CN204698754U - The hollow tubular Foldable suspension-type artificial ligament that nano coating is modified - Google Patents
The hollow tubular Foldable suspension-type artificial ligament that nano coating is modified Download PDFInfo
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- CN204698754U CN204698754U CN201520083836.2U CN201520083836U CN204698754U CN 204698754 U CN204698754 U CN 204698754U CN 201520083836 U CN201520083836 U CN 201520083836U CN 204698754 U CN204698754 U CN 204698754U
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- knit unit
- nano coating
- tunnel knit
- hollow tubular
- tibial tunnel
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Abstract
This utility model provides the hollow tubular Foldable suspension-type artificial ligament that a kind of nano coating is modified, and comprising: connect and compose the femoral bone tunnel knit unit (1) of ring-type, the first articular cavity free-fiber portion (2), tibial tunnel knit unit (3), free-fiber portion, second joint chamber (4) successively from beginning to end; Femoral bone tunnel knit unit (1), tibial tunnel knit unit (3) are hollow tubular structure, and its inside and outside surface is provided with different coatings.This utility model is designed to hollow tubular form tunnel knit unit, centre utilizes autologous tendon to pass, ensure that the intensity of ligament, its surfaces externally and internally is provided with nano coating, organize while coating degradation and slowly grow into, be more conducive to tendon-bone healing, the fixed form of ligament is that femur and tibia all use button Interal fixation.
Description
Technical field
This utility model relates to artificial ligament, particularly, relates to the hollow tubular Foldable suspension-type artificial ligament that nano coating is modified.
Background technology
Artificial ligament is generally that the articular cavity free-fiber portion that the knit unit that formed by fibrage and free silk are formed is formed, and is divided into osseous tunnel portion, both sides, middle joint fiber portion.During LARS artificial ligament implantable bone tunnel of the prior art, its operation has certain difficulty, and easily cause affecting autologous tissue because operation easier is higher and grow into, osseous tunnel inner bolt at a specified future date easily loosens, and finally causes the failure of artificial ligament.
Utility model content
For defect of the prior art, the purpose of this utility model is to provide the hollow tubular Foldable suspension-type artificial ligament that a kind of nano coating is modified.
According to the hollow tubular Foldable suspension-type artificial ligament of a kind of nano coating modification that this utility model provides, comprising: connect and compose femoral bone tunnel knit unit 1, the first articular cavity free-fiber portion 2 of ring-type, tibial tunnel knit unit 3, free-fiber portion, second joint chamber 4 successively from beginning to end;
Femoral bone tunnel knit unit 1 is hollow tubular structure, and femoral bone tunnel knit unit outer surface 101 is provided with nano coating A, and femoral bone tunnel knit unit inner surface 102 is provided with nano coating B; Wherein, described femoral bone tunnel knit unit inner surface 102 refers to the chamber wall of femoral bone tunnel knit unit inner hollow cavity 103;
Tibial tunnel knit unit 3 is hollow tubular structure, and tibial tunnel knit unit outer surface 301 is provided with nano coating A, and tibial tunnel knit unit inner surface 302 is provided with nano coating B; Wherein, described tibial tunnel knit unit inner surface 302 refers to the chamber wall of tibial tunnel knit unit inner hollow cavity 303.
Tibial tunnel knit unit outer surface 301 is provided with two grooves, extends, extend between the other end of another groove in tibial tunnel knit unit 3 and the mid point as folding point between the one end of groove in tibial tunnel knit unit 3 and the mid point as folding point;
The quantity of described draught line is 2, and a draught line A wherein extends to the other end by one end of a described groove and continues to extend a described groove in a described groove; Another draught line B wherein extends to the other end by one end of another groove described and continues to extend another groove described in another groove described.
Preferably, femoral bone tunnel knit unit 1 adopts UHMWP fibrage to be formed, or adopts UHMWP fiber and PET shuffling to be formed;
Tibial tunnel knit unit 3 adopts UHMWP fibrage to be formed, or adopts UHMWP fiber and PET shuffling to be formed.
Preferably, femoral bone tunnel knit unit 1 adopts UHMWP fiber and PET shuffling to be formed, and tibial tunnel knit unit 3 adopts UHMWP fibrage to be formed;
First articular cavity free-fiber portion 2, free-fiber portion, second joint chamber 4 all adopt PET to make.
