CN105434023B - A kind of orthopedic fixation device external member - Google Patents
A kind of orthopedic fixation device external member Download PDFInfo
- Publication number
- CN105434023B CN105434023B CN201510993140.8A CN201510993140A CN105434023B CN 105434023 B CN105434023 B CN 105434023B CN 201510993140 A CN201510993140 A CN 201510993140A CN 105434023 B CN105434023 B CN 105434023B
- Authority
- CN
- China
- Prior art keywords
- support arm
- fixation device
- mainboard body
- internal fixation
- cooling pipe
- 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.)
- Expired - Fee Related
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—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
-
- 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
- A61B2017/00867—Material properties shape memory effect
-
- 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
Abstract
The invention discloses a kind of orthopedic fixation device external member, include memorial alloy internal fixation device, cool down main frame, and connection cools down the joint of main frame and memorial alloy internal fixation device；The memorial alloy internal fixation device includes the mainboard body of helix shape and is integrally formed multigroup anchor ear arm being parallel to each other in mainboard body both sides；Cooling pipe is provided with mainboard body and each group the anchor ear arm, the external wall of mainboard is provided with the inlet opening and fluid hole being connected respectively with cooling pipe two ends.By setting cooling pipe inside memorial alloy internal fixation device, less than 5 DEG C of cooling water can be passed through in the forward direction cooling pipe for removing internal fixation device, internal fixation device is uniformly cooled down, beneficial to smoothly and rapidly remove internal fixation device, further shorten operating time.
Description
Technical field
The invention belongs to medical instruments field, and in particular to a kind of orthopaedics memorial alloy internal fixation device structure.
Background technology
Marmem has the SME related to temperature, hardness reduction easy modeling when being placed in cold medium
Shape, when temperature is raised, produces restoring force and screen resilience, voluntarily returns back to original shape.Why marmem, which has, becomes
Shape recovery capability, is because having in the thermoelastic martensitic transformation that material internal occurs in deformation process, marmem
Two kinds of phases：High-temperature-phase austenite phase, low-temperature phase martensitic phase, according to different heating power load-up conditions, marmem is presented
Go out two kinds of performances.Because its is easy for installation, operating time can be shortened, patient suffering is reduced, at present increasing internal fixation device
Marmem is employed to make.But current memorial alloy internal fixation device still suffers from following defect, after injury of the bone healing
, it is necessary to less than 5 DEG C of sterile saline gauze equably cold compress internal fixation device, open internal fixation device when removing internal fixation device
On anchor ear arm, internal fixation device could be taken out, due to being difficult to using gauze completely with internal fixation device, each position is fitted,
Prevent internal fixation device from being cooled completely, still suffer from difficulty when removing internal fixation device, extend operating time.
The content of the invention
The technical problems to be solved by the invention are：In view of the deficienciess of the prior art, providing a kind of new structure
Orthopaedics memorial alloy internal fixation device external member.
To realize the purpose of the present invention, it is achieved using following technical scheme：A kind of orthopedic fixation device external member, including
There is memorial alloy internal fixation device, cool down main frame, and connection cools down the joint of main frame and memorial alloy internal fixation device；
The memorial alloy internal fixation device includes the mainboard body of helix shape and is integrally formed in mainboard body both sides
Multigroup anchor ear arm being parallel to each other；It is provided with mainboard body and each group the anchor ear arm on cooling pipe, the external wall of mainboard
Provided with the inlet opening and fluid hole being connected respectively with cooling pipe two ends；
The mainboard body of the helix shape is 60-120 ° along the angle that spiral axis rotates；
Described inlet opening and fluid hole are located at one end end position of mainboard body；The cooling pipe is only comprising a pipe
Road, cooling pipe is arranged along mainboard body edge, and extends to the outer end of anchor ear arm；
The mainboard body and anchor ear arm be internally located in the range of cooling pipe is surrounded be provided with the copper material bed of material, mainboard body and
Anchor ear arm outer layer is shape memory alloy material layer；
Anchor ear arm described in every group includes the first support arm and second support arm for being connected to mainboard body both sides, described second
Arm length is 2-3 times of first support arm length；
The end of the first support arm forms connecting clip；The end of the second support arm is formed and connecting clip phase
The connection jaws of cooperation, connection clip is intraoral to form more than two positioning shoulders being engaged with connecting clip；Described second
