CN107753150A - One kind overhauls type belt loop fixed plate - Google Patents
One kind overhauls type belt loop fixed plate Download PDFInfo
- Publication number
- CN107753150A CN107753150A CN201711267994.3A CN201711267994A CN107753150A CN 107753150 A CN107753150 A CN 107753150A CN 201711267994 A CN201711267994 A CN 201711267994A CN 107753150 A CN107753150 A CN 107753150A
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- fixed plate
- fixing
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- opening portion
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- 238000005452 bending Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 6
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 210000000988 bone and bone Anatomy 0.000 abstract description 17
- 210000003041 ligament Anatomy 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 4
- 238000007596 consolidation process Methods 0.000 description 3
- 210000002435 tendon Anatomy 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 210000000689 upper leg Anatomy 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Abstract
The invention discloses a kind of belt loop fixed plate, particularly one kind to overhaul type belt loop fixed plate, belongs to Cruciate ligament reconstruction technical field.Overhauling type belt loop fixed plate includes the first fixed plate (1), the second fixed plate (2) and connecting line (3), is connected between the first fixed plate (1) and the second fixed plate (2) by connecting line (3).Opened up in the middle part of first fixed plate (1) fluted (101), the middle part of groove (101), which is run through, offers threading hole (102).The length of groove (101) is more than the length of the second fixed plate (2), and the depth of groove (101) is not less than the thickness of the second fixed plate (2).The present invention can increase the contact area of fixed plate and cortex bone, improve fixed plate stability, reduce the probability of fixed failure.
Description
Technical field
The present invention relates to a kind of belt loop fixed plate, particularly one kind to overhaul type belt loop fixed plate, belongs to Cruciate ligament reconstruction
Technical field.
Background technology
Belt loop fixed plate fixing means is technology in a kind of mirror in ACL reconstruction operations (i.e. Cruciate ligament reconstruction art).Should
Method is not required to additional ectocondyle lateral incision, tendon graft upper end that just can be by both ends without bone piece using built-in belt loop fixed plate
It is securely fixed in femur side seam road, is to win tendon etc. currently with semitendinosus tendon, stock to rebuild ACL skills without bone piece graft
One kind in art.When femur Duan Gu roads are relatively large in diameter, if the fixation board size of installation is less than normal to will result in fixed plate not
It is stable, abrasion bone road, cause operative failure.
The content of the invention
It is an object of the present invention to provide one kind to overhaul type belt loop fixed plate, and the present invention can increase fixed plate and cortex
The contact area of bone, fixed plate stability is improved, reduce the probability of fixed failure.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：
One kind, which overhauls type belt loop fixed plate, includes the first fixed plate, the second fixed plate and connecting line, first fixed plate
It is connected between the second fixed plate by connecting line.Fluted, the middle part of the groove is opened up in the middle part of first fixed plate
Through offering threading hole.The length of second fixed plate described in the length ＞ of the groove, depth >=described of the groove
The thickness of two fixed plates.In cruciate ligament reconstruction surgery, because the second of script fixes that board size is too small easily comes off, cause
Graft, which comes off, wears bone road.In revision procedure, in the first fixed plate of outside socket of the second fixed plate, i.e., second is fixed
Plate is placed in the groove of the first fixed plate, the first fixed plate is embedded in the second fixed plate and is used together, plays consolidation effect,
Improve fixed environment.
Through offering fixing hole A and fixing hole B, the fixing hole A is parallel with fixing hole B in the second foregoing fixed plate
Arrangement.
Through opening portion is offered, the opening portion includes the first opening portion and second for one end of the first foregoing fixed plate
Opening portion.One end of wherein described first opening portion connects with threading hole bottom, and the other end of the first opening portion extends to recessed
Groove bottom.One end of second opening portion connects with groove bottom, and the other end of the second opening portion extends to first and consolidated
Fixed board bottom.I.e. described threading hole interconnects with the first opening portion, and the first opening portion interconnects with the second opening portion.
Foregoing type belt loop fixed plate of overhauling also includes drag wire, and one end of the drag wire is placed in outside the second fixed plate
Portion, the other end of drag wire sequentially pass through fixing hole A, threading hole.
Foregoing connecting line includes the first fixing line and the second fixing line, wherein one end of first fixing line is placed in
Outside two fixed plates, the other end of the first fixing line is bent after sequentially passing through fixing hole A, threading hole, and first after bending is fixed
Line sequentially passes through threading hole, fixing hole A again；That is bending is again after the first fixing line sequentially passes through the second fixed plate, the first fixed plate
The first fixed plate, the second fixed plate are worn back, the both ends of the first fixing line are placed in the outside of the second fixed plate.Described second is solid
One end of alignment is placed in outside the second fixed plate, and the other end of the second fixing line is bent after sequentially passing through fixing hole B, threading hole,
The second fixing line after bending sequentially passes through threading hole, fixing hole B again.That is the second fixing line sequentially passes through the second fixed plate,
The first fixed plate, the second fixed plate are worn back in bending again after one fixed plate, and the both ends of the second fixing line are placed in the second fixed plate
Outside.
Foregoing overhauls type belt loop fixed plate, passes through the first fixing line and the second fixing line of bending bent after threading hole
Intersect in " cross ", the first fixing line after intersection sequentially passes through threading hole, fixing hole A, and the second fixing line after intersection again
Sequentially pass through threading hole, fixing hole B.
The foregoing one end of the first fixed plate away from opening portion, which is run through, offers through hole.The both ends of second fixed plate are each
Through a through hole is offered, the fixing hole A and fixing hole B are placed between two through holes.The arrangement of through hole, reduces first
The material usage of fixed plate and the second fixed plate.
Further, the length of the first foregoing fixed plate is 19~22 ㎜, and width is 4~7 ㎜, and thickness is 1.5~2.5
㎜.The length of the groove is 12~15 ㎜, and width is 3.5~5 ㎜, and depth is 0.8~1.5 ㎜.The length of the threading hole
For 6~7.5 ㎜, width is 1.6~2 ㎜, and thickness is 0.8~1.2 ㎜.The opening of first opening portion and the second opening portion is wide
Spend identical, be 0.4~0.7 ㎜.The length of second fixed plate is 12~14 ㎜, and width is 3~4.5 ㎜, thickness 1.5
~2 ㎜, the distance of center circle between the fixing hole A and fixing hole B are 3.5 ㎜.
Beneficial, the first foregoing fixed plate and the material of the second fixed plate are titanium alloy, the connecting line and drawing
Line is suture.
A kind of application method for overhauling type belt loop fixed plate, type belt loop fixed plate, including following step are overhauled using foregoing
Suddenly：1) graft is penetrated into the first fixing line and doubling after the wire loop of the second fixing line right-angled intersection formation, uses suture
Bound, then drag wire drives graft and the movement of the second fixed plate to be placed in the cortex bone outside bone road；If 2)
Two fix that board size is too small easily comes off, and cause graft to come off and cause to fix failure, so as to carry out revision procedure, for the first time or
During revision procedure, after the second fixed plate of belt loop fixed plate first is pulled out into bone road, then drag wire and connecting line passed sequentially through the
The second opening portion, the first opening portion of one fixed plate are placed in threading hole；3) by adjusting connecting line, the second fixed plate is sunk to
In the groove of first fixed plate, the first fixed plate and the second fixed plate are fixed in the cortex bone outside bone road, tense connecting line
Afterwards, then knotted, unnecessary connecting line is cut；First fixed plate is embedded in the second fixed plate and is used together, is played
Consolidation effect, improve fixed environment.
Compared with prior art, the present invention is advantageous in that：In cruciate ligament reconstruction surgery, due to the of script
Two fix that board size is too small easily comes off, and in first or revision procedure, the first fixed plate is embedded in into one with the second fixed plate
Rise and use, increase the contact area of fixed plate and cortex bone, improve fixed plate stability, improve the fixed effect of the second fixed plate
Fruit, improve fixed environment, reduce the probability of fixed failure；
Through through hole is offered, the both ends of the second fixed plate, which are respectively run through, to be offered for the one end of first fixed plate away from opening portion
One through hole, the arrangement of through hole reduce the material usage of the first fixed plate and the second fixed plate.
