprises an abutment, an implant and an abutment screw, wherein the abutment is arranged on the implant and fixed through the abutment screw; the implant comprises an implant inner cavity and an implant inner core arranged in the implant inner cavity, wherein an anti-rotation wing mechanism is arranged on the implant inner core, and a rotation wing outlet used for the anti-rotation wing mechanism to stretch out and lock the implant is arranged on the implant. The oral implant system is mainly used for patients with insufficient alveolar bone density in the tooth lacking area, and can increase the initial stability of the implant by increasing the implant-bone contact area and prevent the dislocation of the implant; the implant is prevented from rotating by the antagonistic action of the anti-rotation wing mechanism; the screw of the abutment is prevented from being broken due to lateral force by providing a fulcrum below the screw.
Description
Technical Field
The invention relates to the technical field of implant restoration after tooth loss. In particular to an anti-rotation and anti-dislocation oral implant system.
Background
The tooth is planted and often has a special edentulous patient in the clinic, if the edentulous district alveolar bone density is lower, need carry out bone extrusion art and just can accomplish conventional intraosseous implantation operation, but excessive bone extrusion can lead to around the implant osteonecrosis, is unfavorable for planting the body osseointegration.
Disclosure of Invention
The invention aims to solve the problems and provides an anti-rotation anti-dislocation oral implant system, so that the problems of implant rotation, dislocation and the like of a patient with low alveolar bone density in the edentulous area after an implant operation are avoided.
In order to achieve the purpose, the invention adopts the following technical means:
an anti-rotation anti-dislocation oral implant system comprises an abutment, an implant and an abutment screw, wherein the abutment is arranged on the implant and fixed through the abutment screw;
the implant comprises an implant inner cavity and an implant inner core arranged in the implant inner cavity, wherein an anti-rotation wing mechanism is arranged on the implant inner core, and a rotation wing outlet used for the anti-rotation wing mechanism to stretch out and lock the implant is arranged on the implant.
As a further improvement of the invention, the anti-rotation wing mechanism comprises a shaft and a rotation wing arranged on the shaft, wherein the shaft is arranged on the outer wall of the implant inner core; the rotary wings are spirally arranged along the outer wall of the shaft, the rotary wings are gradient body mechanisms with sharp edges, and the outer walls of the rotary wings are arc-shaped.
As a further improvement of the invention, when the implant inner core rotates towards one direction, the rotating wing can be contacted with the implant inner cavity and extend out of the rotating wing outlet to form a locking state; when the implant inner core rotates towards the other direction, the rotating wing rotates along with the implant inner core and is not locked with the implant inner cavity.
As a further improvement of the invention, the outlet of the rotating wing penetrates through the inner wall and the outer wall of the implant, and the outlet of the rotating wing forms an included angle with the radial direction of the implant.
As a further improvement of the invention, the upper end part of the inner core of the implant body is provided with a lower concave cavity, the lower concave cavity comprises a thread section which is matched and connected with a screw of the base station and a wrench operation section which is matched and rotated with an operation wrench, and the thread section is arranged at the upper end of the wrench operation section.
As a further improvement of the invention, the wrench operation section is of a polygonal structure; the operation wrench comprises an operation head and an operation rod connected with the operation head, and the operation head is of a polygonal structure matched with the operation section of the wrench.
As a further improvement of the invention, the implant inner core is in a regular polygon structure, and the anti-rotation wing mechanism is arranged on the vertex of the regular polygon.
As a further improvement of the invention, the anti-rotation wing mechanism is provided with a plurality of layers on the inner core of the implant, and each layer is provided with at least one anti-rotation wing mechanism; the plurality of anti-rotation wing mechanisms are uniformly arranged on the same circumferential plane of the implant inner core.
As a further improvement of the invention, the surface of the implant is treated by sand blasting and acid etching.
