CN106510821A - Orthopedic fixing support and use method thereof - Google Patents

Orthopedic fixing support and use method thereof Download PDF

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Publication number
CN106510821A
CN106510821A CN201611061625.4A CN201611061625A CN106510821A CN 106510821 A CN106510821 A CN 106510821A CN 201611061625 A CN201611061625 A CN 201611061625A CN 106510821 A CN106510821 A CN 106510821A
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Prior art keywords
fixed
fixing
eyelid retractor
cable
fixed block
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CN201611061625.4A
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Chinese (zh)
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不公告发明人
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Individual
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Priority to CN201611061625.4A priority Critical patent/CN106510821A/en
Publication of CN106510821A publication Critical patent/CN106510821A/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
    • A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like for external osteosynthesis, e.g. distractors, contractors
    • A61B17/66—Alignment, compression or distraction mechanisms
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
    • A61B17/7053—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant with parts attached to bones or to each other by flexible wires, straps, sutures or cables
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
    • A61B17/7074—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling
    • 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
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B2017/564—Methods for bone or joint treatment
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
    • A61B2017/7073—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant with intervertebral connecting element crossing an imaginary spinal median surface

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  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Neurology (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)
  • Surgical Instruments (AREA)
  • Prostheses (AREA)

Abstract

The invention relates to an orthopedic fixing support and a use method thereof. The orthopedic fixing support comprises connecting rods and at least two fixing joints. Each fixing joint comprises an in-vitro spine upper frame and a supporter, wherein the supporter is an arc-shaped extended surface, multiple hollowed-out grooves vertical to the longitudinal axis of the extended surface are formed in the arc-shaped extended surface, fixing rods are arranged in the hollowed-out grooves, the two sides of each fixing rod are each provided with at least one fixing block, and fixing cables are arranged between the fixing blocks. A vertical column is arranged in the middle of each supporter, and the in-vitro spine upper frames are arranged on the vertical columns and comprise arc-shaped supporting surfaces coaxial with the extended surfaces of the supporters. A supporting frame for fixing spines is defined between the fixing cables between the fixing joints and the arc-shaped supporting surfaces. Installing holes parallel to the axes of the arc-shaped supporting surfaces are formed in the vertical columns of the supporters, and the supporters are connected together through the connecting rods installed in the installing holes.

