CN107184262A - It is a kind of to contain three pairs of memory alloy wire sternum fixers for encircling arm - Google Patents
It is a kind of to contain three pairs of memory alloy wire sternum fixers for encircling arm Download PDFInfo
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- CN107184262A CN107184262A CN201710322378.7A CN201710322378A CN107184262A CN 107184262 A CN107184262 A CN 107184262A CN 201710322378 A CN201710322378 A CN 201710322378A CN 107184262 A CN107184262 A CN 107184262A
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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
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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
- A61B2017/00526—Methods of manufacturing
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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
- A61B2017/00831—Material properties
- A61B2017/00867—Material properties shape memory effect
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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
- A61B2017/564—Methods for bone or joint treatment
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Abstract
Contain three pairs of memory alloy wire sternum fixers for encircling arm the invention discloses a kind of, it is made up of a memory alloy wire containing three pairs of integrated formed structures for encircling arm, two per centering, which encircle the opposite turning-in of arm, forms open annular structure, three open annular structures are arranged in parallel, each arm of encircling is bent to form side by side by two memory alloy wires, each arm top two memory alloy wires arranged side by side of encircling expand to form hunchbacked arm single-beam, the adjacent two hunchbacked arm single-beam stage casings encircled between arm extrude the pressure rings to form arc-shaped inwardly, all pressure rings are in the same plane.The present invention is made containing three pairs of sternum fixers for encircling arm and six pressure rings by using a memorial alloy silk material, it is adaptable to the larger patient of wound.Immobilized patients breastbone is small to blood vesssls and nerves injuries, foreign body sensation is small, difficult for drop-off, safe and reliable, only needs cold compress when being dismantled after patient's recovery from illness, it is not necessary to which aid just can easily take out, simple and efficient to handle.
Description
Technical field
The invention belongs to medicine equipment, it is related to sternum fixer, and in particular to a kind of to contain three pairs of memorial alloys for encircling arm
Silk sternum fixer.
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 model that such a bone fracture plate for breastbone is especially installed when wound is larger is larger, bigger with patient contact area, dismantles more numerous
It is trivial.
The content of the invention
In order to solve above-mentioned problems of the prior art, contain three pairs of memory conjunctions for encircling arm the invention provides a kind of
Golden sternum fixer.
The present invention is adopted the following technical scheme that：It is a kind of to contain three pairs of memory alloy wire sternum fixers for encircling arm, by one
Memory alloy wire is made containing three pairs of integrated formed structures for encircling arm, and two per centering, which encircle the opposite turning-in of arm, forms and opens
Mouth cyclic structure, three open annular structures are arranged in parallel, and each arm of encircling is bent to form side by side by two memory alloy wires,
Each arm top two memory alloy wires arranged side by side of encircling expand to form hunchbacked arm single-beam, the adjacent two hunchbacked arms encircled between arm
Single-beam stage casing extrudes the pressure rings to form arc-shaped inwardly, and all pressure rings are in the same plane.
Further, form twin beams after a matched doubling in single-beam memory alloy wire two ends, encircle in arm six for three pairs and encircle
Arm by the twin beams two ends be bent downwardly to form in opposite directions first and second encircle between arm and the twin beams two ends 1/3 and 2/3
Two memory alloy wires at place are pulled open respectively merge after be bent downwardly to form third and fourth encircle arm and the five, the six encircle arm group
Into, wherein, first and third encircles arm forms the first open annular structures for a pair, and fourth, fifth encircles arm opens for a pair of formation second
Mouthful cyclic structure, the 6th and second to encircle arm be a pair of the 3rd open annular structures of formation.
Further, the pressure rings of arc-shaped are six to encircle the two hunchbacked arm single-beams encircled between arm adjacent in arm equal
Extruding is formed inwardly, and six pressure rings are three pairs and in the same plane, and one pair of which is in symmetrical above and below, and two pairs right in left and right
Claim, hollow out is respectively formed between the top of six pressure rings and between the tail end of adjacent two pressure rings.
Further, the split ring of three open annular structures is in the same size.
Further, it is located in two open annular structures at opening and encircles the equal turning-in in arm end.
