CN102908212B - Sectional-type annular suspended artificial ligament - Google Patents
Sectional-type annular suspended artificial ligament Download PDFInfo
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- CN102908212B CN102908212B CN201210391701.3A CN201210391701A CN102908212B CN 102908212 B CN102908212 B CN 102908212B CN 201210391701 A CN201210391701 A CN 201210391701A CN 102908212 B CN102908212 B CN 102908212B
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Abstract
The invention provides a sectional-type annular suspended artificial ligament which comprises a femoral end ring loop (1), a first femoral tunnel weaving part (2), a first intra-articular free fiber part (3), a first tibial tunnel weaving part (4), a tibial end ring loop (5), a second tibial tunnel weaving part (6), a second intra-articular free fiber part (7) and a second femoral tunnel weaving part (8) that are connected end to end sequentially to form a ring. The invention further provides a preparation method of the sectional-type annular suspended artificial ligament. The sectional-type annular suspended artificial ligament has the benefits that when the artificial ligament is used to reconstruct a human anterior cruciate ligament, the fixation of the artificial ligament is intensified, and a contact area between the artificial ligament and a bone tunnel is increased, thereby promoting the healing of the artificial ligament and the bone tunnel; and the artificial ligament is simple in structure and convenient to use.
Description
Technical field
The present invention relates to the artificial ligament of implant into body, the artificial ligament be especially connected with button plate, particularly, relate to sectional-type annular suspention artificial ligament and preparation method thereof.
Background technology
At present, the more and comparatively ripe artificial ligament of world clinical application is the LARS artificial ligament of France, this ligament with high tenacity polyethylene terephthalate (PET) for raw material.Within 1994, start to be applied to clinical, within 2004, successfully use at home first, by European CE certification and Chinese SFDA certification.LARS artificial ligament is closed up by polymer fiber net wound on itself to be formed, and is divided into osseous tunnel portion, both sides, middle joint fiber portion and draught line portion, two ends.During LARS artificial ligament implantable bone tunnel, in femur and tibial tunnel, adopt one piece of metallic screw extruding fixing respectively.But, this fixed form not only reduces the contact area of ligament and osseous tunnel, and causes ligament inner space to be reduced because of the extruding of screw to ligament, affects autologous tissue and grows into, osseous tunnel inner bolt at a specified future date easily loosens, and finally causes the failure of artificial ligament.
Summary of the invention
Be unfavorable for ligament and the defect that bone road heals and fixed form is not good for LARS artificial ligament in prior art, the object of this invention is to provide a kind of sectional-type annular suspention artificial ligament.Button plate can be connected according to artificial ligament provided by the invention and increase fixing firmness, and more can increase the contact area of artificial ligament and osseous tunnel, thus promote the healing of ligament and osseous tunnel.
According to an aspect of the present invention, there is provided a kind of sectional-type annular to suspend artificial ligament in midair, comprise head and the tail successively and connect and compose free-fiber portion, the second femoral bone tunnel knit unit in the femur end ring loop of ring-type, the first femoral bone tunnel knit unit, the first intraarticular free-fiber portion, the first tibial tunnel knit unit, tibia end ring loop, the second tibial tunnel knit unit, second joint.
Preferably, also comprise draught line, wherein, described draught line is connected to described tibia end ring loop.
Preferably, described draught line is connected to the midpoint of described tibia end ring loop.
Preferably, described femur end ring loop is made up of femur end free-fiber portion.
Preferably, described femur end ring loop is made up of femur end braided fiber portion.
Preferably, described tibia end ring loop is made up of ligament tibia end free-fiber portion.
Preferably, described tibia end ring loop is made up of ligament tibia end braided fiber portion.
Preferably, along respective centerline direction, the length of described femur end ring loop is 10mm, the length of described first femoral bone tunnel knit unit is 20mm, and the length in described first intraarticular free-fiber portion is 30mm, and the length of described first tibial tunnel knit unit is 25mm, the length of described tibia end ring loop is 10mm, the length of described second tibial tunnel knit unit is 25mm, and in described second joint, the length in free-fiber portion is 30mm, and the length of described second femoral bone tunnel knit unit is 20mm.
