CN203647511U

CN203647511U - Tooth implanting member

Info

Publication number: CN203647511U
Application number: CN201320880509.0U
Authority: CN
Inventors: 叶雷
Original assignee: Chongqing Runze Pharmaceutical Co Ltd
Current assignee: Chongqing Runze Pharmaceutical Co Ltd
Priority date: 2013-12-30
Filing date: 2013-12-30
Publication date: 2014-06-18
Anticipated expiration: 2023-12-30

Abstract

The utility model relates to a tooth implanting member. The tooth implanting member consists of a tooth implant body (1), a retaining base (2) and a tensile spring (4), wherein the tooth implant body (1) is a porous tantalum part of which the porosity is 60-70 percent; a through hole (3) which is perforated longitudinally is formed inside the tooth implant body (1); a regular screw thread is formed on the internal surface of the tooth implant body (1) on the upper-middle part of the through hole (3); the tensile spring (4) is arranged inside the tooth implant body (3) on the lower part of the through hole (3); a threaded rod (5) is arranged on the lower part of the retaining base (2), is connected with one end of the tensile spring (4), and is matched with the regular screw thread formed on the internal surface of the tooth implant body (1); flow guide grooves (9) which are communicated with the through hole (3) are distributed horizontally in the bottom end face of the tooth implant body (1). By adopting the tooth implanting member, the tooth implant body can be tightly connected with a tooth socket in real time, and interference of alternating force can be well avoided. The tooth implanting member has the advantages of simple structure, high strength and high biocompatibility.

Description

One Dnetal implant component

Technical field

This utility model relates to Medical oral cavity manual tooth planting's medical apparatus and instruments, relates in particular to a Dnetal implant component.

Background technology

Oral cavity implanting tooth is to repair at present a mouthful best method for inner teeth gear disappearance.Dental implant surgical of the prior art, normally plants tooth body by one and directly imbeds in advance dental bed, after above planting tooth body, install a retained abutment separation and that expose to dental bed surface, a corona is finally installed in this retained abutment again again, to realize the implantation of artificial tooth.

But, plant tooth body and in use can be subject to for a long time the effect of alternating force, particularly work as Dental Implant when mounted, if move past manyly to words lateral deviation, easily occur in a short time looseningly, and to plant the design of tooth body structure unreasonable due to existing, cause this becoming flexible can not again tighten at present, can only again plant, thereby can increase the operations such as plantation again, cause significant wastage.And there is certain defect in the implant component of planting of the prior art on structure arranges, cause Dental Implant can not plant the most advanced and sophisticated sclerotin weakness that waits of tooth body after implantation, add again that other plant the material of tooth steadiness to increase as bone grafting material, biotic factor etc., and the materials such as the broken end of the flesh and blood that may exist in its structure are also difficult for discharging, poor fluidity between material.In addition, in existing design plant tooth body also exist mechanical property and biocompatibility poor, after long-time use, there will be repulsion with tissue, and affect the problems such as its service life.

Utility model content

The purpose of this utility model is to provide a Dnetal implant component, this is planted implant component and can closely be connected with alveolar bone planting tooth body in real time, can avoid preferably it to be subject to the interference of alternating force, and being convenient to material imports or discharges, have simple in structure, intensity is higher, has the characteristics such as good biocompatibility concurrently.

The purpose of this utility model is achieved in that

One Dnetal implant component, is characterized in that: it forms by planting tooth body, retained abutment and extension spring; The described tooth body of planting adopts porous tantalum product, and its porosity is 60% ~ 70%; This is planted tooth body inside and is provided with the through hole running through up and down; The inner surface of tooth body of planting of this through hole middle and upper part is provided with regular screw threads, and the tooth body inside of planting of this through hole bottom is provided with extension spring; Described retained abutment bottom is threaded rod, and this threaded rod is connected with one end of described extension spring, and coordinates with described regular screw threads of planting the inner surface setting of tooth body; Described bottom end face of planting tooth body also horizontal distribution has the guiding gutter being communicated with described through hole.

