CN207654224U - A kind of memory alloy wire twin beams encircles the sternum fixer of arm containing a pair - Google Patents
A kind of memory alloy wire twin beams encircles the sternum fixer of arm containing a pair Download PDFInfo
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- CN207654224U CN207654224U CN201720508081.5U CN201720508081U CN207654224U CN 207654224 U CN207654224 U CN 207654224U CN 201720508081 U CN201720508081 U CN 201720508081U CN 207654224 U CN207654224 U CN 207654224U
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- twin beams
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- alloy wire
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Abstract
The utility model discloses a kind of memory alloy wire twin beams containing a pair of sternum fixer for encircling arm, including twin beams, twin beams is formed after using a matched doubling in memory alloy wire single-beam both ends, the both ends of twin beams are bent inwardly to be respectively formed one and encircles arm, two, which encircle arm, forms open annular structure, two memory alloy wire single-beams in twin beams stage casing, which expand to squeeze respectively, forms arcuation pressure rings, and two arcuation pressure rings are symmetrical set oval.The utility model is made of a memorial alloy silk material and encircles arm and pressure rings, and it encircles arm and is connect in horizontal, longitudinal space with pressure rings, it is integrally formed, two encircle arm, and by memory alloy wire twin beams to be formed by bending open annular structure cohesive force strong, it is simple in structure, whole smooth without corner angle, immobilized patients breastbone is small to blood vesssls and nerves injuries, foreign body sensation is small and overcome human body respiration expansionary force left and right separation, can persistent pressure, not easily to fall off, safe and reliable, dismounting is simple.
Description
Technical field
The utility model belongs to medical instrument, is related to sternum fixer, and in particular to a kind of memory alloy wire twin beams contains one
To encircling the sternum fixer of arm.
Background technology
The fracture of sternum caused by traffic accident, the reasons such as fall in recent years, fracture of sternum is more serious thoracic injury,
Fracture makes the wall of the chest lose support and soften and cause paradoxical breathing and pendular movement of mediastinum, to seriously affect the breath cycle work(of patient
Can, threat to life.Generally use wire binding, Kirschner wire fixation, Interal fixation and synthetic resin solid in thoracic surgery at present
Surely equal fixators.When doing thoracic surgery, due to the needs 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 intermediate 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, is easy displacement, and due to lung
The tension 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,
Be easy to make steel wire fracture, and longitudinal steel wire is easy to tear on 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 leads to malpractice.Although more firm using Interal fixation, need to drill, is easy to damage retrosternal organ, and body
Interior steel plate is easy to happen cell reaction, needs to carry out second operation taking-up.Although synthetic resin has the characteristics that can absorb, it is not required to
It wants second operation to take fixture, but need to be inserted into ossis when its fixation, be susceptible to infection, and fixed effect is not firm.On
Difficulty is larger when stating existing surgical procedure fixation, and operating time is longer, it is often more important that difficulty is taken out 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 bone plate is made using memorial alloy plank
Although fixing intensity and connective stability is greatly improved, it is easily broken off after such bone plate installation, has crackle, install
Not there is only hidden danger in patient body, and while dismantling, is time-consuming and laborious, and the tool that when dismounting needs is various, and cold compress connects when dismounting
It needs to pry open claw one by one with special pliers cooperation ripping bar after bone plate, time-consuming for disassembly process very complicated, and there are certain wind
Danger, bone plate could smoothly be dismantled by needing medical staff to have certain operating experience, need out chest to rob in some critical cases
It rescues in emergency circumstances, slightly careless manipulation will bring injury to sufferer, serious directly to jeopardize patient vitals.
Utility model content
The utility model is in order to solve above-mentioned problems of the prior art, and safety can after providing a kind of patient's installation
It leans on, containing a pair encircle the memory alloy for breastbone fixator of arm on twin beams easy to loading and unloading.
The utility model adopts the following technical solution：The breastbone that a kind of memory alloy wire twin beams encircles arm containing a pair is fixed
Device, including twin beams, twin beams are formed after using a matched doubling in memory alloy wire single-beam both ends, and the both ends of twin beams are bent inwardly to be divided
One arm Xing Cheng not be encircled, two, which encircle arm, forms open annular structure, and two memory alloy wire single-beams in twin beams stage casing expand difference
It squeezes to form arcuation pressure rings along the direction vertical with plane where open annular structure.