Arm side is connected with support arm close to the position of connection jaws, and the end of support arm forms connects bayonet socket, adjacent second
The connection dop for coordinating clamping with connects bayonet socket is connected with support arm side；Each support arm is on a helix,
And support arm is equal with the distance of mainboard body both sides；The second support arm close to mainboard body and positioned at support arm homonymy position into
Type has in recess, the second support arm is connected with a side plush copper positioned at side of the recess away from mainboard body；
The cooling main frame includes housing, and housing is interior will to be divided into a water storage cavity provided with a metal partion (metp) in housing
With an electric chamber；Correspondence water storage cavity is provided with water filling port, water filling port and is sealedly connected with lid, the shell above the housing
The position of correspondence water storage cavity, which is provided with the connection-peg being connected with joint, connection-peg, below body has two fluid passages；The storage
Liquid pump is installed, the outlet of liquid pump is connected with a fluid passage in water cavity；The electric intracavitary is provided with refrigerating sheet, circuit board
And battery, the huyashi-chuuka (cold chinese-style noodles) of the refrigerating sheet is connected on metal partion (metp)；The lateral wall of the housing correspondence water storage cavity is provided with control
The button switch of liquid pump work processed, the side wall of the electric chamber of the housing correspondence is provided with the toggle switch of control refrigerating sheet；It is described
Button switch, toggle switch, refrigerating sheet and battery are connected with circuit board respectively；Form and be beneficial on the two side of the housing
At least one set of raised line of grasping；
Described joint includes the grafting set for coordinating grafting with connection-peg, and the feed liquor being connected to below grafting set is inserted
Pipe and time liquid intubation；Feed liquor intubation, return liquid intubation respectively with inlet opening, fluid hole grafting；Feed liquor is intubated and gone back to the end of liquid intubation
Portion's outer wall is arranged with silica gel sheath；The feed liquor intubation and time liquid cannula end are also associated with sealing-plug.
Compared with prior art, the beneficial effects of the invention are as follows：By setting cold inside memorial alloy internal fixation device
But pipeline, less than 5 DEG C of cooling water can be passed through in the forward direction cooling pipe for removing internal fixation device, internal fixation device is obtained uniformly
Cooling, beneficial to smoothly and rapidly remove internal fixation device, further shorten operating time.
Brief description of the drawings
Fig. 1 is the structural representation of internal fixation device.
Fig. 2 is the internal structure schematic diagram of internal fixation device deployed condition.
Fig. 3 is Fig. 2 A-A to structural representation.
Fig. 4 is to cool down structural representation when main frame is in confined state with joint.
Fig. 5 is to cool down structural representation when main frame is in released state with joint.
Fig. 6 is the internal structure schematic diagram for cooling down main frame.
1st, mainboard body；21st, first support arm；211st, connecting clip；22nd, second support arm；221st, jaws is connected；222nd, connection card
Head；223rd, side plush copper；224th, recess；23rd, support arm；231st, connects bayonet socket；3rd, inlet opening；4th, fluid hole；5th, cooling pipe；6、
The copper material bed of material；7th, main frame is cooled down；71st, housing；72nd, water filling port；73rd, raised line；74th, button switch；75th, connection-peg；76th, liquid pump；
77th, refrigerating sheet；78th, circuit board；79th, battery；8th, joint；81st, grafting set；82nd, feed liquor is intubated；83rd, liquid intubation is returned.
Embodiment
The embodiment of the present invention is made a detailed explanation below according to accompanying drawing.
Embodiment 1
According to Fig. 1 to Fig. 6, the present embodiment is a kind of orthopedic fixation device external member, is included fixed in memorial alloy
Device, cools down main frame 7, and connection cools down the joint 8 of main frame and memorial alloy internal fixation device.
The memorial alloy internal fixation device includes the mainboard body 1 of helix shape and is integrally formed in mainboard body both sides
Multigroup anchor ear arm being parallel to each other；It is provided with mainboard body and each group the anchor ear arm on cooling pipe 5, the external wall of mainboard
Provided with the inlet opening 3 and fluid hole 4 being connected respectively with cooling pipe two ends.
The mainboard body of the helix shape is 60-120 ° along the angle that spiral axis rotates.Spiral mainboard body
It is bigger with respect to the mainboard body of elongated rectangular shape and the contact area of bone, both will not be internal when preferably angle is between 100-120 °
Installation, the dismounting of fixator cause trouble, preferably fixed performance are can guarantee that again, it is ensured that the supporting intensity of bone injury site.
Described inlet opening and fluid hole are located at one end end position of mainboard body；The cooling pipe is only comprising a pipe
Road, cooling pipe is arranged along mainboard body edge, and extends to the outer end of anchor ear arm.
