CN209203630U - Titanium follows closely the compound bone grafting device of titanium net - Google Patents
Titanium follows closely the compound bone grafting device of titanium net Download PDFInfo
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- CN209203630U CN209203630U CN201821363362.7U CN201821363362U CN209203630U CN 209203630 U CN209203630 U CN 209203630U CN 201821363362 U CN201821363362 U CN 201821363362U CN 209203630 U CN209203630 U CN 209203630U
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Abstract
The utility model relates to the field of medical instrument technology, disclose a kind of titanium nail compound bone grafting device of titanium net, including titanium nail, titanium net and cover screw, the titanium nail includes a self tapping ailhead and a head of a nail, the head of a nail is hexagon, and inside is provided with threaded hole, and it is hexagonal to angular diameter that the mesh diameter of the titanium net is less than the head of a nail, greater than threaded hole aperture, titanium net is fastened on the head of a nail by the mesh that cover screw passes through the titanium net.The utility model realizes that the personalized osteanagenesis space in bone defect area maintains, and guarantees the effect of art area bone grafting.
Description
Technical field
The utility model relates to the field of medical instrument technology, and in particular to be a kind of titanium nail compound bone grafting device of titanium net.
Background technique
In implantology field, some patientss are since the factors such as useless property or pathologic lead to the remaining Bone mineral change in part, no
Meet the primary condition of plantation or good planting body primary stability can not be obtained, at this time in order to solve the region bone amount not
The problem of foot just needs to carry out bone increment operation.Guide tissue regeneration technology for the purpose of reconstruction of bone tissue is named as " drawing
Lead osteanagenesis technology " (guided bone regeneration, GBR).The it is proposed of Guided Bone Regeneration theory and the maturation of technology
A reliable technical guarantee is provided to solve plantation Bone mineral change.Its definition is to utilize biological barrier film at bone defect
The space for maintaining operation to establish, and the faster epithelial cell of proliferation and fibroblast is stopped to grow into whereby, guarantee growth rate
The growth of slower osteoblast and blood vessel.However conventional material (such as absorbable collagem membrane, nonabsorable as barrier film
PTFE film) lack from forming capacity, it is difficult to maintain stable space, may occur to fold after surgery to collapse, interfere art area bone
Regeneration, or even since barrier film exposure causes infection to lead to operative failure.Traditional GBR and onlay bone graft technique still can not
The reproduction of three-dimensional bone wall is realized in perfection, and titanium nail and titanium net have just played its exclusive advantage in Guided Bone Regeneration application at this time,
Its good mechanicalness can provide supportive protection for osteanagenesis, and reduce needed for autologous bone transplanting for bone amount.Clinically
Some scholars application titanium nail achieves good as the tent top bone graft that tent support repairs small area part bone defect
Effect.Compared to traditional barrier film, titanium net has certain intensity, the contours profiles of bootable control Regenerated Bone, and keeps empty
Between it is relatively stable；Titanium net surface is smooth, and bacterium is not easy to adhere to, and can reduce infection risk.
Traditional titanium net bone grafting is in the preoperative on the basis of the imageological examinations such as CT, according to the form of art area bone defect and big
Small progress is preforming, is followed closely in art using titanium and titanium net is seated on the jawbone of N/D neighbouring at bone defect.Traditional account
Paulin nail bone grafting is that the titanium nail of umbrella is seated at bone defect, then utilizes the bone grafting material of the titanium nail head of round blunt and filling
Common support biological barrier film, provides skeletonization space for osteanagenesis.
Traditional titanium net bone graft haves the shortcomings that wound is larger, needs that titanium net is seated in bone defect using titanium nail
On the jawbone for locating neighbouring N/D, therefore surgical procedure difficulty is larger, and the range for carrying out turning over valve operation in art is larger, and patient is postoperative
Swelling situation it is more serious；When bone defect area is close to adjacent teeth, there may be the wind of damage adjacent teeth root of the tooth for titanium net fixed operation
Danger.Traditional tent peg bone graft the shortcomings that there are scope of application limitations, the model specification of titanium nail are fixed, therefore for
Different bone defect situations can not carry out effective osteanagenesis space personalizedly and maintain；It is tilted in titanium nail retaining positions
When, high pressure and tension may be generated in local soft tissue, there are risks such as perforation of soft tissue, technique sensitive is high.
Utility model content
Purpose of the utility model is to solve the above problems, provide a kind of titanium nail compound bone grafting device of titanium net, realize
The personalized osteanagenesis space in bone defect area maintains, and guarantees the effect of art area bone grafting.
The technical scheme adopted by the utility model is that:
A kind of titanium nail compound bone grafting device of titanium net, characterized in that including titanium nail, titanium net and cover screw, the titanium nail packet
A self tapping ailhead and a head of a nail are included, the head of a nail is hexagon, and inside is provided with threaded hole, and the mesh diameter of the titanium net is small
Hexagonal to angular diameter in the head of a nail, greater than threaded hole aperture, titanium net is fastened on by the mesh that cover screw passes through the titanium net
On the head of a nail.
Further, the head of a nail hexagonal is 2mm to angular diameter, and the diameter of the threaded hole is 1mm, the titanium net mesh
Aperture is 1.2mm.
Further, the cover screw is then passed through titanium net after passing through a covering protection piece and threaded hole cooperates.
Further, the covering protection piece is annular structure, annular diameters 1.2mm, outer annular diameter 2mm.
Further, the material of the titanium nail titanium net is titanium alloy.
Further, the head of the cover screw has groove.
Further, the groove is cross or blossom type.
The beneficial effects of the utility model are:
(1) blend of predominance of titanium net and titanium nail bone graft is realized, the personalized osteanagenesis for realizing bone defect area is empty
Between maintain, ensure that the effect of art area bone grafting；
(2) damage adjacent teeth is avoided, operation wound is reduced, reduces operating difficulty, keeps surgical procedure more simple, is dropped
The risk that low postoperative complication occurs.
Detailed description of the invention
Attached drawing 1 is each exploded sketch of the utility model；
Attached drawing 2 is the structural schematic diagram after each component installation of the utility model；
Attached drawing 3 is the application schematic diagram of the utility model during surgery.
Specific embodiment
It elaborates with reference to the accompanying drawing to the specific embodiment of the utility model titanium nail compound bone grafting device of titanium net.
Referring to attached drawing 1,2, it includes titanium nail 2, titanium net 3, cover screw 4 and covering protection that titanium, which follows closely the compound bone grafting device 1 of titanium net,
Piece 5, titanium nail 2 include a self tapping ailhead 6 and a head of a nail 7, and the head of a nail 7 is hexagon, and inside is provided with threaded hole 8, the net of titanium net 3
Bore dia is hexagonal less than the head of a nail to be greater than 8 aperture of threaded hole to angular diameter, and cover screw 4 is worn again after passing through covering protection piece 5
It crosses titanium net 3 and threaded hole 8 cooperates.
The compound bone grafting device of the utility model has the characteristics that split type, personalizable moulding, wound are small, easy-operating.
Device is integrally divided into screw thread spike-like structures, reticular structure and connector structure three parts.Screw thread spike-like structures are retention system, i.e.,
Titanium nail, makes for titanium alloy material, and for the device to be fixed on bone defect area, the ailhead at tip is round thread cone cell,
With self tapping, jawbone and stabilization are entered by rotary feedthrough cortical bone；The head of titanium nail is the head of a nail, and shape is regular hexagon,
Outer-hexagonal is 2mm to angular diameter, is matched with corresponding hexagon screwdriver, therefore can carry out being implanted under the auxiliary of screwdriver solid
The surgical procedure of position；The head center of titanium nail is round thread hole, diameter 1mm, for being connected with connector structure.Titanium net
Reticular structure is to have plastic titanium alloy reticulated, trimming moulding can be carried out in art, the diameter of surface mesh is
1.2mm (mesh diameter is necessarily less than the head of a nail diameter of titanium nail, not so can not be fixed between covering protection piece and the titanium nail head of a nail,
But it is greater than cover screw screw thread bore dia, and not so can not pass through), the structure of titanium nail can pass through mesh.Connector knot
Structure can be further divided into cover screw and covering protection piece two parts.The screw thread of cover screw threaded portion diameter and screw thread spike-like structures
Hole matches, the cross and blossom type of head recess point of cover screw, convenient for the screwdriver operation of two kinds of different models；Covering
Screening glass is annular structure, annular diameters 1.2mm, outer annular diameter 2mm.
