CN107157562A - Containing the sternum fixer for encircling arm for a pair on a kind of memory alloy wire single-beam - Google Patents
Containing the sternum fixer for encircling arm for a pair on a kind of memory alloy wire single-beam Download PDFInfo
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- CN107157562A CN107157562A CN201710321973.9A CN201710321973A CN107157562A CN 107157562 A CN107157562 A CN 107157562A CN 201710321973 A CN201710321973 A CN 201710321973A CN 107157562 A CN107157562 A CN 107157562A
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- arm
- memory alloy
- alloy wire
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- encircle
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- 210000001562 sternum Anatomy 0.000 title claims abstract description 42
- 229910001285 shape-memory alloy Inorganic materials 0.000 title claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 14
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 5
- 238000002360 preparation method Methods 0.000 claims description 4
- 238000003856 thermoforming Methods 0.000 claims description 3
- 240000008042 Zea mays Species 0.000 claims description 2
- 229910000521 B alloy Inorganic materials 0.000 claims 1
- 229910045601 alloy Inorganic materials 0.000 abstract description 4
- 239000000956 alloy Substances 0.000 abstract description 4
- 230000029058 respiratory gaseous exchange Effects 0.000 abstract description 4
- 239000008280 blood Substances 0.000 abstract description 3
- 210000004369 blood Anatomy 0.000 abstract description 3
- 230000006378 damage Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 210000005036 nerve Anatomy 0.000 abstract description 2
- 230000002085 persistent effect Effects 0.000 abstract description 2
- 230000035807 sensation Effects 0.000 abstract description 2
- 208000010392 Bone Fractures Diseases 0.000 description 10
- 206010017076 Fracture Diseases 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 210000000988 bone and bone Anatomy 0.000 description 6
- 210000000038 chest Anatomy 0.000 description 4
- 230000035876 healing Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000001954 sterilising effect Effects 0.000 description 3
- 238000004659 sterilization and disinfection Methods 0.000 description 3
- 239000012267 brine Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 210000004072 lung Anatomy 0.000 description 2
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 210000000115 thoracic cavity Anatomy 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 206010003598 Atelectasis Diseases 0.000 description 1
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 206010035664 Pneumonia Diseases 0.000 description 1
- 208000007123 Pulmonary Atelectasis Diseases 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 208000029224 Thoracic injury Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 230000003601 intercostal effect Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 210000001370 mediastinum Anatomy 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000000803 paradoxical effect Effects 0.000 description 1
- 210000004224 pleura Anatomy 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000036647 reaction Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 230000000250 revascularization Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 210000001835 viscera 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
- A61B17/56—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
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/14—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F1/00—Bending wire other than coiling; Straightening wire
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F11/00—Cutting wire
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2400/00—Materials characterised by their function or physical properties
- A61L2400/16—Materials with shape-memory or superelastic properties
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Surgery (AREA)
- Mechanical Engineering (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Heart & Thoracic Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Neurology (AREA)
- Vascular Medicine (AREA)
- Epidemiology (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses on a kind of memory alloy wire single-beam containing the sternum fixer for encircling arm for a pair, including the single-beam being made of a memory alloy wire, the two ends of single-beam bend formation one respectively and encircle arm inwardly, two encircle arm formation open annular structure, and the stage casing extruding of single-beam is the pressure rings of arc-shaped.The present invention is made by using a memorial alloy silk material and encircles arm and pressure rings, and encircles arm and be connected with pressure rings in horizontal stroke, longitudinal space, is integrally formed；Two encircle arm is bent to form open annular structure by memory alloy wire single-beam, it is simple in construction, whole smooth without corner angle, immobilized patients breastbone is small to blood vesssls and nerves injuries, foreign body sensation is small and overcome the left and right of human body respiration expansionary force to separate, can persistent pressure, difficult for drop-off, safe and reliable.
Description
Technical field
The invention belongs to medicine equipment, it is related to sternum fixer, and in particular to contain a pair on a kind of memory alloy wire single-beam
Encircle the sternum fixer of arm.
