CN203710159U - Surface porous implant with bioactivity - Google Patents
Surface porous implant with bioactivity Download PDFInfo
- Publication number
- CN203710159U CN203710159U CN201320816741.8U CN201320816741U CN203710159U CN 203710159 U CN203710159 U CN 203710159U CN 201320816741 U CN201320816741 U CN 201320816741U CN 203710159 U CN203710159 U CN 203710159U
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- CN
- China
- Prior art keywords
- porous
- afterbody
- implant
- micron
- head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 239000007943 implant Substances 0.000 title claims abstract description 25
- 238000003754 machining Methods 0.000 claims abstract description 5
- 238000002513 implantation Methods 0.000 claims description 13
- 230000000975 bioactive effect Effects 0.000 claims description 9
- 239000010936 titanium Substances 0.000 claims description 9
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 8
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 8
- 229910052719 titanium Inorganic materials 0.000 claims description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 229910052786 argon Inorganic materials 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 229910052756 noble gas Inorganic materials 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 238000010079 rubber tapping Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000007639 printing Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 210000000988 bone and bone Anatomy 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000003513 alkali Substances 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 230000004071 biological effect Effects 0.000 description 2
- 230000035876 healing Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 201000010814 Synostosis Diseases 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- CGMRCMMOCQYHAD-UHFFFAOYSA-J dicalcium hydroxide phosphate Chemical compound [OH-].[Ca++].[Ca++].[O-]P([O-])([O-])=O CGMRCMMOCQYHAD-UHFFFAOYSA-J 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000010883 osseointegration Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Abstract
The utility model relates to a surface porous implant with bioactivity. The implant is a separable combined body which consists of a head part, a middle part and a tail part along the longitudinal axis, wherein the head part is a connecting structure connected with a repair base, the middle part is a porous sleeve formed by virtue of 3D (Three-Dimensional) printing, and the tail part is a bolt structure. The head part and the tail part are machined. The implant provided by the utility model can be used for solving the problems that conventional 3D printed implant is low in mechanical strength and high in manufacturing cost, and the assembly accuracy cannot satisfy the actual need and the like, and is high in mechanical strength, simple in machining process and low in manufacturing cost.
Description
Technical field
This utility model belongs to medical bio embedded material field, is specifically related to a kind of porous surface bioactive implant.
Background technology
Titanium or titanium alloy material has had more than 30 year history for body implant, is also the materials such as topmost orthopaedics implant, department of stomatology implant now.Titanium or titanium alloy is as embedded material, particularly permanent implanted material is as artificial joint, artificial intervertebral disk, tooth implant etc., must make tissue and metal implant surface that direct effect occurs, just can make implant and surrounding tissue merge, and form good synostosis.Along with the development of biomedical engineering and process for treating surface, by various modem technologies, to titanium or titanium alloy surface modification, can significantly improve biocompatibility, biological activity, resistance to corrosion of embedded material etc.Conventional processing method generally comprises: anodic oxidation, spraying technology, sandblast-acid etching, alkali treatment, heat treatment etc.
In Chinese patent 200610136835.5 " a kind of porous titanium implant body and preparation method ", porous outer layer is carried out to alkali heat treatment, bionical deposited hydroxyl apatite, in Chinese patent 200710016777.7 " a kind of preparation method of high-bioactivity surface stephanoporate implant composite material ", provide good biocompatibility, bone strong bonded, the short implantation body's material of healing stage in bone, Chinese patent 200410062209.1 " method in the preparation of pure-titanium tooth implantation surface with bioactivity, porous structure " can be realized biochemistry combination closely, improve the clinical success rate of tooth implant.But adopt traditional 3D to print implantation body, exist mechanical strength not high, assembly precision cannot meet the problems such as actual needs, manufacturing cost height.
Utility model content
The purpose of this utility model is to provide that a kind of mechanical strength is high, the course of processing is simple, the porous surface bioactive implant of low cost of manufacture.
The technical scheme that realizes this utility model object is a kind of porous surface bioactive implant; The releasable assembly that described implantation body is comprised of along longitudinal axis head, middle part, afterbody three-stage structure, described head is the syndeton being connected with reparation base station, and middle part is to print by 3D the porous casing forming, and afterbody is bolt arrangement; Described head and afterbody are that machining forms.
The outer surface of preferred described syndeton is thread segment, is distributed with through hole the outer surface annular array of described porous casing, and bolt arrangement is the bullet with self tapping groove, and described head, middle part, afterbody are to be fixedly connected into assembly by caging bolt.
Preferred implantation body external diameter is 2-7mm, and described thread segment length is 1-8mm, and porous casing length is 2-12mm, and bolt arrangement length is 1-6mm, and the aperture of described through hole is 50-300 micron; 3D prints pure titanium valve used or titanium alloy particle diameter is 1-100 micron, and noble gas is nitrogen or argon, and scanning speed is 100 micro-meter per second-7 meter per seconds, and the diameter of hot spot is 5-200 micron.
The utlity model has positive effect: (1) implantation body has similar fatigue strength with the implantation body of traditional mechanical processing, and the fatigue strength of printing than full 3D has exceeded 35% left and right, and assembly precision meets actual needs and low cost of manufacture.
(2) it is simply efficient that porous casing adopts three-dimensional printing technology, and machining process is simple, can carry out personalized customization implantation body.
(3) biological activity of pure titanium implant can improve in this implantation body, accelerates the bone apposition of implant surface, shortens the organization healing time; And there is better osseointegration intensity.
