CN105434022B - A kind of memorial alloy internal fixation device external member - Google Patents
A kind of memorial alloy internal fixation device external member Download PDFInfo
- Publication number
- CN105434022B CN105434022B CN201510992991.0A CN201510992991A CN105434022B CN 105434022 B CN105434022 B CN 105434022B CN 201510992991 A CN201510992991 A CN 201510992991A CN 105434022 B CN105434022 B CN 105434022B
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- China
- Prior art keywords
- support arm
- mainboard body
- fixation device
- internal fixation
- connection
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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
-
- 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
- A61B2017/00862—Material properties elastic or resilient
-
- 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 memorial alloy internal fixation device external member, memorial alloy internal fixation device includes mainboard body and is integrally formed multigroup anchor ear arm 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 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
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 memorial alloy internal 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 mainboard body and is integrally formed multigroup anchor ear arm in mainboard body both sides；
Be provided with cooling pipe in mainboard body and each group the anchor ear arm, the external wall of mainboard provided with respectively with cooling pipe two ends phase
The inlet opening and fluid hole of connection；
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 first
The end of support arm forms connection jaws, and connection clip is intraoral to form more than two positioning shoulders；One of the first support arm
Side is connected with first support arm perpendicular with it, the end of the first support arm and another adjacent first support arm button
Close connection；The end of first support arm forms connection dop, and adjacent first support arm side is formed to be engaged with being connected dop
Connects bayonet socket；
The end of the second support arm is formed with being connected the connecting clip that jaws is engaged, the second support arm and mainboard
Body junction is the bent over arms of obtuse angle shape, and side of the bent over arms away from mainboard body is molded oriented mainboard body direction extension
Extension, forms a recess between extension and bent over arms；Close to the side one of extension side in the second support arm
Second support arm perpendicular with it is connected with, the end of the second support arm is fastened and connected with another adjacent second support arm；
The end of second support arm forms connection dop, and adjacent second support arm side is formed with being connected the connection card that dop is engaged
Mouthful；
The mainboard body is in elongated rectangular shape shape, and mainboard body intermediary form has the rectangular aperture of a strip, mainboard body
The upper tensioned lines that more than three are connected between two long sides of rectangular aperture, described tensioned lines one end is fixed with a long side to be connected
Connect, form the through hole passed through for the tensioned lines other end on described mainboard body, the external wall of mainboard perpendicular to the position of through hole then
Form the screw hole of connection lock-screw.Lock-screw is connected with screw hole by thread interference；
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, Fig. 2 and Fig. 3 are the structural representations of internal fixation device.
Fig. 4 is the internal structure schematic diagram of internal fixation device deployed condition.
Fig. 5 is Fig. 4 A-A to structural representation.
Fig. 6 is to cool down structural representation when main frame is in confined state with joint.
Fig. 7 is to cool down structural representation when main frame is in released state with joint.
Fig. 8 is the internal structure schematic diagram for cooling down main frame.
1st, mainboard body；2nd, anchor ear arm；21st, first support arm；211st, jaws is connected；212nd, the first support arm；22nd, second
Arm；221st, connecting clip；222nd, the second support arm；223rd, bent over arms；224th, extension；3rd, inlet opening；4th, fluid hole；5th, cool down
Pipeline；6th, 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 is returned to insert
Pipe；9th, tensioned lines；91st, lock-screw.
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. 8, the present embodiment is a kind of memorial alloy internal fixation device external member, is included in memorial alloy
Fixator, 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 mainboard body 1 and is integrally formed multigroup anchor ear arm in mainboard body both sides
2；Be provided with cooling pipe 5 in mainboard body and each group the anchor ear arm, the external wall of mainboard provided with respectively with cooling pipe two
Hold the inlet opening 3 and fluid hole 4 being connected.
With reference to shown in Fig. 4, described inlet opening and fluid hole are located at one end end position of mainboard body；The cooling pipe
Only comprising 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 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；It is described
The end of first support arm forms connection jaws 211, and connection clip is intraoral to form more than two positioning shoulders；The first support arm
A side be connected with first support arm 212 perpendicular with it, the end of the first support arm and adjacent another
First support arm is fastened and connected；The end of first support arm forms connection dop, and adjacent first support arm side forms and connected
The connects bayonet socket that dop is engaged.
The end of the second support arm forms and is connected the connecting clip 221 that jaws is engaged, the second support arm with
Mainboard body junction is the bent over arms 223 of obtuse angle shape, and side of the bent over arms away from mainboard body is molded oriented mainboard body side
To the extension 224 of extension, a recess is formed between extension and bent over arms；Close to extension side in the second support arm
Side be connected with second support arm 222 perpendicular with it, the end of the second support arm and adjacent another second
Support arm is fastened and connected；The end of second support arm forms connection dop, and adjacent second support arm side is formed with being connected dop
The connects bayonet socket being engaged.
