CN218943552U

CN218943552U - Implant abutment with taper

Info

Publication number: CN218943552U
Application number: CN202223607695.9U
Authority: CN
Inventors: 寇海良; 金胭羽; 郑小姣; 彭钦蓉
Original assignee: Weihai Duopule Medical Instrument Co ltd
Current assignee: Weihai Duopule Medical Instrument Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-05-02
Anticipated expiration: 2032-12-30

Abstract

The application provides an implant dental abutment with taper, which comprises a clamping connector, a frustum and an abutment crown, wherein the frustum consists of a plurality of annular blocks, the annular blocks are sequentially and gradually increased in radius from left to right to form the frustum, the clamping connector is fixedly connected with the left end of the frustum, the abutment crown is fixedly connected with the right end of the frustum, the clamping connector is provided with a square hole which is communicated with the square hole in a front-back manner, the right end of the frustum is provided with a through hole II which is communicated with the square hole, the through hole II is rotationally connected with a rotating shaft, and the left end of the rotating shaft is fixedly connected with a gear; the square hole is connected with a moving block in a sliding manner, tooth grooves are formed in one ends, close to the gears, of the two moving blocks, and the tooth grooves are meshed with the gears. The utility model provides a pair of implant abutment with tapering can avoid using the screw structure to connect the back, leads to the screw adhesion for a long time, and the difficult problem of dismantling the abutment takes place, is favorable to dismantling the abutment fast safely in later stage.

Description

Implant abutment with taper

Technical Field

The application belongs to the field of oral implant, and more specifically relates to an implant abutment with taper.

Background

The dental implant refers to a dental defect restoration method for supporting and retaining an upper dental restoration on the basis of a lower structure implanted in bone tissue; the implant is made of artificial materials, is implanted into tissues (generally upper and lower jaws) by an operation method, and obtains firm retention support of bone tissues, and the upper dental prosthesis is connected through a special device and a special mode; the implant can obtain the repairing effect very similar to the functions, structures and attractive effects of the natural teeth, and has become the preferred repairing mode for more and more dental deficiency patients.

The existing implant abutment is generally connected with an implant by adopting a threaded structure, after a long time, threads are meshed with each other tightly and are adhered to cause the abutment to be unable to be screwed out, and the gum of a person can be damaged by forcibly using external force, so that a new implant abutment is needed to solve the problem of difficult disassembly.

Disclosure of Invention

In order to achieve the above purpose, the technical scheme adopted in the application is as follows: the utility model provides an implant dental abutment with tapering, including joint, frustum and abutment crown, the frustum comprises a plurality of annular blocks, and annular blocks progressively increase in radial from left to right forms the frustum, and joint and frustum left end fixed connection, abutment crown square and frustum right-hand member fixed connection, the joint has seted up square hole that link up from front to back, and the frustum right-hand member has seted up through-hole II, and through-hole II extends to joint and communicates with square hole; bearings are fixedly connected to the left end and the right end in the second through hole, the two bearings are connected with a rotating shaft in a rotating mode, and one end, away from the base crown, of the rotating shaft extends into the square hole and is fixedly connected with a gear; the upper end and the lower end of the left side and the right side of the square hole are respectively provided with a sliding groove, the sliding grooves are in sliding connection with sliding blocks, moving blocks are fixedly connected between the two sliding blocks above and the two sliding blocks below, tooth grooves are respectively formed in the two moving blocks, which are close to one end of a gear, and the tooth grooves are meshed with the gear.

Optionally, the bottom of the lower moving block is in sliding connection with the bottom of the square hole and the tooth slot direction is forward, and the top of the upper moving block is in sliding connection with the top of the square hole and the tooth slot direction is backward.

Optionally, the sliding block is in a long strip shape, and the sliding groove can slide along the sliding groove.

Optionally, the right end of the rotating shaft extends out of the frustum and is provided with a cross groove.

Optionally, the circumference of each ring block is fixedly connected with a fixed block, and the positions of the fixed blocks connected with two adjacent ring blocks are corresponding.

Optionally, the base crown is hexahedron, and the left and right ends are provided with a through hole I, and the part of the rotating shaft extending to the outside of the frustum is positioned in the through hole I.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the rotating shaft is rotated to drive the gears to rotate, so that the two moving blocks which are respectively meshed with the upper end and the lower end of the gears simultaneously move towards two opposite directions, after the clamping joint is clamped into the implant, the two moving blocks simultaneously move outwards and are clamped into holes in the implant to be matched with the holes, under the double clamping of the moving blocks and the clamping joint, the stable connection of the implant dental abutment and the implant is realized, the problem that the threaded connection is caused for a long time after the threaded connection is used, and the abutment is difficult to detach is solved, so that the dental crown and the abutment are replaced in the later period.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required for the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a right side view of the present utility model;

FIG. 3 is a partial cross-sectional view of the structure of the present utility model;

fig. 4 is an enlarged schematic view of portion a of fig. 3 in accordance with the present utility model.