The porous tantalum product of above-mentioned porosity, can meet this and plant tooth body in the mechanical property requirements of planting in implant component, is closely connected reliably with alveolar bone to realize it.This porous tantalum product can adopt the preparations such as foam dipping method, die pressing.Through the discovery that studies for a long period of time: adopt the tooth physical ability of planting of porous tantalum product that bone is grown into and the structure of growing in forming, thereby organically combine as a whole with body bone tissue, in greatly having improved biocompatibility, also well meet its mechanical property, improve service life and implanted comfort level, having increased stability and anti-verticity after artificial prosthesis is implanted.

Further, the above-mentioned tooth body of planting is the cylinder being made up of cervical region, middle part and afterbody.

Further, above-mentionedly plant the cervical region of tooth body and the diameter at middle part is consistent, and the outer surface at middle part is that tooth form angle is the regular screw threads of 60 °; The diameter of its afterbody is narrow compared with cervical region or middle part.The tooth body of planting of this structure setting has been realized with alveolar bone and being firmly connected, and has the effects such as the sinking of further preventing.

The top of above-mentioned retained abutment is Rotary-table, and one-body molded with the threaded rod of above-mentioned retained abutment bottom.The Rotary-table on its top can be installed corona in order to Corresponding matching, and has realized the implantation of artificial tooth.

Above-mentioned guiding gutter can be set to multiple.Setting up guiding gutter can realize other materials of planting tooth steadiness to increase such as bone grafting material, biotic factor are introduced, are evenly distributed on sclerotin weakness such as planting tooth body bottom, and the stability that increase is connected with sclerotin, and can greatly improve the mobility of the materials such as the broken end of flesh and blood, make it and be set to porous tantalum product to plant tooth body better compatible.

The utlity model has following beneficial effect:

1, plant tooth body and adopt regular screw threads to be connected with retained abutment, easily produce self-locking, good stress performance;

2, adopt the bottom that extension spring one end is fixed on to alveolar bone to continue that retained abutment is applied to elastic force, be fixed in the through hole of planting tooth body inside, guaranteed retained abutment all the time with plant tooth body close contact, itself apply the effect of power simultaneously by retained abutment to planting tooth body, make to plant the bottom close contact all the time of tooth body and alveolar bone; In use, if because external force makes to plant tooth body or retained abutment is loosening, extension spring makes it again keep close contact by elastic force, and then has guaranteed fixed effect;

3, plant tooth body itself and adopt porous tantalum product, well meet its mechanical property, also greatly increase the biocompatibility that this plants implant component simultaneously, improved service life and implanted comfort level, increased stability and anti-verticity after this artificial prosthesis is implanted;

The guiding gutter of the horizontal distribution 4, being communicated with through hole by increase at the bottom end face of planting tooth body, realize sclerotin weakness such as planting tooth body bottom has been introduced, has been evenly distributed on to other materials of planting tooth steadiness to increase such as bone grafting material, biotic factor, and the stability that increase is connected with sclerotin, and can greatly improve the mobility of the materials such as the broken end of flesh and blood, make it and be set to porous tantalum product to plant tooth body better compatible.

Accompanying drawing explanation

Fig. 1 is the STRUCTURE DECOMPOSITION schematic diagram of planting implant component described in this utility model embodiment 1.

Fig. 2 is the structural representation of planting implant component integrated connection described in Fig. 1.

The specific embodiment

Be below this utility model preferred embodiment, and be not intended to limit protection domain of the present utility model.

