CN107095697A - Flat suture holdfast - Google Patents
Flat suture holdfast Download PDFInfo
- Publication number
- CN107095697A CN107095697A CN201710335732.XA CN201710335732A CN107095697A CN 107095697 A CN107095697 A CN 107095697A CN 201710335732 A CN201710335732 A CN 201710335732A CN 107095697 A CN107095697 A CN 107095697A
- Authority
- CN
- China
- Prior art keywords
- rivet nut
- flat suture
- pull line
- perforate
- threading hole
- 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.)
- Granted
Links
- 239000000463 material Substances 0.000 claims description 11
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 5
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 claims description 5
- 229920002530 polyetherether ketone Polymers 0.000 claims description 5
- 238000001356 surgical procedure Methods 0.000 abstract description 5
- 210000000988 bone and bone Anatomy 0.000 description 15
- 230000008859 change Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- 238000006073 displacement reaction Methods 0.000 description 8
- 210000001519 tissue Anatomy 0.000 description 5
- 229910001069 Ti alloy Inorganic materials 0.000 description 4
- 238000002513 implantation Methods 0.000 description 4
- 208000021945 Tendon injury Diseases 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 239000004626 polylactic acid Substances 0.000 description 3
- 210000004872 soft tissue Anatomy 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 239000007857 degradation product Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 210000003041 ligament Anatomy 0.000 description 2
- 230000002028 premature Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 201000004595 synovitis Diseases 0.000 description 2
- 241001653121 Glenoides Species 0.000 description 1
- 208000024288 Rotator Cuff injury Diseases 0.000 description 1
- 206010039227 Rotator cuff syndrome Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 210000000323 shoulder joint Anatomy 0.000 description 1
- 210000001694 thigh bone Anatomy 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/064—Surgical staples, i.e. penetrating the tissue
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0401—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0482—Needle or suture guides
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/064—Surgical staples, i.e. penetrating the tissue
- A61B2017/0647—Surgical staples, i.e. penetrating the tissue having one single leg, e.g. tacks
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Rheumatology (AREA)
- Surgical Instruments (AREA)
Abstract
The invention provides a kind of flat suture holdfast, rivet nut and pull line are included；The rivet nut includes threading hole；The pull line is located in threading hole to be connected with rivet nut；Pull line and include flat suture, the flat suture is extended to outside rivet nut.The flat suture that the present invention is used increases the contact surface with tissue, prevents from causing incised wound to operation site boundary tissue even doctor's palm in surgical procedure, and add fixing intensity.
Description
Technical field
The present invention relates to surgical equipment, in particular it relates to flat suture holdfast.
Background technology
In recent years, the band line holdfast technology by material of titanium alloy, PEEK and poly-lactic acid material be widely used in soft tissue with
The reparation of bone tissue junction damage, such as：In rotator cuff injury, Glenoid labruminjury, near end of thighbone tendon injury, shoulder joint before and after broad-mouthed receptacle for holding liquid lip
The damage in portion, collateral ulnar ligament damage is rebuild, the tendon injury of bicipital muscle of arm distal end, and ligament reparation between scapholunatum, triangle fiber is soft
Bone Defect Repari, extensor tendon injury repair etc..The similar screw of this kind of hard holdfast is threaded onto the bone tissue needed near fixed position
On, the suture preloaded on holdfast tenses suture by soft tissue and bone tissue surface through the soft tissue for needing to repair by bundling
Contact is fixed, and completes the peripheral doses of damaged tissues.
As the application of hard material holdfast technology is increasingly extensive, there are many defects known to hard material holdfast：Titanium alloy metal
Easily because rejection is inflamed after holdfast implantation, implant site is caused to occur bone dissolving, initiation holdfast loosens, displacement, makes
Into fixed failure.PLA classes can absorb after holdfast implantation may premature breakdown and broken, secondary holdfast displacement causes fixation
Degree declines, and degradation product may cause synovitis, the problems such as bone dissolves.