As a further improvement of the invention, the bottom of the inner cavity of the implant is provided with a rotating platform, and the bottom of the inner core of the implant is arranged on the rotating platform.
Compared with the prior art, the invention has the following advantages:
the oral implant system for resisting rotation and dislocation and preventing the fracture of the screw of the abutment is matched with bone extrusion for use, and the anti-rotation wing mechanism hidden in the implant is screwed out through the internal switch after the implant is implanted, so that the aims of increasing the bone combination area and preventing the implant from rotating and dislocating are fulfilled. Meanwhile, when the upper mechanism is repaired in the later stage, the abutment screw matched with the inner diameter of the implant is stretched into the switch of the anti-rotation wing mechanism, so that the lateral force of the abutment screw in the dental crown stress process is balanced, and the effect of preventing the abutment screw from being broken is achieved. The oral implant system is mainly used for patients with insufficient alveolar bone density in the edentulous area, and can increase the initial stability of the implant by increasing the implant-bone contact area and prevent the implant from dislocation; the implant is prevented from rotating by the antagonistic action of the anti-rotation wing mechanism.
Further, the concave cavity of the implant inner core prevents the abutment screw from breaking due to lateral force by providing a fulcrum below the abutment screw.
Furthermore, the implant and the base station are connected in an octagonal manner, the base station is fixed through the base station screws, and the surface of the implant is subjected to sand blasting and acid etching treatment, so that the surface hydrophilicity of the implant is increased, and the bone combination is facilitated.
Drawings
Fig. 1 is a schematic view of an oral implant mechanism of the present invention.
Fig. 2 is an internal mechanism diagram of the present invention.
FIG. 3 is a cross-sectional view of the anti-rotation wing mechanism without being unscrewed.
FIG. 4 is a cross-sectional view of the anti-rotation wing mechanism after unscrewing.
Fig. 5 is a partially enlarged cross-sectional view of the anti-rotation wing mechanism after being unscrewed.
Fig. 6 is a three-dimensional mechanical diagram of the inferior 1/3 in the implant after the anti-rotation wing mechanism has been unscrewed.
Fig. 7 is a schematic view of the mechanism of the screwdriver controlling the rotary wing.
Fig. 8 is an overall three-dimensional view after repair is completed.
Wherein, 1 is a dental crown; 2 is a base station; 3 is an implant; 4 is an anti-rotation wing mechanism; 5 is a rotating table; 6 is an inner cavity of the implant; 7 is a base screw; 8 is an implant inner core; 9 is a rotating wing outlet; 10 is jaw bone; 11 is a concave cavity; 12 is a tip of a rotary wing; 13 is an operating head; and 14 is an operating rod.
Detailed Description
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the following description of the embodiments of the present invention with reference to the accompanying drawings and examples is given by way of illustration and not limitation.
As shown in fig. 1 to 4, the oral implant system of the invention comprises an abutment 2, an implant 3 and an abutment screw 7, wherein the abutment 2 is arranged on the implant 3 and fixed by the abutment screw 7;
the implant 3 comprises an implant inner cavity 6 and an implant inner core 8 arranged inside the implant inner cavity 6, an anti-rotation wing mechanism 4 is arranged on the implant inner core 8, and a rotation wing outlet 9 used for the anti-rotation wing mechanism 4 to stretch out and lock the implant is arranged on the implant 3.
The anti-rotation wing mechanism 4 comprises a shaft and a rotation wing 12 arranged on the shaft, and the shaft is arranged on the outer wall of the implant inner core 8; the rotary wings 12 are spirally arranged along the outer wall of the shaft, the rotary wings 12 are tapered mechanisms, the edges of the rotary wings 12 are sharp, and the outer walls of the rotary wings 12 are arc-shaped.
The bottom of the inner cavity 6 of the implant is provided with a rotating platform 5, and the bottom of the inner core 8 of the implant is arranged on the rotating platform 5. Reducing the friction force generated by the rotation of the implant inner core 8.
