CN102908211B - Integral annular suspension artificial ligament - Google Patents
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- CN102908211B CN102908211B CN201210391689.6A CN201210391689A CN102908211B CN 102908211 B CN102908211 B CN 102908211B CN 201210391689 A CN201210391689 A CN 201210391689A CN 102908211 B CN102908211 B CN 102908211B
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- 210000003041 ligament Anatomy 0.000 title claims abstract description 79
- 239000000725 suspension Substances 0.000 title claims abstract description 23
- 238000002360 preparation method Methods 0.000 claims abstract description 8
- 239000000835 fiber Substances 0.000 claims description 15
- 239000002131 composite material Substances 0.000 claims description 12
- 239000012792 core layer Substances 0.000 claims description 4
- 239000010410 layer Substances 0.000 claims description 4
- 210000000988 bone and bone Anatomy 0.000 abstract description 12
- 230000035876 healing Effects 0.000 abstract description 4
- 210000001264 anterior cruciate ligament Anatomy 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 10
- 239000005020 polyethylene terephthalate Substances 0.000 description 10
- -1 polyethylene terephthalate Polymers 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 238000009954 braiding Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920005594 polymer fiber Polymers 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
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Abstract
Description
技术领域 technical field
本发明涉及植入人体的人工韧带，尤其是与钮扣钢板连接的人工韧带，具体地，涉及一体化环状悬吊人工韧带及其制备方法。The invention relates to an artificial ligament implanted into a human body, in particular to an artificial ligament connected with a button steel plate, in particular to an integrated annular suspension artificial ligament and a preparation method thereof.
背景技术 Background technique
目前，全世界临床应用较多且较为成熟的人工韧带为法国的LARS人工韧带，此韧带以高韧性聚对苯二甲酸乙二醇酯（PET）为原料。1994年开始应用于临床，2004年首次在国内成功使用，已通过欧洲CE认证和中国SFDA认证。LARS人工韧带是由聚合纤维网自身卷绕合拢形成，分为两边骨隧道部、中间关节纤维部以及两端牵引线部。LARS人工韧带植入骨隧道时，在股骨及胫骨隧道内分别采用一枚金属螺钉挤压固定。但是，这种固定方式不仅减少了韧带与骨隧道的接触面积，且因螺钉对韧带的挤压导致韧带内部空间减少，影响自体组织长入，远期骨隧道内螺钉容易发生松动，最终导致人工韧带的失败。At present, the most mature artificial ligament in the world is the French LARS artificial ligament, which is made of high-toughness polyethylene terephthalate (PET). It began to be used clinically in 1994, and was successfully used in China for the first time in 2004. It has passed the European CE certification and the Chinese SFDA certification. The LARS artificial ligament is formed by winding and closing the polymer fiber net itself, and is divided into bone tunnel parts on both sides, joint fiber parts in the middle and traction wire parts at both ends. When the LARS artificial ligament is implanted in the bone tunnel, a metal screw is pressed and fixed in the femoral and tibial tunnels respectively. However, this fixation method not only reduces the contact area between the ligament and the bone tunnel, but also reduces the internal space of the ligament due to the extrusion of the screw on the ligament, which affects the growth of autologous tissue. Failure of the ligaments.
发明内容 Contents of the invention
针对现有技术中LARS人工韧带不利于韧带与骨道愈合及固定方式不佳的缺陷，本发明的目的是提供一种一体化环状悬吊人工韧带及其制备方法。根据本发明提供的人工韧带既能连接钮扣钢板增加固定的牢固程度，而且更能增加人工韧带与骨隧道的接触面积，从而促进韧带与骨隧道的愈合。In view of the disadvantages of LARS artificial ligaments in the prior art that are not conducive to the healing of ligaments and bone tracts and poor fixation methods, the purpose of the present invention is to provide an integrated annular suspension artificial ligament and a preparation method thereof. The artificial ligament provided by the invention can not only connect the button plate to increase the firmness of fixation, but also increase the contact area between the artificial ligament and the bone tunnel, thereby promoting the healing of the ligament and the bone tunnel.