The mainboard body and anchor ear arm, which are internally located in the range of cooling pipe is surrounded, is provided with the copper material bed of material 6, mainboard body
And anchor ear arm outer layer is shape memory alloy material layer.
Anchor ear arm described in every group includes the first support arm 21 and second support arm 22 for being connected to mainboard body both sides, described
Second support arm length is 2.5 times of first support arm length.
The end of the first support arm forms connecting clip 211；The end of the second support arm is formed and connection clip
The connection jaws 221 that head is engaged, connection clip is intraoral to form more than two positioning shoulders being engaged with connecting clip；It is described
Second support arm side is connected with support arm 23 close to the position of connection jaws, and the end of support arm forms connects bayonet socket
231, the connection dop 222 for coordinating clamping with connects bayonet socket is connected with adjacent second support arm side；At each support arm
In on a helix, and support arm is equal with the distance of mainboard body both sides；The second support arm is close to mainboard body and positioned at branch
The position of brace homonymy forms in recess 224, the second support arm and is connected with positioned at side of the recess away from mainboard body
One side plush copper 223.
Described cooling pipe is without the side plush copper so that notch position when prizing side plush copper in second support arm is produced
Raw deformation.Remove internal fixation device when, by outwards prizing side plush copper, make support arm connects bayonet socket and connection jaws successively with
Connect dop, connecting clip to depart from, provided conveniently for the dismounting of internal fixation device, operating time is shortened to greatest extent.
Internal fixation device is installed to behind knochenbruch position, and anchor ear arm recovers shape, two support arms of anchor ear arm under body temperature effect
Gradually clamp, to final position, the connecting clip of spline-simulating fastens with being connected jaws, while the connects bayonet socket on support arm
Fastened with being connected dop, the globality of such internal fixation device is stronger, is not likely to produce deformation, the feelings that internal fixation device will not be got loose
Condition, reliability is high, and symphysis is hindered beneficial to knochenbruch.
With reference to shown in Fig. 4 to Fig. 6, the cooling main frame, which includes, is provided with a metal partion (metp) by shell in housing 71, housing
It is divided into a water storage cavity and an electric chamber in vivo；Correspondence water storage cavity is provided with water filling port, water filling port above the housing
The position for being sealedly connected with correspondence water storage cavity below lid 72, the housing is provided with the connection-peg 75 being connected with joint, connection-peg
It is upper that there are two fluid passages；Liquid pump 76 is installed, the outlet of liquid pump is connected with a fluid passage in the water storage cavity；It is described
Electric intracavitary is provided with refrigerating sheet 77, circuit board 78 and battery 79, and the huyashi-chuuka (cold chinese-style noodles) of the refrigerating sheet is connected on metal partion (metp)；Institute
The lateral wall for stating housing correspondence water storage cavity is provided with the button switch 74 of control liquid pump work, the side of the electric chamber of the housing correspondence
Wall is provided with the toggle switch of control refrigerating sheet；The button switch, toggle switch, refrigerating sheet and battery respectively with circuit board
Connection；At least one set of raised line 73 beneficial to grasping is formed on the two side of the housing.
Described joint 8 includes the grafting set 81 for coordinating grafting with connection-peg, and is connected to entering below grafting set
Liquid intubation 82 and return liquid intubation 83, feed liquor intubation, return liquid intubation respectively with inlet opening, fluid hole grafting；Feed liquor is intubated and returned liquid
The end sleeve of intubation is provided with silica gel sheath, is tightly connected beneficial to inlet opening, fluid hole.The feed liquor intubation and time liquid cannula end
Sealing-plug is also associated with, is extracted again when needing cooling internal fixation device, it is to avoid the liquid outflow in cooling main frame.Described joint
8 can correspondingly be selected according to inlet opening on internal fixation device, the specification of fluid hole, distance so that cool down main frame can with not
The internal fixation device adapted of same specification.
Remove before memorial alloy internal fixation device, the joint of corresponding specification is set on the connection-peg for cooling down main frame, cold
But saline injection in the water storage cavity of main frame, starts refrigerating sheet by toggle switch and works, make physiological saline temperature drop to 5
Below DEG C, feed liquor intubation and the sealing-plug returned in liquid intubation on joint are then pulled out, feed liquor is intubated and returned liquid intubation and feed liquor
Hole, fluid hole docking, then press button switch and start liquid pump, the physiological saline through cooling is circulated pair along cooling pipe
Internal fixation device is cooled down, and is reached to internal fixation device temperature and cooling main frame is removed after requirement, pull down internal fixation device.