Described cooling pipe is without the extension so that produce deformation in bent over arms position when prizing extension.
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, at the same the first support arm, second
First support arm, the second support arm of brace and adjacent position are fastened, and the globality of such internal fixation device is stronger, is not likely to produce deformation,
The situation that internal fixation device will not be got loose, reliability is high, and symphysis is hindered beneficial to knochenbruch.Extension in described second support arm
Portion is beneficial to pry open second support arm when removing internal fixation device, coordinates the bent over arms of obtuse angle shape, makes second support arm along bent over arms
Crooked place, which is produced, to be bent, so that connection dop can depart from connects bayonet socket, smoothly takes out interior solid beneficial to time saving and energy saving ground
Determine device.
The mainboard body is in elongated rectangular shape shape, and mainboard body intermediary form has the rectangular aperture of a strip, mainboard body
The upper tensioned lines 9 that more than three are connected between two long sides of rectangular aperture, described tensioned lines one end is fixed with a long side
The through hole passed through for the tensioned lines other end is formed on connection, described mainboard body, the external wall of mainboard is perpendicular to the position of through hole
Then form the screw hole of connection lock-screw 91.Lock-screw is connected with screw hole by thread interference.The mainboard
Rectangular aperture in the middle of body makes mainboard body have bigger deformation quantity, and so dimension precision requirement to internal fixation device has dropped
It is low, the not enough position of dynamics is clamped in anchor ear arm, by being locked after adjusting tensioned lines to appropriate length by lock-screw
It is fixed, outwards deformed with suppressing mainboard body, strengthen the clamping dynamics of anchor ear arm.
With reference to shown in Fig. 6 to Fig. 8, 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. 5, the present embodiment is a kind of memorial alloy internal fixation device, includes mainboard body 1 and one
It is molded over multigroup anchor ear arm 2 of mainboard body both sides；Cooling pipe 5, the mainboard are provided with mainboard body and each group the anchor ear arm
External wall is provided with the inlet opening 3 and fluid hole 4 being connected respectively with cooling pipe two ends.
With reference to shown in Fig. 4, described inlet opening and fluid hole are located at one end end position of mainboard body；The cooling pipe
Only comprising 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 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；It is described
The end of first support arm forms connection jaws 211, and connection clip is intraoral to form more than two positioning shoulders；The first support arm
A side be connected with first support arm 212 perpendicular with it, the end of the first support arm and adjacent another
First support arm is fastened and connected；The end of first support arm forms connection dop, and adjacent first support arm side forms and connected
The connects bayonet socket that dop is engaged.
The end of the second support arm forms and is connected the connecting clip 221 that jaws is engaged, the second support arm with
Mainboard body junction is the bent over arms 223 of obtuse angle shape, and side of the bent over arms away from mainboard body is molded oriented mainboard body side
To the extension 224 of extension, a recess is formed between extension and bent over arms；Close to extension side in the second support arm
Side be connected with second support arm 222 perpendicular with it, the end of the second support arm and adjacent another second
Support arm is fastened and connected；The end of second support arm forms connection dop, and adjacent second support arm side is formed with being connected dop
The connects bayonet socket being engaged.
Claims (1)
1. a kind of memorial alloy internal fixation device external member, includes memorial alloy internal fixation device, main frame, and connection cooling master are cooled down
The joint of machine and memorial alloy internal fixation device；
The memorial alloy internal fixation device includes mainboard body；The external wall of mainboard provided with respectively with cooling pipe two ends phase
The inlet opening and fluid hole of connection；Described inlet opening and fluid hole are located at one end end position of mainboard body；The cooling master
Machine includes housing, it is characterised in that：
The memorial alloy internal fixation device also includes being integrally formed multigroup anchor ear arm in mainboard body both sides；The mainboard body and each
Cooling pipe is provided with group anchor ear arm, the cooling pipe is only comprising a pipeline, and cooling pipe is arranged along mainboard body edge,
And extend 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 first support arm
End form connection jaws, connection clip is intraoral to form more than two positioning shoulders；One side of the first support arm
First support arm perpendicular with it is connected with, the end of the first support arm is fastened with another adjacent first support arm to be connected
Connect；The end of first support arm forms connection dop, and adjacent first support arm side is formed with being connected the company that dop is engaged
Connect bayonet socket；
The end of the second support arm is formed with being connected the connecting clip that jaws is engaged, and the second support arm connects with mainboard body
