CN210077904U

CN210077904U - Tooth implantation system

Info

Publication number: CN210077904U
Application number: CN201920549286.7U
Authority: CN
Inventors: 钱晓锦; 朱俊; 尹克云; 张峻豪
Original assignee: JIANGSU TRAUSIM MEDICAL INSTRUMENT CO Ltd
Current assignee: JIANGSU TRAUSIM MEDICAL INSTRUMENT CO Ltd
Priority date: 2019-04-22
Filing date: 2019-04-22
Publication date: 2020-02-18
Anticipated expiration: 2029-04-22

Abstract

The utility model discloses a tooth planting system, including the planting body, base station and bolt, set up accepting groove and storage tank on the planting body, the through-hole has been seted up along the axial of planting body in the wall body of planting body, the through-hole intercommunication sets up between accepting groove and storage tank, be provided with first slider along the radial movably of planting body in the accepting groove, the storage tank is movably provided with the moving part along the axial of planting body, telescopically be provided with the elastic component between moving part and the storage tank, install the connecting piece in the through-hole, the lower extreme of connecting piece is connected with the moving part, the upper end of connecting piece is connected with the second slider with first slider inclined plane complex, the base station is installed on the planting body, the bolt passes after the base station and is connected with the planting body, the utility model discloses in the process of bolt precession, can increase the pretightning force of bolt horizontal direction, prevent the bolt rotation, effectively, the planting effect is improved.

Description

Tooth implantation system

Technical Field

The utility model relates to a kind of implant technical field, in particular to design a kind of implant system.

Background

The dental implant is implanted into the upper and lower jawbone of edentulous part of human body through surgical operation, and after the operation wound is healed, the artificial tooth repairing device is mounted on the upper part of the dental implant. The dental implant system generally comprises an implant, an abutment and a bolt for connecting and fixing the implant and the abutment, and the fixation and the torsion resistance are realized through the bolt. Because long-time use can make the bolt that head and base station support to hold produce slight rotation, the final bolt is rotatory to be made implant and base station take place not hard up, influences the planting effect, need carry out the secondary operation when serious.

Disclosure of Invention

The utility model aims at solving the problem that the bolt rotation in the prior art causes the implant and the base station to become flexible, which influences the defect of the planting effect and provides a tooth planting system.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a planting tooth system, includes planting body, base station and bolt, accepting groove and storage tank have been seted up on the planting body, the through-hole has been seted up along the axial of planting body in the wall body of planting body, the through-hole intercommunication sets up between accepting groove and the storage tank, follow in the accepting groove the radial movably of planting body is provided with first slider, the storage tank is followed the axial movably of planting body is provided with the moving part, the moving part with telescopically is provided with the elastic component between the storage tank, install the connecting piece in the through-hole, the lower extreme of connecting piece with the moving part is connected, the upper end of connecting piece be connected with first slider inclined plane complex second slider, the base station is installed on the planting body, the bolt passes behind the base station with the planting body is connected.

Preferably, the bottom end of the implant is provided with a communication hole along the axial direction of the implant, and the bottom end of the movable member is provided with a guide portion matched with the communication hole.

Preferably, the communicating hole is in a shape of a right cone column, and a boss is arranged on the inner wall of the communicating hole.

Preferably, the movable member is provided with a connecting hole in a penetrating manner, and the connecting hole is located right above the communicating hole.

Preferably, the guide part is in a hollow inverted conical column shape.

Preferably, the inner wall of the communicating hole is subjected to anodic oxidation treatment or sand blasting acid etching activation treatment and is compounded with a honeycomb porous structure titanium dioxide coating.

Preferably, the top end of the first sliding block close to one side of the bolt is provided with an arc part.

Preferably, the outer wall of the top end of the implant body is provided with a double-micro thread part.

The utility model has the advantages that:

the utility model discloses the in-process of bolt precession downwards, the bolt bottom promotes the moving part and moves down, the moving part passes through the connecting piece and drives second slider downstream, utilize the second inclined plane of second slider one side and the first inclined plane of first slider one side to support and hold, make first slider remove to the axis direction of planting the body, finally make the first non-slip portion of first slider one side support with the second non-slip portion at bolt middle part and hold, increase the pretightning force on the bolt horizontal direction, prevent that the bolt is rotatory, effectively increase the stability that planting body and base station are fixed, improve planting effect.

