阅读说明：本技术 一种自涨式锁紧接口种植体套件 (Self-expanding type locking interface implant set ) 是由 张�杰 许钦 徐涛 于 2020-12-29 设计创作，主要内容包括：本发明提供了一种自涨式锁紧接口种植体套件,包括种植体和基台,种植体一端设有内凹槽体,基台一端形成有外凸管体,外凸管体为弹性件,其内形成有孔体；还包括嵌体,嵌体用于与孔体嵌套式配合,在配合过程中使外凸管体弹性变形后,使外凸管体与内凹槽体嵌套式配合形成弹性连接结构。嵌体外侧形成有外圆锥面,孔体内侧形成对应的内圆锥面；当内圆锥面沿轴向以其大径端向外圆锥面小径端上套置的过程中,外凸管体的尺寸沿径向逐渐扩张,套置到位后,使外凸管体与内凹槽体互补连接。本发明利用嵌体与外凸管体的弹性嵌套配合,使外凸管体与内凹槽体形成互补地凹凸结合式的弹性连接结构,可有效防止基台脱出,结构可靠性强,稳定性好。(The invention provides a self-expanding type locking interface implant kit, which comprises an implant body and a base platform, wherein one end of the implant body is provided with an inner concave groove body, one end of the base platform is provided with an outer convex pipe body, the outer convex pipe body is an elastic part, and a hole body is formed in the outer convex pipe body; the outer convex pipe body and the inner concave groove body are matched in a nested mode to form an elastic connecting structure. The outer side of the inlay is provided with an outer conical surface, and the inner side of the hole body is provided with a corresponding inner conical surface; when the inner conical surface is sleeved with the small-diameter end of the outer conical surface from the large-diameter end of the inner conical surface along the axial direction, the size of the outer convex pipe body gradually expands along the radial direction, and the outer convex pipe body and the inner concave groove body are complementarily connected after the outer convex pipe body is sleeved in place. The invention utilizes the elastic nesting match of the inlay and the outer convex tube body to enable the outer convex tube body and the inner groove body to form a complementary concave-convex combined elastic connecting structure, can effectively prevent the abutment from falling off, and has strong structural reliability and good stability.)

1. A self-expanding type locking interface implant kit comprises an implant (5) and a base platform (1), and is characterized in that an inner groove body (4) is arranged at one end of the implant (5), an outer convex pipe body (2) is formed at one end of the base platform (1), the outer convex pipe body (2) is an elastic part, and a hole body (22) is formed in the outer convex pipe body; still include inlay (3), inlay (3) be used for with the cooperation of the nested formula of hole body (22) makes in the cooperation process after evagination body (2) elastic deformation, make evagination body (2) with the cooperation of the nested formula of indent cell body (4) forms elastic connection structure.

2. The self-expanding locking interface implant set according to claim 1, wherein the inlay (3) is formed with an outer conical surface (31) on the outside and a corresponding inner conical surface (23) on the inside of the bore (22);

when the inner conical surface (23) is sleeved on the small-diameter end of the outer conical surface (31) along the axial direction by the large-diameter end, the size of the outer convex tube body (2) is gradually expanded along the radial direction, and after the outer convex tube body (2) is sleeved in place, the outer convex tube body is complementarily connected with the inner concave groove body (4).

3. The self-expanding locking interface implant set according to claim 1 or 2, wherein the outer side of the outer barrel (2) is formed with a first relief (21) and the inner side of the inner groove body (4) is formed with a second relief (41) which is friction fit with the first relief (21).

4. The self-expanding locking interface implant set according to claim 3, wherein said first relief (21) is of a convex structure, evenly spaced circumferentially on the outer lateral surface of said outer tubular body (2); the second concave-convex parts (41) are of concave structures and are uniformly distributed on the inner side surface of the inner groove body (4) at intervals along the circumference.

5. The self-expanding locking interface implant set according to claim 4, wherein said protruding structure is in the form of a strip extending along a generatrix of the outer lateral surface of said outer tubular body (2); the concave structure is strip-shaped and extends along a bus on the inner side surface of the inner concave groove body (4).

6. The self-expanding locking interface implant set according to claim 2, wherein when the inner conical surface (23) is axially sleeved with its large diameter end on the small diameter end of the outer conical surface (31), the outer tubular body (2) gradually expands in size in radial direction, and after the sleeve is in place, the end surface of the large diameter end of the inlay (3) is attached to the groove bottom surface of the inner groove body (4).

7. The self-expanding locking interface implant set according to claim 1, wherein the outer lateral surface of the outer tubular body (2) is of a cylindrical configuration.

8. The self-expanding locking interface implant set according to claim 1, wherein the inner groove body (4) is a tapered groove with a smaller diameter end near the notch and a larger diameter end near the bottom of the groove.

9. The self-expanding locking interface implant set according to claim 1, wherein said implant (5) has an external thread formed on its outer circumference.

