CN218684775U

CN218684775U - A locking subassembly that moves for planting implant base station

Info

Publication number: CN218684775U
Application number: CN202222779948.4U
Authority: CN
Inventors: 张�杰
Original assignee: Xuzhou Jintaike Biotechnology Co ltd
Current assignee: Xuzhou Jintaike Biotechnology Co ltd
Priority date: 2022-10-21
Filing date: 2022-10-21
Publication date: 2023-03-24
Anticipated expiration: 2032-10-21

Abstract

The utility model discloses a locking subassembly for planting tooth base station, including foundation pile and planting tooth root, it is provided with the slot along its axial lead direction to plant tooth root, the foundation pile is provided with the inserted block of pegging graft cooperation with the slot, be provided with between inserted block and the slot and be used for being fixed in the spacing subassembly in the slot with the inserted block, spacing subassembly includes with inserted block swing joint's stopper, the lateral wall of slot is provided with the spacing groove of spacing cooperation with the stopper; the limiting block is provided with two working positions, and in the first working position, the limiting block is limited in the limiting groove; and under the second working position, the limiting block is separated from the limiting groove. The anti-loosening component for the implant abutment is reasonable in structure, improves the stability of connection between the implant root and the foundation pile, reduces the probability of relative movement between the foundation pile and the implant root, and improves the reliability of the implant structure.

Description

A locking subassembly that moves for planting implant base station

Technical Field

The utility model belongs to the technical field of medical instrument and specifically relates to a locking subassembly that moves for planting implant base station is related to.

Background

In the prior art, as CN201719396U, an oral dental implant apparatus includes a dental implant, and an abutment and a fastening bolt which are matched with the dental implant, the dental implant is composed of a cylindrical upper portion provided with multi-head micro threads, a micro-taper conical middle portion provided with an equal-depth main thread and a cutting groove set, and a spherical lower portion, a three-stage cavity is provided in the dental implant, an upper-stage conical hole, a middle-stage cylindrical hole, and a lower-stage screw hole are provided below an end face, a cylinder and a cone which are matched with the cylindrical hole and the conical hole of the dental implant are provided on a stem of the abutment, a convex key and a key groove which are matched with each other are respectively provided on the cylinder and the cylinder, and the fastening bolt is tightly matched and screwed with the lower-stage screw hole in the dental implant, so that the abutment and the dental implant are fixedly connected into a whole.

Through fastening bolt threaded connection, screw thread formula connection structure between the implant root in the above-mentioned oral cavity implant root device and the base station, because exert repeatedly in the oral cavity and last the load chewing the food process, cause the slight vibration of screw, the amplitude increases gradually, arouses the rotation easily, leads to the screw not hard up for produce the clearance between implant root and the base station, lead to the base station to rock, influence the patient and normally chew.

Therefore, there is a need for an improved abutment for dental implants.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the defect that exists among the prior art, provide an anti-loosening assembly for planting implant base station, improve the stability of being connected between planting tooth root and the foundation pile, reduce the probability that the foundation pile takes place relative activity with planting tooth root, improve the reliability of planting the implant structure.

In order to realize the technical effects, the utility model adopts the technical scheme that: a locking assembly for an implant abutment comprises an insertion block arranged on a foundation pile and an insertion groove arranged in an implant root, wherein the depth direction of the insertion groove is parallel to the axial lead direction of the implant root, and the insertion block is in insertion connection with the insertion groove; a limiting block and a limiting groove which are matched with each other in an inserted manner are arranged between the inserting block and the inserting groove; the inserting block is provided with a sliding groove, the depth direction of the sliding groove is perpendicular to the axial lead direction of the foundation pile, and the limiting block is connected with the sliding groove in a sliding mode; the limiting block is pushed into a pushing-in part in the limiting groove and a pulling-out part used for pulling out the limiting block outside the limiting groove. Through the design, a threaded connection structure is avoided, and the connection stability between the foundation pile and the implant root can be improved.

The preferable technical scheme is that the pushing-in part comprises a bolt, a through hole for the bolt to pass through is arranged in the foundation pile in a penetrating mode along the axial lead direction of the foundation pile, a threaded hole in threaded connection with the bolt is formed in the bottom of the slot, and the upper surface of the inserting block is abutted to the cap of the bolt; and the end part of the limiting block is provided with a convex block which is abutted against the side wall of the bolt. Through such design, along with during the bolt inserts the through-hole, the bolt supports out stopper looks both sides to the stopper is spacing in the spacing inslot.

The preferable technical scheme is that the end faces of the convex blocks adjacent to the bolts are arranged in an arc surface. Through such design, the bolt of being convenient for pushes down and supports the stopper to both sides and go out.

The preferable technical scheme is that the end part of the bolt is arranged in a circular arc surface. Through the design, the limiting blocks are pushed out to two sides when the bolt is pressed down more conveniently.

The preferable technical scheme is that the pulling-out piece comprises an elastic piece arranged between the limiting block and the groove bottom of the sliding groove. Through such design, when the bolt thoroughly took out or the tip of bolt was located the stopper top, the bolt breaks away from with the stopper mutually, and the stopper just can withdraw under the effect of elastic component.

The preferred technical scheme is that the elastic part comprises a tension spring, and two ends of the tension spring are fixedly connected with the limiting block and the groove bottom of the sliding groove respectively. Such a design is a further limitation of the above-described scheme.

The preferable technical scheme is that the sliding groove, the limiting block, the limiting groove and the tension spring are provided with a plurality of groups along the axial lead direction of the foundation pile. Through the design, the stability of the connection between the implant tooth root and the foundation pile is improved.

The utility model has the advantages and the beneficial effects that: the anti-loosening component for the dental implant base station has reasonable structure, realizes the insertion and fixation of the foundation pile and the dental implant root by arranging the limit block and the limit groove which are in limit fit with each other and adjusting the position of the limit block; compared with the prior art, the method avoids a threaded connection structure and improves the connection stability between the foundation pile and the implant tooth root.

Drawings

Fig. 1 is a schematic structural view of an anti-loosening component 1 of an implant abutment according to the present invention;

fig. 2 is an exploded view of an embodiment 1 of the anti-loosening component for the dental implant abutment of the present invention;

fig. 3 is a cross-sectional view of an anti-loosening assembly embodiment 1 for a dental implant abutment according to the present invention;

fig. 4 is a schematic structural view of the foundation pile of embodiment 1 of the anti-loosening assembly for a dental implant abutment of the present invention in a second working position;

figure 5 is a cross-sectional view of figure 4 of embodiment 1 of the anti-loosening assembly for a dental implant abutment according to the present invention;

fig. 6 is a schematic structural view of the foundation pile of embodiment 1 of the anti-loosening assembly for a dental implant abutment according to the present invention in a first working position;

figure 7 is a cross-sectional view of figure 6 of embodiment 1 of a loosening prevention assembly for an abutment for a dental implant according to the present invention;

fig. 8 is a cross-sectional view of an anti-loosening assembly embodiment 2 for a dental implant abutment according to the present invention;

figure 9 is an exploded view of figure 8 of embodiment 2 of a loosening prevention assembly for a dental implant abutment according to the present invention;

in the figure: 1. foundation piles; 11. inserting a block; 12. a chute; 13. a through hole; 2. planting a tooth root; 21. a slot; 22. a limiting groove; 23. a threaded hole; 3. a limiting block; 31. a bump; 4. a bolt; 5. a tension spring.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only used to illustrate the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", "vertical", "top", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Example 1

As shown in fig. 1 to 7, the anti-loosening component for a dental implant abutment of embodiment 1 includes a foundation pile 1 and a dental implant root 2, the dental implant root 2 is provided with a slot 21 along an axial line direction thereof, the foundation pile 1 is provided with an insertion block 11 in insertion fit with the slot 21, a limiting component for fixing the insertion block 11 in the slot 21 is provided between the insertion block 11 and the slot 21, the limiting component includes a limiting block 3 movably connected with the insertion block 11, and a limiting groove 22 in limiting fit with the limiting block 3 is provided on a side wall of the slot 21; the limiting block 3 is provided with two working positions, and in the first working position, the limiting block 3 is limited in the limiting groove 22; in the second working position, the limiting block 3 is separated from the limiting groove 22.

The inserting block 11 is provided with a sliding groove 12, and the groove depth direction of the sliding groove 12 is perpendicular to the axial lead direction of the foundation pile 1; the limiting block 3 is connected with the sliding groove 12 in a sliding mode.

A first switching component for switching the limiting block 3 from the second working position to the first working position is arranged between the limiting block 3 and the inserting block 11.

The switching assembly comprises a bolt 4, a through hole 13 for the bolt 4 to pass through is arranged in the foundation pile 1 in a penetrating mode along the axial lead direction of the foundation pile, a threaded hole 23 in threaded connection with the bolt 4 is arranged at the bottom of the slot 21, and the upper surface of the insertion block 11 is abutted to the cap of the bolt 4; the end of the limiting block 3 is provided with a convex block 31 which is abutted against the side wall of the bolt 4.

The end faces of the convex blocks 31 adjacent to the bolts 4 are arranged in an arc surface.

The end part of the bolt 4 is arranged in a circular arc surface.