The symbol marks in the figures illustrate:

1. a clamping joint; 2. a frustum; 201. a ring block; 202. a fixed block; 3. a base crown side; 301. a first through hole; 4. square holes; 5. a second through hole; 6. a rotating shaft; 7. a bearing; 8. a gear; 9. a chute; 10. a slide block; 11. a moving block; 12. tooth slots.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved by the present application more clear, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.

A tapered implant abutment provided in accordance with an embodiment of the present application will now be described. Referring to fig. 1-4, the utility model provides a tapered implant abutment, which comprises a clamping head 1, a frustum 2 and an abutment crown 3, wherein the frustum 2 is composed of a plurality of annular blocks 201, the annular blocks 201 are sequentially increased in radius from left to right to form the frustum 2, the clamping head 1 is fixedly connected with the left end of the frustum 2, the abutment crown 3 is fixedly connected with the right end of the frustum 2, the clamping head 1 is provided with a square hole 4 which is communicated with the front and back, the right end of the frustum 2 is provided with a through hole II 5, and the through hole II 5 extends to the clamping head 1 and is communicated with the square hole 4; the left end and the right end in the through hole II 5 are fixedly connected with bearings 7, the two bearings 7 are connected with a rotating shaft 6 in a common rotating mode, and one end, far away from the base crown side 3, of the rotating shaft 6 extends into the square hole 4 and is fixedly connected with a gear 8.

The upper end and the lower end of the left side and the right side of the square hole 4 are respectively provided with a chute 9, the chute 9 is in sliding connection with a slide block 10, a movable block 11 is fixedly connected between the two slide blocks 10 at the upper part and the two slide blocks 10 at the lower part, one end of the two movable blocks 11, which is close to the gear 8, is respectively provided with a tooth slot 12, and the tooth slot 12 is meshed with the gear 8.

In the embodiment, the clamping connector 1 and the frustum 2 can be inserted into the implant and realize seamless connection, the abutment crown side 3 is used for connecting the dental crowns, the clamping connector 1 is in a cuboid shape and cuts each ridge, so that the bonding degree of the clamping connector 1 and the implant is increased, meanwhile, the frustum 2 formed by a plurality of annular blocks 201 with sequentially increased radius can also increase the bonding degree with the implant, so that the clamping connector 1 is more tightly connected with the frustum 2 and the implant, and stress is effectively dispersed; after the clamping connector 1 and the frustum 2 are inserted into the implant, the rotating shaft 6 drives the gear 8 to rotate, and two moving blocks 11 which are respectively meshed with the upper end and the lower end of the gear 8 at the same time move towards two directions under the rotation of the gear 8, so that the two moving blocks 11 are respectively inserted into holes formed in corresponding positions of the implant to form fixation, the rotating shaft 6 is fixed by using an adhesive, and the rotating shaft 6 is prevented from rotating due to vibration of the dental crown when the dental crown is used, so that the abutment is separated from the implant, and the dental crown is prevented from falling; under the action of the moving block 11, the abutment cannot fall off, and under the combined action of the clamping connector 1 and the frustum 2, the abutment cannot deviate, so that the dental crown is stably connected to the implant, and the dental implantation is completed.

The bottom of the lower moving block 11 is in sliding connection with the bottom of the square hole 4, the tooth groove 12 is forward, and the top of the upper moving block 11 is in sliding connection with the top of the square hole 4, and the tooth groove 12 is backward. When the rotating shaft 6 is rotated anticlockwise, the gear 8 rotates anticlockwise, so that the lower moving block 11 penetrates out from the rear end of the clamping connector 1 and is inserted into a hole corresponding to the implant, and the upper moving block 11 penetrates out from the front end of the clamping connector 1 and is inserted into a hole corresponding to the implant, so that fixation is formed, and the abutment cannot fall off from the implant.

The sliding block 10 is long, and the sliding groove 9 can slide along the sliding block 10. The sliding block 10 is designed to be long, so that the moving block 11 is supported by more, and stably slides in the square hole 4, meanwhile, the sliding block cannot fall off from the square hole 4 by utilizing the mutual matching of the sliding block 10 and the sliding groove 9, the length of the tooth groove 12 is mutually adapted to the moving distance of the moving block 11, and the phenomenon of clamping the gear 8 cannot occur.

The right end of the rotating shaft 6 extends out of the frustum 2 and is provided with a cross groove. The right end of the rotating shaft 6 is provided with a cross groove, the rotating shaft 6 is rotated by using a specific tool, and in the embodiment, the cross groove can be replaced by other notches and is only required to be matched with the specific tool for practical use.

The circumference of each ring block 201 is fixedly connected with a fixed block 202, and the positions of the fixed blocks 202 connected with two adjacent ring blocks 201 correspond. By arranging the plurality of fixing blocks 202, the frustum 2 is clamped with the implant more tightly, and the condition that the abutment cannot deviate after being inserted into the implant is further ensured, so that stable connection of the abutment is realized.

The base crown 3 is hexahedral, and the left and right ends are provided with a through hole one 301, and the part of the rotating shaft 6 extending to the outside of the frustum 2 is positioned in the through hole one 301. The hexahedral abutment cap 3 can increase the adhesive force and the gripping force of the adhesive and the abutment surface, so that the connection of the dental crown and the abutment is more firm; the first through hole 301 formed in the abutment crown 3 can facilitate the tool to rotate the rotating shaft 6, ensure that the rotating shaft 6 is not interfered by foreign objects, and further ensure the connection stability of the abutment and the implant.

The working principle of the utility model is as follows:

when the utility model is used, firstly, the implant is implanted into a tissue through operation, after the wound heals, the abutment is inserted, so that the clamping connector 1 and the frustum 2 are inserted into the implant, the clamping connector 1 is in a cuboid shape and each ridge is cut, the bonding degree of the clamping connector 1 and the implant can be increased, and meanwhile, the frustum 2 formed by a plurality of annular blocks 201 with sequentially increased radius can also increase the bonding degree with the implant, so that the clamping connector 1 is more tightly connected with the frustum 2 and the implant, and the stress is effectively dispersed;

the rotating shaft 6 rotates anticlockwise to drive the gear 8 to rotate, two moving blocks 11 which are respectively meshed with the upper end and the lower end of the gear 8 at the same time move towards two directions under the rotation of the gear 8, the moving block 11 below passes through the rear end of the clamping head 1 and is inserted into a hole corresponding to an implant, the moving block 11 above passes through the front end of the clamping head 1 and is inserted into the hole corresponding to the implant to form fixation, the rotating shaft 6 is fixed by using an adhesive, the dental crown is prevented from being separated from the implant due to vibration during use, the abutment is prevented from falling under the action of the moving block 11, the abutment is prevented from shifting under the combined action of the clamping head 1 and the frustum 2, and therefore the dental crown is stably connected to the implant, and dental implantation is completed;

the long-strip-shaped sliding block 10 can enable the moving block 11 to be supported more, so that the moving block can stably slide in the square hole 4, meanwhile, the moving block cannot fall off from the square hole 4 by means of mutual matching of the sliding block 10 and the sliding groove 9, the length of the tooth groove 12 is mutually adapted to the moving distance of the moving block 11, and the phenomenon of clamping of the gear 8 cannot occur; the hexahedral abutment cap 3 can increase the adhesive force and the gripping force of the adhesive and the abutment surface, so that the connection of the dental crown and the abutment is more firm; the first through hole 301 formed in the base crown part 3 can facilitate the tool to rotate the rotating shaft 6, ensure that the rotating shaft 6 is not interfered by foreign objects, and further ensure the connection stability of the base and the implant; this implant abutment with tapering can avoid using the screw structure to connect the back, leads to the screw adhesion for a long time, and difficult dismantlement abutment's problem takes place, is favorable to dismantling the abutment fast and safely in later stage.

In the description of the present utility model, it should be understood that the directions or positional relationships such as the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The foregoing description of the preferred embodiments of the present application is not intended to be limiting, but is intended to cover any and all modifications, equivalents, and alternatives falling within the spirit and principles of the present application.

Claims

1. The utility model provides an implant dental abutment with tapering, includes joint (1), frustum (2) and abutment crown side (3), frustum (2) are constituteed by a plurality of ring pieces (201), ring piece (201) from left to right radius increases gradually and forms frustum (2), joint (1) and frustum (2) left end fixed connection, abutment crown side (3) and frustum (2) right-hand member fixed connection, its characterized in that: the clamping connector (1) is provided with a square hole (4) which is communicated with the front part and the rear part, the right end of the frustum (2) is provided with a through hole II (5), and the through hole II (5) extends to the clamping connector (1) and is communicated with the square hole (4); bearings (7) are fixedly connected to the left end and the right end in the through hole II (5), the two bearings (7) are connected with a rotating shaft (6) in a co-rotation mode, and one end, away from the base crown side (3), of the rotating shaft (6) extends into the square hole (4) and is fixedly connected with a gear (8); the sliding grooves (9) are formed in the upper end and the lower end of the left side and the right side of the square hole (4), sliding blocks (10) are connected in the sliding grooves (9), moving blocks (11) are fixedly connected between the sliding blocks (10) and the sliding blocks (10) below, tooth grooves (12) are formed in one ends, close to the gears (8), of the moving blocks (11), and the tooth grooves (12) are meshed with the gears (8).

2. A tapered implant abutment according to claim 1, wherein: the bottom of the moving block (11) is in sliding connection with the bottom of the square hole (4) and the tooth groove (12) is forward, and the top of the moving block (11) is in sliding connection with the top of the square hole (4) and the tooth groove (12) is backward.

3. A tapered implant abutment according to claim 1, wherein: the sliding block (10) is long, and the sliding groove (9) can slide along the sliding block (10).

4. A tapered implant abutment according to claim 1, wherein: the right end of the rotating shaft (6) extends out of the frustum (2) and is provided with a cross groove.

5. A tapered implant abutment according to claim 1, wherein: the circumference of each ring block (201) is fixedly connected with a fixed block (202), and the positions of the fixed blocks (202) connected with two adjacent ring blocks (201) are corresponding.

6. A tapered implant abutment according to claim 1, wherein: the base crown side (3) is hexahedron, through holes (301) are formed in the left end and the right end, and the part of the rotating shaft (6) extending to the outside of the frustum (2) is located in the through holes (301).