According to another aspect of the present invention, also provide a kind of sectional-type annular to suspend the preparation method of artificial ligament in midair, comprise the steps:
Steps A: by a pet fiber net, along its long axis direction, be made as the first free-fiber portion, the first braided fiber portion, the second free-fiber portion, the second braided fiber portion, the 3rd free-fiber portion, the 3rd braided fiber portion, the 4th free-fiber portion, the 4th braided fiber portion, the 5th free-fiber portion successively by its one end to the other end;
Step B: this pet fiber net is carried out wound on itself along major axis and becomes cylinder, described first braided fiber portion is made to be wound into described second tibial tunnel knit unit, described second free-fiber portion is made to be wound into free-fiber portion in described second joint, described second braided fiber portion is made to be wound into described second femoral bone tunnel knit unit, described 3rd free-fiber portion is made to be wound into described femur end ring loop, described 3rd braided fiber portion is made to be wound into described first femoral bone tunnel knit unit, described 4th free-fiber portion is made to be wound into described first intraarticular free-fiber portion, described 4th braided fiber portion is made to be wound into described first tibial tunnel knit unit,
Step C: by the doubling centered by described femur end ring loop of described cylinder, close up corresponding with the second femoral bone tunnel knit unit for described first femoral bone tunnel knit unit, described first intraarticular free-fiber portion is closed up with free-fiber portion is corresponding in second joint, closes up corresponding with the second tibial tunnel knit unit for described first tibial tunnel knit unit;
Step D: the free end in the free end in described first free-fiber portion and described 5th free-fiber portion is sewed up, makes described cylinder form a closed hoop;
Step e: draw fiber in the midpoint of described tibia end ring loop and be made into described draught line.
According to a further aspect of the invention, also provide a kind of sectional-type annular to suspend the preparation method of artificial ligament in midair, comprise the steps:
Steps A: prepare the pet fiber net that multiple mesh-densities are different, by each Zhang Suoshu pet fiber net, along its long axis direction, be made as the first braided fiber portion 68 of free-fiber portion of braided fiber portion of free-fiber portion 651, first 66, second 67, second, the 3rd free-fiber portion 61, the 3rd braided fiber portion 62, the 4th free-fiber portion 63, the 4th braided fiber portion 64, the 5th free-fiber portion 652 successively by its one end to the other end;
Step B: pet fiber net maximum for mesh-density is carried out wound on itself along major axis and becomes cylinder as core, pet fiber net described in remaining carries out wound on itself along major axis successively become cylinder to wrap described core layer by layer according to mesh-density is descending, wherein:
The fibroreticulate described first braided fiber portion 66 of these PET is made to be wound into described second tibial tunnel knit unit 6, described second free-fiber portion 67 is wound into free-fiber portion 7 in described second joint, described second braided fiber portion 68 is wound into described second femoral bone tunnel knit unit 8, described 3rd free-fiber portion 61 is wound into described femur end ring loop 1, described 3rd braided fiber portion 62 is wound into described first femoral bone tunnel knit unit 2, described 4th free-fiber portion 63 is wound into described first intraarticular free-fiber portion 3, described 4th braided fiber portion 64 is wound into described first tibial tunnel knit unit 4,
Step C: by the doubling centered by described femur end ring loop 1 of described cylinder, close up corresponding with the second femoral bone tunnel knit unit 8 for described first femoral bone tunnel knit unit 2, described first intraarticular free-fiber portion 3 is closed up with free-fiber portion 7 is corresponding in second joint, closes up corresponding with the second tibial tunnel knit unit 6 for described first tibial tunnel knit unit 4;
Step D: the free end in the free end in described first free-fiber portion 651 and described 5th free-fiber portion 652 is sewed up, makes described cylinder form a closed hoop;
Step e: draw fiber in the midpoint of described tibia end ring loop 5 and be made into described draught line 9.