Accompanying drawing explanation
For content of the present utility model is more easily expressly understood, according to specific embodiment also by reference to the accompanying drawings, this utility model is described in further detail, wherein below
Fig. 1 is a kind of structural representation of porous surface bioactive implant;
Fig. 2 is the structural representation of porous casing;
The 1st, head, the 2nd, middle part, the 3rd, afterbody, the 20th, porous casing, the 30th, bolt arrangement, the 10th, thread segment, the 21st, through hole
The specific embodiment
A kind of porous surface bioactive implant; The releasable assembly that described implantation body is comprised of along longitudinal axis head 1, middle part 2, afterbody 3 three-stage structures, described head 1 is the syndeton being connected with reparation base station, and middle part 2 is to print by 3D the porous casing 20 forming, and afterbody 3 is bolt arrangements 30; Described head 1 and afterbody 3 are that machining forms.
The outer surface of further described syndeton is thread segment 10, be distributed with through hole 21 the outer surface annular array of described porous casing 20, bolt arrangement 30 is the bullets with self tapping groove, and described head 1, middle part 2, afterbody 3 are to be fixedly connected into assembly by caging bolt.
Further implantation body's external diameter is 2-7mm, and described thread segment 10 length are 1-8mm, and porous casing 20 length are 2-12mm, and bolt arrangement 30 length are 1-6mm, and the aperture of described through hole 21 is 50-300 micron; 3D prints pure titanium valve used or titanium alloy particle diameter is 1-100 micron, and noble gas is nitrogen or argon, and scanning speed is 100 micro-meter per second-7 meter per seconds, and the diameter of hot spot is 5-200 micron.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only specific embodiment of the utility model; be not limited to this utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (3)
1. a porous surface bioactive implant; It is characterized in that: the releasable assembly that described implantation body is comprised of along longitudinal axis head (1), middle part (2), afterbody (3) three-stage structure, described head (1) is the syndeton being connected with reparation base station, middle part (2) is to print by 3D the porous casing (20) forming, and afterbody (3) is bolt arrangement (30); Described head (1) and afterbody (3) are that machining forms.
2. porous surface bioactive implant according to claim 1, it is characterized in that: the outer surface of described syndeton is thread segment (10), be distributed with through hole (21) the outer surface annular array of described porous casing (20), bolt arrangement (30) is the bullet with self tapping groove, and described head (1), middle part (2), afterbody (3) are to be fixedly connected into assembly by caging bolt.
3. porous surface bioactive implant according to claim 2, it is characterized in that: implantation body's external diameter is 2-7mm, described thread segment (10) length is 1-8mm, porous casing (20) length is 2-12mm, bolt arrangement (30) length is 1-6mm, and the aperture of described through hole (21) is 50-300 micron; 3D prints pure titanium valve used or titanium alloy particle diameter is 1-100 micron, and noble gas is nitrogen or argon, and scanning speed is 100 micro-meter per second-7 meter per seconds, and the diameter of hot spot is 5-200 micron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320816741.8U CN203710159U (en) | 2013-12-12 | 2013-12-12 | Surface porous implant with bioactivity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320816741.8U CN203710159U (en) | 2013-12-12 | 2013-12-12 | Surface porous implant with bioactivity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203710159U true CN203710159U (en) | 2014-07-16 |
Family
ID=51149365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320816741.8U Expired - Lifetime CN203710159U (en) | 2013-12-12 | 2013-12-12 | Surface porous implant with bioactivity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203710159U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104352285A (en) * | 2014-11-25 | 2015-02-18 | 上海交通大学医学院附属第九人民医院 | Method for designing and manufacturing individual 3D printed implant |
| CN104706433A (en) * | 2013-12-12 | 2015-06-17 | 江苏创英医疗器械有限公司 | Surface porous implant with bioactivity |
| CN108888370A (en) * | 2018-07-19 | 2018-11-27 | 西安科技大学 | A kind of dental implant being provided with multi-segment thread |
| CN109454236A (en) * | 2018-12-04 | 2019-03-12 | 湖南顶立科技有限公司 | A kind of 3D printing method of porous mouth cavity planting body and porous mouth cavity planting body |
-
2013
- 2013-12-12 CN CN201320816741.8U patent/CN203710159U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104706433A (en) * | 2013-12-12 | 2015-06-17 | 江苏创英医疗器械有限公司 | Surface porous implant with bioactivity |
| CN104706433B (en) * | 2013-12-12 | 2017-08-11 | 江苏创英医疗器械有限公司 | A kind of porous surface bioactive implant |
| CN104352285A (en) * | 2014-11-25 | 2015-02-18 | 上海交通大学医学院附属第九人民医院 | Method for designing and manufacturing individual 3D printed implant |
| CN104352285B (en) * | 2014-11-25 | 2017-07-07 | 上海交通大学医学院附属第九人民医院 | A kind of design and fabrication method of individuation 3D printing planting body |
| CN108888370A (en) * | 2018-07-19 | 2018-11-27 | 西安科技大学 | A kind of dental implant being provided with multi-segment thread |
| CN108888370B (en) * | 2018-07-19 | 2020-11-24 | 西安科技大学 | Be provided with dental implant of multistage screw thread |
| CN109454236A (en) * | 2018-12-04 | 2019-03-12 | 湖南顶立科技有限公司 | A kind of 3D printing method of porous mouth cavity planting body and porous mouth cavity planting body |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |