CN108852557A - A kind of fixing piece and fixed system of ligamentaum cruciatum reparation - Google Patents
A kind of fixing piece and fixed system of ligamentaum cruciatum reparation Download PDFInfo
- Publication number
- CN108852557A CN108852557A CN201810651251.4A CN201810651251A CN108852557A CN 108852557 A CN108852557 A CN 108852557A CN 201810651251 A CN201810651251 A CN 201810651251A CN 108852557 A CN108852557 A CN 108852557A
- Authority
- CN
- China
- Prior art keywords
- fixing piece
- passage
- graft
- fixed system
- activity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000000694 effects Effects 0.000 claims abstract description 20
- 210000002303 tibia Anatomy 0.000 claims abstract description 13
- 210000000689 upper leg Anatomy 0.000 claims description 12
- 210000000988 bone and bone Anatomy 0.000 claims description 3
- 239000007787 solid Substances 0.000 abstract description 5
- 239000007943 implant Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 230000009191 jumping Effects 0.000 description 3
- 210000003041 ligament Anatomy 0.000 description 3
- 206010065687 Bone loss Diseases 0.000 description 2
- 230000005526 G1 to G0 transition Effects 0.000 description 2
- 210000003484 anatomy Anatomy 0.000 description 2
- 230000035876 healing Effects 0.000 description 2
- 238000001727 in vivo Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 208000001132 Osteoporosis Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/08—Muscles; Tendons; Ligaments
- A61F2/0811—Fixation devices for tendons or ligaments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/08—Muscles; Tendons; Ligaments
- A61F2/0811—Fixation devices for tendons or ligaments
- A61F2002/0847—Mode of fixation of anchor to tendon or ligament
- A61F2002/0858—Fixation of tendon or ligament between anchor and bone, e.g. interference screws, wedges
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/08—Muscles; Tendons; Ligaments
- A61F2/0811—Fixation devices for tendons or ligaments
- A61F2002/0847—Mode of fixation of anchor to tendon or ligament
- A61F2002/0864—Fixation of tendon or ligament between anchor elements, e.g. by additional screws in the anchor, anchor crimped around tendon
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/08—Muscles; Tendons; Ligaments
- A61F2/0811—Fixation devices for tendons or ligaments
- A61F2002/0876—Position of anchor in respect to the bone
- A61F2002/0882—Anchor in or on top of a bone tunnel, i.e. a hole running through the entire bone
Abstract
The present invention relates to a kind of fixing pieces of ligamentaum cruciatum reparation, to the relatively described first passage activity in limitation end when there is graft the end of multiple bifurcateds to be pierced by from the first passage being opened on shin bone；Fixing piece has the guide pin channel for being connected to its front-end and back-end, and fixing piece has the first side and the second side；On the inner wall that the fixing piece can make its first side that each bifurcated are gradually pressed in first passage in such a way that its front end is gradually inserted first passage, to limit the end with respect to first passage activity；Pawl with multiple interval configurations on second side of the fixing piece, the pawl are skidded off to limit fixing piece after fixing piece is inserted into first passage from first passage.The fixing piece of the application has the advantages that stretching resistance is strong when fixation implant has bifurcated end, and it can avoid interference screw cutting, reverses the problems such as early stage solid failure caused by graft and a variety of causes.The application separately provides a kind of fixed system.
Description
Technical field
The present invention relates to the fixed structures that ligamentaum cruciatum reparation uses, and in particular, to a kind of ligamentaum cruciatum reparation
Fixing piece and fixed system.
Background technique
In Cruciate ligament reconstruction, the fixed form of graft is broadly divided into：It is directly fixed and indirectly fixed.It is directly fixed
Refer to fixed device relatively close to articular surface, fixed generally in tunnel, main representative is interference screw, and fixation refers to fixed dress indirectly
It sets far from articular surface, fixed generally outside tunnel, main representative is that belt loop miniature steel plate and deadman are fixed.Interference screw is one kind
Mode directly fixed in common tunnel, can avoid " bungee jumping effect " and " rain brush effect ", but the fixation side of interference screw
There are still some problems for formula：1, there is the risk of cutting, torsion graft in interference screw, and it may also result in graft positioning
Point displacement；2, expand if there is tunnel or interference screw absorbs, then may cause solid failure；3, for osteoporosis
People, interference screw fix the problem of being likely to occur initial failure.In view of the problems of interference screw, therefore propose this Shen
Please.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of fixing pieces of ligamentaum cruciatum reparation to solve interface spiral shell
Follow closely fixed form there are the problem of.
In order to solve the above technical problems, the present invention provides a kind of fixing piece of ligamentaum cruciatum reparation, in graft
End with multiple bifurcateds limits the relatively described first passage in the end when being pierced by from the first passage being opened on shin bone
Activity；The fixing piece is with its front-end and back-end of connection to lead to when ligamentaum cruciatum is repaired for the guide pin that guide pin passes through
Road, and fixing piece has the first side and the second side；The fixing piece can be gradually inserted first passage by its front end
Mode is pressed in its first side gradually on the inner wall of first passage each bifurcated, to limit the end with respect to first passage
Activity；Pawls with multiple interval configurations on second side of the fixing piece, the pawl is in fixing piece insertion the
Fixing piece is limited behind one channel to skid off from first passage.
Preferably, first side is the left and right sides of fixing piece, second side is the front and rear sides of fixing piece,
And first side and the position of the second side handover are cambered surface.
Preferably, multiple pawls are spaced configuration from up to down.
Preferably, the rear end of the fixing piece has symmetrically arranged a pair of of limiting slot.
Preferably, the front end of the fixing piece is arc surfaced.
Preferably, the front and back extended distance of the fixing piece is 19mm-21mm.
Preferably, first side is the smooth side in surface.
The application separately provides a kind of fixed system of ligamentaum cruciatum reparation, has the first fixing piece and the second fixing piece,
Limitation first end is with respect to femur activity, the second fixing piece when first fixing piece passes through femur to the first end in graft
Limitation the second end is with respect to shin bone activity when passing through shin bone to the second end in graft；The second end is with more
The end of a bifurcated；Second fixing piece is aforementioned described in any item fixing pieces.
Preferably, first fixing piece is flat structure.
Preferably, offering a pair of via hole passed through for the first end on first fixing piece.
By using above-mentioned technical proposal, the present invention can obtain following technical effect：
1, the fixing piece of the application has the advantages that stretching resistance is strong when fixation implant has bifurcated end, and it can avoid
The problems such as early stage solid failure caused by interference screw cutting, torsion graft and a variety of causes；
2, the fixing piece of the application, which can play, squeezes graft, promotes the tendon-bone healing of graft and bone road；
3, the fixed system of the application is fixed in conjunction with stationary phase outside tunnel using in tunnel, can effectively avoid " bungee jumping effect "
" rain brush effect "；
4, the fixed system of the application can reduce bone loss and the length using graft to greatest extent；
5, the fixed system of the application forms the structure of single tunnel two-beam graft at femur end, can analog crossover ligament in vivo
Two-beam anatomical structure.
Detailed description of the invention
Graft is fixed on femur by the fixed system that Fig. 1 to Fig. 3 is painted one embodiment of the application under different perspectives respectively
With post-tibial schematic diagram；
Fig. 4 depicts the fixed system of one embodiment of the application and the schematic diagram of graft relative position；
Fig. 5 depicts the schematic diagram of the first fixing piece of one embodiment of the application；
Fig. 6 and Fig. 7 depicts the schematic diagram of the second fixing piece of one embodiment of the application under different perspectives respectively.
Specific embodiment
To keep the purposes, technical schemes and advantages of embodiment of the present invention clearer, implement below in conjunction with the present invention
The technical solution in embodiment of the present invention is clearly and completely described in attached drawing in mode, it is clear that described reality
The mode of applying is some embodiments of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ability
Domain those of ordinary skill every other embodiment obtained without creative efforts, belongs to the present invention
The range of protection.Therefore, the detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit below and is wanted
The scope of the present invention of protection is sought, but is merely representative of selected embodiment of the invention.
In conjunction with Fig. 1 to Fig. 7, in one embodiment, the fixed system of the application ligamentaum cruciatum reparation includes first solid
Determine part 1 and the second fixing piece 2.As shown in Figure 1 to Figure 4, the first fixing piece 1 passes through 3 time limit of femur to the first end in graft 5
First end processed limits second when passing through shin bone 4 to the second end in graft 5 with respect to 3 activity of femur, the second fixing piece 2
End is with respect to 4 activity of shin bone.The second end is the end with multiple bifurcated 5A.Specifically, first can be offered on shin bone 4
Channel can offer second channel on femur 3, and the both ends of graft 5 are pierced by from first passage and second channel respectively.Transplanting
Object 5 is common takes to other physical feelings to the material as ligamentaum cruciatum substitute.Femur 3 and shin bone 4 be only in diagram
Make to illustrate use, shape and practical femur and shin bone difference.
First fixing piece 1 is flat structure, is substantially in rectangular parallelepiped structure.A pair of of use is offered on first fixing piece 1
The via hole passed through for the first end of graft 5.The size of via hole is, for example, 2*4mm.
Second fixing piece 2 in graft to have the second end of multiple bifurcated 5A from first be opened on shin bone 4
The end is limited when channel is pierced by with respect to first passage activity.In conjunction with Fig. 6 and Fig. 7, the second fixing piece 2 have be connected to its front end and
Rear end to the guide pin channel 2C that passes through when ligamentaum cruciatum is repaired for guide pin, and the second fixing piece 2 has the first side S1
With the second side S2.First side S1 is the smooth side in surface.In the present embodiment, the first side S1 is the left and right of fixing piece 2
Two sides, the second side S2 is the front and rear sides of the second fixing piece 2, and the position of the first side S1 and the second side S2 handover is arc
Face.It should be noted that the orientation of the front, back, left, right, up, down of the application define be with illustrate in the second fixing piece 2 it is corresponding
It is identified as reference, only represents the relativeness of each position.
Second fixing piece 2 can make its first side gradually by each point in such a way that its front end is gradually inserted first passage
Fork 5A is pressed on the inner wall of first passage, to limit the second end with respect to first passage activity.First side S1 and second side
The position of portion S2 handover is conducive to the second fixing piece 2 for the design method of cambered surface and is gradually inserted first passage.Second fixing piece 2
Pawl 2A with multiple interval configurations on second side S2, pawl 2A after the second fixing piece 2 is inserted into first passage to limit
Fixing piece 2 processed is skidded off from first passage.The front side of pawl 2A has the guide surface of arc, to facilitate the second fixing piece 2 insertion the
One channel.The surface of the rear side of pawl 2A has certain gradient, so that pawl 2 can limit the second fixing piece 2 and lead to from first
Road skids off.In the present embodiment, multiple pawl 2A are spaced configuration from up to down.
There is symmetrically arranged a pair of of limiting slot 2B, a pair of limiting slot 2B to be located at left and right one for the rear end of second fixing piece 2
To on the first side S1.During the second fixing piece 2 is inserted into first passage, surgical staff passes through clamping device (such as tweezer
Son) part that the second fixing piece 2 is located at a pair of limiting slot 2B is clamped, and then force makes the front end of the second fixing piece 2 gradually
It is inwardly movable to first passage.After the second fixing piece is inserted into first passage, the inner wall of the second fixing piece 2 and first passage retains
Gap corresponding to a pair of limiting slot 2B.
The front end of second fixing piece 2 is arc surfaced, and the second fixing piece 2 can be facilitated to be gradually inserted the first passage of shin bone.
The front and back extended distance of second fixing piece 2 can be 19mm-21mm, for example, 20mm.
Above is the first embodiment of the application, it is understood that under the mentality of designing of the application, actual product
Structure also can be adjusted slightly, and in another embodiment, the first side and the second side can be multiple groups, however it is not limited to the application difference
Opposite two groups.
The second fixing piece of the application has the advantages that stretching resistance is strong when fixation implant has bifurcated end, and its
It can avoid interference screw cutting, reverse the problems such as early stage solid failure caused by graft and a variety of causes.Second fixing piece can
It plays and squeezes graft, promote the tendon-bone healing of graft and bone road.The fixed system of the application, using fixed and tunnel in tunnel
Stationary phase combines outside road, can effectively avoid " bungee jumping effect " and " rain brush effect ".The fixed system of the application, can be maximum
Reduce bone loss and the length using graft.The fixed system of the application forms single tunnel two-beam graft at femur end
Structure, can analog crossover ligament in vivo two-beam anatomical structure.
The foregoing is merely the preferred embodiment of the present invention, are not intended to restrict the invention, for this field
For technical staff, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any
Modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of fixing piece of ligamentaum cruciatum reparation, to be opened in shin certainly in end of the graft with multiple bifurcateds (5A)
First passage on bone (4) limits the relatively described first passage activity in the end when being pierced by；It is characterized in that, the fixing piece
(2) have be connected to its front-end and back-end to when ligamentaum cruciatum is repaired for guide pin by guide pin channel (2C), and fixing piece
(2) there is the first side (S1) and the second side (S2)；The fixing piece (2) can be gradually inserted first passage by its front end
Mode be pressed in its first side gradually each bifurcated (5A) on the inner wall of first passage, to limit the end opposite the
One channel-active；Pawl (2A) with multiple interval configurations on the second side (S2) of the fixing piece (2), the pawl
(2A) is skidded off to limit fixing piece (2) after fixing piece (2) are inserted into first passage from first passage.
2. fixing piece according to claim 1, which is characterized in that first side (S1) is the left and right of fixing piece (2)
Two sides, second side (S2) is the front and rear sides of fixing piece (2), and first side (S1) and the second side (S2) are handed over
The position connect is cambered surface.
3. fixing piece according to claim 1, which is characterized in that multiple pawls (2A) are spaced configuration from up to down.
4. fixing piece according to claim 1, which is characterized in that the rear end of the fixing piece (2) has symmetrically arranged
A pair of of limiting slot (2B).
5. fixing piece according to claim 1, which is characterized in that the front end of the fixing piece (2) is arc surfaced.
6. fixing piece according to claim 1, which is characterized in that the front and back extended distance of the fixing piece (2) is 19mm-
21mm。
7. fixing piece according to claim 1, which is characterized in that first side (S1) is the smooth side in surface.
8. a kind of fixed system of ligamentaum cruciatum reparation has the first fixing piece (1) and the second fixing piece (2), first is fixed
Limitation first end is used with respect to femur activity, the second fixing piece (2) when part (1) passes through femur to the first end in graft
With the opposite shin bone activity of limitation the second end when the second end of graft passes through shin bone；The second end is with multiple
The end of bifurcated；It is characterized in that, second fixing piece is the described in any item fixing pieces of claim 1 to 7.
9. fixed system according to claim 8, which is characterized in that first fixing piece (1) is flat structure.
10. fixed system according to claim 8, which is characterized in that offer a pair of of use on first fixing piece (1)
The via hole passed through for the first end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810651251.4A CN108852557A (en) | 2018-06-22 | 2018-06-22 | A kind of fixing piece and fixed system of ligamentaum cruciatum reparation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810651251.4A CN108852557A (en) | 2018-06-22 | 2018-06-22 | A kind of fixing piece and fixed system of ligamentaum cruciatum reparation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108852557A true CN108852557A (en) | 2018-11-23 |
Family
ID=64340437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810651251.4A Pending CN108852557A (en) | 2018-06-22 | 2018-06-22 | A kind of fixing piece and fixed system of ligamentaum cruciatum reparation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108852557A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020118509A1 (en) * | 2018-12-11 | 2020-06-18 | 高雄医学大学 | Cruciate ligament suspensed internal lock fixator |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1276712A (en) * | 1997-08-19 | 2000-12-13 | 拜奥恩克斯移植有限公司 | Bone block fixation implant |
| US20020007182A1 (en) * | 1998-08-19 | 2002-01-17 | Kim Andrew C. | Anterior cruciate ligament reconstruction hamstring tendon fixation system |
| CN102711637A (en) * | 2010-01-27 | 2012-10-03 | 斯博特威尔丁股份有限公司 | Method of fastening a tissue or a corresponding prosthetic element in an opening provided in a human or animal bone and fastener suitable for the method |
| CN203220425U (en) * | 2013-04-12 | 2013-10-02 | 黄建明 | Reinforced internal fixing system for cruciate ligament |
| CN103690229A (en) * | 2013-12-30 | 2014-04-02 | 吕宏升 | Compression fixing nail for single-tunnel double-bundle reconstruction of cruciate ligaments |
| CN209154105U (en) * | 2018-06-22 | 2019-07-26 | 黄建明 | A kind of fixing piece and fixed system of ligamentaum cruciatum reparation |
-
2018
- 2018-06-22 CN CN201810651251.4A patent/CN108852557A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1276712A (en) * | 1997-08-19 | 2000-12-13 | 拜奥恩克斯移植有限公司 | Bone block fixation implant |
| US20020007182A1 (en) * | 1998-08-19 | 2002-01-17 | Kim Andrew C. | Anterior cruciate ligament reconstruction hamstring tendon fixation system |
| CN102711637A (en) * | 2010-01-27 | 2012-10-03 | 斯博特威尔丁股份有限公司 | Method of fastening a tissue or a corresponding prosthetic element in an opening provided in a human or animal bone and fastener suitable for the method |
| CN203220425U (en) * | 2013-04-12 | 2013-10-02 | 黄建明 | Reinforced internal fixing system for cruciate ligament |
| CN103690229A (en) * | 2013-12-30 | 2014-04-02 | 吕宏升 | Compression fixing nail for single-tunnel double-bundle reconstruction of cruciate ligaments |
| CN209154105U (en) * | 2018-06-22 | 2019-07-26 | 黄建明 | A kind of fixing piece and fixed system of ligamentaum cruciatum reparation |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020118509A1 (en) * | 2018-12-11 | 2020-06-18 | 高雄医学大学 | Cruciate ligament suspensed internal lock fixator |
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