The band line holdfast of PEEK materials solves the problems such as easily loosening, shift after the implantation of titanium alloy holdfast, also solves
The holdfast of absorbable material plants rupture or premature breakdown after people, and secondary displacement causes fix tightly soundness to decline, and degradation product is easily led
Cause synovitis, the problems such as bone dissolves.In actual applications, band line holdfast behind implantation bone road, it is necessary to doctor by suture with strength
Holdfast outwards is dragged, holdfast axial direction on the one hand can be adjusted, more agree with bone road, on the other hand can in advance eliminate and use
The issuable displacement in bone road of middle holdfast, strengthens fix tightly soundness.But traditional suture diameter is smaller, and cross section is
Circle, doctor is during firmly holdfast is dragged, and circular stitchings may be made to the palm of operation site boundary tissue even doctor
Into incised wound, typical round suture is also easily torn when bearing so big pulling force.
The content of the invention
For defect of the prior art, it is an object of the invention to provide a kind of flat suture holdfast.
The flat suture holdfast provided according to the present invention, includes rivet nut and pull line；
The rivet nut includes threading hole；
The pull line is located in threading hole to be connected with rivet nut；
Pull line and include flat suture, the flat suture is extended to outside rivet nut.
Preferably, the pull line also includes the soft bar of anti-cutting；
The flat suture is connected with the threading hole；
The two ends of flat suture and the two ends of the soft bar of the anti-cutting are respectively connected with.
Preferably, the flat suture passes through the threading hole；
Flat suture joins end to end.
Preferably, the rivet nut is axially disposed perforate, and the perforate in axial direction extends through rivet nut near-end
Face；
The threading hole is arranged on the distal end of perforate.
There are one or more threading holes；
Pull line is worn along threading hole, and extends rivet nut proximal end face along the perforate.
Preferably, the perforate cross sectional shape is rectangle.
Preferably, the threading hole is arranged on the proximal end face of the rivet nut；
There are one or more threading holes.
Preferably, also comprising standby guide wire；
In the presence of one or more standby guide wire；
The standby guide wire is worn with pull line in threading hole；
Separated between standby guide wire and pull line.
Preferably, the rivet nut outer wall is provided with check sheet；
Check sheet stretches out from rivet nut outer wall by following rule：
- along the radial direction away from rivet nut axis；
- along rivet nut distal end to the axial direction of rivet nut near-end.
Preferably, also comprising elastic component and umbrella shape part；
Perforate is provided with the rivet nut, the elastic component is located in perforate；
The pull line can make elastic component deform；
Elastic component is connected with umbrella shape part, and elastic component can drive umbrella shape part to extend across rivet nut outer wall.
Preferably, the rivet nut is made up of PEEK materials.
Compared with prior art, the present invention has following beneficial effect：
1st, the flat suture that the present invention is used increases the contact surface with tissue, prevents in surgical procedure to Surgery
Position perienchyma even doctor's palm causes incised wound, and adds fixing intensity；
2nd, the invention provides standby guide wire, holdfast can not be taken out, directly again in the case where suture is surprisingly broken
Wear a suture；
3rd, elastic component is provided with holdfast, when the power for pulling coil is sufficiently large, holdfast is issuable in use
Displacement is eliminated in advance, while elastic component deform and sends the sound of " click ", and prompting doctor holdfast is in place；
4th, the present invention is provided with umbrella shape part, is driven by elastic component, and umbrella shape part can stretch out outside rivet nut and be contacted with bone cavity,
Increase fix tightly soundness.
Brief description of the drawings
By reading the detailed description made with reference to the following drawings to non-limiting example, further feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is with flat suture holdfast schematic diagram of the soft bar of anti-cutting with perforate；
Fig. 2 is without flat suture holdfast schematic diagram of the soft bar of anti-cutting with perforate；
Fig. 3 is with flat suture holdfast schematic diagram of the soft bar of anti-cutting without perforate；
Fig. 4 is without flat suture holdfast schematic diagram of the soft bar of anti-cutting without perforate；
Fig. 5 is a kind of soft bar schematic diagram of anti-cutting；
Fig. 6 is umbrella shape part rounding state schematic diagram；
Fig. 7 is umbrella shape part softened state schematic diagram.
Shown in figure：
The clasp 211 of rivet nut 1
The flat suture 22 of threading hole 11
The elastic component 3 of perforate 12
The draw ring 31 of check sheet 13
Pull the umbrella shape part 4 of line 2
The soft strut 41 of bar 21 of anti-cutting
Embodiment
With reference to specific embodiment, the present invention is described in detail.Following examples will be helpful to the technology of this area
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that to the ordinary skill of this area
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection domain.
In embodiment, the flat suture holdfast that the present invention is provided includes rivet nut 1 and pull line 2, and rivet nut 1 is by PEEK material systems
It is made into but it is also possible to be the other materials by such as titanium alloy, poly-lactic acid material.As shown in Figures 1 to 4, set in rivet nut 1
There is threading hole 11, pull line 2, which can be passed, to be located in threading hole 11.To solve in surgical procedure, traditional circular seam line easily hurts hand
The problem of art site boundary tissue, the pull line 2 that the present invention is designed includes flat suture 22, increases the contact with tissue
Face.During operation, the hand-held flat soft bar 21 of suture 22 or anti-cutting of doctor increases and pulled the contact area between line 2, so that
Prevent incised wound.To reach the effect above, several change case are divided to be introduced respectively below.
As shown in figure 1, the rivet nut 1 with line holdfast is axially disposed perforate 12, perforate 12 in axial direction extends and passed through
The proximal end face of drift bolt body 1, the distal end of perforate 12 is provided with a threading hole 11, and threading hole 11 is along the radial direction of rivet nut 1 through nail
Guiding groove is provided with body 1, the distal face of rivet nut 1, prevents pull line 2 from departing from when wearing around thread path.Line 2 is pulled by flat
Flush joint line 22 is constituted with the soft two parts of bar 21 of anti-cutting, and flat suture 22 is located in inside rivet nut 1, and two ends extend through rivet nut
1 proximal end face, reaches the outside of rivet nut, two ends of circular seam line 22 continue to extend, and are connected on the soft bar 21 of an anti-cutting respectively
Two ends, during operation, rivet nut 1 reach precalculated position after, the soft bar 21 of the hand-held anti-cutting of doctor outwards drags rivet nut 1, with elimination use
The issuable displacement in bone road of middle rivet nut 1, strengthens fix tightly soundness.The connected mode of flat suture 22 and the soft bar 21 of anti-cutting
Can be direct knot connection or structure as shown in Figure 5, the soft bar 21 of anti-cutting is fabricated into two ends has clasp 211
Handle, the two ends of flat suture 22 are tied up on two clasps 211 respectively.In addition, the soft bar 21 of anti-cutting can also be with axially
The structure of through hole, one end of flat suture 22 passes through after the through hole and knotted with the other end, and the soft bar 21 of anti-cutting is in use
Can relative flat's suture 22 slide, convenient adjustment pulls position.It is further preferred that the soft bar 21 of anti-cutting can also be by soft cloth
Roll to be formed, have adhering fastener mechanism on soft cloth, after the flat knotting of suture 22, directly the soft bar 21 of anti-cutting is enclosed on flat suture 22.