Preferably, described UHMWP fiber and PET shuffling, refer to that UHMWP fiber is as longitudinal knitted line, PET as horizontal litzendraht wire, longitudinal knitted line and horizontal litzendraht wire interlacing.
Preferably, nano coating A is type i collagen, chitosan or fibroin albumen, and nano coating B is hyaluronic acid or gelatin.
Preferably, nano coating A is polymine, and nano coating B is gelatin.
Preferably, the thickness of nano coating A equals the thickness of nano coating B.
Preferably, also comprise draught line, wherein, draught line connects tibial tunnel knit unit 3.
Preferably, first articular cavity free-fiber portion 2, free-fiber portion, second joint chamber 4 are provided with tendon body introduction channel, wherein, the opening on the first articular cavity free-fiber portion 2, surface, free-fiber portion 4, second joint chamber forms the entrance of respective described tendon body introduction channel respectively, and the outlet of described tendon body introduction channel is in the inner hollow cavity of femoral bone tunnel knit unit 1 and/or tibial tunnel knit unit 3.
Compared with prior art, this utility model has following beneficial effect:
1, this utility model is designed to hollow tubular form tunnel knit unit.UHMWP fiber and PET shuffling are formed after whole cloth weaves, the two sides of cloth all gives degradable nano coating and modifies (such as, polycaprolactone (PCL), polycaprolactone (PCL) carry somatomedin coating, coating can also carry antibacterials etc.), and then be woven into femur, the tibial tunnel knit unit of hollow tubular, organize while coating degradation and slowly grow into, be more conducive to tendon-bone healing.
2, this utility model is the artificial ligament of hollow tubular, and centre utilizes autologous tendon to pass, and ensure that the intensity of ligament.It is the equal of the concept of autologous tendon and artificial material hydridization.
3, in this utility model, the fixed form of ligament is that femur and tibia all use button Interal fixation.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, other features, objects and advantages of the present utility model will become more obvious:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the cross section of femoral bone tunnel knit unit;
Fig. 3 is the cross section of tibial tunnel knit unit.
In figure:
1-femoral bone tunnel knit unit
101-femoral bone tunnel knit unit outer surface
102-femoral bone tunnel knit unit inner surface
103-femoral bone tunnel knit unit inner hollow cavity
2-first articular cavity free-fiber portion
3-tibial tunnel knit unit
301-tibial tunnel knit unit outer surface
302-tibial tunnel knit unit inner surface
303-tibial tunnel knit unit inner hollow cavity
Free-fiber portion, 4-second joint chamber
Detailed description of the invention
Below in conjunction with specific embodiment, this utility model is described in detail.Following examples will contribute to those skilled in the art and understand this utility model further, but not limit this utility model in any form.It should be pointed out that to those skilled in the art, without departing from the concept of the premise utility, some distortion and improvement can also be made.These all belong to protection domain of the present utility model.
As shown in Figure 1, according to the hollow tubular Foldable suspension-type artificial ligament of a kind of nano coating modification that this utility model provides, comprising: connect and compose femoral bone tunnel knit unit 1, the first articular cavity free-fiber portion 2 of ring-type, tibial tunnel knit unit 3, free-fiber portion, second joint chamber 4 successively from beginning to end.Femoral bone tunnel knit unit 1 wherein some place be bent into U-shaped and wherein some place form button steel plate installation end, tibial tunnel knit unit 3 wherein some place be bent into U-shaped and wherein some place form button steel plate installation end.
As shown in Figure 2, femoral bone tunnel knit unit 1 is hollow tubular structure, and femoral bone tunnel knit unit outer surface 101 is provided with nano coating A, and femoral bone tunnel knit unit inner surface 102 is provided with nano coating B; Wherein, described femoral bone tunnel knit unit inner surface 102 refers to the chamber wall of femoral bone tunnel knit unit inner hollow cavity 103.Autologous tendon is put in the inner hollow cavity of hollow tubular.Be provided with gap between many articular cavity free-fibers that first articular cavity free-fiber portion 2, free-fiber portion, second joint chamber 4 comprise, thus articular cavity dissociates, silk section can not be too closely knit, avoids affecting putting into of autologous tendon.