Background technology
The fracture of sternum caused by traffic accident, the reason such as fall in recent years, fracture of sternum be than more serious thoracic injury,
Fracture makes the wall of the chest lose support and soften and cause paradoxical breathing and pendular movement of mediastinum, so as to have a strong impact on the breath cycle work(of patient
Can, threat to life.It is generally solid using wire binding, Kirschner wire fixation, Interal fixation and synthetic resin in current thoracic surgery
Surely fixator is waited.When doing thoracic surgery, the need for being treated to patient, it is sometimes desirable to by breastbone along midline incision, hand
Breastbone is tied up or Kirschner wire fixation with stainless steel wire again after the completion of art.When fixed, on the both sides of the middle longitudinal cut of breastbone
Punching, puts on steel wire in hole, after breastbone is closed, then steel wire is tied up.Breastbone belongs to flat bone, easily displacement, and due to lung
The tension force of respiration, it is difficult to control the binding dynamics of steel wire.The too loose of binding does not have a fixed effect, binding it is too tight,
Easily make steel wire fracture, and longitudinal steel wire easily tears breastbone, using steel wire, steel wire easily loosens, cause breastbone poor healing,
The adverse consequences such as healing delay.After breastbone heals, steel wire is not easy to take out, in some instances it may even be possible to be damaged to infrasternal important device
Official, causes malpractice.Although firm using Interal fixation comparison, drilling is needed, retrosternal organ, and body is easily damaged
Easily cell reaction occurs for interior steel plate, it is necessary to carry out second operation taking-up.Although synthetic resin has absorbable feature, it is not required to
Want second operation to take fixture, but need to be inserted during its fixation in ossis, easily infected, and fixed effect is not firm.On
Difficulty is larger when stating existing operation technique fixation, and operating time is longer, it is often more important that take out difficult after healing, if operation
It is improper also to hurt internal organs under chest.With the development of science and technology, bone fracture plate for breastbone, such a bone plate is made using memorial alloy sheet material
It is due to that sheet material is formed by forging, rolling, wire cutting although fixing intensity and connective stability is greatly improved, can
Can there can be interior tissue uneven, the defect such as intensity, plasticity, hardness, such a bone plate there may be risk of breakage after installing,
It is installed in patient body and does not only exist hidden danger, and is wasted time and energy during dismounting, and the instrument needed during dismounting is various, especially tears open
Need to coordinate crowbar to pry open claw one by one with special pliers after cold compress bone plate when unloading, unloading process very complicated, time-consuming, deposits
In risk, bone plate could smoothly be dismantled by generally requiring medical personnel and possessing certain operating experience, be needed in some critical cases
Open chest rescue in emergency circumstances, slightly careless manipulation will bring injury to sufferer, serious meeting directly jeopardizes patient's life
Life.
The content of the invention
In order to solve the above-mentioned problems in the prior art, the invention provides it is a kind of to patient safety and install, tear open
Unload convenient memory alloy for breastbone fixator.
The present invention is adopted the following technical scheme that：Containing the sternum fixer for encircling arm for a pair on a kind of memory alloy wire single-beam,
Including the single-beam being made of a memory alloy wire, the two ends of single-beam bend formation one respectively and encircle arm inwardly, and two encircle
Arm formation open annular structure, single-beam stage casing extrudes to form arc-shaped along the direction vertical with plane where open annular structure
Pressure rings.
Further, it is located in open annular structure at opening and encircles the equal turning-in in arm end.
Further, be located in open annular structure at opening to encircle arm end end rounded.
A kind of preparation process of above-mentioned memory alloy for breastbone fixator, specifically includes following steps：
A. silk material fixed length is cut according to the length of required memory alloy for breastbone fixator；
B. starting device, installs corresponding mould, debugging positioning in equipment；
C. silk material is placed on mould, enables heater and carry out thermoforming, be bent into circular arc, forming ring arm；
D. arm end terminal will be encircled using end face processing equipment and manages into fillet；
E. it is surface-treated, be heat-treated, clean, packs after formed product.
The beneficial effects of the invention are as follows：
1st, the present invention is made by using a memorial alloy silk material and encircles arm and pressure rings, and encircle arm and pressure rings in it is horizontal,
Longitudinal space is connected, and is integrally formed；Two encircle arm is bent to form open annular structure by memory alloy wire single-beam, simple in construction,
Whole smooth is without corner angle, and immobilized patients breastbone is small to blood vesssls and nerves injuries, foreign body sensation is small and overcomes a left side for human body respiration expansionary force
Right separation, can persistent pressure, difficult for drop-off, safe and reliable.Only needing cold compress to encircle arm when being dismantled after patient's recovery from illness can open, no
Need aid just can easily take out, it is simple and efficient to handle, substantially reduce operative cycle, thoroughly solve security it is poor,
Plate forming product easy fracture, the problem of having crackle, dismantle cumbersome, it is adaptable to the less patient of wound.
2nd, pressure rings are extruded by single-beam stage casing can be effectively increased the strength and stability of the back of a bow, memory alloy wire in arc-shaped
The pressure rings and internal contact area of material shaping are few, reduce and the blood fortune of breastbone is blocked, be conducive to breastbone revascularization and breastbone
The soft tissue blood circulation in region, shortens healing cycle.
3rd, the present invention encircles arm and pressure rings are memorial alloy silk material, and silk material cross section is more than plate product, and tension is strong
Spend and encircle power, toughness and fatigue resistance are obtained for very big raising, fixed not easy to break after installation.
4th, arm and pressure rings are encircled in horizontal, longitudinally disposed, it is easy to install, it is fixed after installation, lower fracture of sternum significantly
Operating difficulty, it is to avoid respiratory movement cause later stage fixture release wait occur, thorax shape can be recovered rapidly, hence it is evident that mitigation pain,
The complication such as lung inflammation, atelectasis are reduced to occur.
5th, encircle that arm end end is rounded, the friction to pleura is reduced after installation to stimulate, using patient as latter without live again
Chief minister's lung ventilator, shortens the hospital stays, improves the quality of living, and has recovered labour to greatest extent, meets human body to implantation
The requirement of material, histocompatbility is good, and wear-resisting, corrosion-resistant.
6th, the present invention has unique " memory " function, encircles arm and is bent to form by memory alloy wire single-beam, encircles arm end
The equal turning-in in portion, forms lasting self-pressurization annular " cohesive force " after rewarming and good mechanics guarantor is provided for union
Card, postoperative fracture end is difficult rotation displacement.
7th, using the present invention method technique is simple, formed product fast, the product of preparation is preoperative when in use only to be needed to prepare
Frozen water is sterilized, is carried out according to fracture and type selecting corresponding length, curvature moulding.In art according to intercostal size and
Classification of fracture selects the fixator of suitable dimension.
Brief description of the drawings
The structural representation of Fig. 1 present invention；
The stereogram of Fig. 2 present invention；
Fig. 3 Fig. 1 of the present invention top view.
In figure：1- single-beams, 2- encircle arm, 3- pressure rings, 4- fillets, 5- open annular structures.
Embodiment
The sternum fixer of arm is encircled containing a pair on a kind of memory alloy wire single-beam, including uses a memory alloy wire system
Into single-beam 1, the two ends of single-beam 1 are bent inwardly relatively to be formed one and encircles arm 2 respectively, and two encircle arm 2 forms opening on vertical face
Cyclic structure 5, direction extruding bends the pressure rings 3 for forming arc-shaped in the horizontal plane along the horizontal plane in the stage casing of single-beam.Single-beam
The place plane of stage casing pressure rings 3 and the place plane of open annular structure 5 are perpendicular.It is located at the ring at opening in open annular structure
The equal turning-in in the end of arm 2.It is located in open annular structure at opening and encircles the end of arm 2 end rounded 4.
Containing the sternum fixer for encircling arm for a pair, its preparation process on a kind of memory alloy wire single-beam：
1. the length of memory alloy for breastbone fixator is cut to silk material fixed length according to needed for patient, 2. starting devices, in equipment
Corresponding mould is installed, debugging is positioned, and 3. are placed in silk material on mould, enable heater thermoforming, are bent into circular arc, forming ring
Arm, 4., which use end face processing equipment to encircle arm end terminal, manages into surface treatment after fillet, 6. formed products, is heat-treated, clearly
Wash, pack.
During operation, suitable sternum fixer is selected according to breastbone bone type, size, sternum fixer is placed in sterilization cryosel
After water is sufficiently cool, two openings encircled between arm are strutted with specific purpose tool, is slightly larger than opening and suffers from bone diameter, reduction breastbone,
Memory alloy for breastbone fixator after deformation is installed, the gauze hot compress sternum fixer soaked with sterilization hot salt brine, two encircle arm
Between opening reduce, reset product, complete in it is fixed.After breastbone heals, otch, stripping tissue, with sterilization brine ice
The abundant cold compress fixed device of gauze soaked, two enlarged opens encircled between arm, you can easily take out sternum fixer.
