CN210056286U

CN210056286U - Dental implant system

Info

Publication number: CN210056286U
Application number: CN201920549940.4U
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: 2020-02-14
Anticipated expiration: 2029-04-22

Abstract

The utility model discloses a dental implantation system, which comprises an implant body, a base station and a bolt, wherein the implant body is provided with a groove part, the base station is connected with the groove part, the bolt is connected with the implant body after passing through the base station, one side of the bolt in the groove part is movably provided with a slide block, the base station is provided with a rod body, the rod body comprises a first connecting rod movably inserted into the wall body of the implant body, a second connecting rod movably accommodated in the first connecting rod and an elastic piece elastically supporting the second connecting rod, the second connecting rod is in sliding fit with the slide block through an inclined plane, the implant body is provided with an output through hole communicated with the wall body, one side of the slide block far away from the second connecting rod is supported with the bolt, when the second connecting rod moves downwards, the second connecting rod pushes the slide block to enable the slide block to extrude the bolt, the utility model increases the pretightening force of the, reduce the clearance between base station and the planting body, guarantee the healthy environment in patient's oral cavity.

Description

Dental implant 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. Dental implant system generally comprises the planting body, the base station and the bolt of connecting fixed planting body and base station, realize fixedly and antitorque commentaries on classics through the bolt, the bolt is in the easy pine of long-time use and takes off, it is not high to connect the reliability, can produce the bits of broken glass in the installation, the bits of broken glass is along with the washing liquid among the operation process erodees and removes to between base station and the planting body, there is the clearance between base station and the planting body, in patient's oral cavity environment, easily arouse bacterial growing, thereby bring out inflammation, a series of problems such as halitosis, lead to planting the failure, need carry out the secondary operation.

Disclosure of Invention

The utility model aims at solving the defects of poor bolt fixing effect, difficult discharge of broken powder and the like in the installation process in the prior art and providing a tooth implantation system.

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

a dental implant system comprises an implant body, a base station and a bolt, wherein the implant body is provided with a groove part, the base station is connected with the groove part, the bolt passes through the base station and then is connected with the implant, a slide block is movably arranged at one side of the bolt in the groove part, a rod body is arranged on the base station, the rod body comprises a first connecting rod movably inserted into the wall body of the implant, a second connecting rod movably contained in the first connecting rod, and an elastic piece elastically abutting against the second connecting rod, the second connecting rod is in sliding fit with the sliding block through an inclined plane, the implant is provided with an output through hole communicated with the wall body, one side of the sliding block far away from the second connecting rod is abutted against the bolt, when the second connecting rod moves downwards, the second connecting rod pushes the sliding block so that the sliding block extrudes the bolt.

Preferably, a first through hole for the rod body to move is formed in the top end of the groove portion along the axial direction of the groove portion, the first through hole is communicated with the output through hole, and a second through hole communicated with the first through hole is formed in the bottom end of the groove portion along the radial direction of the bottom end of the groove portion.

Preferably, a plate body is arranged inside one end of the first connecting rod, and one end of the plate body is elastically abutted against the elastic piece.

Preferably, the first connecting rod and the second connecting rod are both of a hollow structure, a water outlet hole is formed in the side wall of the top end of the first connecting rod, a first water drainage hole is vertically formed in the plate body in a penetrating mode, a second water drainage hole is formed in the top end of the second connecting rod, and a water inlet hole is formed in the side wall of the bottom end of the second connecting rod.

Preferably, the first connecting rod, the plate body and the second connecting rod are all made of titanium.

Preferably, the implant is in an inverted conical column shape, a smooth part is arranged on the outer wall of the top end of the implant, an arc part is arranged at the bottom end of the implant, and an external thread part is arranged between the smooth part and the arc part.

Preferably, the maximum outer diameter of the male screw portion is smaller than or equal to the maximum outer diameter of the smooth portion.

Preferably, the outer wall of the implant is provided with three cutting edges.

Preferably, the top of base station has set gradually bulge and body from last to down, the bulge sets up along the radial outside protrusion of body.

The utility model has the advantages that:

in the process of laminating and fixing the base station and the implant, the rod body at the bottom end of the base station moves downwards in the first through hole, the second inclined plane at the bottom end of the rod body is matched with the first inclined plane on one side of the slider, the slider is pushed to move towards the central axis direction of the implant, the first anti-slip part is abutted against the second anti-slip part, the pre-tightening force of the bolt in the horizontal direction is increased, and the stability of fixing the base station and the implant is improved; meanwhile, the first through hole and the second through hole can convey and contain the powder generated in the installation process, the installation process is simplified, the installation efficiency is improved, the gap between the abutment and the implant is reduced, and the healthy environment of the oral cavity of the patient is guaranteed.