Further, the twin beams formed after the doubling, one end are arc end, and the other end is matched end, and arc end stays
There are aperture, two memory alloy wires at matched end rounded.
Further, two arcuation pressure rings are symmetrical set to form ellipse.
Further, in open annular structure the equal turning-in in arm end is encircled positioned at opening.
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 in equipment, and debugging positioning is carried out according to required length, curvature；
C. silk material is placed on mold, enables heating device and be heat-treated, is bent into circular arc, forming ring folded arm；
D. use end face processing equipment that will encircle arm end terminal reason into fillet；
E. the processing of formed product rear surface, heat treatment, cleaning, packaging.
The utility model has the beneficial effects that：
1, the utility model is simple in structure, and whole smooth is without corner angle, and immobilized patients breastbone is small to blood vesssls and nerves injuries, foreign matter
Feel small and overcomes the left and right of human body respiration expansionary force to detach, energy persistent pressure, not easily to fall off, safe and reliable, convenient disassembly.It is logical
It crosses to be made of a memorial alloy silk material and encircles arm and pressure rings, and encircle arm and connect in horizontal, longitudinal space with pressure rings, one
Body formed, two encircle arm is formed by bending by memory alloy wire twin beams, and cohesive force is strong, is squeezed in the middle part of two single-beams and is pressurizeed in arcuation respectively
Ring, two pressure rings are symmetrical and oval, increase it and integrate the contact area of the breastbone back of a bow with patient's body, increase to reach
Add the purpose of the strength and stability of the back of a bow.Pressure rings are that memory alloy wire single-beam is formed by bending, and reduce to transport the blood of breastbone hiding
Gear is conducive to the soft tissue blood circulation of breastbone revascularization and sternum area, shortens healing cycle.By by two memorial alloys
Arm is encircled in the twin beams bending two ends formation that silk is formed side by side, and only needing cold compress to encircle arm when being dismantled after patient's recovery from illness can open, no
Need auxiliary tool that can easily take out, it is simple and efficient to handle, substantially reduce operative cycle, thoroughly solve safety it is poor,
Plate forming product easy fracture, the problem for having crackle, dismounting cumbersome.
3, the utility model encircles arm and pressure rings are memorial alloy silk material, and silk material cross section is more than plate product, resists
It tensile strength and encircles power, toughness and fatigue resistance and is obtained for prodigious raising, it is fixed not easy to break after installation.
4, 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 avoids respiratory movement that later stage fixture is caused the generations such as to loosen, can restore thorax shape rapidly, hence it is evident that mitigate pain,
The complication such as lung inflammation, atelectasis are reduced to occur.
5, one to encircle arm end be arc end, and another arm end that encircles is matched end, arc end there are aperture, matched end
Two memory alloy wires are rounded；The friction to pleura is reduced after installation to stimulate, and general patient no longer needs to use in hospital after use
Lung ventilator shortens the hospital stays, improves the quality of living, and has restored labour to greatest extent, meets human body to implantation material
It is required that histocompatbility is good, and it is wear-resisting, corrosion-resistant.
6, the utility model has the function of unique " memory ", encircles arm and is formed by bending by memory alloy wire twin beams, fixed
Securely, the equal turning-in in arm end is encircled, lasting self-pressurization annular " cohesive force " is formed after rewarming and is carried for union
Ensure that postoperative fracture end is not easy rotation displacement for good mechanics.
7, simple using the method and process of the utility model, formed product is fast, the product of preparation is preoperative when in use only to be needed
Prepare disinfection ice water, is carried out according to fracture and type selection corresponding length, curvature moulding.It is big according to intercostal size in art
The fixator of small and classification of fracture selection suitable dimension.
Description of the drawings
The structural schematic diagram of Fig. 1 the utility model；
The stereogram of Fig. 2 the utility model；
The vertical view of Fig. 3 the utility model Fig. 1.
In figure：1- single-beams, 2- encircle arm, 3- arcuations pressure rings, 4- hollow outs, 5- arc ends, 6- fillets, 7- apertures, 8- and open
Mouth cyclic structure.