As shown in fig. 3 and 4, the principle of operation of the anti-rotation wing mechanism is: when the implant inner core 8 rotates towards one direction, the rotary wing 12 can be in contact with the implant inner cavity 6 and extend out of the rotary wing outlet 9 to form a locking state, the initial stability of the implant is increased by increasing the implant-bone contact area, and the dislocation of the implant is prevented; when the implant inner core 8 rotates towards the other direction, the rotary wing 12 rotates along with the implant inner core 8 and is not locked with the implant inner cavity 6.
As shown in figures 5 and 6, the outlet 9 of the rotating wing penetrates through the inner wall and the outer wall of the implant 3, and the outlet 9 of the rotating wing forms an included angle alpha with the radial direction of the implant 3. The setting of contained angle makes the rotatory back of implant inner core 8, and swivel wing 12 can get into swivel wing export 9 easily, improves the accuracy of locking.
Implant inner core 8 upper end be provided with cavity 11 down, lower cavity 11 including be used for with base station screw 7 cooperation be connected the screw thread section with be used for with the operation spanner cooperation realize pivoted spanner operation section, the screw thread section sets up in spanner operation section upper end, spanner operation section is polygonized structure.
As shown in fig. 7, the mechanism of the operating wrench comprises an operating head 13 and an operating rod 14 connected with the operating head 13, and the operating head 13 has a polygonal structure matched with the operating section of the wrench. Preferably a regular hexagonal structure.
The implant inner core 8 is in a regular polygon structure, preferably a regular quadrilateral structure. Four anti-rotation wing mechanisms 4 are arranged on the vertices of the regular quadrilateral.
Preferably, the anti-rotation wing mechanism 4 is provided with a plurality of layers on the implant inner core 8, and each layer is provided with at least one anti-rotation wing mechanism; the plurality of anti-rotation wing mechanisms are uniformly arranged on the same circumferential plane of the implant inner core 8. The locking force of the anti-rotation wing mechanism is improved.
Wherein, the connection between the implant neck and the abutment adopts an octagonal internal connection mode, and the abutment is fixed by screws. The implant body can adopt a columnar or conical design, and the surface is provided with or without threads; if the implant surface has threads, a self-tapping thread design may be used. The implant surface is treated by sand blasting and acid etching, so that the surface hydrophilicity is increased, and the osseointegration is promoted; the anti-rotation wing mechanism adopts the same material and processing mode as the implant.
The anti-rotation wing mechanisms of the present invention are distributed in the lower 1/3 portion of the implant, for a total of 4 anti-rotation wing mechanisms per group. In the practical application process, the distribution of the anti-rotation wing mechanisms and the number of each group can be adjusted according to the situation.
The invention relates to a mounting method of an anti-rotation anti-dislocation oral implant, which comprises the following steps:
1. gradually preparing planting pits by adopting split drills with corresponding specifications;
2. implanting an implant and applying force to 40-45N to enable the top edge of the implant to be flush with the bone surface;
3. rotating the internal mechanism of the implant by using a wrench to enable the anti-rotation wing mechanism to extend out of the implant;
4. and installing a covering nut.
Examples
As shown in figures 1 to 7, the implant is manufactured by machining pure titanium materials, the outer part of the implant is cylindrical or conical, the diameter of the implant is four specifications of 4.0mm, 4.5mm, 5.0mm and 5.5mm, and the length of the implant is five specifications of 8.0mm, 9.0mm, 10.0mm, 11.0mm and 12.0 mm.
As shown in fig. 3 and 4, the anti-rotation wings are positioned inside the implant before the implant is in place, and after the implant is in place, the inner mechanism is rotated by using the wrench of fig. 7 to unscrew and lock the anti-rotation wings.