Technical Field

The invention relates to the technical field of dental implants, in particular to a self-expanding type locking interface implant suite.

Background

The method of implanting a tooth in a dental operation is to implant a fixture (implant) into a jawbone and then add a prosthesis such as an artificial tooth to the fixture through a fixture abutment, thereby restoring a normal function of the tooth. In the prior art, as for a conventional implant structure, a fixing body and an abutment have a threaded connection structure, and the threaded connection structure causes fine vibration of a screw due to repeated application of continuous load in an oral cavity in a process of chewing food, the amplitude of the screw is gradually increased, the screw is easy to rotate, the screw is loosened, a gap is generated between the implant and the abutment, namely an artificial tooth, shakes, and the problem that the peripheral occlusion pressure of the artificial tooth is too large is caused.

And above-mentioned traditional planting body connection structure needs planting body internal drilling post-processing screw, because the screw hole is little and deep lead to the processing difficulty time consuming inefficiency.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a self-expanding type locking interface implant kit, which adopts a concave-convex complementary elastic connection structure, is not easy to loosen after long-term use and improves the quality and reliability of a dental implant structure.

The technical scheme adopted by the invention is as follows:

a self-expanding type locking interface implant kit comprises an implant body and a base platform, wherein an inner concave groove body is arranged at one end of the implant body, an outer convex pipe body is formed at one end of the base platform, the outer convex pipe body is an elastic part, and a hole body is formed in the outer convex pipe body; still include the inlay, the inlay be used for with the cooperation of hole body nested formula makes in the cooperation process after evagination body elastic deformation, make evagination body with the cooperation of indent cell body nested formula forms elastic connection structure.

An outer conical surface is formed on the outer side of the inlay body, and a corresponding inner conical surface is formed on the inner side of the hole body; when the inner conical surface is sleeved on the small-diameter end of the outer conical surface along the axial direction by the large-diameter end, the size of the outer convex pipe body gradually expands along the radial direction, and after the outer convex pipe body is sleeved in place, the outer convex pipe body is complementarily connected with the inner concave groove body.

The outer side surface of the outer convex pipe body is provided with a first concave-convex part, and the inner side surface of the inner groove body is provided with a second concave-convex part which is in friction fit with the first concave-convex part.

The first concave-convex parts are of convex structures and are uniformly distributed on the outer side surface of the outer convex pipe body at intervals along the circumference; the second concave-convex part is of a concave structure and is uniformly distributed on the inner side surface of the inner groove body at intervals along the circumference.

The convex structure is strip-shaped and extends along a generatrix of the outer side surface of the outer convex pipe body; the concave structure is strip-shaped and extends along a bus on the inner side surface of the inner groove body.

When the inner conical surface is sleeved on the small-diameter end of the outer conical surface along the axial direction by the large-diameter end, the size of the outer convex pipe body gradually expands along the radial direction, and after the outer convex pipe body is sleeved in place, the end face of the large-diameter end of the inlay body is attached to the bottom surface of the inner concave groove body.

The outer side surface of the outer convex pipe body is of a cylindrical structure.

The inner concave groove body is a conical groove, one end close to the notch is a small-diameter end, and the other end close to the groove bottom is a large-diameter end.

External threads are formed on the outer circumferential surface of the implant body.

The invention has the following beneficial effects:

the self-expanding self-locking implant has self-expanding and self-locking functions, the rapid integral connection of the implant and the base station is conveniently realized, the strength of the implant is enhanced, the breakage resistance risk is improved, and the success rate of the implantation is improved.

The invention utilizes the elastic nesting match of the inlay and the outer convex tube body to enable the outer convex tube body and the inner groove body to form a complementary concave-convex combined elastic connecting structure, can effectively prevent the abutment from falling off, and has strong structural reliability and good stability.

The invention has convenient processing and convenient and efficient use, and can realize locking and positioning after the three accessories are pressed.

The inner concave groove body is a conical groove with a small mouth and a big belly, and the outer convex pipe body can be further prevented from falling out of the inner concave groove body.

The first concave-convex part and the second concave-convex part are in complementary friction fit, so that the positioning is convenient, and the torsion is prevented. Meanwhile, the friction area between the outer convex pipe body and the inner concave groove body is increased, so that the static friction force is increased, later loosening is prevented, and the service life is greatly prolonged.

Drawings

Fig. 1 is an exploded view of the present invention.

Fig. 2 is a schematic structural diagram of the abutment of the present invention.

Fig. 3 is a schematic structural view of the implant of the present invention.

FIG. 4 is a schematic structural view of the inlay of the present invention.

Fig. 5 is a front sectional view of fig. 1.

Fig. 6 is a schematic structural view of the assembled state of the present invention.

Fig. 7 is a front view of fig. 6.

Fig. 8 is a sectional view taken along line a-a of fig. 7.

Fig. 9 is a sectional view taken along line B-B in fig. 7.