As shown in Fig. 2 in change case, pull line 2 is directly made up of flat suture 22, and flat suture 22 is worn in rivet nut 1
If behind the outsides that rivet nut 1 is extended to along perforate 12, directly two ends being knotted and connected, you can carries out the operation of next step, makes
With conveniently.To cause the process that wears of flat suture 22 to become simpler, can by the Cross section Design of the perforate 12 of rivet nut 1 into
Rectangular shape, matches with the profile of flat suture 22.Certainly, the feature of the square-section of perforate 12 can also be applied to others
In change case, it is further preferred that the cross sectional shape of perforate 12 can also be the other shapes in addition to rectangle, circle, such as just
Pentagon etc..Preferably, pull line 2 wearing mode and can also be changed in rivet nut 1, such as, be provided with rivet nut 1
Two threading holes 11, two threading holes 11 run through rivet nut 1 along the radial direction of rivet nut 1, and along above and below the axial direction of rivet nut 1
Distribution, two threading holes 11 are communicated with perforate 12, and one end of pull line 2 penetrates rivet nut 1 from perforate 12, along wearing for the side of rivet nut 1
String holes 11, which is passed, to be penetrated, then is passed and penetrated along the threading hole 11 of the opposite side of rivet nut 1, finally extends the near of rivet nut 1 along perforate 12
End face.Accordingly, the quantity of threading hole 11 can be one or more, for the purpose of reaching connection of the rivet nut 1 with pull line 2,
But the quantity of threading hole 11 is more, the processing of rivet nut 1 is more complicated, and the difficulty of threading is also bigger.
Change case as shown in Figure 3, Figure 4, the change case that corresponding diagram 1, Fig. 2 are provided respectively, difference is：Fig. 3, Fig. 4 give
There is no perforate 12 in the rivet nut 1 of the change case gone out, threading hole 11 is arranged on the proximal end face of rivet nut 1, the quantity of threading hole 11 with
And the explanation that pull line 2 is worn is as described above.
In surgical procedure, the situation that pull line 2 is pulled off can be often run into, if now taken rivet nut 1 from operative site
Go out threading again again, it will become unusual complexity, therefore the present invention further comprises standby guide wire.Operation consent enters to rivet nut 1
During row threading is operated, one or more standby guide wire is taken together to be worn with pull line 2 in threading hole 11, if hand
Pull line 2 is broken in art, directly pull line 2 can be taken out out of rivet nut 1, divided between standby guide wire and pull line 2
From now one end of standby guide wire being connected with a new pull line 2 again, the other end for holding standby guide wire is simultaneously outside
Extract, guide new pull line 2 to pass through threading hole 11, completion is connected with wearing for rivet nut 1.In addition, to limit rivet nut 1 in bone road
In displacement, in preference, the outer wall of rivet nut 1 is provided with check sheet 13, check sheet 13 from the outer wall of rivet nut 1 by following rule outwards
Extension：Along the radial direction away from the axis of rivet nut 1；Along the distal end of rivet nut 1 to the axial direction of rivet nut near-end.
In preference, the flat suture holdfast that the present invention is provided is also comprising elastic component 3 and umbrella shape part 4, and this feature is present in
Band line holdfast containing perforate 12 in rivet nut 1.Elastic component 3 is arranged in perforate 12, and the two ends of elastic component 3 are arranged on the wall of perforate 12
On face, the upper end of elastic component 3 has draw ring 31, and pull line 2 is connected through draw ring 31 with elastic component 3.The lower end connection of elastic component 3
There is a umbrella shape part 4, elastic component 3 can control umbrella shape part 4 to change between rounding state and softened state both states：Receive
Hold together under state, umbrella shape part 4 is integrally located inside rivet nut 1；Under softened state, the strut 41 of umbrella shape part 4 reaches the outside of rivet nut 1.
For a untapped band line holdfast, internal elastic component 3 is concave shape, and umbrella shape part 4 is in rounding state；Work as elastic component
3 to be changed into convex shape be that umbrella shape part 4 is changed into softened state under the pull effect of pull line 2.Umbrella shape part 4 under softened state,
The bearing of trend of strut 41 is identical with above-mentioned check sheet 13, i.e., strut 41 stretches out from the outer wall of rivet nut 1 by following rule：
Along the radial direction away from the axis of rivet nut 1；Along the distal end of rivet nut 1 to the axial direction of rivet nut near-end.Its act on also with check sheet 13
It is identical, that is, limit displacement of the rivet nut 1 in bone road.The quantity of strut 41 can be one or more, in preference, be provided with
4 or 6 struts 41 are uniformly distributed circumferentially.The elasticity of elastic component 3 need to be sufficiently large, in operation, can make elastic component 3 in doctor
Just it is changed into convex shape from concave shape when rivet nut 1 is dragged outside person in place, sound can be sent during being deformed due to elastic component 3
Sound, can play a part of reminding doctor.If simply needing the function of being reminded certainly, elastic component 3 can individually be carried
Take out and use, the function of umbrella shape part 4 is then completed by check sheet 13.Preferably, the draw ring 31 on elastic component 3 can be connected individually
One bracing wire, the function of the bracing wire be only to make elastic component 3 deform, after rivet nut 1 in place after, pulling bracing wire makes elastic component
3 deformations, drive the state change of umbrella shape part 4, further position of the fixed rivet nut 1 in bone road.
The specific embodiment of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.
Claims (10)
1. a kind of flat suture holdfast, it is characterised in that include rivet nut and pull line；
The rivet nut includes threading hole；
The pull line is located in threading hole to be connected with rivet nut；
Pull line and include flat suture, the flat suture is extended to outside rivet nut.
2. flat suture holdfast according to claim 1, it is characterised in that the pull line also includes the soft bar of anti-cutting；
The flat suture is connected with the threading hole；
The two ends of flat suture and the two ends of the flat suture of the soft bar of the anti-cutting are respectively connected with.
3. flat suture holdfast according to claim 1, it is characterised in that the flat suture passes through the threading hole；
Flat suture joins end to end.
4. the flat suture holdfast according to Claims 2 or 3, it is characterised in that the rivet nut is axially disposed perforate,
The perforate in axial direction extends through rivet nut proximal end face；
The threading hole is arranged on the distal end of perforate.
There are one or more threading holes；
Pull line is worn along threading hole, and extends rivet nut proximal end face along the perforate.
5. flat suture holdfast according to claim 4, it is characterised in that the perforate cross sectional shape is rectangle.
6. the flat suture holdfast according to Claims 2 or 3, it is characterised in that the threading hole is arranged on the rivet nut
Proximal end face on；
There are one or more threading holes.
7. flat suture holdfast according to claim 1, it is characterised in that also comprising standby guide wire；
In the presence of one or more standby guide wire；
The standby guide wire is worn with pull line in threading hole；
Separated between standby guide wire and pull line.
8. flat suture holdfast according to claim 1, it is characterised in that the rivet nut outer wall is provided with check sheet；
Check sheet stretches out from rivet nut outer wall by following rule：
- along the radial direction away from rivet nut axis；
- along rivet nut distal end to the axial direction of rivet nut near-end.
9. flat suture holdfast according to claim 1, it is characterised in that also comprising elastic component and umbrella shape part；
Perforate is provided with the rivet nut, the elastic component is located in perforate；
The pull line can make elastic component deform；
Elastic component is connected with umbrella shape part, and elastic component can drive umbrella shape part to extend across rivet nut outer wall.
10. flat suture holdfast according to claim 1, it is characterised in that the rivet nut is made up of PEEK materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710335732.XA CN107095697B (en) | 2017-05-12 | 2017-05-12 | Flat suture anchor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710335732.XA CN107095697B (en) | 2017-05-12 | 2017-05-12 | Flat suture anchor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107095697A true CN107095697A (en) | 2017-08-29 |
| CN107095697B CN107095697B (en) | 2024-02-06 |
Family
ID=59669483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710335732.XA Active CN107095697B (en) | 2017-05-12 | 2017-05-12 | Flat suture anchor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107095697B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111568522A (en) * | 2020-06-15 | 2020-08-25 | 上海市同济医院 | Tension trabecula reconstruction type proximal femoral intramedullary nail internal fixation device |
| CN112587187A (en) * | 2019-09-17 | 2021-04-02 | 曾永辉 | Minimally invasive vertebral annulus repair device |
| CN113040845A (en) * | 2021-03-11 | 2021-06-29 | 北京中安泰华科技有限公司 | Automatic locking suture anchor reconstruction system |
| CN116138824A (en) * | 2023-01-10 | 2023-05-23 | 北京市春立正达医疗器械股份有限公司 | Anchor and self-locking type belt line anchor |
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