Description

Orthopedic fixing support and its using method
Technical field
The present invention relates to a kind of vertebra bone anchor, carries out fixing outside the bone of rib fixation with a kind of employing cable is related to Device.
Background technology
During the orthopaedics therapies such as fracture, postoperative to penetrate epidermis frequently by various supports, bone is fixed to be made Recovery, after recovery, then by trauma operation, support is removed, whole process needs to carry out Repeated Operation, to human body The wound that muscle and skin portion bring is than larger, and the convalescence after Miles operation is also long, while traditional support is to osseous part band The compressing for coming and wound are all than larger；
To this currently on the market, there is provided much can reduce wound degree and reduction operation number of times during operation to a certain extent, together When can accelerate the orthopedic fixer that heals again, the such as invention of Patent No. ZL201120537796.6 where it is proposed one kind For the steel wire of bone portion parcel, this steel wire is reduced to bone by arranging absorbable material protective case in Steel Wire Surface Damage, reduce the probability of bone ischemic necrosis, but itself still realizes the fixation of osseous part by way of repeatedly winding, in bone After bone recovers, remove still very big on the brought skin of steel wire operation and muscle bed, need the long time to be recovered；
For another example with a kind of entitled patents of invention of kneecap external fixing rack of ZL201420132756.7, wherein it is also proposed a kind of micro- Fixed mount outside the bone of wound, this structure compare similar to the fixed structure of steel nail for commonly using now, its master Syllabus is to realize that multi-faceted osseous part is fixed, while the wound that thin steel nail is brought to human body is also smaller, can be avoided secondary Injury and infection that operation is brought to human body are taken out, but in its technical scheme, steel nail plays main supporting role, in order to ensure Its certain support performance（That is bending strength）So steel nail itself cannot do it is thin as acupuncture needle, so its steel nail is to people Body surface skin and flesh wound degree reduce or than relatively limited, and steel nail itself is because of its volume reason and special life Physical performance reason, if being made using titanium alloy etc materials, difficulty of processing and cost are all higher, if using some lifes If the preferable polymer of physical performance makes, its intensity cannot ensure again, while the main eyelid retractor of the invention is an annular gold Category plate, during installation, the limbs portion that can treat operation brings and blocks, and installing can be relatively difficult, cannot also realize the standard according under in X-ray Really install；
So in sum, bone external stability utensil of the prior art still has the deficiency of many, for example：Band is installed The wound come, secondary taking-up operation wound, cost cannot be reduced, installation difficulty is big.
The content of the invention
The technical problem to be solved in the present invention is：Overcome prior art medium-height trestle that big, fixed operation complexity of wound etc. is installed Technical problem, there is provided a kind of less to setter wound, it is possible to reduce even without the Orthopedic fixing support of second operation.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of vertebra bone anchor, including pitman and at least two fixed knots, the fixed knot include external vertebra upper frame and Eyelid retractor, the eyelid retractor are the developed surface of an arc, and some and developed surface longitudinal axis is provided with the developed surface of cambered surface The vertical hollow slots of line, are provided with fix bar in the hollow slots, are each provided with least one fixed block in the both sides of fix bar, Fixed cable is provided between the fixed block；
A column is provided with the middle part of the eyelid retractor, external vertebra upper frame, the external vertebra on the column, is provided with Upper frame includes a curved support face coaxial with the developed surface of eyelid retractor；
The support frame for spinal fixation is surrounded between fixed cable and curved support face between the fixed knot；
The installing hole of one and curved support face diameter parallel is provided with the column of the eyelid retractor, the eyelid retractor passes through Pitman in installing hole links together.
Used as the further innovation of the present invention, the external vertebra upper frame is made using elastomeric material.
Used as the further innovation of the present invention, the fixed block includes a fixing hole for fixing fixed cable, institute State and on the side wall of fixing hole, be provided with lock-screw A.
Used as the further innovation of the present invention, the fixed block includes a sliding eye for being socketed with fix bar, institute State and on the side wall of sliding eye, be provided with lock-screw B.
Used as the further innovation of the present invention, the fixed cable includes elastic threads, and the material of the elastic threads has life Thing compatibility.