根据本发明的一个方面，提供一种一体化环状悬吊人工韧带，包括韧带编织部1以及牵引线2，其中，所述韧带编织部1为闭合的环形结构，所述牵引线2连接于所述韧带编织部1。According to one aspect of the present invention, an integrated annular suspension artificial ligament is provided, comprising a ligament braided part 1 and a pulling wire 2, wherein the ligament braided part 1 is a closed ring structure, and the pulling wire 2 is connected to The ligament braid 1 .
优选地，所述韧带编制部的相对的两端均为U字型结构、所述相对的两端之间的中间部分相互并拢。Preferably, the opposite ends of the ligament braiding part are U-shaped structures, and the middle parts between the opposite ends are close to each other.
优选地，其关于所述两端的中点的连线呈轴对称。Preferably, it is axisymmetric with respect to the line connecting the midpoints of the two ends.
根据本发明的另一个方面，提供一种一体化环状悬吊人工韧带的制备方法，包括如下步骤：According to another aspect of the present invention, a method for preparing an integrated annular suspension artificial ligament is provided, comprising the steps of:
步骤A：将一长方形聚对苯二甲酸乙二醇酯纤维网沿长轴进行自身卷绕成圆柱体；Step A: winding a rectangular polyethylene terephthalate fiber net into a cylinder along the long axis;
步骤B：将该圆柱体的两个自由端进行缝合，使圆柱体形成一个闭合环作为所述韧带编织部1。Step B: suturing the two free ends of the cylinder so that the cylinder forms a closed loop as the ligament braided part 1 .
优选地，还包括如下步骤：Preferably, the following steps are also included:
步骤C：在所述韧带编织部1的一端安装所述牵引线2。Step C: installing the pulling wire 2 at one end of the ligament braided part 1 .
根据本发明的又一个方面，提供一种一体化环状悬吊人工韧带的制备方法，包括如下步骤：According to yet another aspect of the present invention, a method for preparing an integrated annular suspension artificial ligament is provided, comprising the following steps:
步骤A：准备多张网格密度不同的长方形聚对苯二甲酸乙二醇酯纤维网，将网格密度最大的聚对苯二甲酸乙二醇酯纤维网沿长轴进行自身卷绕成圆柱体作为核心，其余的所述聚对苯二甲酸乙二醇酯纤维网按照网格密度由大到小依次沿长轴进行自身卷绕成圆柱体以层层包裹住所述核心形成复合圆柱体，；Step A: Prepare multiple rectangular polyethylene terephthalate fiber webs with different grid densities, and wind the polyethylene terephthalate fiber web with the largest grid density into a cylinder along the long axis body as the core, and the rest of the polyethylene terephthalate fiber webs are wound along the long axis into a cylinder to wrap the core layer by layer to form a composite cylinder according to the grid density from large to small. ;
步骤B：将该复合圆柱体的两个自由端进行缝合，使复合圆柱体形成一个闭合环作为所述韧带编织部1。Step B: suturing the two free ends of the composite cylinder so that the composite cylinder forms a closed loop as the ligament braided part 1 .
优选地，还包括如下步骤：Preferably, the following steps are also included:
步骤C：在所述韧带编织部1的一端安装所述牵引线2。Step C: installing the pulling wire 2 at one end of the ligament braided part 1 .