Implant inner core 8 upper end be provided with cavity 11 down, lower cavity 11 including be used for with base station screw 7 cooperation be connected the screw thread section with be used for with the operation spanner cooperation realize pivoted spanner operation section, the screw thread section sets up in spanner operation section upper end, spanner operation section is polygonized structure. When the upper mechanism is repaired, the screw of the conical base can enter the switch groove of the anti-rotation wing, so that the function of providing a fulcrum is achieved.
As shown in FIGS. 3 and 4, the implant prepared according to the present invention may be unthreaded or threaded, and if threaded, may be self-tapping, having a diameter of 1.5-2.5mm and a length of 3-5 mm; also can be a standard thread with a diameter of 2-3 mm and a length of 2-5 mm. Fig. 8 is an overall three-dimensional view after repair is completed.
The implant is a cylindrical or conical implant, the outer surface of the implant is provided with or without threads, the abutment is connected with the implant through abutment screws, and a crown is fixed above the abutment. The fixture is used for preventing the implant from rotating and dislocating under the condition that the density of the residual alveolar bone is poor, and can achieve a certain function of preventing the fracture of the screw of the abutment.
The implant implantation method provided by the invention comprises the following steps: after the implant pit is completed and the implant is implanted, the implant is inserted into the implant through a special screwdriver, and the anti-rotation wing mechanism made of pure titanium and hidden inside the implant is inserted out of the implant through rotating the screwdriver, so that the initial stability of the implant is improved by increasing the contact area of the implant and the bone, and the anti-rotation and anti-dislocation functions of the implant are achieved through the antagonism of the anti-rotation wing mechanism. When the base platform is installed, the function of preventing the base platform screw from being broken is achieved in a mode that the base platform screw with the matched diameter extends into the screw hole of the anti-rotation wing mechanism. The implant implantation torque was the same as the conventional implant, 45 NCM.
The above-mentioned embodiments, objects, technical solutions and advantages of the present invention have been described in further detail, it should be understood that the above are only exemplary embodiments of the present invention, and the embodiments of the present invention should not be considered as limited thereto.
Although specific embodiments of the present invention have been described above with reference to the accompanying drawings, the present invention is not limited to the specific embodiments described above, which are intended to be illustrative, instructive, and not restrictive. Those skilled in the art, having the benefit of this disclosure, may effect numerous modifications thereto without departing from the scope of the invention as defined by the appended claims.
Claims (9)
1. An anti-rotation anti-dislocation oral implant system, comprising: comprises a base platform (2), an implant body (3) and a base platform screw (7), wherein the base platform (2) is arranged on the implant body (3) and is fixed through the base platform screw (7);
the implant (3) comprises an implant inner cavity (6) and an implant inner core (8) arranged in the implant inner cavity (6), wherein an anti-rotation wing mechanism (4) is arranged on the implant inner core (8), and a rotation wing outlet (9) used for extending out of the anti-rotation wing mechanism (4) and locking the implant is arranged on the implant (3);
the anti-rotation wing mechanism (4) comprises a shaft and a rotation wing (12) arranged on the shaft, and the shaft is arranged on the outer wall of the implant inner core (8); the rotary wing (12) is spirally arranged along the outer wall of the shaft, the rotary wing (12) is a gradual change body mechanism with a pointed edge, and the outer wall of the rotary wing (12) is arc-shaped.
2. The anti-rotational anti-dislocation oral implant system as claimed in claim 1, wherein: when the implant inner core (8) rotates towards one direction, the rotary wing (12) can be in contact with the implant inner cavity (6) and extend out of the rotary wing outlet (9) to form a locking state; when the implant inner core (8) rotates towards the other direction, the rotating wing (12) rotates along with the implant inner core (8) and is not locked with the implant inner cavity (6).
3. The anti-rotational anti-dislocation oral implant system according to claim 1 or 2, wherein: the outlet (9) of the rotating wing penetrates through the inner wall and the outer wall of the implant (3), and an included angle is formed between the outlet (9) of the rotating wing and the implant (3) in the radial direction.