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 partial enlarged view of a dental implant system according to the present invention at a point a in fig. 2;

fig. 4 is a partial cross-sectional view of a stem of a dental implant system according to the present invention.

In the figure: 1 base platform, 11 countersunk holes, 111 stepped parts, 12 bodies, 13 convex parts, 14 matching parts, 15 rod bodies, 151 first connecting rods, 1511 connecting holes, 1512 water outlet holes, 152 plate bodies, 1521 first water discharging holes, 153 second connecting rods, 1531 second inclined planes, 1532 water inlet holes, 1533 second water discharging holes, 154 elastic parts, 2 planting bodies, 20 cutting edges, 21 groove parts, 211 first connecting parts, 212 second connecting parts, 213 third connecting parts, 22 first through holes, 23 second through holes, 24 sliding blocks, 241 first inclined planes, 242 first anti-sliding parts, 25 first threaded connecting parts, 26 external threaded parts, 27 circular arc parts, 28 smooth parts, 29 output through holes, 3 bolts, 31 second threaded connecting parts and 32 second anti-sliding 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 to 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 through a middle portion of the base 1, and the base 1 is fixed to the implant 2 by the bolt 3.

The implant 2 is in the shape of an inverted cone, an arc portion 27 is arranged at the bottom end of the implant 2, an external thread portion 26 for screwing and fixing the implant 2 to an alveolar bone is arranged at the outer side of the implant 2, a smooth portion 28 is arranged on the outer wall of the top end of the implant 2, cutting edges 20 are arranged on the outer walls of the middle portion and the bottom portion of the implant 2, the number of the cutting edges 20 is three, a groove portion 21 is arranged in the middle portion of the top end of the implant 2, the groove portion 21 comprises a first connecting portion 211, a second connecting portion 212 and a third connecting portion 213 which are sequentially arranged from top to bottom, the first connecting portion 211, the second connecting portion 212 and the third connecting portion 213 are all in a hole structure, the first connecting portion 211 is a cone-shaped hole with a morse taper, the taper is 8 degrees, the cross section of the second connecting portion 212 is an inner octagon, the cross section of the third connecting portion 213 is a circle, a first through hole 22 is formed, the number of the first through holes 22 is 2-8, and the first through holes are uniformly arranged along the central axis of the implant 2, the wall body corresponding to the first connecting portion 211 on the implant 2 is provided with an output through hole 29 which is communicated with the first through hole 211 and the outside of the implant 2 in an inclined manner, the inner wall of the third connecting portion 213 is provided with a first threaded connecting portion 25, the third connecting portion 213 is positioned above the first threaded connecting portion 25 and is provided with a second through hole 23 communicated with the first through hole 22 along the radial direction of the implant 2, the inside of the second through hole 23 is provided with a sliding block 24 slidably along the axial direction of the implant 2, the surface of the sliding block 24 is smooth, one side of the sliding block 24 is provided with a first inclined surface 241, and one side of the sliding block 24, which is opposite to the first inclined surface.

Base station 1 is from last to having set gradually the body 12 that is used for transmitting masticatory force and along the radial outside protrusion 13 of body 12 setting on the outer wall of body 12 to and with the cooperation portion 14 of concave part 21 adaptation, the outer wall of cooperation portion 14 just to first through-hole 22 department vertical be provided with first through-hole 22 complex body of rod 15, body of rod 15 can insert and establish in first through-hole 22. The rod body 15 includes a first connecting rod 151, a plate body 152, a second connecting rod 153 and an elastic member 154, the first connecting rod 151 and the second connecting rod 153 are both hollow structures, the plate body 152 is installed inside the first connecting rod 151 along the radial direction of the first connecting rod 151, the upper end of the second connecting rod 153 is telescopically accommodated inside the first connecting rod 151 along the axial direction of the first connecting rod 151, the elastic member 154 elastically abuts between the plate body 152 and the second connecting rod 153, specifically, a connecting hole 1511 is formed in the lower end of the first connecting rod 151, the upper end of the second connecting rod 153 penetrates through the connecting hole 1511 and then extends into the inside of the first connecting rod 151, the upper end of the elastic member 154 is connected with the plate body 152 and elastically abuts, the lower end of the elastic member 154 is connected with the top of the second connecting rod 153 and elastically abuts, and therefore, when the second connecting rod 153 moves upwards, the elastic member 154 is compressed. A water outlet 1512 is disposed on a side wall of an upper portion of the first connecting rod 151, a first water outlet 1521 penetrating through upper and lower end surfaces of the plate body 152 is disposed on the plate body 152, a second water outlet 1533 is disposed at a top end of the second connecting rod 153, a second inclined surface 1531 is disposed at a bottom end of the second connecting rod 153, and the second inclined surface 1531 is matched with the first inclined surface 241 and can be slidably connected thereto. The second link 153 can push the slider 24 to move in a direction close to the central axis of the implant 2 in the radial direction of the implant 2 when moving downward. In addition, a water inlet hole 1532 is formed in a lower side wall of the second link 153. In this embodiment, the elastic member 154 is a stainless steel elastic sheet, and it is understood that in other embodiments not shown, the elastic member 154 may also be a titanium elastic sheet, a spring, or other rigid and elastic elements, or the elastic member 154 may be silicon rubber or rubber, which is not limited herein.