Drawings

Fig. 1 is a front view of a dental implant system according to the present invention;

fig. 2 is a cross-sectional view of a dental implant system according to the present invention;

fig. 3 is a partially enlarged view of a portion a of fig. 2 of a dental implant system according to the present invention;

fig. 4 is a partially enlarged view of B of fig. 2 of a dental implant system according to the present invention.

In the figure: 1, 11 countersunk holes, 111 stepped parts, 2 implants, 21 accommodating grooves, 22 first thread parts, 23 through holes, 24 grooves, 25 accommodating grooves, 26 communicating holes, 261 bosses, 27 external thread parts, 28 cutting edges, 29 double micro thread parts, 3 bolts, 31 second anti-skidding parts, 32 second thread parts, 4 second sliding blocks, 41 second inclined planes, 5 first sliding blocks, 51 first inclined planes, 52 first anti-skidding parts, 53 circular arc parts, 6 connecting parts, 7 elastic parts, 8 movable parts, 81 connecting holes and 811 guide parts.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a dental implant system includes an implant 2, a base 1 and a bolt 3, the implant 2 is fixed in an alveolar bone of a patient, the base 1 is inserted into a top end of the implant 2, the bolt 3 is provided in a middle portion of the base 1, and the base 1 is fixed to the implant 2 by the bolt 3.

The whole implant 2 is in an inverted conical column shape, an external thread part 27 and a cutting edge 28 for screwing the base station 1 into an alveolar bone are arranged outside the base station 1, a double-micro thread part 29 is arranged at the top end of the implant 2, a groove 24 is arranged in the middle of the top end of the implant 2, the upper section of the groove 24 is a conical groove, the taper of the conical groove is 8 degrees, the lower section of the groove 24 is a circular groove, a first threaded portion 22 is arranged on the inner wall of the circular groove, an accommodating groove 25 communicated with the groove 24 is formed in the implant 2 and located below the groove 24, a movable member 8 is movably arranged in the accommodating groove 25 along the axial direction of the implant 2, the movable member 8 is matched with the accommodating groove 25, an elastic member 7 is telescopically arranged between the lower end face of the movable member 8 and the bottom wall of the accommodating groove 25, specifically, the upper end of the elastic member 7 is connected with the second slider 4 and elastically supported, and the lower end of the elastic member 7 is connected with the wall of the accommodating groove 25 and elastically supported. In the present embodiment, the elastic member 7 is a silicon rubber, and it should be understood that in other embodiments not shown, the elastic member may also be an element having elasticity and rigidity, such as a stainless iron elastic sheet or a copper elastic sheet, and is not limited herein.

The movable piece 8 is provided with a connecting hole 81 penetrating through the upper end surface and the lower end surface of the movable piece 8 along the axial direction of the movable piece 8, the bottom end of the movable piece 8 extends downwards along the axial direction of the movable piece 8 to form a guide portion 811, the guide portion 811 is positioned right above the communicating hole 26, the guide portion 811 is in a hollow inverted cone shape, the inner cavity of the guide portion 811 is communicated with the groove 24, the guide portion 811 is conveniently guided into the communicating hole 26, and further the movable piece 8 is prevented from radial deviation in the moving process.

The implant 2 is provided with a containing groove 21 above the circular groove, and the containing groove 21 is located between the conical groove and the circular groove of the groove 24 and communicated with both the conical groove and the circular groove. Along planting body 2's radial movably in the storage tank 21 and being provided with first slider 5, first slider 5 surface is smooth, first slider 5 can be in storage tank 21 along planting body's radial slip, first slider 5 surface is smooth, first slider 5 can be in storage tank 21 along planting body 2's radial slip, one side of first slider 5 is provided with first inclined plane 51, one side of the relative first inclined plane 51 of first slider 5 is provided with first antiskid portion 52, first slider 5 is located the top of second antiskid portion 52 with one side and is provided with circular arc portion 53.

Through-hole 23 has been seted up along the axial of planting body 2 in the wall body of planting body 2, the upper end and the storage tank 21 intercommunication of through-hole 23, the lower extreme and the accepting groove 25 intercommunication of through-hole 23, movably in the through-hole 23 is provided with connecting piece 6, the lower extreme and the moving part 8 of connecting piece 6 are connected, the upper end of connecting piece 6 is connected with second slider 4, one side of second slider 4 is provided with first inclined plane 51 complex second inclined plane 41, second inclined plane 41 supports each other with first inclined plane 51 and holds, make from this when second slider 4 can promote the axis direction removal of first slider 5 to planting body 2 when the downstream under the drive of connecting piece 6.