Claims (4)
1. containing the sternum fixer for encircling arm for a pair on a kind of memory alloy wire single-beam, it is characterised in that：Including using a note
Recall the single-beam (1) that B alloy wire is made, the two ends of single-beam (1) bend formation one respectively and encircle arm (2) inwardly, and two, which encircle arm, forms
Open annular structure (5), single-beam stage casing extrudes to form arc-shaped along the direction vertical with plane where open annular structure (5)
Pressure rings (3).
2. containing the sternum fixer for encircling arm for a pair on a kind of memory alloy wire single-beam as claimed in claim 1, its feature exists
In：It is located in open annular structure (5) at opening and encircles the equal turning-in in arm (2) end.
3. containing the sternum fixer for encircling arm for a pair on a kind of memory alloy wire single-beam as claimed in claim 1, its feature exists
In：Be located in open annular structure at opening to encircle arm end end rounded (4).
4. a kind of preparation process of memory alloy for breastbone fixator as claimed in claim 1, it is characterised in that：Specifically include with
Lower step：
A. silk material fixed length is cut according to the length of required memory alloy for breastbone fixator；
B. starting device, installs corresponding mould, debugging positioning in equipment；
C. silk material is placed on mould, enables heater and carry out thermoforming, be bent into circular arc, forming ring arm；
D. arm end terminal will be encircled using end face processing equipment and manages into fillet；
E. it is surface-treated, be heat-treated, clean, packs after formed product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710321973.9A CN107157562A (en) | 2017-05-09 | 2017-05-09 | Containing the sternum fixer for encircling arm for a pair on a kind of memory alloy wire single-beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710321973.9A CN107157562A (en) | 2017-05-09 | 2017-05-09 | Containing the sternum fixer for encircling arm for a pair on a kind of memory alloy wire single-beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107157562A true CN107157562A (en) | 2017-09-15 |
Family
ID=59813024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710321973.9A Pending CN107157562A (en) | 2017-05-09 | 2017-05-09 | Containing the sternum fixer for encircling arm for a pair on a kind of memory alloy wire single-beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107157562A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1357303A (en) * | 2000-12-15 | 2002-07-10 | 兰州西脉记忆合金股份有限公司 | Flexible fracture setting claw |
| JP2003275218A (en) * | 2002-01-17 | 2003-09-30 | Usami Nano Technology:Kk | Internal neck clip pin coil, separation appliance in living body and in-vivo separation appliance equipped with rearrangement and recovery mechanism |
| CN2764319Y (en) * | 2005-01-17 | 2006-03-15 | 兰州西脉记忆合金股份有限公司 | Encirclement type breast bone plate |
| CN201595921U (en) * | 2010-01-05 | 2010-10-06 | 江苏亚华生物科技工程有限公司 | Multiple sternum fracture memory alloy internal fixation system |
| CN201755247U (en) * | 2010-07-29 | 2011-03-09 | 北京西脉记忆合金有限公司 | Sternum bone plate and special Y-shaped crow bar thereof |
| CN207654226U (en) * | 2017-05-09 | 2018-07-27 | 兰州西脉记忆合金股份有限公司 | The sternum fixer of arm is encircled on a kind of memory alloy wire single-beam containing a pair |
-
2017
- 2017-05-09 CN CN201710321973.9A patent/CN107157562A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1357303A (en) * | 2000-12-15 | 2002-07-10 | 兰州西脉记忆合金股份有限公司 | Flexible fracture setting claw |
| JP2003275218A (en) * | 2002-01-17 | 2003-09-30 | Usami Nano Technology:Kk | Internal neck clip pin coil, separation appliance in living body and in-vivo separation appliance equipped with rearrangement and recovery mechanism |
| CN2764319Y (en) * | 2005-01-17 | 2006-03-15 | 兰州西脉记忆合金股份有限公司 | Encirclement type breast bone plate |
| CN201595921U (en) * | 2010-01-05 | 2010-10-06 | 江苏亚华生物科技工程有限公司 | Multiple sternum fracture memory alloy internal fixation system |
| CN201755247U (en) * | 2010-07-29 | 2011-03-09 | 北京西脉记忆合金有限公司 | Sternum bone plate and special Y-shaped crow bar thereof |
| CN207654226U (en) * | 2017-05-09 | 2018-07-27 | 兰州西脉记忆合金股份有限公司 | The sternum fixer of arm is encircled on a kind of memory alloy wire single-beam containing a pair |
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Application publication date: 20170915 |