Embodiment 1

As shown in Fig. 1～2: a Dnetal implant component, it forms by planting tooth body 1, retained abutment 2 and extension spring 4; It is planted tooth body 1 and adopts porous tantalum product, and its porosity is 60% ~ 70%; This is planted tooth body 1 inside and is provided with the through hole 3 running through up and down; The inner surface of tooth body 1 of planting of these through hole 3 middle and upper parts is provided with regular screw threads, and tooth body 1 inside of planting of these through hole 3 bottoms is provided with extension spring 4; Its retained abutment 2 bottoms are threaded rod 5, and this threaded rod 5 is connected with one end of extension spring 4, and coordinate with the regular screw threads of planting tooth body 1 inner surface setting; It plants the cylinder of tooth body 1 for being made up of cervical region 6, middle part 7 and afterbody 8; The cervical region 6 of planting tooth body 1 is consistent with the diameter at middle part 7, and the outer surface at middle part 7 is that tooth form angle is the regular screw threads of 60 °; The diameter of its afterbody 8 is narrow compared with cervical region 6 or middle part 7, and the bottom end face of planting tooth body 1 also horizontal distribution have a guiding gutter 9 being communicated with through hole 3; The top of retained abutment 2 is Rotary-table, and adopts medical titanium alloy through one-body molded with the threaded rod 5 of its underpart; The Rotary-table Corresponding matching on the top of retained abutment 2 is installed corona, and then has realized the implantation of artificial tooth.

In clinical practice, extension spring 4 one end are fixed on to the bottom of alveolar bone, the other end is fixed on the threaded rod 5 of retained abutment 2 bottoms to continue that retained abutment 2 is applied to elastic force, be fixed in the through hole 3 of planting tooth body 1 inside, guaranteed retained abutment 2 all the time with plant tooth body 1 close contact, itself apply the effect of power simultaneously by retained abutment 2 to planting tooth body 1, make to plant the bottom close contact all the time of tooth body 1 and alveolar bone; If, because external force makes to plant tooth body 1 or retained abutment 2 is loosening, extension spring 4 makes it again keep close contact by elastic force, and then has guaranteed fixed effect when use.At the bottom end face of planting tooth body 1 by increasing the guiding gutter 9 of a horizontal distribution being communicated with through hole 3, realize sclerotin weakness such as planting tooth body 1 bottom has been introduced, has been evenly distributed on to other materials of planting tooth steadiness to increase such as bone grafting material, biotic factor, and the stability that increase is connected with sclerotin, and can greatly improve the mobility of the materials such as the broken end of flesh and blood, make it and be set to porous tantalum product to plant tooth body 1 better compatible.

Claims

1. a Dnetal implant component, is characterized in that: it forms by planting tooth body (1), retained abutment (2) and extension spring (4); The described tooth body (1) of planting adopts porous tantalum product, and its porosity is 60% ~ 70%; This is planted tooth body (1) inside and is provided with the through hole (3) running through up and down; The inner surface of tooth body (1) of planting of this through hole (3) middle and upper part is provided with regular screw threads, and tooth body (1) inside of planting of this through hole (3) bottom is provided with extension spring (4); Described retained abutment (2) bottom is threaded rod (5), and this threaded rod (5) is connected with one end of described extension spring (4), and coordinates with described regular screw threads of planting tooth body (1) inner surface setting; Described bottom end face of planting tooth body (1) also horizontal distribution has the guiding gutter (9) being communicated with described through hole (3).

2. plant according to claim 1 implant component, it is characterized in that: described in plant tooth body (1) for the cylinder that formed by cervical region (6), middle part (7) and afterbody (8).

3. plant according to claim 2 implant component, it is characterized in that: described in to plant the cervical region (6) of tooth body (1) consistent with the diameter of middle part (7), and the outer surface of middle part (7) is that tooth form angle is the regular screw threads of 60 °; The diameter of its afterbody (8) is narrow compared with cervical region (6) or middle part (7).

4. described in arbitrary according to claim 1-3, plant implant component, it is characterized in that: the top of described retained abutment (2) is Rotary-table, and one-body molded with the threaded rod (5) of described retained abutment (2) bottom.

5. described in arbitrary according to claim 1-3, plant implant component, it is characterized in that: described guiding gutter (9) is set to multiple.

6. plant according to claim 4 implant component, it is characterized in that: described guiding gutter (9) is set to multiple.