本发明专利的有益效果是，可在使用人工韧带重建人前交叉韧带时，增强人工韧带的固定且增加人工韧带与骨隧道的接触面积，从而促进人工韧带与骨道的愈合，且结构简单，使用方便。在ACL重建手术中，根据需要选择相应长度的带环钮扣钢板与人工韧带的两股骨隧道部间的环袢相连接。当此人工韧带植入骨隧道时，股骨隧道端采用钮扣钢板与人工韧带相连接悬吊固定。因股骨及胫骨隧道部韧带与骨隧道内更大程度地接触面积增大，且韧带内部空间更大（无螺钉挤压），能够达到加强固定的目的。The beneficial effect of the patent of the present invention is that when the artificial ligament is used to reconstruct the human anterior cruciate ligament, the fixation of the artificial ligament can be enhanced and the contact area between the artificial ligament and the bone tunnel can be increased, thereby promoting the healing of the artificial ligament and the bone tunnel, and the structure is simple and easy to use. convenient. In ACL reconstruction surgery, according to the needs, select the corresponding length of the button plate with rings to connect with the loops between the two femoral tunnels of the artificial ligament. When the artificial ligament is implanted into the bone tunnel, the end of the femoral tunnel is suspended and fixed by connecting the button plate with the artificial ligament. Because the contact area between the ligament and the bone tunnel in the femoral and tibial tunnel is increased to a greater extent, and the internal space of the ligament is larger (no screw extrusion), the purpose of strengthening the fixation can be achieved.
附图说明 Description of drawings
通过阅读参照以下附图对非限制性实施例所作的详细描述，本发明的其它特征、目的和优点将会变得更明显：Other characteristics, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:
图1示出根据本发明的一体化环状悬吊人工韧带的结构示意图。Fig. 1 shows a schematic structural diagram of an integrated annular suspension artificial ligament according to the present invention.
具体实施方式 Detailed ways
图1示出根据本发明的一体化环状悬吊人工韧带的结构示意图。具体地，在本实施例中，根据本发明提供的一体化环状悬吊人工韧带，包括韧带编织部1以及牵引线2，其中，所述韧带编织部1为闭合的环形结构，所述牵引线2连接于所述韧带编织部1。所述韧带编织部1可直接与带环钮扣钢板（Endobutton）相连接，植入人体股骨隧道后，所连接的Endobutton钮扣钢板可卡压在股骨隧道口外，对韧带起到悬吊固定作用。Fig. 1 shows a schematic structural diagram of an integrated annular suspension artificial ligament according to the present invention. Specifically, in this embodiment, the integrated annular suspension artificial ligament provided by the present invention includes a ligament braided part 1 and a pulling wire 2, wherein the ligament braided part 1 is a closed ring structure, and the pulling wire The thread 2 is connected to the ligament braid 1 . The ligament braided part 1 can be directly connected with the ring button steel plate (Endobutton). After being implanted in the human femoral tunnel, the connected Endobutton button steel plate can be clamped outside the femoral tunnel mouth to suspend and fix the ligament. .
优选地，所述韧带编制部的相对的两端均为U字型结构、所述相对的两端之间的中间部分相互并拢。一体化环状悬吊人工韧带关于所述两端的中点的连线呈轴对称。Preferably, the opposite ends of the ligament braiding part are U-shaped structures, and the middle parts between the opposite ends are close to each other. The integrated annular suspension artificial ligament is axisymmetric with respect to the line connecting the midpoints of the two ends.
本发明还提供一体化环状悬吊人工韧带的制备方法。The invention also provides a preparation method of the integrated annular suspension artificial ligament.
在本发明的一个实施例中，所述一体化环状悬吊人工韧带的制备方法，包括如下步骤：In one embodiment of the present invention, the preparation method of the integrated annular suspension artificial ligament comprises the following steps:
步骤A：将一长方形聚对苯二甲酸乙二醇酯纤维网沿长轴进行自身卷绕成圆柱体；Step A: winding a rectangular polyethylene terephthalate fiber net into a cylinder along the long axis;
步骤B：将该圆柱体的两个自由端进行缝合，使圆柱体形成一个闭合环作为所述韧带编织部1。Step B: suturing the two free ends of the cylinder so that the cylinder forms a closed loop as the ligament braided part 1 .
优选地，还包括如下步骤：Preferably, the following steps are also included:
步骤C：在所述韧带编织部1的一端安装所述牵引线2。Step C: installing the pulling wire 2 at one end of the ligament braided part 1 .