Further, the two ends formed after a memory alloy wire doubling are matched end and arc end, and matched end is first
Arm end end is encircled, arc end is the second end end for encircling arm, and two memory alloy wires at matched end are rounded.
Further, third and fourth, five, six encircle arm end end also be arc end.
Further, arc end by memory alloy wire roll over after formed, arc end leaves aperture.
It is a kind of it is above-mentioned contain three pairs of preparation process for encircling the memory alloy for breastbone fixator of arm, specifically include 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 in equipment, and debugging jig is carried out according to required length, curvature；
C. silk material is placed on mould, enables heater and be heat-treated, reach certain temperature, matched moulds is moulding, is bent into circle
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 containing three pairs of sternum fixers for encircling arm and six pressure rings, ring by using a memorial alloy silk material
Arm and pressure rings, are connected, it is adaptable to the larger patient of wound in horizontal, longitudinal direction space.Each arm of encircling is by memorial alloy
Silk twin beams is bent to form, fixation, lasting self-pressurization annular " cohesive force " is formed after rewarming relatively by force, fracture end is difficult
Rotation displacement.Described arm of encircling is integrally formed with pressure rings, and whole smooth is damaged without corner angle, immobilized patients breastbone to nervus vasculairs
Hinder small, foreign body sensation it is small and overcome the left and right of human body respiration expansionary force separate, can persistent pressure, difficult for drop-off, safe and reliable, trouble
Cold compress is only needed when being dismantled after person's recovery from illness, it is not necessary to which aid just can easily take out, simple and efficient to handle, substantially reduce
Operative cycle, thoroughly solves that security is poor, plate forming product easy fracture, the problem of having crackle, dismantle cumbersome.
2nd, the present invention increases the contact area of the back of a bow, so as to add by three pairs of symmetrical arc-shaped pressure rings
Hunchbacked strength and stability, it is adaptable to which the larger patient of wound uses, and the pressure rings and patient's chest of the shaping of memorial alloy silk material
The contact area at the bone back side is few, reduces and the blood fortune of breastbone is blocked, be conducive to breastbone revascularization and the soft tissue of sternum area
Blood circulation, shortens healing cycle.
3rd, the present invention encircles that arm is twin beams and pressure rings are that single-beam is memorial alloy silk material, and silk material cross section is more than sheet material
Product, tensile strength and encircles power, toughness and fatigue resistance and is obtained for very big raising, fixed not easily broken after installation
Split.
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, arm end in five rings is set to arc end, and one encircles arm end to be set to matched end, and arc end leaves aperture,
Two memory alloy wires at matched end are rounded；The friction to pleura is reduced after installation to stimulate, and arc end, which leaves aperture, makes patient
Blood circulation is smooth, use lung ventilator without being in hospital again using patient as latter, shorten the hospital stays, improve the quality of living,
Labour is recovered to greatest extent, has met requirement of the human body to implantation material, histocompatbility is good and wear-resisting, corrosion-resistant.
6th, the present invention has unique " memory " function, encircles the equal turning-in in arm end, is formed and continued after rewarming
Self-pressurization ring provide good mechanics for union and ensure that cohesive force is strong, encircle the obvolvent of arm end and consolidate.
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. 2 of the present invention top view.
In figure：1- back of a bow arm single-beam, 2- first, which encircle arm, 3- second and encircle arm, 4- the 3rd, to be encircled arm, 5- the 4th and encircles
Arm, 6- five rings arm, 7- the 6th encircle arm, 8- pressure rings, 9- hollow outs, 10- arc ends, 11- fillets, 12- apertures, 13- and opened
Mouth cyclic structure.
Embodiment
It is a kind of to contain three pairs of memory alloy wire sternum fixers for encircling arm as shown in Fig. 1,2, by a memory alloy wire
It is made and contains three pairs of integrated formed structures for encircling arm, two per centering, which encircle the opposite turning-in of arm, forms open annular knot
Structure, three open annular structures are arranged in parallel, and each arm of encircling is bent to form side by side by two memory alloy wires, each to encircle
Arm top two memory alloy wires arranged side by side expand to form hunchbacked arm single-beam, the adjacent two hunchbacked arm single-beams encircled between arm top
Stage casing extrudes the pressure rings to form arc-shaped inwardly, and all pressure rings are in the same plane.
As shown in figure 1, wherein, encircling arm for three pairs and forming twin beams after a matched doubling in the two ends of memory alloy wire single-beam 1
It is made, the two ends of twin beams are bent downwardly to form first be parallel to each other and encircle arm 2, second encircle between arm 3, twin beams two ends in opposite directions
1/3 at and 2/3 at two memory alloy wires be bent to form the 3rd be parallel to each other separately down and encircle arm the 4, the 4th and encircle
Arm 5, and five rings arm the 6, the 6th encircle arm 7；First encircle arm 2 and the 3rd encircle arm 4 for a pair of formation the first open annulars
Structure 13, Fourth Ring arm 5 and five rings arm 6 are second pair of second open annular structure of formation, and the 6th encircles arm 7 and second
It is the 3rd pair of the 3rd open annular structure of formation to encircle arm 3.Three open annular structures are arranged in parallel, and split ring size one
Cause.It is that open annular encircles the two hunchbacked equal courts in arm single-beam stage casing encircled between arm adjacent in arm, six that six, which are encircled arm,
Interior to extrude the pressure rings 8 for forming arc-shaped, six pressure rings 8 are three pairs and in the same plane, and one pair of which is in right up and down
Claim, two pairs symmetrical, and hollow out 9 is respectively formed between the top of six pressure rings 8 and between the tail end of adjacent two pressure rings.
In two open annular structures be located at opening at be in encircle the equal turning-in in arm end.An above-mentioned memory alloy wire doubling
The two ends formed afterwards are matched end and arc end 10, and matched end encircles arm end end for first, and arc end is the second end for encircling arm
End, two memory alloy wires rounded 11 at matched end.Third and fourth, five, six encircle arm end end also be arc end 10.Circular arc
End by memory alloy wire roll over after formed, arc end leaves aperture 12.
It is a kind of it is above-mentioned contain three pairs of preparation process for encircling the memory alloy for breastbone fixator of arm, specifically include 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 in equipment, and debugging jig is carried out according to required length, curvature；
C. silk material is placed on mould, enables heater and be heat-treated, reach certain temperature, matched moulds is moulding, is bent into circle
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.
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, the opening that each pair is encircled between arm in three open annular structures is strutted with specific purpose tool, is slightly larger than opening
Suffer from bone diameter, reduction breastbone installs the memory alloy for breastbone fixator after deformation, the gauze hot compress chest soaked with sterilization hot salt brine
Bone anchor, reduces the opening that each pair is encircled between arm in the three open annular structures strutted, product resets, and completes interior solid
It is fixed.After breastbone heals, otch, stripping tissue, the abundant cold compress fixed device of gauze soaked with sterilization brine ice, three split rings
The enlarged open that each pair is encircled between arm in shape structure, you can easily take out sternum fixer.
Claims (9)
1. a kind of contain three pairs of memory alloy wire sternum fixers for encircling arm, it is characterised in that：It is made up of a memory alloy wire
Containing three pairs of integrated formed structures for encircling arm, two per centering, which encircle the opposite turning-in of arm, forms open annular structure
（13）, three open annular structures（13）Arranged in parallel, each arm of encircling is bent to form side by side by two memory alloy wires, often
One, which encircles arm top two memory alloy wires arranged side by side, expands to form hunchbacked arm single-beam（1）, adjacent two back of a bow encircled between arm
Arm single-beam（1）Stage casing extrudes the pressure rings to form arc-shaped inwardly（8）, all pressure rings are in the same plane.
2. a kind of as claimed in claim 1 contain three pairs of memory alloy wire sternum fixers for encircling arm, it is characterised in that：One
Form twin beams after the matched doubling in single-beam memory alloy wire two ends, three pairs are encircled in arm six to encircle arm downward in opposite directions by the twin beams two ends
First and second be bent to form encircles arm（2,3）And two memory alloy wires at 1/3 between the twin beams two ends and at 2/3
Pull open respectively merge after be bent downwardly to form third and fourth encircle arm（4,5）And the five, the six encircle arm（6,7）Composition, wherein,
First and third encircles arm（2,4）For a pair of the first open annular structures of formation, fourth, fifth encircles arm（5,6）Second is formed for a pair
Open annular structure, the 6th and second encircles arm（7,3）For a pair of the 3rd open annular structures of formation.