Brief description of the drawings
Fig. 1 is the structural representation of the first fixed plate in the present invention；
Fig. 2 is the structural representation of the second fixed plate in the present invention；
Fig. 3 is the structural representation of the present invention；
Fig. 4 is the structural representation in embodiments of the invention.
The implication of reference：The fixed plates of 1- first, 101- grooves, 102- threading holes, 103- opening portions, 1031- first
Opening portion, the opening portions of 1032- second, the fixed plates of 2- second, 201- fixing holes A, 202- fixing hole B, 3- connecting line, 301- first
Fixing line, the fixing lines of 302- second, 4- drag wires, 5- through holes, 6- threading holes bottom, 7- grooves bottom, 8- first are fixed
Plate bottom.
The present invention is further illustrated with reference to the accompanying drawings and detailed description.
Embodiment
Embodiments of the invention 1：As Figure 1-Figure 4, one kind, which overhauls type belt loop fixed plate, includes the first fixed plate 1, the
Two fixed plates 2 and connecting line 3, it is connected between the first fixed plate 1 and the second fixed plate 2 by connecting line 3.First fixed plate 1
Middle part opens up fluted 101, and the middle part of groove 101, which is run through, offers threading hole 102.The length of groove 101 is more than second and fixed
The length of plate 2, the depth of groove 101 are more than the thickness of the second fixed plate 2.One end of first fixed plate 1, which is run through, offers opening
Portion 103, opening portion 103 include the first opening portion 1031 and the second opening portion 1032.Wherein one end of the first opening portion 1031 with
Threading hole bottom 6 connects, and the other end of the first opening portion 1031 extends to groove bottom 7.The one of second opening portion 1032
End connects with groove bottom 7, and the other end of the second opening portion 1032 extends to the first fixed plate bottom 8.That is threading hole 102
Interconnected with the first opening portion 1031, the first opening portion 1031 interconnects with the second opening portion 1032.In second fixed plate 2
Through fixing hole A201 and fixing hole B202 is offered, fixing hole A201 and fixing hole B202 is arranged in parallel.The type belt loop of overhauling is consolidated
Fixed board also includes drag wire 4, and one end of drag wire 4 is placed in outside the second fixed plate 2, and the other end of drag wire 4 sequentially passes through admittedly
Determine hole A201, threading hole 102.
Wherein connecting line 3 includes the first fixing line 301 and the second fixing line 302, wherein one end of the first fixing line 301 is put
Outside the second fixed plate 2, the other end of the first fixing line 301 is bent after sequentially passing through fixing hole A201, threading hole 102, curved
The first fixing line 301 after folding sequentially passes through threading hole 102, fixing hole A201 again；I.e. the first fixing line 301 sequentially passes through second
The first fixed plate 1, the second fixed plate 2, the both ends of the first fixing line 301 are worn go back in bending again after fixed plate 2, the first fixed plate 1
It is placed in the outside of the second fixed plate 2.One end of second fixing line 302 is placed in outside the second fixed plate 2, the second fixing line 302
The other end sequentially pass through fixing hole B202, threading hole 102 after bend, the second fixing line 302 after bending sequentially passes through again wears
String holes 102, fixing hole B202.That is bending is worn back again after the second fixing line 302 sequentially passes through the second fixed plate 2, the first fixed plate 1
First fixed plate 1, the second fixed plate 2, the both ends of the second fixing line 302 are placed in the outside of the second fixed plate 2.Specifically,
Intersected by the first fixing line 301 bent after threading hole 102 with the second fixing line 302 bent in " cross ", after intersection
First fixing line 301 sequentially passes through threading hole 102, fixing hole A201 again, and the second fixing line 302 after intersection is sequentially passed through and worn
String holes 102, fixing hole B202.