The implant 2 is provided with a communication hole 26 corresponding to the guide portion 811 along the axial direction of the implant 2 below the housing groove 25, so that the communication hole 26 is positioned directly below the guide portion 811, the guide portion 811 can be inserted into the communication hole 26, and the lower end of the through hole 26 penetrates the bottom of the implant 2. The inner wall of the through hole 26 is provided with a boss 261 along the radial direction of the through hole 26, the inner wall of the through hole 26 is subjected to anodic oxidation treatment or sand blasting acid etching activation treatment, and is compounded with a honeycomb porous structure titanium dioxide coating. Surface oxidation treatment: in fact, any titanium material forms an oxide layer on the surface after contacting with air; sand blasting and acid etching (SLA), spraying large-particle corundum sand with the particle size of 250-500 mu m on the surface of the implant, and then carrying out acid etching by adopting a mixed acid of concentrated hydrochloric acid and sulfuric acid to generate pits with the particle size of 20-40 mu m and secondary pits with the particle size of 2-4 mu m on the surface of the implant. Sand blasting acid etching activation treatment (SLActive), which is surface treatment in nitrogen atmosphere on the basis of SLA, and is stored in 0.9% NaCl solution for transportation. This kind of processing method makes the implant surface have better hydrophilicity and high surface energy, the utility model discloses a bone attached surface area of honeycomb porous structure titanium dioxide coating in the intercommunicating pore 26 is bigger, and bone adhesive force is stronger, has improved stability.

The middle part of the top end of the base platform 1 is provided with a countersunk hole 11, the countersunk hole 11 is provided with a step part 111, the bottom end of the base platform 1 is matched with the tapered groove on the groove 24, and the bottom of the base platform 1 is inserted into the tapered groove of the implant 2.

The lower end of the bolt 3 is connected with the implant 2 after passing through the base platform 1, specifically, the bottom end of the bolt 3 is provided with a second thread part 32, the second thread part 32 is in thread fit connection with the first thread part 22, the middle part of the bolt 3 is provided with a second anti-slip part 31, and the second anti-slip part 31 is positioned on one side of the first anti-slip part 52. Further, the bottom end of the head of the bolt 3 abuts against the step portion 111.

In the present embodiment, the medical staff first implants the implant 2 into the alveolar bone of the patient, and then screws the implant into the alveolar bone by the screw portion and the cutting edge 28. Implant 2 is whole to be the awl cylindricality, its form is similar to natural tooth root form, use on narrower alveolar ridge, can be better gain initial stability, the atress is more even, two little screw thread portion 29 can make implant 2 and bone tissue contact surface area increase, be favorable to improving implant 2 and bone bonding strength, two little screw thread portion 29 is except that cutting and the self-tapping of screw thread when increasing the implantation, two little screw thread portion 29 mechanical self-locking can increase its planting initial stability, increase implant 2 and bone tissue simultaneously in stress concentration region promptly cortex bone edge contact area, implant 2 neck bone tissue is remain to the furthest, it loses to reduce bone tissue unnecessary, strengthen the early maintenance of cortex bone, improve the success rate and the long-term effect of planting the artificial tooth. The bottom of implant 2 is provided with the intercommunicating pore 26 that extends to in the recess 24 from the outside, and the inner wall of intercommunicating pore 26 is provided with boss 261, and intercommunicating pore 26 can guide new bone to grow into after implant 2 is tentatively fixed to inlay through intercommunicating pore 26 and implant 2, new bone is attached to in intercommunicating pore 26, and boss 261 can increase the area of contact of new bone and intercommunicating pore 26, and then improves the stability that implant 2 is fixed. In-process with the implant 2 precession alveolar bone can produce more installation piece, increases the resistance of implant 2 precession, the utility model discloses can loop through intercommunicating pore 26 and connecting hole 81 with the installation piece and get into in the recess 24, wash away the installation piece through the washing water of operation in-process and take over out.