Used as the further innovation of the present invention, the elastic threads is made using aliphatic polyester.
As the further innovation of the present invention, reinforced metal cable, the reinforced metal in the middle part of the elastic threads, are provided with The material of cable has biocompatibility.
Used as the further innovation of the present invention, the reinforced metal cable is made using titanium alloy.
Used as the further innovation of the present invention, the pitman is made using aluminium alloy.
The invention has the beneficial effects as follows：
1st, cooperation of the present invention using fixed cable and curved support face, by the less elastic threads of diameter curved support face with Under the support of arc developed surface, one or several skeletal support frameworks are surrounded, so as to realizing the fixation to vertebrae and rectifying Just, because the low elasticity in curved support face, the fixation of bone not only can be ensured, while elastic threads is also possible to prevent to bone table The excessive compressing in face, causes osteonecrosis；
The present invention can freely add and subtract the quantity of fixed knot as the case may be simultaneously, with high convenience；
The installation operation of the present invention is also fairly simple.
2nd, elastic threads of the invention is fixed using clamped-in style, and this structure can improve the convenience of installation, while tensing Line can also be installed with a higher pretightning force.
3rd, fix to slide between fixed block of the invention and support frame, can be between convenient adjustment fixed block Position, so as to easily according to specific bone condition, adjust the fixed position of elastic threads, wide usage be significantly greatly increased.
4th, elastic threads made by the aliphatic polyester material with biocompatibility, because its low biocompatible, extensive After multiple, the internal of human body can be stayed in, the secondary wound degree for removing operation can be reduced, if bone destructiveness itself is not If big, secondary dismounting can not be carried out and performed the operation.
5th, it is also added into strengthening cable to prevent tension from excessively leading made by a titanium alloy in tension cable of the invention The reinforcing cable of titanium alloy directly can be extracted out by the situation of the tension thread breakage of cause after recovery, be partially left at it is internal not yet Can there are too big rejection problems.
6th, pitman of the invention is made using the stronger aluminium alloy of plasticity, can be according to the specific spine shape of patient It is adjusted correspondingly, improves the appropriate of the present invention.
Description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is mounting structure sketch of the present invention；
Fig. 2 is the generalized section of the present invention；
Fig. 3 is the schematic diagram of use state of the present invention 1；
Fig. 4 is the schematic diagram of use state of the present invention 2；
Fig. 5 is the transverse cross-sectional view of fixed block；
In figure：1st, fixed block；2nd, fix bar；3rd, fixed cable；4th, vertebrae；5th, bone B；6th, bone C；7th, pitman；8th, body Outer vertebra upper frame；9th, eyelid retractor；1-1, fixing hole.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are simplified schematic diagram, only with The basic structure of the illustration explanation present invention, therefore which only shows the composition relevant with the present invention.
Embodiment 1
Specifically as shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 5, this product mainly includes fixed knot and the connection for connecting each fixed knot Rod 7, pitman 7 are made using aluminium alloy, are manufactured according to the specific vertebra profile of patient,
The fixed knot includes external vertebra upper frame, internal vertebrae face fixator and eyelid retractor 9, the eyelid retractor be one with Human vertebra both sides back contact, the arc developed surface that support force is provided for fixed cable, are provided with the developed surface of cambered surface Some hollow slots with developed surface longitudinal axis orthogonal, are provided with fix bar 2 in the hollow slots, each in the both sides of fix bar 2 A fixed block 1 is provided with, fixed cable 3 between the fixed block 1, is provided with；
The middle part of the eyelid retractor 9 is provided with a column, is provided with human epidermal external support ridge on the column The external vertebra upper frame 8 of vertebra, the external vertebra upper frame include a curved support face coaxial with the developed surface of eyelid retractor；
Each fixed knot is fixed on pitman 7, penetrates into inside of human body by fixed cable 3, from top by 4 sets of vertebrae Firmly, while by external vertebra upper frame 8, realizing the support to the positive and negative both sides of vertebral segments, subsequently by the fixation on pitman 7 Section permutation, realizes the fixation of vertebrae；