A second switching component for switching the limiting block 3 from the first working position to the second working position is arranged between the limiting block 3 and the inserting block 11.

The second switching component comprises an elastic piece arranged between the limiting block 3 and the bottom of the sliding groove 12.

The elastic part comprises a tension spring 5, and two ends of the tension spring 5 are fixedly connected with the limiting block 3 and the groove bottom of the sliding groove 12 respectively.

The use of example 1 was:

initial state of foundation pile 1: the limiting block 3 is pulled into the sliding groove 12 by the tension spring 5, and the outer surface of the limiting block 3 and the outer surface of the inserting block 11 are located on the same vertical plane;

and (3) mounting the foundation pile 1 and the implant root 2: the inserting block 11 is inserted into the slot 21, the bolt 4 is placed in the through hole 13, after the lower end part of the bolt 4 is abutted to the projection 31, the bolt 4 is continuously pressed downwards, the projection 31 slides towards two sides, the tension spring 5 is in a stretching state at the moment, the limiting block 3 is pushed out to slide towards two sides and is limited in the limiting groove 22, and after the end part of the bolt 4 is adjacent to the threaded hole 23, the bolt 4 can be screwed down;

even if the patient shakes during chewing, the bolt 4 loosens, as long as the bolt 4 is not completely separated from the threaded hole 23 or the lower end part of the bolt 4 is separated to the upper part of the lug 31, the limiting block 3 is always positioned in the limiting groove 22, and the foundation pile 1 is always fixedly connected with the implant root 2.

And (3) disassembling the foundation pile 1 and the implant root 2: and loosening the bolt 4, taking out the bolt 4, withdrawing the limiting block 3 into the sliding groove 12 under the action of the tension spring 5 and separating the limiting block from the limiting groove 22, and pulling down the foundation pile 1.

Example 2

As shown in fig. 8-9, example 2 is based on example 1, with the difference that: the sliding groove 12, the limiting block 3, the limiting groove 22 and the tension spring 5 are provided with a plurality of groups along the axial lead direction of the foundation pile 1.

Example 2 differs from example 1 in the use of: more limiting blocks 3 are in limiting fit with the limiting grooves 22, so that the connection stability and firmness between the foundation pile 1 and the implant tooth root 2 can be improved, and the reliability of the implant tooth structure is improved.

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

Claims

1. The anti-loosening assembly for the dental implant abutment is characterized by comprising an insertion block (11) arranged on a foundation pile (1) and an insertion groove (21) arranged in an implant root (2), wherein the depth direction of the insertion groove (21) is parallel to the axial lead direction of the implant root (2), and the insertion block (11) is in insertion connection with the insertion groove (21); a limit block (3) and a limit groove (22) which are matched with each other in an inserted manner are arranged between the insertion block (11) and the insertion groove (21); the inserting block (11) is provided with a sliding groove (12), the groove depth direction of the sliding groove (12) is perpendicular to the axial lead direction of the foundation pile (1), and the limiting block (3) is connected with the sliding groove (12) in a sliding mode; the limiting block (3) is pushed into the limiting groove (22), and the pushing piece is used for pushing the limiting block (3) into the limiting groove (22), and the pulling piece is used for pulling the limiting block (3) out of the limiting groove (22).

2. The anti-loosening assembly for the dental implant abutment as claimed in claim 1, wherein the pushing member comprises a bolt (4), the foundation pile (1) is provided with a through hole (13) for the bolt (4) to pass through along the axial lead direction of the foundation pile, the bottom of the slot (21) is provided with a threaded hole (23) in threaded connection with the bolt (4), and the upper surface of the insert block (11) is abutted against the cap part of the bolt (4); the end part of the limiting block (3) is provided with a convex block (31) which is abutted against the side wall of the bolt (4).

3. A loosening-prevention assembly for a dental implant abutment according to claim 2, characterised in that the end surface of the projection (31) adjacent to the bolt (4) is in the shape of a circular arc.

4. An anti-loosening assembly for a dental implant abutment according to claim 3, characterised in that the end of the bolt (4) is provided with a circular arc surface.

5. The anti-loosening assembly for a dental implant abutment according to claim 1, wherein the pull-out member comprises an elastic member disposed between the stopper (3) and the bottom of the groove (12).

6. The anti-loosening assembly for the dental implant abutment as claimed in claim 5, wherein the elastic member comprises a tension spring (5), and two ends of the tension spring (5) are fixedly connected with the limiting block (3) and the groove bottom of the sliding groove (12) respectively.

7. The anti-loosening assembly for a dental implant abutment as claimed in claim 6, wherein the sliding groove (12), the limiting block (3), the limiting groove (22) and the tension spring (5) are provided with a plurality of groups along the axial line direction of the foundation pile (1).