3. a kind of as claimed in claim 2 contain three pairs of memory alloy wire sternum fixers for encircling arm, it is characterised in that：Circular arc
The pressure rings of shape（8）The two hunchbacked arms encircled between arm adjacent in arm are encircled for six（1）Extruding is formed single-beam inwardly, and six
Individual pressure rings（8）For three pairs and in the same plane, one pair of which is in symmetrical above and below, and two pairs symmetrical, six pressurizations
Hollow out is respectively formed between the top of ring and between the tail end of adjacent two pressure rings（9）.
4. a kind of as described in claim 1,2 or 3 contains three pairs of memory alloy wire sternum fixers for encircling arm, its feature exists
In：Three open annular structures（13）Split ring it is in the same size.
5. a kind of as claimed in claim 4 contain three pairs of memory alloy wire sternum fixers for encircling arm, it is characterised in that：Two open
It is located in mouth cyclic structure at opening and encircles the equal turning-in in arm end.
6. a kind of as described in claim 2,3 or 5 contains three pairs of memory alloy wire sternum fixers for encircling arm, its feature exists
In：The two ends formed after a piece memory alloy wire doubling are matched end and arc end, and matched end encircles arm for first（2）End end,
Arc end encircles arm for second（3）End end, two memory alloy wires at matched end are rounded（11）.
7. a kind of as claimed in claim 6 contain three pairs of memory alloy wire sternum fixers for encircling arm, it is characterised in that：
Third and fourth, five, six encircle arm（4,5,6,7）End end also be arc end（10）.
8. a kind of as claimed in claim 7 contain three pairs of memory alloy wire sternum fixers for encircling arm, it is characterised in that：Circular arc
End by memory alloy wire roll over after formed, arc end（10）Leave aperture（12）.
9. 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 in equipment, and debugging jig is carried out according to required length, curvature；
C. silk material is placed on mould, enables heater and carry out thermoforming, reach certain temperature, matched moulds is moulding, is bent into circle
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 |
|---|---|---|---|
| CN201710322378.7A CN107184262A (en) | 2017-05-09 | 2017-05-09 | It is a kind of to contain three pairs of memory alloy wire sternum fixers for encircling arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710322378.7A CN107184262A (en) | 2017-05-09 | 2017-05-09 | It is a kind of to contain three pairs of memory alloy wire sternum fixers for encircling arm |
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| Publication Number | Publication Date |
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| CN107184262A true CN107184262A (en) | 2017-09-22 |
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ID=59872836
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710322378.7A Pending CN107184262A (en) | 2017-05-09 | 2017-05-09 | It is a kind of to contain three pairs of memory alloy wire sternum fixers for encircling arm |
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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 |
| 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 |
| CN201216640Y (en) * | 2008-05-08 | 2009-04-08 | 兰州西脉记忆合金股份有限公司 | Bone fracture plate of memory alloy for breastbone |
| 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 |
| US20140207197A1 (en) * | 2013-01-22 | 2014-07-24 | Medxpert Gmbh | System for osteosythesis of the sternum |
| CN207654227U (en) * | 2017-05-09 | 2018-07-27 | 兰州西脉记忆合金股份有限公司 | It is a kind of to contain three pairs of memory alloy wire sternum fixers for encircling arm |
-
2017
- 2017-05-09 CN CN201710322378.7A patent/CN107184262A/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 |
| 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 |
| CN201216640Y (en) * | 2008-05-08 | 2009-04-08 | 兰州西脉记忆合金股份有限公司 | Bone fracture plate of memory alloy for breastbone |
| 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 |
| US20140207197A1 (en) * | 2013-01-22 | 2014-07-24 | Medxpert Gmbh | System for osteosythesis of the sternum |
| CN207654227U (en) * | 2017-05-09 | 2018-07-27 | 兰州西脉记忆合金股份有限公司 | It is a kind of to contain three pairs of memory alloy wire sternum fixers for encircling arm |
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