Wherein fixed block includes one for by 1 set of sliding eye being connected in fix bar 2 of fixed block, setting on the inwall of sliding eye Lock-screw B is equipped with, while one is additionally provided with fixed block for the fixing hole 1-1 through fixed cable 3, same is consolidating Determine on the side wall of hole 1-1, to be provided with a lock-screw A for fixing fixed cable 3；
Wherein fixed cable include the aliphatic polyester material with biocompatibility made by elastic threads, set in the middle part of elastic threads It is equipped with and is similarly reinforced metal line made by the titanium alloy of biocompatible materials；
Elastic threads made by aliphatic polyester material with biocompatibility, because its low biocompatible, after recovery, can To stay in the internal of human body, the secondary wound degree for removing operation can be reduced, if bone destructiveness itself is little, Secondary dismounting can not be carried out to perform the operation；
Strengthen cable made by titanium alloy to prevent the situation of thread breakage is tensed caused by tensing excessively, after recovery can be direct The reinforcing cable of titanium alloy is extracted out, it is also not in too big rejection problems in vivo to be partially left at；
During installation, as shown in Figure 3.Fixed cable 3 is fixed to vertebrae inside by operation first, subsequently by fixed block 1 is installed in the fix bar 2 of each fixed knot, and whole fixed knot array is pressed against human body back then, and fixed cable 3 is solid Determine on fixed block 1, be strained and fixed cable 3, you can realize the support and fixation to human spine.
Embodiment 2
As shown in figure 4, the present invention is under emergency rating, it is also possible to for the fixation of arm and leg；
Mainly specifically as shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 5, this product mainly includes fixed knot and for connecting each fixed knot Pitman 7, pitman 7 are made using aluminium alloy, are manufactured according to the specific vertebra profile of patient,
The fixed knot includes external vertebra upper frame, internal vertebrae face fixator and eyelid retractor 9, the eyelid retractor be one with Human vertebra both sides back contact, the arc developed surface that support force is provided for fixed cable, are provided with the developed surface of cambered surface Some hollow slots with developed surface longitudinal axis orthogonal, are provided with fix bar 2 in the hollow slots, each in the both sides of fix bar 2 A fixed block 1 is provided with, fixed cable 3 between the fixed block 1, is provided with；
The middle part of the eyelid retractor 9 is provided with a column, is provided with human epidermal external support ridge on the column The external vertebra upper frame 8 of vertebra, the external vertebra upper frame include a curved support face coaxial with the developed surface of eyelid retractor；
Each fixed knot is fixed on pitman 7, penetrates into inside of human body by fixed cable 3, from top by 4 sets of vertebrae Firmly, while by external vertebra upper frame 8, realizing the support to the positive and negative both sides of vertebral segments, subsequently by the fixation on pitman 7 Section permutation, realizes the fixation of vertebrae；
Wherein fixed block includes one for by 1 set of sliding eye being connected in fix bar 2 of fixed block, setting on the inwall of sliding eye Lock-screw B is equipped with, while one is additionally provided with fixed block for the fixing hole 1-1 through fixed cable 3, same is consolidating Determine on the side wall of hole 1-1, to be provided with a lock-screw A for fixing fixed cable 3；
Wherein fixed cable include the aliphatic polyester material with biocompatibility made by elastic threads, set in the middle part of elastic threads It is equipped with and is similarly reinforced metal line made by the titanium alloy of biocompatible materials；
Elastic threads made by aliphatic polyester material with biocompatibility, because its low biocompatible, after recovery, can To stay in the internal of human body, the secondary wound degree for removing operation can be reduced, if bone destructiveness itself is little, Secondary dismounting can not be carried out to perform the operation；
Strengthen cable made by titanium alloy to prevent the situation of thread breakage is tensed caused by tensing excessively, after recovery can be direct The reinforcing cable of titanium alloy is extracted out, it is also not in too big rejection problems in vivo to be partially left at；
During installation, as shown in figure 4, fixed cable 3 is carried out to the bone B5 and bone C6 in human arm by operation first It is fixed, subsequently fixed block 1 is installed in the fix bar 2 of each fixed knot, then people is pressed against using with 3 row fixed knot arrays 3 positions of body arm outer wall, between which, angle is 120 degree, and fixed cable 3 is fixed on fixed block 1, and be strained and fixed cable 3, realize the fixation to arm bone.
With the above-mentioned desirable embodiment according to the present invention as enlightenment, by above-mentioned description, relevant staff is complete Various change and modification can be carried out in the range of without departing from this invention technological thought entirely.The technology of this invention Property scope is not limited to the content on specification, it is necessary to its technical scope is determined according to right.