After the implant 2 is firmly fixed with the alveolar bone of the patient, the abutment 1 is fixed with the implant 2 by the bolt 3. Specifically, insert base station 1 in recess 24 and make base station 1 and planting body 2 laminate from the upper portion of planting body 2, insert bolt 3 in the counter bore 11 at base station 1 middle part, the circular arc portion 53 of first slider 5 one side is convenient for bolt 3 leading-in, prevent that first slider 5 from blockking stretching into of bolt 3, rotate bolt 3, utilize the second screw thread portion 32 of bolt 3 bottom and the first screw thread portion 22 threaded connection of planting body 2, the head and the step portion 111 of bolt 3 support, and then make base station 1 and planting body 2 compress tightly fixedly. In the process, the bolt 3 is continuously screwed downwards, the bottom of the bolt 3 is abutted against the upper part of the movable piece 8, the movable piece 8 is continuously moved downwards, meanwhile, the elastic element 7 is elastically deformed, and the second sliding block 4 is driven to move downwards by the connecting element 6 fixed with the moving element 8 in the process of moving downwards, since the second inclined surface 41 on the second slider 4 side abuts against the first inclined surface 51 on the first slider 5 side, so that the second slide block 4 pushes the first slide block 5 to move towards the central axis direction of the implant 2, the first anti-skid part 52 on one side of the first slide block 5 gradually approaches the second anti-skid part 31 in the middle of the bolt 3, when the bolt 3 moves downward, the pressure between the first anti-slip portion 52 and the second anti-slip portion 31 is gradually increased through the transmission, so as to increase the pre-tightening force of the bolt 3 in the horizontal direction and prevent the bolt 3 from rotating. In the process of the downward movement of the movable member 8, the guide portion 811 is convenient for guiding into the communication hole 26, so as to reduce or avoid the inclination of the movable member 8, and further ensure the fitting of the first inclined surface 51 and the second inclined surface.

The utility model provides a tooth planting system, through bolt 3 with the fixed in-process of base station 1 and planting body 2, bolt 3 precession downwards, promote moving part 8 downstream, moving part 8 further drives second slider 4 downstream through connecting piece 6, utilize the second inclined plane 41 of second slider 4 one side and the first inclined plane 51 of first slider 5 one side to support and hold, make first slider 5 remove to the axis direction of planting body 2, finally make the first antiskid portion 52 of first slider 5 one side and the second antiskid portion 31 at bolt 3 middle part support and hold, increase the pretightning force on the 3 horizontal direction of bolt, prevent that bolt 3 is not hard up, effectively increase the stability that planting body 2 and base station 1 are fixed, improve planting effect.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A tooth implantation system is characterized by comprising an implant (2), a base station (1) and a bolt, wherein an accommodating groove (25) and an accommodating groove (21) are formed in the implant (2), a through hole (23) is formed in the wall body of the implant (2) along the axial direction of the implant (2), the through hole (23) is communicated with and arranged between the accommodating groove (25) and the accommodating groove (21), a first sliding block (5) is movably arranged in the accommodating groove (25) along the radial direction of the implant (2), a moving part (8) is movably arranged in the accommodating groove (21) along the axial direction of the implant (2), an elastic part (7) is telescopically arranged between the moving part (8) and the accommodating groove (21), a connecting part (6) is installed in the through hole (23), the lower end of the connecting part (6) is connected with the moving part (8), the upper end of connecting piece (6) be connected with first slider (5) inclined plane complex second slider (4), install on planting body (2) base station (1), the bolt passes behind base station (1) with planting body (2) are connected.

2. A dental implant system according to claim 1, characterized in that the bottom end of the implant (2) is provided with a communication hole (26) along the axial direction thereof, and the bottom end of the movable member (8) is provided with a guide portion (811) which engages with the communication hole (26).

3. A dental implant system according to claim 2, wherein the communication hole (26) is in the shape of a forward tapered column, and the inner wall of the communication hole (26) is provided with a boss (261).

4. A dental implant system according to claim 2, wherein said movable member (8) is provided with a connecting hole (81) therethrough, said connecting hole (81) being located directly above said communicating hole (26).

5. A dental implant system according to claim 4, wherein the guide portion (811) is in the form of a hollow inverted conical cylinder.

6. A dental implant system according to claim 2, wherein the inner walls of the communication holes (26) are anodized or sand blasted acid-etched activated and combined with a titanium dioxide coating having a honeycomb porous structure.

7. A dental implant system according to claim 1, wherein the first slider (5) is provided with a circular arc portion (53) at the top end thereof adjacent to the bolt side.

8. A dental implant system according to claim 1, wherein the top outer wall of the implant (2) is provided with a double micro-threaded portion (29).