Further, first one end of fixed plate 1 away from opening portion 103, which is run through, offers through hole 5.Second fixed plate 2
Respectively through a through hole 5 is offered, fixing hole A201 and fixing hole B202 are placed between two through holes 5 at both ends.The cloth of through hole 5
Put, reduce the material usage of the first fixed plate 1 and the second fixed plate 2.The length of first fixed plate 1 is 19~22 ㎜, width
For 4~7 ㎜, thickness is 1.5~2.5 ㎜.The length of the groove 101 is 12~15 ㎜, and width is 3.5~5 ㎜, and depth is
0.8~1.5 ㎜.The length of the threading hole 102 is 6~7.5 ㎜, and width is 1.6~2 ㎜, and thickness is 0.8~1.2 ㎜.It is described
First opening portion 1031 is identical with the A/F of the second opening portion 1032, is 0.4~0.7 ㎜.The length of second fixed plate 2
For 12~14 ㎜, width is 3~4.5 ㎜, and thickness is 1.5~2 ㎜, and the distance of center circle between fixing hole A201 and fixing hole B202 is
3.5㎜.More specifically, the length of the first fixed plate 1 is 19.5 ㎜, and width is 5 ㎜, and thickness is 1.8 ㎜.The length of groove 101
For 13.5 ㎜, width is 4 ㎜, and depth is 0.9 ㎜.The length of threading hole 102 is 6.5 ㎜, and width is 1.9 ㎜, thickness 0.9
㎜.First opening portion 1031 is identical with the A/F of the second opening portion 1032, is 0.5 ㎜.The length of second fixed plate 2 is
13 ㎜, width are 3.5 ㎜, and thickness is 1.7 ㎜.The material of first fixed plate 1 and the second fixed plate 2 is titanium alloy, connecting line 3
It is suture with drag wire 4.
Embodiment 2：As Figure 1-Figure 4, one kind, which overhauls type belt loop fixed plate, includes the first fixed plate 1, the second fixed plate 2
With connecting line 3, it is connected between the first fixed plate 1 and the second fixed plate 2 by connecting line 3.The middle part of first fixed plate 1 offers
Groove 101, the middle part of groove 101, which is run through, offers threading hole 102.The length of groove 101 is more than the length of the second fixed plate 2,
The depth of groove 101 is more than or equal to the thickness of the second fixed plate 2.One end of first fixed plate 1, which is run through, offers opening portion
103, opening portion 103 includes the first opening portion 1031 and the second opening portion 1032.Wherein one end of the first opening portion 1031 is with wearing
String holes bottom 6 connects, and the other end of the first opening portion 1031 extends to groove bottom 7.One end of second opening portion 1032
Connected with groove bottom 7, the other end of the second opening portion 1032 extends to the first fixed plate bottom 8.I.e. threading hole 102 with
First opening portion 1031 interconnects, and the first opening portion 1031 interconnects with the second opening portion 1032.
The application method of the present invention, overhauls type belt loop fixed plate using above-mentioned, comprises the following steps：
1) graft is penetrated into the first fixing line and doubling after the wire loop of the second fixing line right-angled intersection formation, with medical seam
Zygonema is bound, and then drag wire drives graft and the movement of the second fixed plate to be placed in the cortex bone outside bone road；
If 2) second fix that board size is too small easily comes off, cause graft to come off and cause to fix failure, so as to carry out
Revision procedure, in first or revision procedure, after the second fixed plate 2 of belt loop fixed plate first is pulled out into bone road, then by drag wire 4
The second opening portion 1032 of the first fixed plate 1 is passed sequentially through with connecting line 3, the first opening portion 1031 is placed in threading hole 102；
3) by adjusting connecting line 3, the second fixed plate 2 is sunk in the groove 101 of the first fixed plate 1, first is fixed
The fixed plate 2 of plate 1 and second is fixed in the cortex bone outside bone road, after tensing connecting line 3, then is knotted, unnecessary connection
Line is cut.First fixed plate 1 is embedded in the second fixed plate 2 and is used together, plays consolidation effect, improves fixed environment.
Claims (9)
1. one kind overhauls type belt loop fixed plate, it is characterised in that including the first fixed plate (1), the second fixed plate (2) and connecting line
(3), it is connected between first fixed plate (1) and the second fixed plate (2) by connecting line (3)；First fixed plate (1)
Middle part opens up fluted (101), and the middle part of the groove (101), which is run through, offers threading hole (102)；The groove (101)
Length is more than the length of second fixed plate (2), and the depth of the groove (101) is not less than second fixed plate (2)
Thickness.
2. according to claim 1 overhaul type belt loop fixed plate, it is characterised in that runs through on second fixed plate (2)
Fixing hole A (201) and fixing hole B (202) are offered, the fixing hole A (201) is arranged in parallel with fixing hole B (202).
3. according to claim 1 or 2 overhaul type belt loop fixed plate, it is characterised in that the one of first fixed plate (1)
Through opening portion (103) is offered, the opening portion (103) includes the first opening portion (1031) and the second opening portion at end
(1032)；One end of wherein described first opening portion (1031) connects with threading hole bottom (6), the first opening portion (1031)
The other end extends to groove bottom (7)；One end of second opening portion (1032) connects with groove bottom (7), and second
The other end of opening portion (1032) extends to the first fixed plate bottom (8).
4. according to claim 3 overhaul type belt loop fixed plate, it is characterised in that also including drag wire (4), the drawing
One end of line (4) is placed in the second fixed plate (2) outside, and the other end of drag wire (4) sequentially passes through fixing hole A (201), threading hole
(102)。
5. according to claim 4 overhaul type belt loop fixed plate, it is characterised in that it is solid that the connecting line (3) includes first
Alignment (301) and the second fixing line (302), wherein one end of first fixing line (301) is placed in the second fixed plate (2) outside
Portion, the other end of the first fixing line (301) sequentially passes through fixing hole A (201), threading hole (102) is bent afterwards, and first after bending
Fixing line (301) sequentially passes through threading hole (102), fixing hole A (201) again；
One end of second fixing line (302) is placed in that the second fixed plate (2) is outside, the other end of the second fixing line (302) according to
Secondary to be bent afterwards through fixing hole B (202), threading hole (102), the second fixing line (302) after bending sequentially passes through threading hole again
(102), fixing hole B (202).
6. according to claim 5 overhaul type belt loop fixed plate, it is characterised in that is bent afterwards by threading hole (102)
First fixing line (301) is intersected with the second fixing line (302) bent in " cross ", and the first fixing line (301) after intersection is again
Threading hole (102), fixing hole A (201) are sequentially passed through, and the second fixing line (302) after intersection sequentially passes through threading hole
(102), fixing hole B (202).
7. according to claim 6 overhaul type belt loop fixed plate, it is characterised in that first fixed plate (1) keeps away
One end of oral area (103), which is run through, offers through hole (5)；The both ends of second fixed plate (2), which are respectively run through, offers a through hole
(5), the fixing hole A (201) and fixing hole B (202) are placed between two through holes (5).
8. according to claim 7 overhaul type belt loop fixed plate, it is characterised in that the length of first fixed plate (1)
For 19~22 ㎜, width is 4~7 ㎜, and thickness is 1.5~2.5 ㎜；The length of the groove (101) is 12~15 ㎜, and width is
3.5~5 ㎜, depth are 0.8~1.5 ㎜；The length of the threading hole (102) is 6~7.5 ㎜, and width is 1.6~2 ㎜, thickness
For 0.8~1.2 ㎜；First opening portion (1031) is identical with the A/F of the second opening portion (1032), be 0.4~
0.7㎜；
The length of second fixed plate (2) is 12~14 ㎜, and width is 3~4.5 ㎜, and thickness is 1.5~2 ㎜, the fixation
Distance of center circle between hole A (201) and fixing hole B (202) is 3.5 ㎜.
9. according to claim 8 overhaul type belt loop fixed plate, it is characterised in that first fixed plate (1) and second
The material of fixed plate (2) is titanium alloy, and the connecting line (3) and drag wire (4) are suture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711267994.3A CN107753150B (en) | 2017-12-05 | 2017-12-05 | Revision belt loop fixing plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711267994.3A CN107753150B (en) | 2017-12-05 | 2017-12-05 | Revision belt loop fixing plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107753150A true CN107753150A (en) | 2018-03-06 |
| CN107753150B CN107753150B (en) | 2024-04-09 |
Family
ID=61277305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711267994.3A Active CN107753150B (en) | 2017-12-05 | 2017-12-05 | Revision belt loop fixing plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107753150B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109009565A (en) * | 2018-08-03 | 2018-12-18 | 西安卓恰医疗器械有限公司 | A kind of ligament reconstructive fixed device and its application method |
| CN111555227A (en) * | 2020-06-09 | 2020-08-18 | 国网冀北电力有限公司秦皇岛供电公司 | Shockproof hammer device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6110207A (en) * | 1996-04-23 | 2000-08-29 | Aesculap Ag & Co. Kg | Implant for securing a tendon replacement member |
| CN102548507A (en) * | 2009-07-02 | 2012-07-04 | 医学嵌入公司暨Imds共同创新公司 | Systems and methods for zipknot acl fixation |
| CN203988174U (en) * | 2014-07-18 | 2014-12-10 | 山东威高骨科材料有限公司 | Adjustable ligamentaum cruciatum reparation, reconstruction attachment device |
| CN104510508A (en) * | 2013-09-27 | 2015-04-15 | 德普伊米特克有限责任公司 | Tissue fixation system with auxiliary plate |
| CN104873258A (en) * | 2014-06-19 | 2015-09-02 | 李照文 | Interspinous stabilizer |
| KR20160087580A (en) * | 2015-01-14 | 2016-07-22 | 중원대학교 산학협력단 | adjustable suture button construct for Anterior Cruciate Ligament reconstruction |
| CN107028683A (en) * | 2017-03-31 | 2017-08-11 | 上海长海医院 | A kind of coracoclavicular ligament reconstructing device |
| CN208447852U (en) * | 2017-12-05 | 2019-02-01 | 运怡（北京）医疗器械有限公司 | One kind overhauling type belt loop fixed plate |
-
2017
- 2017-12-05 CN CN201711267994.3A patent/CN107753150B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6110207A (en) * | 1996-04-23 | 2000-08-29 | Aesculap Ag & Co. Kg | Implant for securing a tendon replacement member |
| CN102548507A (en) * | 2009-07-02 | 2012-07-04 | 医学嵌入公司暨Imds共同创新公司 | Systems and methods for zipknot acl fixation |
| CN104510508A (en) * | 2013-09-27 | 2015-04-15 | 德普伊米特克有限责任公司 | Tissue fixation system with auxiliary plate |
| CN104873258A (en) * | 2014-06-19 | 2015-09-02 | 李照文 | Interspinous stabilizer |
| CN203988174U (en) * | 2014-07-18 | 2014-12-10 | 山东威高骨科材料有限公司 | Adjustable ligamentaum cruciatum reparation, reconstruction attachment device |
| KR20160087580A (en) * | 2015-01-14 | 2016-07-22 | 중원대학교 산학협력단 | adjustable suture button construct for Anterior Cruciate Ligament reconstruction |
| CN107028683A (en) * | 2017-03-31 | 2017-08-11 | 上海长海医院 | A kind of coracoclavicular ligament reconstructing device |
| CN208447852U (en) * | 2017-12-05 | 2019-02-01 | 运怡（北京）医疗器械有限公司 | One kind overhauling type belt loop fixed plate |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109009565A (en) * | 2018-08-03 | 2018-12-18 | 西安卓恰医疗器械有限公司 | A kind of ligament reconstructive fixed device and its application method |
| CN111555227A (en) * | 2020-06-09 | 2020-08-18 | 国网冀北电力有限公司秦皇岛供电公司 | Shockproof hammer device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107753150B (en) | 2024-04-09 |
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