Claims (2)

1. a kind of vertebra bone anchor, is characterized in that：Including pitman and at least two fixed knots, the fixed knot includes in vitro Vertebra upper frame, eyelid retractor, the eyelid retractor are the developed surface of an arc, be provided with some and launch on the developed surface of cambered surface The hollow slots of face longitudinal axis orthogonal, are provided with fix bar in the hollow slots, are each provided with least one in the both sides of fix bar Individual fixed block, is provided with fixed cable between the fixed block；
A column is provided with the middle part of the eyelid retractor, external vertebra upper frame, the external vertebra on the column, is provided with Upper frame includes a curved support face coaxial with the developed surface of eyelid retractor；
The support frame for spinal fixation is surrounded between fixed cable and curved support face between the fixed knot；
The installing hole of one and curved support face diameter parallel is provided with the column of the eyelid retractor, the eyelid retractor passes through Pitman in installing hole links together；
The fixed block includes a fixing hole for fixing fixed cable, is provided with locking screw on the side wall of the fixing hole Nail A；
The fixed block includes a sliding eye for being socketed with fix bar, is provided with locking screw on the side wall of the sliding eye Nail B.
2. a kind of using method of vertebra bone anchor, is characterized in that：Vertebra bone anchor includes：Pitman and at least two is admittedly Fixed to save, the fixed knot includes external vertebra upper frame, eyelid retractor, and the eyelid retractor is the developed surface of an arc, in cambered surface Some and developed surface longitudinal axis orthogonal hollow slots are provided with developed surface, in the hollow slots, fix bar is provided with, solid The both sides of fixed pole are each provided with least one fixed block, are provided with fixed cable between the fixed block；
A column is provided with the middle part of the eyelid retractor, external vertebra upper frame, the external vertebra on the column, is provided with Upper frame includes a curved support face coaxial with the developed surface of eyelid retractor；
The support frame for spinal fixation is surrounded between fixed cable and curved support face between the fixed knot；
The installing hole of one and curved support face diameter parallel is provided with the column of the eyelid retractor, the eyelid retractor passes through Pitman in installing hole links together；
The fixed block includes a fixing hole for fixing fixed cable, is provided with locking screw on the side wall of the fixing hole Nail A；
Described using method, including：Fixed cable is fixed to vertebrae inside by operation first, subsequently will be fixed Block is installed in the fix bar of each fixed knot, and whole fixed knot array is pressed against human body back then, and fixed cable is solid Determine on fixed block, be strained and fixed cable, you can realize the support and fixation to human spine.
CN201611061625.4A 2014-10-24 2014-10-24 Orthopedic fixing support and use method thereof Pending CN106510821A (en)

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CN201611061625.4A CN106510821A (en) 2014-10-24 2014-10-24 Orthopedic fixing support and use method thereof

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CN201410572550.0A CN104323843B (en) 2014-10-24 2014-10-24 Vertebra fixator
CN201611061625.4A CN106510821A (en) 2014-10-24 2014-10-24 Orthopedic fixing support and use method thereof

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CN201611061642.8A Active CN106725781B (en) 2014-10-24 2014-10-24 A kind of vertebra bone anchor and its application method
CN201611061623.5A Expired - Fee Related CN106510820B (en) 2014-10-24 2014-10-24 Orthopedic fixing support
CN201410572550.0A Expired - Fee Related CN104323843B (en) 2014-10-24 2014-10-24 Vertebra fixator
CN201611061625.4A Pending CN106510821A (en) 2014-10-24 2014-10-24 Orthopedic fixing support and use method thereof
CN201611061624.XA Active CN106725779B (en) 2014-10-24 2014-10-24 Vertebra bone anchor
CN201611061622.0A Active CN106510819B (en) 2014-10-24 2014-10-24 The application method of Orthopedic fixing support

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CN201410572550.0A Expired - Fee Related CN104323843B (en) 2014-10-24 2014-10-24 Vertebra fixator

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FR3012030B1 (en) 2013-10-18 2015-12-25 Medicrea International METHOD FOR REALIZING THE IDEAL CURVATURE OF A ROD OF A VERTEBRAL OSTEOSYNTHESIS EQUIPMENT FOR STRENGTHENING THE VERTEBRAL COLUMN OF A PATIENT
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WO2018109556A1 (en) 2016-12-12 2018-06-21 Medicrea International Systems and methods for patient-specific spinal implants
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US11925417B2 (en) 2019-04-02 2024-03-12 Medicrea International Systems, methods, and devices for developing patient-specific spinal implants, treatments, operations, and/or procedures
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CN106725781A (en) 2017-05-31
CN106510820A (en) 2017-03-22
CN104323843A (en) 2015-02-04
CN106725779B (en) 2019-03-05
CN106510819B (en) 2019-06-21
CN106510819A (en) 2017-03-22
CN106725779A (en) 2017-05-31
CN106725781B (en) 2019-02-01
CN106510820B (en) 2019-06-18
CN104323843B (en) 2017-01-18

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