4. The anti-rotational anti-dislocation oral implant system according to claim 1 or 2, wherein: implant inner core (8) upper end be provided with down cavity (11), lower cavity (11) including be used for with base station screw (7) cooperation be connected the screw thread section with be used for with the operation spanner cooperation realize pivoted spanner operation section, the screw thread section sets up in spanner operation section upper end.
5. The anti-rotational anti-dislocation oral implant system according to claim 4, wherein: the wrench operation section is of a polygonal structure; the operation spanner include operating head (13) and operating rod (14) be connected with operating head (13), operating head (13) be with spanner operation section complex polygon structure.
6. The anti-rotational anti-dislocation oral implant system as claimed in claim 1, wherein: the implant inner core (8) is of a regular polygon structure, and the anti-rotation wing mechanism (4) is arranged on the vertex of the regular polygon.
7. The anti-rotational anti-dislocation oral implant system as claimed in claim 1, wherein: the anti-rotation wing mechanism (4) is provided with a plurality of layers on the implant inner core (8), and each layer is provided with at least one anti-rotation wing mechanism; the anti-rotation wing mechanisms are uniformly arranged on the same circumferential plane of the implant inner core (8).
8. The anti-rotational anti-dislocation oral implant system as claimed in claim 1, wherein: the surface of the implant (3) is treated by sand blasting and acid etching.
9. The anti-rotational anti-dislocation oral implant system as claimed in claim 1, wherein: the bottom of the implant inner cavity (6) is provided with a rotating platform (5), and the bottom of the implant inner core (8) is arranged on the rotating platform (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910150082.0A CN109758244B (en) | 2019-02-28 | 2019-02-28 | Anti-rotation anti-dislocation oral implant system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910150082.0A CN109758244B (en) | 2019-02-28 | 2019-02-28 | Anti-rotation anti-dislocation oral implant system |
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| CN109758244A CN109758244A (en) | 2019-05-17 |
| CN109758244B true CN109758244B (en) | 2020-12-01 |
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| CN201910150082.0A Active CN109758244B (en) | 2019-02-28 | 2019-02-28 | Anti-rotation anti-dislocation oral implant system |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102307538B (en) * | 2009-02-09 | 2014-01-01 | 李道相 | Implant fixture having improved implant constitution |
| CN103919618B (en) * | 2014-04-17 | 2016-08-31 | 首都医科大学附属北京口腔医院 | A kind of mouth cavity planting body of band fin |
| CN204521006U (en) * | 2015-02-26 | 2015-08-05 | 重庆润泽医药有限公司 | A kind of integral type implant member |
| CN204765985U (en) * | 2015-05-14 | 2015-11-18 | 朱方兴 | Planting body |
| CA2988567C (en) * | 2015-06-08 | 2021-08-31 | Biomet 3I, Llc | Screwless dental implant connection |
| CN206603826U (en) * | 2016-08-09 | 2017-11-03 | 中国人民解放军第四军医大学 | A kind of winged dentistry implant for the differential arc oxidation coating for strengthening synosteosis for osteoporosis |
| CN107485459B (en) * | 2017-08-09 | 2020-09-08 | 山东中医药大学附属医院 | Oral implant with fins |
| CN207996246U (en) * | 2017-11-07 | 2018-10-23 | 云南省第三人民医院 | A kind of mouth cavity planting body |
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Inventor after: Ding Feng Inventor after: Zhang Sijia Inventor after: Song Yingliang Inventor after: Song Shuang Inventor after: Shi Shaojie Inventor after: Wang Xingxing Inventor after: Liu Xiangdong Inventor after: Wang Lei Inventor after: Duan Yansheng Inventor before: Ding Feng Inventor before: Zhang Sijia Inventor before: Liu Xiangdong Inventor before: Wang Lei Inventor before: Song Shuang Inventor before: Duan Yansheng Inventor before: Shi Shaojie Inventor before: Wang Xingxing |
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