Embodiment 2
According to Fig. 1 to Fig. 3, the present embodiment is a kind of orthopedic fixation device, includes the mainboard body 1 of helix shape
And it is integrally formed multigroup anchor ear arm being parallel to each other in mainboard body both sides；Provided with cold in mainboard body and each group the anchor ear arm
But pipeline 5, the external wall of mainboard is provided with the inlet opening 3 and fluid hole 4 being connected respectively with cooling pipe two ends.
The mainboard body of the helix shape is 60-120 ° along the angle that spiral axis rotates.Spiral mainboard body
It is bigger with respect to the mainboard body of elongated rectangular shape and the contact area of bone, both will not be internal when preferably angle is between 100-120 °
Installation, the dismounting of fixator cause trouble, preferably fixed performance are can guarantee that again, it is ensured that the supporting intensity of bone injury site.
Described inlet opening and fluid hole are located at one end end position of mainboard body；The cooling pipe is only comprising a pipe
Road, cooling pipe is arranged along mainboard body edge, and extends to the outer end of anchor ear arm.
The mainboard body and anchor ear arm, which are internally located in the range of cooling pipe is surrounded, is provided with the copper material bed of material 6, mainboard body
And anchor ear arm outer layer is shape memory alloy material layer.
Anchor ear arm described in every group includes the first support arm 21 and second support arm 22 for being connected to mainboard body both sides, described
Second support arm length is 2.5 times of first support arm length.
Claims (1)
1. a kind of orthopedic fixation device external member, it is characterised in that：Include memorial alloy internal fixation device, cool down main frame, Yi Jilian
Connect the joint of cooling main frame and memorial alloy internal fixation device；
The memorial alloy internal fixation device includes the mainboard body of helix shape and is integrally formed in many of mainboard body both sides
The anchor ear arm that group is parallel to each other；Cooling pipe is provided with mainboard body and each group the anchor ear arm, the external wall of mainboard is provided with
The inlet opening and fluid hole being connected respectively with cooling pipe two ends；
The mainboard body of the helix shape is 60-120 ° along the angle that spiral axis rotates；
Described inlet opening and fluid hole are located at one end end position of mainboard body；The cooling pipe only includes a pipeline,
Cooling pipe is arranged along mainboard body edge, and extends to the outer end of anchor ear arm；
The mainboard body and anchor ear arm, which are internally located in the range of cooling pipe is surrounded, is provided with the copper material bed of material, mainboard body and anchor ear
Arm outer layer is shape memory alloy material layer；
Anchor ear arm described in every group includes the first support arm and second support arm for being connected to mainboard body both sides, the second support arm
Length is 2-3 times of first support arm length；
The end of the first support arm forms connecting clip；The end of the second support arm is formed to be engaged with connecting clip
Connection jaws, connection clip is intraoral to form more than two positioning shoulders being engaged with connecting clip；The second support arm one
Side is connected with support arm close to the position of connection jaws, and the end of support arm forms connects bayonet socket, adjacent second support arm
The connection dop for coordinating clamping with connects bayonet socket is connected with side；Each support arm is on a helix, and branch
Brace is equal with the distance of mainboard body both sides；The second support arm is formed close to mainboard body and positioned at the position of support arm homonymy
In recess, the second support arm side plush copper is connected with positioned at side of the recess away from mainboard body；
The cooling main frame includes housing, and housing is interior will to be divided into a water storage cavity and one provided with a metal partion (metp) in housing
Individual electric chamber；Correspondence water storage cavity is provided with water filling port, water filling port and is sealedly connected with lid, the housing above the housing
The position of side's correspondence water storage cavity, which is provided with the connection-peg being connected with joint, connection-peg, has two fluid passages；The water storage cavity
Liquid pump is inside installed, the outlet of liquid pump is connected with a fluid passage；The electric intracavitary is provided with refrigerating sheet, circuit board and storage