Bent over arms of the place for obtuse angle shape is connect, side of the bent over arms away from mainboard body is molded the extension of oriented mainboard body direction extension
Portion, forms a recess between extension and bent over arms；Close to the side integrally connected of extension side in the second support arm
There is second support arm perpendicular with it, the end of the second support arm is fastened and connected with another adjacent second support arm；Second
The end of support arm forms connection dop, and adjacent second support arm side is formed with being connected the connects bayonet socket that dop is engaged；
The mainboard body is in elongated rectangular shape shape, and mainboard body intermediary form has the rectangular aperture of a strip, and mainboard body is upper
The tensioned lines of more than three are connected between two long sides of rectangular aperture, described tensioned lines one end is fixedly connected with a long side,
The through hole passed through for the tensioned lines other end is formed on described mainboard body, the external wall of mainboard is then molded perpendicular to the position of through hole
There is the screw hole of connection lock-screw；Lock-screw is connected with screw hole by thread interference；
A water storage cavity and an electric chamber will be divided into housing provided with a metal partion (metp) in the housing of the cooling main frame；
Correspondence water storage cavity, which is provided with water filling port, water filling port, above the housing is sealedly connected with lid, correspondence storage below the housing
The position of water cavity, which is provided with the connection-peg being connected with joint, connection-peg, has two fluid passages；It is provided with the water storage cavity
Liquid pump, the outlet of liquid pump is connected with a fluid passage；The electric intracavitary is provided with refrigerating sheet, circuit board and battery, institute
The huyashi-chuuka (cold chinese-style noodles) for stating refrigerating sheet is connected on metal partion (metp)；The lateral wall of the housing correspondence water storage cavity is provided with control liquid pump work
Button switch, the side wall of the electric chamber of the housing correspondence is provided with the toggle switch of control refrigerating sheet；The button switch, stir
Switch, refrigerating sheet and battery are connected with circuit board respectively；At least one beneficial to grasping is formed on the two side of the housing
Group 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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710384860.3A CN107361836B (en) | 2015-12-24 | 2015-12-24 | Memory alloy internal fixator |
| CN201510992991.0A CN105434022B (en) | 2015-12-24 | 2015-12-24 | A kind of memorial alloy internal fixation device external member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510992991.0A CN105434022B (en) | 2015-12-24 | 2015-12-24 | A kind of memorial alloy internal fixation device external member |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710384860.3A Division CN107361836B (en) | 2015-12-24 | 2015-12-24 | Memory alloy internal fixator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105434022A CN105434022A (en) | 2016-03-30 |
| CN105434022B true CN105434022B (en) | 2017-09-05 |
Family
ID=55544977
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510992991.0A Active CN105434022B (en) | 2015-12-24 | 2015-12-24 | A kind of memorial alloy internal fixation device external member |
| CN201710384860.3A Expired - Fee Related CN107361836B (en) | 2015-12-24 | 2015-12-24 | Memory alloy internal fixator |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710384860.3A Expired - Fee Related CN107361836B (en) | 2015-12-24 | 2015-12-24 | Memory alloy internal fixator |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN105434022B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113940745A (en) * | 2021-11-01 | 2022-01-18 | 医诺睿康(北京)科技有限公司 | Memory alloy bone fracture plate |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5658286A (en) * | 1996-02-05 | 1997-08-19 | Sava; Garard A. | Fabrication of implantable bone fixation elements |
| CN1269845A (en) * | 1997-07-15 | 2000-10-11 | 利塔那有限公司 | Implantable medical device of shape memory alloy |
| FR2839880B1 (en) * | 2002-05-21 | 2004-08-20 | Groupe Lepine | INTERVERTEBRAL CONNECTING ROD AND DEVICE FOR STRAIGHTENING RACHIS DEFORMATIONS |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2317822Y (en) * | 1997-12-15 | 1999-05-12 | 兰州记忆合金有限公司 | Split device for setting of fracture |
| CN2433942Y (en) * | 1999-06-14 | 2001-06-13 | 连远步 | Shape memory alloy surrounding fracture setting board |
| CN101480356A (en) * | 2008-01-09 | 2009-07-15 | 宋永强 | Medical hinge type ring-shaped pressure steel plate with lock for department of orthopaedics |
| CN204542344U (en) * | 2015-04-08 | 2015-08-12 | 赵全明 | A kind of spliced blade plate |
| CN205433865U (en) * | 2015-12-24 | 2016-08-10 | 李峰 | Memory alloy internal fixing device |
-
2015
- 2015-12-24 CN CN201510992991.0A patent/CN105434022B/en active Active
- 2015-12-24 CN CN201710384860.3A patent/CN107361836B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5658286A (en) * | 1996-02-05 | 1997-08-19 | Sava; Garard A. | Fabrication of implantable bone fixation elements |
| CN1269845A (en) * | 1997-07-15 | 2000-10-11 | 利塔那有限公司 | Implantable medical device of shape memory alloy |
| FR2839880B1 (en) * | 2002-05-21 | 2004-08-20 | Groupe Lepine | INTERVERTEBRAL CONNECTING ROD AND DEVICE FOR STRAIGHTENING RACHIS DEFORMATIONS |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107361836A (en) | 2017-11-21 |
| CN105434022A (en) | 2016-03-30 |
| CN107361836B (en) | 2020-01-10 |
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