CN205359713U - Artifical bone of self stabilization festival section - Google Patents
Artifical bone of self stabilization festival section Download PDFInfo
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- CN205359713U CN205359713U CN201620014744.3U CN201620014744U CN205359713U CN 205359713 U CN205359713 U CN 205359713U CN 201620014744 U CN201620014744 U CN 201620014744U CN 205359713 U CN205359713 U CN 205359713U
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Abstract
The utility model relates to an implant the artifical bone of self stabilization festival section who replaces by the long section joint section of host of excision or disappearance. The artifical bone of this festival section comprises artifical bone main part of section and artifical bone set screw. Artifical bone is fixed outward along constituting by the alternative superimposed clavule of quadrature with being used for to the artifical bone of self stabilization festival section main part. The artifical bone main part of festival section has micropore multiaxial, that link up each other, enables the osteocyte and grows into the micropore and realize bony fusion. Implant impaired host's section of the saving position that is taken out according to the artificial bone of the suitable length of the damaged length of host's bone formulation in the operation, it is fixed with artificial bone and upper and lower adjacent host's bone along the screw hole outward to pass through the artificial bone main part with artificial bone set screw. The utility model discloses artifical bone of self stabilization festival section do not need the hone lamella fixed with the condition that supports under, the postoperative can directly make its stable and can and host's bone bony fusion, simultaneously, this manual work bone can effectively resist the settlement again, continuously keeps the height of the festival section bone that replaces, and the operation is simple reliable.
Description
Technical field
This utility model relates to a kind of Cranial defect implant, particularly to one for long bone segmental defect reparation self-stabilization artificial bone, belongs to implanted medical device field.
Background technology
The segmental bone defect caused by a variety of causes is disease common in orthopaedics.Reparation after large segmental bone defect is always up focus and the difficult point of field of orthopaedics with rebuilding.Though the methods such as the carrying of autologous or allogenic bone transplantation, bone and Limb lengthening have been applied to clinically, but these methods have respective limitation, limit its extensive use.
In recent years, the treatment for Long bone defect of rising of tissue engineering technique brings new hope.People have attempted to use different biomaterials and support Design method to have developed not only good biocompatibility, and there is good bone conduction even there is sclerous tissues's support of self-bone grafting, and in continuous trial and error is tested, obtain a lot of valuable result, and have developed different support.While it is true, owing to it is by the restriction of mechanical property, current sclerous tissues's support is also difficult to be applied to big section bone segment defect repair.Such as porous bio-ceramic, although it has good bone conduction even self-bone grafting performance, but it is real fragile material, and its mechanical property can not meet long bone, the femur segmental defect reparation in particular for load is used.
It addition, current large segmental bone defect treatment operation is required for hone lamella and fixes as early stage and support.After knitting, generally want second operation to take out and support hone lamella.And so perform the operation and bring a lot of problem, as second operation is easily caused infection, surgery cost increases, the risk etc. of refracture.
Summary of the invention
The purpose of this utility model is in that repairing and the artificial bone rebuild after providing a kind of big section bone segment defect that may be used for and causing because of various diseases.This sections artificial bone is being implanted after host, need not hone lamella fix and support when, it is possible to directly stabilize it and can and host bone Bony union；Meanwhile, this artificial bone again can effectively anti-depression, persistently keep substituted segmental height, perform the operation simple and reliable.
For achieving the above object, this utility model adopts following design:
A kind of self-stabilization sections artificial bone, this artificial bone is made up of sections artificial bone main body and fixing screw, it is characterised in that described sections artificial bone main body is a tubulose body, has the outer for fixed-segment artificial bone main body at the upper and lower two ends of sections artificial bone main body.
In such scheme, the tubulose body of described sections artificial bone main body is to be made up of the clava of orthogonal alternately superposition, and the spacing between the clava of orthogonal alternately superposition constitutes microcellular structure multidirectional, that be mutually communicated.
In such scheme, the claval diameter of described orthogonal alternately superposition is 50-2000 micron.
In such scheme, the clava of described orthogonal alternately superposition fuses into one at the cross over point of rod with rod.
In such scheme, the microcellular structure that the described clava by orthogonal alternately superposition is constituted, it is 100-2000 micron in the aperture of Z-direction micropore, is 1-1000 micron in the aperture of X-Y axial plane direction micropore.
In such scheme, the described upper and lower two ends of self-stabilization sections artificial bone main body are provided with no less than 4 screw holes for the outer of fixed-segment artificial bone main body, and the aperture of screw hole is 2-10 millimeter.
In such scheme, the tubular cross-section of described sections artificial bone main body is shaped as annular, oval ring, fan annular.
In such scheme, described clava surface is coated with apatite layer.
The self-stabilization sections artificial bone designed by this utility model, owing to it has abundant, to be suitable for Compact bone growth micropore, grows in artificial bone pore structure so the osteocyte of host can be creeped, thus realizing synostosis with host bone.Further, since the sections artificial bone of this utility model design contains for fixing artificial bone structure, this avoids the need for fixing at use hone lamella and supporting making artificial bone stable.
This utility model self-stabilization sections artificial bone, the parts such as its sections artificial bone main body and fixing screw adopt medical metal, medical high polymer, and Biomedical Polymer-based Composite Materials to make, this kind of medical material all widely uses in clinic, it is verified that have good biocompatible property.Equally, the apatite that surface covers also has been widely used for sclerous tissues.
One implant surgery process prescription of this utility model self-stabilization sections artificial bone is as follows:
(1) the self-stabilization sections artificial bone structure described by this utility model is in conjunction with the shape of the impaired host's long bone sections substituted needed for host, uses special purpose computer software carry out three-dimensional modeling and connect use laser or high-power electron beam increasing material manufacture equipment self-stabilization sections artificial bone subsequently；
(2) the impaired host's long bone sections that need to be substituted is removed；
(3) the sections artificial bone of preparation is implanted the impaired host's segmental position being removed, be implanted into the broken osseous granules of autologous bone if desired at self-stabilization sections artificial bone micropore to induce creeping of host bone cell to grow into；
(4) the fixing screw of artificial bone of suitable diameter and length is used, being screwed in neighbouring host bone by fixing for bone screw by the screw hole on artificial bone main body outer, upper and lower two adjacent host bones will by fixing screw and outer and artificial bone main body compact siro spinning technology.
For a person skilled in the art, the judgement for the treatment of is had a variety of according to patient's concrete condition and patient by operation plan, does not therefore here do more detailed description.After the implanted human body of self-stabilization sections artificial bone, this artificial bone and host bone compact siro spinning technology, following osteocyte is by the microcellular structure of self-stabilization sections artificial bone of growing into, and such self-stabilization sections artificial bone will form Bony union with host bone and stablize with the later stage reaching self-stabilization artificial bone.
Accompanying drawing illustrates:
The accompanying drawing constituting the part of the application is used for providing being further appreciated by of the present utility model, and schematic description and description of the present utility model is used for explaining this utility model, is not intended that improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is this utility model self-stabilization sections artificial bone structural representation；
Fig. 2 is another kind of this utility model self-stabilization sections artificial bone structural representation；
Fig. 3 is this utility model self-stabilization sections artificial bone microcellular structure embodiment schematic diagram；
Fig. 4 is the perspective view that self-stabilization sections artificial bone of the present utility model uses state.
Detailed description of the invention
With specific embodiment, the utility model is described in further detail below, but should not be understood as any restriction to this utility model protected content.For a person skilled in the art, this utility model can have various modifications and variations.Any amendment that is all within spirit of the present utility model and principle, that make, equivalent replacement, improvement etc., should be included in this utility model and send out within protection domain.
This utility model self-stabilization sections artificial bone medical metal as shown in Figure 1, Figure 2, Figure 3 shows is made, and therefore has good biocompatibility.Described segmental main body 1 is a tubulose body, and its tubular cross-section is shaped as annular, oval ring, fan annular.The tubulose body of artificial bone main body 1 is to be made up of the clava 111 of orthogonal alternately superposition, and the diameter of these orthogonal alternately clavas 111 of superposition is 50-2000 micron, and clava fuses into one at the cross over point 112 of rod with rod.
Preferably, the diameter of the orthogonal alternately clava 111 of superposition is 100-1000 micron.
Spacing between the clava 111 of orthogonal alternately superposition constitutes microcellular structure 121 multidirectional, that be mutually communicated.Wherein, it is 100-2000 micron in the aperture of Z-direction micropore, is 1-1000 micron in the aperture of X-Y axial plane direction micropore.The hole of these suitable diameters be conducive to filling autologous bone or allograph bone, and be conducive to osteocyte to creep making sections artificial bone and the tight Bony union of host bone of implantation such as these holes.
Preferably, it is 200-800 micron in the aperture of Z-direction micropore, is 1-400 micron in the aperture of X-Y axial plane direction micropore.
In order to avoid using the fixing and supporting implants such as hone lamella, it is provided with the outer 101 or 102 for fixed-segment artificial bone main body 1 at the upper and lower two ends of sections artificial bone, and outer being provided with no less than 4 fixing screw holes 1011 or 1021, the aperture of screw hole is 2-10 millimeter.
In order to improve the osteanagenesis activity of the sections artificial bone of preparation, such as bone conduction and osteoinductive, the clava 111 surface overlying in sections artificial bone main body 1 covers apatite layer.
Such as Fig. 1, self-stabilization sections artificial bone of the present utility model shown in Fig. 2, it is arranged on the long section bone shown in Fig. 4 due to tumor, the pain that trauma causes, the room that the segmental 3 that cannot normally play physiological function etc. and be removed is formed, described self-stabilization sections artificial bone includes artificial bone main body 1 and fixing screw 2, wherein sections artificial bone main body 1 first implant the room that formed because segmental removes with and the upper sending down the fishbone 3 of host carry out bone fusion, then fix screw 2 and be screwed into the neighbouring host bone 3 of artificial bone outer screw hole 1011 or 1021, so that sections artificial bone is in host bone compact siro spinning technology at once fixing host bone.
The processing method of self-stabilization sections artificial bone adopts laser sintered or melted grade of high-power electron beam to increase material manufacture forming technique melt molding, and concrete grammar includes three steps:
(i) microcomputer modelling.Self-stabilization sections artificial bone structure described by this utility model is in conjunction with the shape of the impaired host's long bone sections substituted needed for host, use special purpose computer software that the self-stabilization sections artificial bone parts of design-build in a computer are carried out three-dimensional data modeling, to obtain the outline data of a series of monolayer slices.
(ii) three-dimensional increasing material molding.The three-dimensional data input laser that modeling is obtained or high-power electron beam increase material manufacture equipment and carry out Flashmelt molding.In whole Flashmelt forming process, increasing material manufacture equipment can run automatically according to the three-dimensional data of input, and obtains the self-stabilization sections artificial bone of required structure.The structures such as required entity and micropore are designed in the data file by three-dimensional data model owing to being used for building self-stabilization sections artificial bone in the lump, and therefore disposable completing is manufactured by described self-stabilization sections artificial bone in laser or high-power electron beam melting process.
(iii) post processing.The self-stabilization sections artificial bone obtained makes self-stabilization sections artificial bone cover apatite coating by electrochemistry lamination.
Claims (7)
1. a self-stabilization sections artificial bone, this self-stabilization sections artificial bone is made up of the fixing screw (2) of sections artificial bone main body (1) and sections artificial bone, it is characterized in that described sections artificial bone main body (1) is a tubulose body, tubulose body is to be made up of the clava (111) of orthogonal alternately superposition, constituted microcellular structure (121) multidirectional, that be mutually communicated by the spacing between the clava (111) of orthogonal alternately superposition, have the outer (101) for fixed-segment artificial bone main body in two ends up and down at sections artificial bone main body (1).
2. self-stabilization sections artificial bone according to claim 1, it is characterised in that the described diameter by the orthogonal alternately clava (111) of superposition is 50-2000 micron.
3. self-stabilization sections artificial bone according to claim 1, it is characterised in that the described clava by orthogonal alternately superposition fuses into one at the cross over point (112) of rod with rod.
4. self-stabilization sections artificial bone according to claim 1, it is characterised in that described microcellular structure multidirectional, that be mutually communicated is 100-2000 micron in the aperture of Z-direction micropore, is 1-1000 micron in the aperture of X-Y axial plane direction micropore.
5. self-stabilization sections artificial bone according to claim 1, it is characterised in that the described outer for fixed-segment artificial bone main body is provided with no less than 4 fixing screw holes (1011), and the aperture of screw hole is 2-10 millimeter.
6. self-stabilization sections artificial bone according to claim 1, it is characterised in that the tubular cross-section of sections artificial bone main body (1) is shaped as annular, oval ring, fan annular.
7. self-stabilization sections artificial bone according to claim 1, it is characterised in that be coated with apatite layer on described clava clava (111) surface by orthogonal alternately superposition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620014744.3U CN205359713U (en) | 2016-01-08 | 2016-01-08 | Artifical bone of self stabilization festival section |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620014744.3U CN205359713U (en) | 2016-01-08 | 2016-01-08 | Artifical bone of self stabilization festival section |
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| CN205359713U true CN205359713U (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620014744.3U Expired - Fee Related CN205359713U (en) | 2016-01-08 | 2016-01-08 | Artifical bone of self stabilization festival section |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU180565U1 (en) * | 2017-08-04 | 2018-06-18 | Барзинский Олег Викторович | IMPLANT FOR COMPENSATION OF BONE DEFECTS |
| RU180564U1 (en) * | 2017-08-04 | 2018-06-18 | Барзинский Олег Викторович | Long bone defect implant |
| RU180566U1 (en) * | 2017-08-08 | 2018-06-18 | Барзинский Олег Викторович | IMPLANT FOR REPLACEMENT OF BONE DEFECTS |
| CN110384571A (en) * | 2019-08-20 | 2019-10-29 | 广东省新材料研究所 | A kind of large segmental bone defect implantation material and preparation method thereof |
| RU2719648C1 (en) * | 2019-05-24 | 2020-04-21 | Сергей Владимирович Люлин | Method of surgical treatment of primary and metastatic spinal tumours |
| RU2743364C1 (en) * | 2020-07-02 | 2021-02-17 | Игорь Викторович Балязин-Парфенов | Method for stabilizing bodies of vertebrae by introducing implant |
| CN112888404A (en) * | 2018-10-23 | 2021-06-01 | 国立大学法人大阪大学 | Implant material and method for producing the same |
-
2016
- 2016-01-08 CN CN201620014744.3U patent/CN205359713U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU180565U1 (en) * | 2017-08-04 | 2018-06-18 | Барзинский Олег Викторович | IMPLANT FOR COMPENSATION OF BONE DEFECTS |
| RU180564U1 (en) * | 2017-08-04 | 2018-06-18 | Барзинский Олег Викторович | Long bone defect implant |
| RU180566U1 (en) * | 2017-08-08 | 2018-06-18 | Барзинский Олег Викторович | IMPLANT FOR REPLACEMENT OF BONE DEFECTS |
| CN112888404A (en) * | 2018-10-23 | 2021-06-01 | 国立大学法人大阪大学 | Implant material and method for producing the same |
| RU2719648C1 (en) * | 2019-05-24 | 2020-04-21 | Сергей Владимирович Люлин | Method of surgical treatment of primary and metastatic spinal tumours |
| CN110384571A (en) * | 2019-08-20 | 2019-10-29 | 广东省新材料研究所 | A kind of large segmental bone defect implantation material and preparation method thereof |
| RU2743364C1 (en) * | 2020-07-02 | 2021-02-17 | Игорь Викторович Балязин-Парфенов | Method for stabilizing bodies of vertebrae by introducing implant |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160706 Termination date: 20170108 |