As shown in Figure 3, tibial tunnel knit unit 3 is hollow tubular structure, and tibial tunnel knit unit outer surface 301 is provided with nano coating A, and tibial tunnel knit unit inner surface 302 is provided with nano coating B; Wherein, described tibial tunnel knit unit inner surface 302 refers to the chamber wall of tibial tunnel knit unit inner hollow cavity 303.
Particularly, femoral bone tunnel knit unit 1 adopts UHMWP fibrage to be formed, or adopts UHMWP fiber and PET shuffling to be formed; Tibial tunnel knit unit 3 adopts UHMWP fibrage to be formed, or adopts UHMWP fiber and PET shuffling to be formed.In preference, femoral bone tunnel knit unit 1 adopts UHMWP fiber and PET shuffling to be formed, and tibial tunnel knit unit 3 adopts UHMWP fibrage to be formed; First articular cavity free-fiber portion 2, free-fiber portion, second joint chamber 4 all adopt PET to make.Wherein, described UHMWP fiber and PET shuffling, refer to that UHMWP fiber is as longitudinal knitted line, PET as horizontal litzendraht wire, longitudinal knitted line and horizontal litzendraht wire interlacing.
Further particularly, nano coating A can adopt the materials such as type i collagen, chitosan, fibroin albumen, nano coating B can adopt hyaluronic acid, gelatin, etc. material, in preference, nano coating A is polymine/chitosan or fibroin albumen, nano coating B is gelatin/hyaluronic acid, and the thickness of nano coating A equals the thickness of nano coating B.
Nano coating A, nano coating B can choose different coating material, and nano coating A is more prone to osteogenic tissue's compatibility because implantation of ligament Guo Gu road, and natural surface contacts with bone; Put autologous tendon inside hollow tubular, the nano coating B of the inside can be designed to the autologous tendinous tissue compatibility reasonable; All nano coatings are degradable, can be loaded into skeletonization medicine, slow releasing as carrier; Complete to regular hour section coating natural degradation, while coating degraded, autologous tissue grows into, advantageously in tendon-bone healing on one side
Further particularly, the hollow tubular Foldable suspension-type artificial ligament that nano coating is modified also comprises draught line, wherein, draught line connects tibial tunnel knit unit 3, tibial tunnel knit unit outer surface 301 is provided with two grooves, article one, extend between groove one end in tibial tunnel knit unit 3 and the mid point as folding point, extend between the other end of another groove in tibial tunnel knit unit 3 and the mid point as folding point;
The quantity of described draught line is 2, and a draught line A wherein extends to the other end by one end of a described groove and continues to extend a described groove in a described groove; Another draught line B wherein extends to the other end by one end of another groove described and continues to extend another groove described in another groove described.Above specific embodiment of the utility model is described.It is to be appreciated that this utility model is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present utility model.
Claims (9)
1. the hollow tubular Foldable suspension-type artificial ligament of a nano coating modification, it is characterized in that, comprising: connect and compose the femoral bone tunnel knit unit (1) of ring-type, the first articular cavity free-fiber portion (2), tibial tunnel knit unit (3), free-fiber portion, second joint chamber (4) successively from beginning to end;
Femoral bone tunnel knit unit (1) is hollow tubular structure, and femoral bone tunnel knit unit outer surface (101) is provided with nano coating A, and femoral bone tunnel knit unit inner surface (102) is provided with nano coating B; Wherein, described femoral bone tunnel knit unit inner surface (102) refers to the chamber wall of femoral bone tunnel knit unit inner hollow cavity (103);
Tibial tunnel knit unit (3) is hollow tubular structure, and tibial tunnel knit unit outer surface (301) is provided with nano coating A, and tibial tunnel knit unit inner surface (302) is provided with nano coating B; Wherein, described tibial tunnel knit unit inner surface (302) refers to the chamber wall of tibial tunnel knit unit inner hollow cavity (303);
Tibial tunnel knit unit outer surface (301) is provided with two grooves, article one, groove extends between one end and the mid point as folding point of tibial tunnel knit unit (3), and another groove extends between the other end and the mid point as folding point of tibial tunnel knit unit (3);
The quantity of draught line is 2, and a draught line A wherein extends to the other end by one end of a described groove and continues to extend a described groove in a described groove; Another draught line B wherein extends to the other end by one end of another groove described and continues to extend another groove described in another groove described.