It is understood that the plate body 152 may be omitted, and the upper end of the elastic member 154 is connected to the inner wall of the first link 151, which can also achieve the above-mentioned effects.

The middle part of the base platform 1 is vertically provided with a countersunk hole 11 in a penetrating manner, and a bottom wall of the countersunk hole 11 forms a step part 111.

The middle part of bolt 3 is provided with second antiskid portion 32, and second antiskid portion 32 is located one side of first antiskid portion 242, and the bottom of bolt 3 is provided with second threaded connection portion 31, and second threaded connection portion 31 and first threaded connection portion 25 are with threaded connection, and bolt 3 inserts and establishes in counter bore 11 in base station 1 middle part, and the head bottom of bolt 3 supports with step portion 111 on the counter bore 11 and holds to the precession stroke of bolt 3 plays limiting displacement.

In this embodiment, medical personnel fix implant 2 in patient's alveolar bone at first, and is concrete, utilize cutting edge 20 and external screw thread portion 26 with implant 2 screw in alveolar bone, cutting edge 20 can adjust the planting angle when planting the operation, realizes best restoration direction, increases the self tapping nature of product simultaneously, reduces implant 2 and bone at the stress of contact area, increases the bone contact area after the bone combines, improves implant 2's long-term stability, saves the operation time. When the root of the implant 2 approaches or passes through the cortical bone, the nasal floor or the maxillary sinus floor, the arc 27 can reduce the damage to the surrounding tissues, and minimize the stress concentration at the apical part and the damage to the bone tissue when implanted. The smooth portion 28 is capable of guiding the shaping of the soft tissue, helping to heal the soft tissue around the implant 2, and protecting the soft tissue around the implant 2 during the healing period.

After the implant 2 is firmly fixed with the alveolar bone, the abutment 1 is fixed with the implant 2 by the bolt 3, specifically, the abutment 1 is inserted into the groove portion 21 at the top end of the implant 2, the second connecting portion 212 can realize accurate positioning and improve the stability and reliability of connection, and the whole close contact on the surface of the first connecting portion 211 enables the stress of the abutment 1 to be transmitted and dispersed to a large area of bone tissues around the implant 2. When the bolt 3 is inserted into the countersunk hole 11 and the first thread portion 25 and the second thread portion 31 are screwed in, the head of the bolt 3 abuts against the step portion 111, so that the abutment 1 and the implant 2 are fixed. In the process of fixedly mounting the base platform 1 and the implant 2, the connecting rod is aligned to the first through hole 22 and inserted into the first through hole 22, in the process that the base platform 1 gradually approaches to the implant 2, the first connecting rod 151 moves downwards and extrudes the elastic part 154, the elastic part 154 generates elastic deformation and pushes the second connecting rod 153 to move downwards, the second inclined plane 1531 at the bottom end of the second connecting rod 153 is matched with the first inclined plane 241 on one side of the sliding block 24, so that the sliding block 24 moves towards the central axis direction of the implant 2, the first anti-slip part 242 on one side of the sliding block 24 abuts against the second anti-slip part 32 of the bolt 3, the pre-tightening force in the horizontal direction of the bolt 3 can be increased, and the stability of the bolt 3 for fixing the base platform 1 and the implant 2 is improved.