Referring to attached drawing 3, clinically bone defect art area cut under local anaesthesia and turn over valve, after completing bone surface processing, made
Titanium nail 2 is fixed on bone defect area 9 with hexagonal screwdriver and is stablized；According to intuitive bone defect form and size in art, in conjunction with
Imageological examination carries out personalized trimming moulding to reticular structure, selects the head drop-center of suitable mesh alignment titanium nail；
Spiral shell is fixed on after cover screw is sequentially passed through covering protection piece and reticular structure mesh using cross or blossom type screwdriver
The head drop-center of line spike-like structures maintains to provide stable osteanagenesis space for bone defect area, integrated operation compared with
To be simple, this procedure avoids damage adjacent teeths, reduce operation wound, effectively reduce operating difficulty.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
Art personnel can also make several improvements and modifications without departing from the principle of this utility model, these improvements and modifications
Also it should be regarded as the protection scope of the utility model.
Claims (7)
1. a kind of titanium follows closely the compound bone grafting device of titanium net, it is characterised in that: including titanium nail, titanium net and cover screw, the titanium nail packet
A self tapping ailhead and a head of a nail are included, the head of a nail is hexagon, and inside is provided with threaded hole, and the mesh diameter of the titanium net is small
Hexagonal to angular diameter in the head of a nail, greater than threaded hole aperture, titanium net is fastened on by the mesh that cover screw passes through the titanium net
On the head of a nail.
2. titanium according to claim 1 follows closely the compound bone grafting device of titanium net, it is characterised in that: the head of a nail hexagonal it is diagonal straight
Diameter is 2mm, and the diameter of the threaded hole is 1mm, and the titanium net mesh aperture is 1.2mm.
3. titanium according to claim 1 or 2 follows closely the compound bone grafting device of titanium net, it is characterised in that: the cover screw passes through
It is then passed through titanium net after one covering protection piece and threaded hole cooperates.
4. titanium according to claim 3 follows closely the compound bone grafting device of titanium net, it is characterised in that: the covering protection piece is annulus
Shape structure, annular diameters 1.2mm, outer annular diameter 2mm.
5. titanium according to claim 3 follows closely the compound bone grafting device of titanium net, it is characterised in that: the material of the titanium nail titanium net is equal
For titanium alloy.
6. titanium according to claim 1 follows closely the compound bone grafting device of titanium net, it is characterised in that: the head of the cover screw has
It is fluted.
7. titanium according to claim 6 follows closely the compound bone grafting device of titanium net, it is characterised in that: the groove is cross or plum
Flower pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821363362.7U CN209203630U (en) | 2018-08-23 | 2018-08-23 | Titanium follows closely the compound bone grafting device of titanium net |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821363362.7U CN209203630U (en) | 2018-08-23 | 2018-08-23 | Titanium follows closely the compound bone grafting device of titanium net |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209203630U true CN209203630U (en) | 2019-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821363362.7U Active CN209203630U (en) | 2018-08-23 | 2018-08-23 | Titanium follows closely the compound bone grafting device of titanium net |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112076002A (en) * | 2020-10-13 | 2020-12-15 | 四川大学 | GBR middle periosteum nail position and direction positioning guide plate and manufacturing method thereof |
| CN112826621A (en) * | 2021-02-09 | 2021-05-25 | 上海交通大学医学院附属第九人民医院 | Grid cap bone nail |
-
2018
- 2018-08-23 CN CN201821363362.7U patent/CN209203630U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112076002A (en) * | 2020-10-13 | 2020-12-15 | 四川大学 | GBR middle periosteum nail position and direction positioning guide plate and manufacturing method thereof |
| CN112826621A (en) * | 2021-02-09 | 2021-05-25 | 上海交通大学医学院附属第九人民医院 | Grid cap bone nail |
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