Specific implementation mode
As shown in Figs. 1-3, the memory alloy for breastbone fixator of arm is encircled on a kind of twin beams containing a pair, including using a note
Recall the matched twin beams being folded to form in B alloy wire both ends, the both ends local inclination of twin beams is respectively formed one and encircles arm 2 in the horizontal plane,
Two, which encircle arm 2, forms open annular structure 8, and two memory alloy wires in twin beams stage casing are opposite to be pulled open extruding and form upper and lower arcuation and add
Pressure ring 3, upper and lower arcuation pressure rings 3 are symmetrical, and two pressure rings are relatively oval.The upper arcuation pressure rings are in twin beams
Section is bent upwards to be formed along the direction with horizontal plane, and lower arcuation pressure rings are twin beams stage casings along the direction with horizontal plane
It is bent downwardly to form.In open annular structure 8 the equal turning-in in arm end is encircled positioned at opening.A piece memory alloy wire pair
The both ends formed after folding are matched end and arc end 5, and matched end encircles arm end end, circle for one at open annular structure split shed
Arc end 5 is that another end for encircling arm at open annular structure split shed is last, two memory alloy wires rounded 6 at matched end,
There are apertures 7 for arc end.
When operation, suitable sternum fixer is selected according to breastbone bone type, size, sternum fixer is placed in disinfection cryosel
It after water is fully cooled, struts two with specific purpose tool and encircles opening between arm, make opening slightly larger than suffering from bone diameter, reduction breastbone,
Deformed memory alloy for breastbone fixator is installed, makes two to encircle arm and surrounds reduction breastbone, then with disinfection hot salt brine leaching
The gauze hot compress sternum fixer of bubble makes two openings encircled between arm reduce, and product resets, and completes interior fixed.When breastbone is cured
After conjunction, notch, stripping tissue, the abundant cold compress fixed device of gauze impregnated with disinfection brine ice, two, which encircle arm, to open, and two
Encircle the enlarged open between arm, you can easily take out sternum fixer.
Claims (3)
1. a kind of memory alloy wire twin beams encircles the sternum fixer of arm containing a pair, it is characterised in that：Including twin beams, twin beams uses
It is formed after a piece matched doubling in memory alloy wire single-beam (1) both ends, the twin beams formed after the doubling, one end is arc end
(5), the other end is matched end, and there are aperture (7) for arc end, and two memory alloy wires at matched end are rounded (6), the two of twin beams
End bending inwardly is respectively formed one and encircles arm (2), and two, which encircle arm, forms open annular structure (8), two memories in twin beams stage casing
B alloy wire single-beam expands to be squeezed to form arcuation pressure rings (3) along the direction vertical with plane where open annular structure (8) respectively.
2. a kind of memory alloy wire twin beams as described in claim 1 encircles the sternum fixer of arm containing a pair, it is characterised in that：
Two arcuation pressure rings (3) are symmetrical set to form ellipse.
3. a kind of memory alloy wire twin beams as described in claim 1 encircles the sternum fixer of arm containing a pair, it is characterised in that：
In open annular structure (8) the equal turning-in in arm end is encircled positioned at opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720508081.5U CN207654224U (en) | 2017-05-09 | 2017-05-09 | A kind of memory alloy wire twin beams encircles the sternum fixer of arm containing a pair |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720508081.5U CN207654224U (en) | 2017-05-09 | 2017-05-09 | A kind of memory alloy wire twin beams encircles the sternum fixer of arm containing a pair |
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| CN207654224U true CN207654224U (en) | 2018-07-27 |
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| CN201720508081.5U Active CN207654224U (en) | 2017-05-09 | 2017-05-09 | A kind of memory alloy wire twin beams encircles the sternum fixer of arm containing a pair |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107157563A (en) * | 2017-05-09 | 2017-09-15 | 兰州西脉记忆合金股份有限公司 | A kind of memory alloy wire twin beams is containing the sternum fixer for encircling arm for a pair |
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2017
- 2017-05-09 CN CN201720508081.5U patent/CN207654224U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107157563A (en) * | 2017-05-09 | 2017-09-15 | 兰州西脉记忆合金股份有限公司 | A kind of memory alloy wire twin beams is containing the sternum fixer for encircling arm for a pair |
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Effective date of registration: 20200430 Address after: Suzhou City, Jiangsu province 215126 East Road, Suzhou Industrial Park, No. 18 in energy-saving environmental protection technology (Suzhou) Industrial Park 8 Building Patentee after: Suzhou pulse Biotechnology Co., Ltd. Address before: 730000 Lanzhou, Chengguan District, Gansu Yan Nan Road, No. 14 Patentee before: LANZHOU SEEMINE SHAPE MEMORY ALLOY Co.,Ltd. |