In the in-process that inserts planting body 2 at base station 1, in garrulous end and the moisture that the installation produced can be impressed the clearance between base station 1 and the planting body 2, make base station 1 and planting body 2's installation be obstructed on the one hand, on the other hand garrulous end can make and have the clearance between base station 1 and the planting body 2, causes bacterial growing, influences patient's oral hygiene, the utility model discloses the in-process that planting body 2 was impressed to base station 1 can arrange garrulous end and the washing liquid that produces in the installation to the top of concave part 21 through second through-hole 23, first through-hole 22 and output through-hole 29, perhaps impresses in first through-hole 22, second through-hole 23 and the output through-hole 29, and then reduces the resistance in base station 1 and the planting body 2 installation, and makes base station 1 and planting body 2 laminate inseparabler. In order to increase the effect of discharging the dust and the moisture, the bottom end of the second link 153 is provided with an inlet hole 1532 communicated with the inside of the second link 153, the top end of the first link 151 is provided with a outlet hole 1512 communicated with the inside of the first link 151, the dust and the moisture entering the second through hole 23 enter the inside of the second link 153 through the inlet hole 1532, then enter the inside of the first link 151 through the second drain hole 1533 and the first drain hole 1521 in sequence, and are discharged through the outlet hole 1512 at the top end of the first link 151, and finally are discharged through the output through hole 29.

In the process that the base station 1 and the implant 2 are gradually attached and fixed, the rod body 15 moves downwards in the first through hole 22, the second inclined plane 1531 at the bottom end of the rod body 15 is matched with the first inclined plane 241 on one side of the slider 24, and the slider 24 is pushed to move towards the central axis direction of the implant 2, so that the first anti-slip part 242 and the second anti-slip part 32 are abutted, the horizontal pre-tightening force of the bolt 3 is increased, and the fixing stability of the base station 1 and the implant 2 is improved; meanwhile, the first through hole 22, the second through hole 23 and the output through hole 29 can convey and contain the powder generated in the installation process, the installation process is simplified, the installation efficiency is improved, the gap between the abutment 1 and the implant 2 is reduced, and the health environment of the oral cavity of the patient is ensured.

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 dental implant system includes an implant (2), a base (1) and a bolt (3), characterized in that: the implant (2) is provided with a groove part (21), the base station (1) is connected with the groove part (21), the bolt (3) penetrates through the base station (1) and then is connected with the implant (2), one side of the groove part (21) which is positioned at the bolt (3) is movably provided with a slide block (24), the base station (1) is provided with a rod body (15), the rod body (15) comprises a first connecting rod (151) which is movably inserted into the wall body of the implant (2), a second connecting rod (153) which is movably accommodated in the first connecting rod (151) and an elastic piece (154) which elastically supports the second connecting rod (153), the second connecting rod (153) is in sliding fit with the slide block (24) through an inclined plane, the implant (2) is provided with an output through hole (29) which is communicated with the wall body, one side of the slide block (24) far away from the second connecting rod (153) is abutted against the bolt (3), when the second connecting rod (153) moves downwards, the second connecting rod (153) pushes against the sliding block (24) so that the sliding block (24) presses the bolt (3).

2. A dental implant system according to claim 1, wherein the top end of said recessed portion (21) is provided with a first through hole (22) along its axial direction for movement of said rod (15), said first through hole (22) communicating with said output through hole (29), and the bottom end of said recessed portion (21) is provided with a second through hole (23) along its radial direction communicating with said first through hole (22).

3. A dental implant system according to claim 1, wherein a plate (152) is provided inside one end of the first link (151), and one end of the plate (152) elastically abuts against the elastic member (154).

4. A dental implant system as claimed in claim 3, wherein the first connecting rod (151) and the second connecting rod (153) are both hollow, the top side wall of the first connecting rod (151) is provided with a water outlet hole (1512), the plate body (152) is vertically provided with a first water drain hole (1521) in a penetrating manner, the top end of the second connecting rod (153) is provided with a second water drain hole (1533), and the bottom side wall of the second connecting rod (153) is provided with a water inlet hole (1532).

5. A dental implant system according to claim 4, wherein the first link (151), the plate (152) and the second link (153) are made of titanium.

6. A dental implant system according to claim 1, wherein the implant (2) is in the shape of an inverted cone, the top outer wall of the implant (2) is provided with a smooth portion (28), the bottom end of the implant (2) is provided with an arc portion (27), and an external thread portion (26) is provided between the smooth portion (28) and the arc portion (27).

7. A dental implant system according to claim 6, wherein the maximum outer diameter of the externally threaded portion (26) is less than or equal to the maximum outer diameter of the smooth portion (28).

8. A dental implant system according to claim 1, wherein the outer wall of the implant (2) is provided with cutting edges (20), the number of cutting edges (20) being three.

9. A dental implant system according to claim 1, wherein the abutment (1) has a top end provided with a projection (13) and a body (12) in sequence from top to bottom, the projection (13) projecting outwardly in a radial direction of the body (12).