2. the hollow tubular Foldable suspension-type artificial ligament of nano coating modification according to claim 1, is characterized in that, femoral bone tunnel knit unit (1) adopts UHMWP fibrage to be formed, or adopts UHMWP fiber and PET shuffling to be formed;
Tibial tunnel knit unit (3) adopts UHMWP fibrage to be formed, or adopts UHMWP fiber and PET shuffling to be formed.
3. the hollow tubular Foldable suspension-type artificial ligament of nano coating modification according to claim 2, it is characterized in that, femoral bone tunnel knit unit (1) adopts UHMWP fiber and PET shuffling to be formed, and tibial tunnel knit unit (3) adopts UHMWP fibrage to be formed;
First articular cavity free-fiber portion (2), free-fiber portion, second joint chamber (4) all adopt PET to make.
4. the hollow tubular Foldable suspension-type artificial ligament of nano coating modification according to claim 2, it is characterized in that, described UHMWP fiber and PET shuffling, refer to that UHMWP fiber is as longitudinal knitted line, PET as horizontal litzendraht wire, longitudinal knitted line and horizontal litzendraht wire interlacing.
5. the hollow tubular Foldable suspension-type artificial ligament of nano coating modification according to claim 3, it is characterized in that, nano coating A is type i collagen, chitosan or fibroin albumen, and nano coating B is hyaluronic acid or gelatin.
6. the hollow tubular Foldable suspension-type artificial ligament of nano coating modification according to claim 1, it is characterized in that, nano coating A is polymine, and nano coating B is gelatin.
7. the hollow tubular Foldable suspension-type artificial ligament of nano coating modification according to claim 6, it is characterized in that, the thickness of nano coating A equals the thickness of nano coating B.
8. the hollow tubular Foldable suspension-type artificial ligament of nano coating modification according to claim 1, is characterized in that, also comprise draught line, and wherein, draught line connects tibial tunnel knit unit (3).
9. the hollow tubular Foldable suspension-type artificial ligament of nano coating modification according to claim 1, it is characterized in that, first articular cavity free-fiber portion (2), free-fiber portion, second joint chamber (4) is provided with tendon body introduction channel, wherein, first articular cavity free-fiber portion (2), the opening on surface, free-fiber portion, second joint chamber (4) forms the entrance of respective described tendon body introduction channel respectively, the outlet of described tendon body introduction channel is in the inner hollow cavity of femoral bone tunnel knit unit (1) and/or tibial tunnel knit unit (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520083836.2U CN204698754U (en) | 2015-02-05 | 2015-02-05 | The hollow tubular Foldable suspension-type artificial ligament that nano coating is modified |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520083836.2U CN204698754U (en) | 2015-02-05 | 2015-02-05 | The hollow tubular Foldable suspension-type artificial ligament that nano coating is modified |
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| CN204698754U true CN204698754U (en) | 2015-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520083836.2U Expired - Fee Related CN204698754U (en) | 2015-02-05 | 2015-02-05 | The hollow tubular Foldable suspension-type artificial ligament that nano coating is modified |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106667622A (en) * | 2017-02-06 | 2017-05-17 | 北京万洁天元医疗器械有限公司 | Adjustable lantern ring steel plate for fixing soft tissue or ligament graft |
| CN107754014A (en) * | 2017-11-29 | 2018-03-06 | 上海纳米技术及应用国家工程研究中心有限公司 | The antibacterial on PET surface promotees preparation method of bone composite coating and products thereof and application |
| CN114642771A (en) * | 2020-12-21 | 2022-06-21 | 立心(深圳)医疗器械有限公司 | Artificial ligament with traction unit and preparation method thereof |
-
2015
- 2015-02-05 CN CN201520083836.2U patent/CN204698754U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106667622A (en) * | 2017-02-06 | 2017-05-17 | 北京万洁天元医疗器械有限公司 | Adjustable lantern ring steel plate for fixing soft tissue or ligament graft |
| CN107754014A (en) * | 2017-11-29 | 2018-03-06 | 上海纳米技术及应用国家工程研究中心有限公司 | The antibacterial on PET surface promotees preparation method of bone composite coating and products thereof and application |
| CN114642771A (en) * | 2020-12-21 | 2022-06-21 | 立心(深圳)医疗器械有限公司 | Artificial ligament with traction unit and preparation method thereof |
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| 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 |
Granted publication date: 20151014 Termination date: 20200205 |
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| CF01 | Termination of patent right due to non-payment of annual fee |