The beneficial effect of patent of the present invention is, can, when using artificial ligament reconstructive people anterior cruciate ligament, strengthen the contact area of the fixing of artificial ligament and increase artificial ligament and osseous tunnel, thus promote the healing in artificial ligament and bone road, and structure be simple, easy to use.In ACL reconstruction operations, the ring loop between two femoral bone tunnel portions of the band button plate of corresponding length and artificial ligament is selected to be connected as required.When this artificial ligament implantable bone tunnel, femoral bone tunnel end adopts button plate to be connected with artificial ligament Suspending fixation.Because of in femur and tibial tunnel portion ligament and osseous tunnel to a greater degree contact area increase, and ligament inner space larger (without screw extruding), can reach the object of strengthening fixing.
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 invention will become more obvious:
Fig. 1 illustrates the structural representation according to sectional-type annular suspention artificial ligament of the present invention;
Fig. 2 illustrates the principle schematic of the preparation method according to sectional-type annular suspention artificial ligament of the present invention.
Detailed description of the invention
Fig. 1 illustrates the structural representation according to sectional-type annular suspention artificial ligament of the present invention.Particularly, in the present embodiment, according to sectional-type annular provided by the invention suspention artificial ligament, comprise head and the tail successively and connect and compose free-fiber portion 7, second femoral bone tunnel knit unit 8 in femur end ring loop 1, first femoral bone tunnel knit unit 2, first intraarticular free-fiber portion 3, the first tibial tunnel knit unit 4 of ring-type, tibia end ring loop 5, second tibial tunnel knit unit 6, second joint.Described sectional-type annular suspention artificial ligament also comprises draught line 9, and wherein, described draught line 9 is connected to described tibia end ring loop 5, and described draught line 9 is connected to the midpoint of described tibia end ring loop 5.Described femur end ring loop 1 can directly be connected with band button plate (Endobutton), and after implant into body femoral bone tunnel, the Endobutton button plate connected can block and is pressed in outside femoral bone tunnel mouth, plays Suspending fixation effect to ligament.
More specifically, described femur end ring loop 1 is made up of femur end free-fiber portion; And in a change case, described femur end ring loop 1 is made up of femur end braided fiber portion.Described tibia end ring loop 5 is made up of ligament tibia end free-fiber portion; And in a change case, described tibia end ring loop 5 is made up of ligament tibia end braided fiber portion.
Further, along respective centerline direction, the length of described femur end ring loop 1 is 10mm, the length of described first femoral bone tunnel knit unit 2 is 20mm, the length in described first intraarticular free-fiber portion 3 is 30mm, the length of described first tibial tunnel knit unit 4 is 25mm, the length of described tibia end ring loop 5 is 10mm, the length of described second tibial tunnel knit unit 6 is 25mm, in described second joint, the length in free-fiber portion 7 is 30mm, and the length of described second femoral bone tunnel knit unit 8 is 20mm.
The present invention also provides sectional-type annular to suspend the preparation method of artificial ligament in midair
In one embodiment of the invention, the preparation method of described sectional-type annular suspention artificial ligament, comprises the steps:
Steps A: by a pet fiber net, along its long axis direction, be made as the first braided fiber portion 68 of free-fiber portion of braided fiber portion of free-fiber portion 651, first 66, second 67, second, the 3rd free-fiber portion 61, the 3rd braided fiber portion 62, the 4th free-fiber portion 63, the 4th braided fiber portion 64, the 5th free-fiber portion 652 successively by its one end to the other end;
Step B: this pet fiber net is carried out wound on itself along major axis and becomes cylinder, described first braided fiber portion 66 is made to be wound into described second tibial tunnel knit unit 6, described second free-fiber portion 67 is made to be wound into free-fiber portion 7 in described second joint, described second braided fiber portion 68 is made to be wound into described second femoral bone tunnel knit unit 8, described 3rd free-fiber portion 61 is made to be wound into described femur end ring loop 1, described 3rd braided fiber portion 62 is made to be wound into described first femoral bone tunnel knit unit 2, described 4th free-fiber portion 63 is made to be wound into described first intraarticular free-fiber portion 3, described 4th braided fiber portion 64 is made to be wound into described first tibial tunnel knit unit 4,
Step C: by the doubling centered by described femur end ring loop 1 of described cylinder, close up corresponding with the second femoral bone tunnel knit unit 8 for described first femoral bone tunnel knit unit 2, described first intraarticular free-fiber portion 3 is closed up with free-fiber portion 7 is corresponding in second joint, closes up corresponding with the second tibial tunnel knit unit 6 for described first tibial tunnel knit unit 4;
Step D: the free end in the free end in described first free-fiber portion 651 and described 5th free-fiber portion 652 is sewed up, makes described cylinder form a closed hoop;
Step e: draw fiber in the midpoint of described tibia end ring loop 5 and be made into described draught line 9.
In another embodiment of the present invention, the preparation method of described sectional-type annular suspention artificial ligament, comprises the steps:
Steps A: prepare the pet fiber net that multiple mesh-densities are different, by each Zhang Suoshu pet fiber net, along its long axis direction, be made as the first braided fiber portion 68 of free-fiber portion of braided fiber portion of free-fiber portion 651, first 66, second 67, second, the 3rd free-fiber portion 61, the 3rd braided fiber portion 62, the 4th free-fiber portion 63, the 4th braided fiber portion 64, the 5th free-fiber portion 652 successively by its one end to the other end;
Step B: pet fiber net maximum for mesh-density is carried out wound on itself along major axis and becomes cylinder as core, pet fiber net described in remaining carries out wound on itself along major axis successively become cylinder to wrap described core layer by layer according to mesh-density is descending, wherein:
The fibroreticulate described first braided fiber portion 66 of these PET is made to be wound into described second tibial tunnel knit unit 6, described second free-fiber portion 67 is wound into free-fiber portion 7 in described second joint, described second braided fiber portion 68 is wound into described second femoral bone tunnel knit unit 8, described 3rd free-fiber portion 61 is wound into described femur end ring loop 1, described 3rd braided fiber portion 62 is wound into described first femoral bone tunnel knit unit 2, described 4th free-fiber portion 63 is wound into described first intraarticular free-fiber portion 3, described 4th braided fiber portion 64 is wound into described first tibial tunnel knit unit 4,
Step C: by the doubling centered by described femur end ring loop 1 of described cylinder, close up corresponding with the second femoral bone tunnel knit unit 8 for described first femoral bone tunnel knit unit 2, described first intraarticular free-fiber portion 3 is closed up with free-fiber portion 7 is corresponding in second joint, closes up corresponding with the second tibial tunnel knit unit 6 for described first tibial tunnel knit unit 4;
Step D: the free end in the free end in described first free-fiber portion 651 and described 5th free-fiber portion 652 is sewed up, makes described cylinder form a closed hoop;
Step e: draw fiber in the midpoint of described tibia end ring loop 5 and be made into described draught line 9.
Above specific embodiments of the invention are described.It is to be appreciated that the present invention 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 invention.
Claims (8)
1. a sectional-type annular suspention artificial ligament, it is characterized in that, comprise head and the tail successively and connect and compose free-fiber portion (7), the second femoral bone tunnel knit unit (8) in the femur end ring loop (1) of ring-type, the first femoral bone tunnel knit unit (2), the first intraarticular free-fiber portion (3), the first tibial tunnel knit unit (4), tibia end ring loop (5), the second tibial tunnel knit unit (6), second joint;
Also comprise draught line (9), wherein, described draught line (9) is connected to described tibia end ring loop (5);
Described sectional-type annular suspention artificial ligament prepares as follows:
Steps A: prepare the pet fiber net that multiple mesh-densities are different, by each Zhang Suoshu pet fiber net, along its long axis direction, the first free-fiber portion (651) is made as successively by its one end to the other end, first braided fiber portion (66), second free-fiber portion (67), second braided fiber portion (68), 3rd free-fiber portion (61), 3rd braided fiber portion (62), 4th free-fiber portion (63), 4th braided fiber portion (64), 5th free-fiber portion (652),
Step B: pet fiber net maximum for mesh-density is carried out wound on itself along major axis and becomes cylinder as core, pet fiber net described in remaining carries out wound on itself along major axis successively become cylinder to wrap described core layer by layer according to mesh-density is descending, wherein:
The fibroreticulate described first braided fiber portion (66) of these PET is made to be wound into described second tibial tunnel knit unit (6), described second free-fiber portion (67) is wound into free-fiber portion (7) in described second joint, described second braided fiber portion (68) is wound into described second femoral bone tunnel knit unit (8), described 3rd free-fiber portion (61) is wound into described femur end ring loop (1), described 3rd braided fiber portion (62) is wound into described first femoral bone tunnel knit unit (2), described 4th free-fiber portion (63) is wound into described first intraarticular free-fiber portion (3), described 4th braided fiber portion (64) is wound into described first tibial tunnel knit unit (4),
Step C: by the doubling centered by described femur end ring loop (1) of described cylinder, close up corresponding with the second femoral bone tunnel knit unit (8) for described first femoral bone tunnel knit unit (2), described first intraarticular free-fiber portion (3) is closed up with free-fiber portion (7) are corresponding in second joint, closes up corresponding with the second tibial tunnel knit unit (6) for described first tibial tunnel knit unit (4);
Step D: the free end in the free end in described first free-fiber portion (651) and described 5th free-fiber portion (652) is sewed up, makes described cylinder form a closed hoop;
Step e: draw fiber in the midpoint of described tibia end ring loop (5) and be made into described draught line (9);
Draught line (9) is connected to described tibia end ring loop (5).
2. sectional-type annular suspention artificial ligament according to claim 1, it is characterized in that, described draught line (9) is connected to the midpoint of described tibia end ring loop (5).
3. sectional-type annular suspention artificial ligament according to claim 1, it is characterized in that, described femur end ring loop (1) is made up of femur end free-fiber portion.
4. sectional-type annular suspention artificial ligament according to claim 1, it is characterized in that, described femur end ring loop (1) is made up of femur end braided fiber portion.
5. sectional-type annular suspention artificial ligament according to claim 1, it is characterized in that, described tibia end ring loop (5) is made up of ligament tibia end free-fiber portion.
6. sectional-type annular suspention artificial ligament according to claim 1, it is characterized in that, described tibia end ring loop (5) is made up of ligament tibia end braided fiber portion.
7. sectional-type annular suspention artificial ligament according to claim 1, it is characterized in that, along respective centerline direction, the length of described femur end ring loop (1) is 10mm, the length of described first femoral bone tunnel knit unit (2) is 20mm, the length in described first intraarticular free-fiber portion (3) is 30mm, the length of described first tibial tunnel knit unit (4) is 25mm, the length of described tibia end ring loop (5) is 10mm, the length of described second tibial tunnel knit unit (6) is 25mm, in described second joint, the length of free-fiber portion (7) is 30mm, the length of described second femoral bone tunnel knit unit (8) is 20mm.
8. a preparation method for sectional-type annular suspention artificial ligament, is characterized in that, comprise the steps:
Steps A: prepare the pet fiber net that multiple mesh-densities are different, by each Zhang Suoshu pet fiber net, along its long axis direction, the first free-fiber portion (651) is made as successively by its one end to the other end, first braided fiber portion (66), second free-fiber portion (67), second braided fiber portion (68), 3rd free-fiber portion (61), 3rd braided fiber portion (62), 4th free-fiber portion (63), 4th braided fiber portion (64), 5th free-fiber portion (652),
Step B: pet fiber net maximum for mesh-density is carried out wound on itself along major axis and becomes cylinder as core, pet fiber net described in remaining carries out wound on itself along major axis successively become cylinder to wrap described core layer by layer according to mesh-density is descending, wherein:
The fibroreticulate described first braided fiber portion (66) of these PET is made to be wound into the second tibial tunnel knit unit (6), described second free-fiber portion (67) is wound into free-fiber portion (7) in second joint, described second braided fiber portion (68) is wound into the second femoral bone tunnel knit unit (8), described 3rd free-fiber portion (61) is wound into femur end ring loop (1), described 3rd braided fiber portion (62) is wound into the first femoral bone tunnel knit unit (2), described 4th free-fiber portion (63) is wound into the first intraarticular free-fiber portion (3), described 4th braided fiber portion (64) is wound into the first tibial tunnel knit unit (4),
Step C: by the doubling centered by described femur end ring loop (1) of described cylinder, close up corresponding with the second femoral bone tunnel knit unit (8) for described first femoral bone tunnel knit unit (2), described first intraarticular free-fiber portion (3) is closed up with free-fiber portion (7) are corresponding in second joint, closes up corresponding with the second tibial tunnel knit unit (6) for described first tibial tunnel knit unit (4);
Step D: the free end in the free end in described first free-fiber portion (651) and described 5th free-fiber portion (652) is sewed up, makes described cylinder form a closed hoop;
Step e: draw fiber in the midpoint of described tibia end ring loop (5) and be made into draught line (9);
Draught line (9) is connected to described tibia end ring loop (5).
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| CN201210391701.3A CN102908212B (en) | 2012-10-15 | 2012-10-15 | Sectional-type annular suspended artificial ligament |
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| CN201210391701.3A CN102908212B (en) | 2012-10-15 | 2012-10-15 | Sectional-type annular suspended artificial ligament |
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| CN103190964A (en) * | 2013-04-07 | 2013-07-10 | 复旦大学附属华山医院 | Easy-molded folding suspension type artificial ligament and preparation method thereof |
| CN107174377B (en) * | 2017-06-19 | 2023-07-25 | 上海契斯特医疗科技公司 | Tubular artificial ligament and processing method thereof |
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| CN201542777U (en) * | 2009-10-30 | 2010-08-11 | 复旦大学附属华山医院 | Artificial ligament |
| CN102625680A (en) * | 2009-07-31 | 2012-08-01 | 拉思公司-科学研究与应用实验室 | Prosthetic ligament for transverse fixation, and production method |
| CN202920412U (en) * | 2012-10-15 | 2013-05-08 | 复旦大学附属华山医院 | Sectional-type annular overhanging artificial ligament |
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| US4773910A (en) * | 1987-08-17 | 1988-09-27 | Johnson & Johnson Consumer Products, Inc. | Permanent ligament prosthesis |
| US6599319B2 (en) * | 2001-12-14 | 2003-07-29 | Celanese Advanced Materials, Inc. | Prosthetic ligament |
| US8226715B2 (en) * | 2003-06-30 | 2012-07-24 | Depuy Mitek, Inc. | Scaffold for connective tissue repair |
| US7776039B2 (en) * | 2006-09-25 | 2010-08-17 | Joseph Bernstein | Anterior cruciate ligament tether |
| JP5457544B2 (en) * | 2009-03-31 | 2014-04-02 | アイエムディーエス コーポレイション | Double bundle ACL repair |
| EP2455001B1 (en) * | 2010-11-17 | 2020-07-22 | Arthrex, Inc. | Adjustable suture-button constructs for ligament reconstruction |
| WO2012098419A1 (en) * | 2011-01-20 | 2012-07-26 | Centre National De La Recherche Scientifique | Device for tissue repair |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102625680A (en) * | 2009-07-31 | 2012-08-01 | 拉思公司-科学研究与应用实验室 | Prosthetic ligament for transverse fixation, and production method |
| CN201542777U (en) * | 2009-10-30 | 2010-08-11 | 复旦大学附属华山医院 | Artificial ligament |
| CN202920412U (en) * | 2012-10-15 | 2013-05-08 | 复旦大学附属华山医院 | Sectional-type annular overhanging artificial ligament |
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Effective date of registration: 20160608 Address after: 201209, B, building 409, building 977, 1 Feng Feng Road, Shanghai, Pudong New Area Patentee after: SHANGHAI LIGETAI BIOLOGICAL TECHNOLOGY Co.,Ltd. Address before: 200040 Urumqi Middle Road, Shanghai, No. 12, No. Patentee before: HUASHAN HOSPITAL, FUDAN University |
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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. |