In the figure: 1. a base station; 2. a male pipe body; 21. a first concave-convex portion; 22. a porous body; 23. an inner conical surface; 3. an inlay; 31. an outer conical surface; 4. an inner concave groove body; 41. a second concave-convex portion; 5. an implant.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1-4, the self-expanding locking interface implant kit of the present embodiment includes an implant 5 and a base 1, wherein an inner concave groove 4 is formed at one end of the implant 5, an outer convex tube 2 is formed at one end of the base 1, the outer convex tube 2 is an elastic member, and a hole 22 is formed therein; still include inlay 3, inlay 3 is used for cooperating with the nested formula of hole body 22, makes the back of evagination body 2 elastic deformation in the cooperation process, makes evagination body 2 and the nested formula cooperation of indent cell body 4 form elastic connection structure.

As shown in fig. 4 and 5, the inlay 3 is formed with an outer conical surface 31 on the outside and a corresponding inner conical surface 23 on the inside of the hole body 22;

in one embodiment, the outer surface of the outer tubular body 2 is cylindrical.

In one embodiment, as shown in fig. 9, the inner groove body 4 is a tapered groove, and has a small diameter end near the notch and a large diameter end near the groove bottom.

As an embodiment, as shown in FIGS. 2, 3 and 8, the outer surface of the outer tubular body 2 is formed with a first concave-convex portion 21, and the inner surface of the inner groove body 4 is formed with a second concave-convex portion 41 complementarily fitting the first concave-convex portion 21.

In one embodiment, the first concave-convex portions 21 are in a convex structure and are uniformly distributed on the outer side surface of the outer tubular body 2 at intervals along the circumference; the second concave-convex portions 41 are in a concave structure and are uniformly distributed on the inner side surface of the inner groove body 4 at intervals along the circumference.

As an implementation form, the protruding structure is in a strip shape and extends along the generatrix of the outer side surface of the outer convex tube body 2; the concave structure is strip-shaped and extends along the generatrix of the inner side surface of the inner groove body 4.

Specifically, as shown in fig. 6 and 7, an external thread is formed on the outer circumferential surface of the implant 5.

The working principle and the process of the invention are as follows:

as shown in fig. 1, the bottom end of the implant 5 is fixed to the jaw bone to fuse with the jaw bone, the large diameter end of the inlay 3 faces upward, the small diameter end faces downward, the outer convex tube 2 at the bottom end of the base 1 faces downward, as shown by the arrow direction in fig. 5, the hole 22 is pressed downward against the small diameter end of the inlay 3, during the pressing process, the inner conical surface 23 and the outer conical surface 31 are axially fitted and sleeved, because the outer convex tube 2 is an elastic member, when the hole 22 moves downward, the radial size of the inlay 3 is increased, so that the size of the outer convex tube 2 is gradually expanded along the radial direction, the inner wall of the outer convex tube 2 and the outer wall of the inlay 3 form a tight static friction matching surface, and the outer wall of the outer convex tube 2 and the inner wall of the inner concave groove; after the sleeve is in place, as shown in fig. 9, the end face of the large diameter end (bottom end) of the inlay 3 is attached to the bottom surface of the inner groove body 4, and the outer tubular body 2 is complementarily connected to the inner groove body 4.

Therefore, the self-expanding type locking interface implant kit has the functions of self-expanding and self-locking, and the rapid integral connection of the implant and the base station is conveniently realized.

In order to prevent the outer tubular body 2 from coming off the inner groove body 4, the inner groove body 4 is designed into a tapered groove, and one end close to the notch is a small-diameter end, and the other end close to the groove bottom is a large-diameter end. The outer convex pipe body 2 is prevented from falling out of the inner concave groove body 4 due to the small mouth and the big belly.

For ease of positioning and prevention of twisting, the outer side surface of the outer tubular body 2 is formed with a first concave-convex portion 21, and the inner side surface of the inner groove body 4 is formed with a second concave-convex portion 41 which is a complementary friction fit with the first concave-convex portion 21.

In addition, the fitting structure of the first concave-convex 21 and the second concave-convex 41 further increases the friction area between the outer tubular body 2 and the inner groove body 4. Specifically, the first concave-convex part 21 and the second concave-convex part 41 can be respectively designed into a strip-shaped tooth and a tooth socket structure, as shown in fig. 8, redundant friction areas are formed between the side walls of the tooth and the corresponding side walls of the tooth socket, so that static friction force is increased, later loosening is prevented, and reliability of the kit structure is improved. The structure of the invention is suitable for gum-penetrating and bone plane implants. The base 1 is preferably made of titanium alloy and PEEK; the inlay 3 is preferably made of titanium alloy and PEEK; the implant 5 is preferably made of pure titanium or a titanium alloy.

The self-expanding locking interface implant kit of the embodiment enhances the strength of the implant, improves the risk of fracture resistance and improves the success rate of planting.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and improvements can be made without departing from the technical principle of the present invention, and these modifications and improvements should also be considered as the protection scope of the invention.