在本发明的另一个实施例中，所述一体化环状悬吊人工韧带的制备方法，包括如下步骤：In another embodiment of the present invention, the preparation method of the integrated annular suspension artificial ligament includes the following steps:
步骤A：准备多张网格密度不同的长方形聚对苯二甲酸乙二醇酯纤维网，将网格密度最大的聚对苯二甲酸乙二醇酯纤维网沿长轴进行自身卷绕成圆柱体作为核心，其余的所述聚对苯二甲酸乙二醇酯纤维网按照网格密度由大到小依次沿长轴进行自身卷绕成圆柱体以层层包裹住所述核心形成复合圆柱体，；Step A: Prepare multiple rectangular polyethylene terephthalate fiber webs with different grid densities, and wind the polyethylene terephthalate fiber web with the largest grid density into a cylinder along the long axis body as the core, and the rest of the polyethylene terephthalate fiber webs are wound along the long axis into a cylinder to wrap the core layer by layer to form a composite cylinder according to the grid density from large to small. ;
步骤B：将该复合圆柱体的两个自由端进行缝合，使复合圆柱体形成一个闭合环作为所述韧带编织部1。Step B: suturing the two free ends of the composite cylinder so that the composite cylinder forms a closed loop as the ligament braided part 1 .
优选地，还包括如下步骤：Preferably, the following steps are also included:
步骤C：在所述韧带编织部1的一端安装所述牵引线2。Step C: installing the pulling wire 2 at one end of the ligament braided part 1 .
以上对本发明的具体实施例进行了描述。需要理解的是，本发明并不局限于上述特定实施方式，本领域技术人员可以在权利要求的范围内做出各种变形或修改，这并不影响本发明的实质内容。Specific embodiments of the present invention have been described above. It should be understood that the present invention is not limited to the specific embodiments described above, and those skilled in the art may make various changes or modifications within the scope of the claims, which do not affect the essence of the present invention.
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| CN108653811B (en) * | 2017-03-28 | 2021-03-12 | 上海微创医疗器械（集团）有限公司 | Artificial ligament and preparation method thereof |
| CN114305793A (en) * | 2017-07-13 | 2022-04-12 | 李彦林 | Tension reducing thread weaving method for cruciate ligament reconstruction and tension reducing thread thereof |
| CN108125731B (en) * | 2017-12-26 | 2024-06-28 | 复旦大学附属华山医院 | Ankle joint artificial ligament |
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| US4773910A (en) * | 1987-08-17 | 1988-09-27 | Johnson & Johnson Consumer Products, Inc. | Permanent ligament prosthesis |
| GB9929599D0 (en) * | 1999-12-15 | 2000-02-09 | Atlantech Medical Devices Limi | A graft suspension device |
| JP2002065685A (en) * | 2000-08-30 | 2002-03-05 | Ikushi Yamada | Ligament suspending anchor and connecting implement |
| FR2865380B1 (en) * | 2004-01-23 | 2006-03-03 | L A R S Laboratoire D Applic E | METHOD FOR ATTACHING TRACTION WIRES TO THE END OF A PROTHETIC LIGAMENT |
| EP2263608B1 (en) * | 2009-06-19 | 2016-09-07 | Arthrex, Inc. | Bone-tendon-bone suture button construct |
| CN201542777U (en) * | 2009-10-30 | 2010-08-11 | 复旦大学附属华山医院 | artificial ligament |
| CN202875535U (en) * | 2012-10-15 | 2013-04-17 | 复旦大学附属华山医院 | Integrated annular suspended artificial ligament |
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Address after: Room 409, Block B, Building 1, No. 977 Shangfeng Road, Pudong New Area, Shanghai, September 2012 Patentee after: Shanghai Ligetai Biotechnology Co.,Ltd. Address before: Room 409, Block B, Building 1, No. 977 Shangfeng Road, Pudong New Area, Shanghai, September 2012 Patentee before: SHANGHAI LIGETAI BIOLOGICAL TECHNOLOGY Co.,Ltd. |
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Denomination of invention: Integrated circular suspension artificial ligament Granted publication date: 20150722 Pledgee: Baiyu Sub branch of Bank of Shanghai Co.,Ltd. Pledgor: Shanghai Ligetai Biotechnology Co.,Ltd. Registration number: Y2024310000865 |