Battery, the huyashi-chuuka (cold chinese-style noodles) of the refrigerating sheet is connected on metal partion (metp)；The lateral wall of the housing correspondence water storage cavity is provided with control liquid
The button switch of pump work, the side wall of the electric chamber of the housing correspondence is provided with the toggle switch of control refrigerating sheet；The button
Switch, toggle switch, refrigerating sheet and battery are connected with circuit board respectively；Formed on the two side of the housing beneficial to grasping
At least one set of raised line；
Described joint include with connection-peg coordinate grafting grafting set, and be connected to grafting set below feed liquor intubation and
Return liquid intubation；Feed liquor intubation, return liquid intubation respectively with inlet opening, fluid hole grafting；Feed liquor is intubated and returned outside the end of liquid intubation
Wall is arranged with silica gel sheath；The feed liquor intubation and time liquid cannula end are also associated with sealing-plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510993140.8A CN105434023B (en) | 2015-12-24 | 2015-12-24 | A kind of orthopedic fixation device external member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510993140.8A CN105434023B (en) | 2015-12-24 | 2015-12-24 | A kind of orthopedic fixation device external member |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105434023A CN105434023A (en) | 2016-03-30 |
| CN105434023B true CN105434023B (en) | 2017-09-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510993140.8A Expired - Fee Related CN105434023B (en) | 2015-12-24 | 2015-12-24 | A kind of orthopedic fixation device external member |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105434023B (en) |
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| CN2917565Y (en) * | 2006-05-16 | 2007-07-04 | 魏小东 | Memory alloy paw-shaped rib bone plate |
| CN200942118Y (en) * | 2006-08-22 | 2007-09-05 | 姜喜明 | Memory alloy three-dimensional automatic pressure bone plate |
| CN201036563Y (en) * | 2006-03-30 | 2008-03-19 | 杨洪武 | Dynamic pressurized cross locking marrow nail |
| CN202235650U (en) * | 2011-10-10 | 2012-05-30 | 中国人民解放军第四军医大学 | Double-tooth semi-surrounding chest closing bone fracture plate |
| CN202313523U (en) * | 2011-10-10 | 2012-07-11 | 中国人民解放军第四军医大学 | Close-chest approximator |
| CN203220433U (en) * | 2013-05-02 | 2013-10-02 | 苏州西脉记忆合金有限公司 | Easily-detachable memory alloy connector |
| CN103948460A (en) * | 2008-10-10 | 2014-07-30 | 雷瓦医药公司 | Expandable slide and lock stent |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080039931A1 (en) * | 2006-04-25 | 2008-02-14 | Surmodics, Inc. | Hydrophilic shape memory insertable medical articles |
| EP2059619B1 (en) * | 2006-09-06 | 2010-11-17 | Cook Incorporated | Nickel-titanium alloy including a rare earth element |
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2015
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2341577Y (en) * | 1998-09-10 | 1999-10-06 | 连远步 | Frame type girdle device |
| FR2839880B1 (en) * | 2002-05-21 | 2004-08-20 | Groupe Lepine | INTERVERTEBRAL CONNECTING ROD AND DEVICE FOR STRAIGHTENING RACHIS DEFORMATIONS |
| CN201036563Y (en) * | 2006-03-30 | 2008-03-19 | 杨洪武 | Dynamic pressurized cross locking marrow nail |
| CN2917565Y (en) * | 2006-05-16 | 2007-07-04 | 魏小东 | Memory alloy paw-shaped rib bone plate |
| CN200942118Y (en) * | 2006-08-22 | 2007-09-05 | 姜喜明 | Memory alloy three-dimensional automatic pressure bone plate |
| CN103948460A (en) * | 2008-10-10 | 2014-07-30 | 雷瓦医药公司 | Expandable slide and lock stent |
| CN202235650U (en) * | 2011-10-10 | 2012-05-30 | 中国人民解放军第四军医大学 | Double-tooth semi-surrounding chest closing bone fracture plate |
| CN202313523U (en) * | 2011-10-10 | 2012-07-11 | 中国人民解放军第四军医大学 | Close-chest approximator |
| CN203220433U (en) * | 2013-05-02 | 2013-10-02 | 苏州西脉记忆合金有限公司 | Easily-detachable memory alloy connector |
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| Publication number | Publication date |
|---|---|
| CN105434023A (en) | 2016-03-30 |
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| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yang Tongyu Inventor after: Hu Kun Inventor after: Lu Yaoyu Inventor before: Li Feng |
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| CB03 | Change of inventor or designer information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170802 Address after: 558099 Guizhou Province, Qiannan Buyei and Miao Autonomous Prefecture Tuyun City Jian Jiang Road No. 32, Qiannan Hospital of traditional Chinese Medicine Department of Orthopaedics Applicant after: Guizhou Qiannan Bouyei-Miao Autonomous Prefecture Hospital of Chinese Medicine Address before: Wenling City, Wang Ruo Zhen Pu tou Cun Taizhou City, Zhejiang province 317507 Applicant before: Li Feng |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |