CN103211643A - Anchor kit for fixing ligament - Google Patents
Anchor kit for fixing ligament Download PDFInfo
- Publication number
- CN103211643A CN103211643A CN2012100155751A CN201210015575A CN103211643A CN 103211643 A CN103211643 A CN 103211643A CN 2012100155751 A CN2012100155751 A CN 2012100155751A CN 201210015575 A CN201210015575 A CN 201210015575A CN 103211643 A CN103211643 A CN 103211643A
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- holdfast
- ligament
- gland
- external member
- hole
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Abstract
The invention discloses an anchor kit for fixing a ligament. The anchor kit comprises a pressing sleeve and an anchor which is internally equipped in the pressing sleeve, wherein the pressing sleeve is in a structure of a conical threaded sleeve body, the lower part of the sleeve body is of a longitudinal split structure, and the upper part of the sleeve body is connected; the anchor is in a structure of a conical threaded body, and a hole which is used for turning the anchor is formed inside the conical threaded body; and both the pressing sleeve and the anchor are made from absorbable materials. When the anchor kit for fixing the ligament, disclosed by the invention, is used during an operation, the anchor is screwed in the pressing sleeve, and the ligament is fixed by using the pressing sleeve and the pressure of a bone tunnel; according to the anchor kit, the traditional stitching is canceled, the physical fixation is changed into biological fixation at an early stage of the operation, the risks that the ligament is lacerated by a stitching line and the stitching line ruptures are avoided, and the success rate of the operation is increased; due to the fixation manner, the ligament and the bone tunnel are enabled to be combined closely and grow, and a nodule is formed quickly, so that the recovery time is shortened, and meanwhile, the injury to tissue is avoided; and the absorbable materials are utilized, so that the secondary operation is avoided, and the sufferings and economic pressure of patients are reduced.
Description
Technical field
The present invention relates to the ligament repair articles for use, particularly, relate to that a kind of ligament is fixing uses the holdfast external member, be particularly useful for the reparation of ligamentaum cruciatum.
Background technology
Rebuild in the treatment operation at original ligament, the doctor obtains the reconstruction of patient's ligament function by implanting the band wire holdfast, is used for treating the patient of cruciate ligaments of knee joint operation, and knee joint function is recovered.As shown in Figure 1, 2, the band wire holdfast is made up of holdfast 1 and suture 2, after holdfast is implanted, by suture connect, fixing ligament, fully by the strength of suture in support.The holdfast material mostly is titanium alloy, also wants second operation to take out holdfast after the rehabilitation.
Though band wire holdfast syndesmopexy is more commonly used, repair at shoulder sleeve, the boat moon ligament rebuild, little joint such as biceps tendon is fixing and little, the stressed little joint effect of range of activity be better, but in big, the stressed big big joint of range of activity such as kneed ligamentaum cruciatum, in operation, just have the risk of suture tears ligament, suture fracture in early days, influence post-operative recovery, even operative failure.After the operation on ligament rehabilitation, also want second operation to take out holdfast, increased patient's misery and economic pressures.
Summary of the invention
The objective of the invention is to overcome the shortcoming and defect of above-mentioned prior art, provide the low ligament of a kind of operation risk the fixing holdfast external member of using.
For achieving the above object, the present invention is by the following technical solutions:
A kind of ligament is fixing use the holdfast external member, comprises that gland is assigned in the holdfast of described gland in reaching; Described gland is a tapered tread cover body structure, and body structure, top connect in order vertically to divide, the top is provided with and is beneficial to the hole that bone is grown in the bottom of tapered tread body; Described holdfast is the tapered tread body structure, and the inside of tapered tread body is provided with the hole that is used to rotate holdfast, and the top of tapered tread body also is provided with and is beneficial to the hole that bone is grown into, and this hole is connected with the hole that is used to rotate holdfast.
Further, each the vertical neighboring edge place of body structure and gland top of neighboring edge place correspondence divided, described gland bottom is provided with the wing limit that can outwards stretch.
Further, the thickness of described gland is 0.3-0.5mm, and the spacing of described screw thread is 2mm.
Further, described gland bottom is vertical split indent arcuate structure of 4 five equilibriums.
Further, the screw thread of described gland and holdfast is the evagination helix, and with each joint face rounding off, the crest of evagination helix is fillet structure.
Further, the junction curve of described crest is streamlined.
Further, the hole that is used to rotate holdfast in the described holdfast tapered tread body axially is provided with along holdfast, and the cross section in this hole is a hexagon.
Further, described holdfast and gland all use absorbable material.
Further, described holdfast uses PLA PLA absorbable material or TCP phosphate tricalcium artificial bone material.
Further, described gland uses PLA PLA absorbable material.
Compared with prior art, the present invention has following beneficial effect:
The present invention has cancelled traditional suture, becomes biological fixation by physical fixation in early days in the operation, and the risk that has not had suture tears ligament, suture to rupture has improved success rate of operation; This fixed form makes ligament combine closely, grow with the bone road, and very fast formation tuberosity, has shortened recovery time, has also avoided the damage to tissue simultaneously; Utilize absorbable material, avoid second operation, reduced patient's misery and economic pressures.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Fig. 1 is a band wire anchor structure sketch map of the prior art;
Fig. 2 is the I portion enlarged drawing among Fig. 1;
Fig. 3 is the gland master TV structure sketch map in the holdfast external member of the present invention;
Fig. 4,5,6 is respectively A-A, B-B, the C-C place profile among Fig. 3;
Fig. 7 is the II portion enlarged drawing among Fig. 3;
Fig. 8 looks up structural representation for the gland in the holdfast external member of the present invention;
Fig. 9 is the holdfast master TV structure sketch map in the holdfast external member of the present invention;
Figure 10 is the III portion structure for amplifying sketch map among Fig. 9;
Figure 11 looks up structural representation for the holdfast in the holdfast external member of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in qualification the present invention.
Ligament of the present invention is fixing uses the holdfast external member, comprises gland (shown in Fig. 3-8) and the holdfast (shown in Fig. 9-11) that is used with gland inside.Gland is a tapered tread cover body structure, and body structure, top connect in order vertically to divide, the top is provided with and is beneficial to the hole that bone is grown in the bottom of tapered tread body; Holdfast is the tapered tread body structure, and the inside of tapered tread body is provided with the hole that is used to rotate holdfast, and the top of tapered tread body also is provided with and is beneficial to the hole that bone is grown into, and this hole is connected with the hole that is used to rotate holdfast.Ligament or alternative ligament soft tissue are uniformly distributed in bone road circumference, gland places the ligament inboard, utilize the hole that is used to rotate holdfast of holdfast inside holdfast can be screwed in gland, threaded engagement by gland and holdfast screws, because gland connects following minute conical sleeve body structure on adopting, progressively finish the fixing of ligament simultaneously by constantly screwing holdfast.The top of gland and holdfast is equipped with the hole in addition, is convenient to that bone is grown into and recovery process.
The gland bottom each vertically divide the neighboring edge place of body structure and the gland top of neighboring edge place correspondence to be provided with the wing limit (shown in Fig. 4,5,6,8) that can outwards stretch, in screwing the process of holdfast, the outside gradually dilatancy of the indent arcuate structure on each of gland bottom vertical split indent arcuate structure and top, and the wing limit that is connected with the indent arc is unfolded, be deformed into a bigger arc together, make the bone road in conjunction with ligament being formed 360 ° of extruding, so that fixing ligament better.
In order to unfold the needs of distortion in wing limit, preferred gland thickness is 0.3-0.5mm, and flight pitch is 2mm.
The gland bottom is vertical split indent arcuate structure of 4 five equilibriums, is beneficial to disperse and transmission pressure to the ligament of circumference.
The screw thread of gland and holdfast is the evagination helix, and with each joint face rounding off, the crest of evagination helix is fillet structure; The junction curve of crest is streamlined.Holdfast cooperates with the inside of the evagination helix of gland by its surperficial screw thread, and the evagination helix structure of gland more helps compressing ligament.Simultaneously, because the crest of evagination helix is fillet structure, when the extruding ligament, can avoid damage to ligament tissue.
The intravital hole of holdfast tapered tread is used for holdfast screwed and enters gland, and this hole axially is provided with along holdfast, and the cross section in comparatively preferred hole is a hexagon.
For fear of second operation, reduce patient's misery and economic pressures, the material of holdfast and gland is all selected absorbable material for use, and wherein holdfast uses PLA PLA absorbable material or TCP phosphate tricalcium artificial bone material; Gland uses PLA PLA absorbable material.
Utilize that above-mentioned ligament is fixing to carry out ligament repair when performing the operation (when kneed ligamentaum cruciatum is undergone surgery) with the holdfast external member, end with ligament or autotransplantation ligament, put into ready-made bone road, and be deployed in around the bone road, in the gland implantable bone road, and ligament is placed between bone road and the gland uniformly, then holdfast is screwed in gland, utilize the pressure fixing ligament in gland and bone road, make ligament combine closely, grow with the bone road, and the formation tuberosity, also avoided damage simultaneously to tissue; Absorbable material is absorbed by the body after recovery gradually, does not need the taking-up implant of performing the operation once more.
It should be noted that at last: the above only is the preferred embodiments of the present invention, be not limited to the present invention, although the present invention is had been described in detail with reference to previous embodiment, for a person skilled in the art, it still can be made amendment to the technical scheme that previous embodiment is put down in writing, and perhaps part technical characterictic wherein is equal to replacement.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a ligament is fixing use the holdfast external member, it is characterized in that, comprises that gland is assigned in the holdfast of described gland in reaching;
Described gland is a tapered tread cover body structure, and body structure, top connect in order vertically to divide, the top is provided with and is beneficial to the hole that bone is grown in the bottom of tapered tread body;
Described holdfast is the tapered tread body structure, and the inside of tapered tread body is provided with the hole that is used to rotate holdfast, and the top of tapered tread body also is provided with and is beneficial to the hole that bone is grown into, and this hole is connected with the hole that is used to rotate holdfast.
2. ligament according to claim 1 is fixing uses the holdfast external member, it is characterized in that, described gland bottom each vertically divide the neighboring edge place of body structure and the gland top of neighboring edge place correspondence to be provided with the wing limit that can outwards stretch.
3. ligament according to claim 2 is fixing uses the holdfast external member, it is characterized in that the thickness of described gland is 0.3-0.5mm, and the spacing of described screw thread is 2mm.
4. ligament according to claim 3 is fixing uses the holdfast external member, it is characterized in that described gland bottom is vertical split indent arcuate structure of 4 five equilibriums.
5. fix according to claim 1,2,3 or 4 described ligaments and use the holdfast external member, it is characterized in that the screw thread of described gland and holdfast is the evagination helix, with each joint face rounding off, the crest of evagination helix is fillet structure.
6. ligament according to claim 5 is fixing uses the holdfast external member, it is characterized in that the junction curve of described crest is streamlined.
7. ligament according to claim 5 is fixing uses the holdfast external member, it is characterized in that, the hole that is used to rotate holdfast in the described holdfast tapered tread body axially is provided with along holdfast, and the cross section in this hole is a hexagon.
8. ligament according to claim 1 is fixing uses the holdfast external member, it is characterized in that described holdfast and gland all use absorbable material.
9. ligament according to claim 8 is fixing uses the holdfast external member, it is characterized in that described holdfast uses PLA PLA absorbable material or TCP phosphate tricalcium artificial bone material.
10. ligament according to claim 8 is fixing uses the holdfast external member, it is characterized in that, described gland uses PLA PLA absorbable material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100155751A CN103211643A (en) | 2012-01-18 | 2012-01-18 | Anchor kit for fixing ligament |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100155751A CN103211643A (en) | 2012-01-18 | 2012-01-18 | Anchor kit for fixing ligament |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103211643A true CN103211643A (en) | 2013-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100155751A Pending CN103211643A (en) | 2012-01-18 | 2012-01-18 | Anchor kit for fixing ligament |
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| CN (1) | CN103211643A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107260240A (en) * | 2016-04-08 | 2017-10-20 | 北京瑞朗泰科医疗器械有限公司 | Medical holdfast |
| CN110051455A (en) * | 2019-05-27 | 2019-07-26 | 重庆凝骄生物科技有限公司 | Artificial ligament |
| CN113440193A (en) * | 2021-05-13 | 2021-09-28 | 花沐医疗科技(上海)有限公司 | Composite absorbable interface screw and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060149258A1 (en) * | 2004-12-14 | 2006-07-06 | Sousa Joaquim P G | Surgical tool and method for fixation of ligaments |
| US20080161864A1 (en) * | 2006-09-29 | 2008-07-03 | Depuy Mitek, Inc. | Femoral fixation |
| WO2009154781A1 (en) * | 2008-06-20 | 2009-12-23 | Yale University | Porous expansion bolt |
| US20100161055A1 (en) * | 2003-06-27 | 2010-06-24 | Depuy Mitek, Inc. | Flexible tibial sheath |
| CN201798790U (en) * | 2010-06-24 | 2011-04-20 | 黄华扬 | Medical expansion interface bolt |
-
2012
- 2012-01-18 CN CN2012100155751A patent/CN103211643A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100161055A1 (en) * | 2003-06-27 | 2010-06-24 | Depuy Mitek, Inc. | Flexible tibial sheath |
| US20060149258A1 (en) * | 2004-12-14 | 2006-07-06 | Sousa Joaquim P G | Surgical tool and method for fixation of ligaments |
| US20080161864A1 (en) * | 2006-09-29 | 2008-07-03 | Depuy Mitek, Inc. | Femoral fixation |
| WO2009154781A1 (en) * | 2008-06-20 | 2009-12-23 | Yale University | Porous expansion bolt |
| CN201798790U (en) * | 2010-06-24 | 2011-04-20 | 黄华扬 | Medical expansion interface bolt |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107260240A (en) * | 2016-04-08 | 2017-10-20 | 北京瑞朗泰科医疗器械有限公司 | Medical holdfast |
| CN107260240B (en) * | 2016-04-08 | 2023-10-03 | 北京瑞朗泰科医疗器械有限公司 | Medical anchor |
| CN110051455A (en) * | 2019-05-27 | 2019-07-26 | 重庆凝骄生物科技有限公司 | Artificial ligament |
| CN110051455B (en) * | 2019-05-27 | 2023-11-03 | 中国人民解放军陆军军医大学第一附属医院 | artificial ligament |
| CN113440193A (en) * | 2021-05-13 | 2021-09-28 | 花沐医疗科技(上海)有限公司 | Composite absorbable interface screw and preparation method thereof |
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Application publication date: 20130724 |