CN207654227U - 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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- CN207654227U CN207654227U CN201720509154.2U CN201720509154U CN207654227U CN 207654227 U CN207654227 U CN 207654227U CN 201720509154 U CN201720509154 U CN 201720509154U CN 207654227 U CN207654227 U CN 207654227U
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Abstract
Containing three pairs of memory alloy wire sternum fixers for encircling arm the utility model discloses a kind of, the integrated formed structure for encircling arm containing three pairs is made by a memory alloy wire, 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 formed by bending 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 squeeze the pressure rings for forming arc-shaped inwardly, all pressure rings are in the same plane.The sternum fixer for encircling arm and six pressure rings containing three pairs is made by using a memorial alloy silk material in the utility model, is suitable for the larger patient of wound.Immobilized patients breastbone is small to blood vesssls and nerves injuries, foreign body sensation is small, not easily to fall off, safe and reliable, only needs cold compress when being dismantled after patient's recovery from illness, not needing auxiliary tool can easily take out, simple and efficient to handle.
Description
Technical field
The utility model belongs to medical instrument, is related to sternum fixer, and in particular to a kind of to contain three pairs of memories for encircling arm
B alloy wire sternum fixer.
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
It, can since plank is formed by forging, rolling, wire cutting although fixing intensity and connective stability is greatly improved
It is uneven there is an interior tissue, the defects of intensity, plasticity, hardness, there may be risk of breakage after such bone plate installation,
It is time-consuming and laborious when being installed in patient body not there is only hidden danger, and dismantling, and the tool that while dismantling needs is various, especially tears open
It needs to pry open claw one by one with special pliers cooperation crowbar after cold compress bone plate when unloading, disassembly process very complicated, time-consuming, deposits
In risk, bone plate could smoothly be dismantled by generally requiring medical staff and having certain operating experience, be needed in some critical cases
Open chest rescue in emergency circumstances, slightly careless manipulation will bring injury to sufferer, serious directly to jeopardize patient's life
Life.The model that such bone fracture plate for breastbone is especially installed when wound is larger is larger, and with patient contact area bigger, dismounting is more numerous
It is trivial.
Utility model content
In order to solve above-mentioned problems of the prior art, the utility model, which provides, a kind of containing three pairs of notes for encircling arm
Recall alloy sternum fixer.
The utility model adopts the following technical solution：It is a kind of to contain three pairs of memory alloy wire sternum fixers for encircling arm, by
The integrated formed structure for encircling arm containing three pairs is made in a piece memory alloy wire, and two per centering encircle the opposite turning-in shape of arm
At open annular structure, three open annular structures are arranged in parallel, and each arm of encircling is bent side by side by two memory alloy wires
Formed, each two arranged side by side memory alloy wires of arm top of encircling expand to form hunchbacked arm single-beam, adjacent two encircle arm top it
Between hunchbacked arm single-beam stage casing squeeze the pressure rings for forming arc-shaped inwardly, all pressure rings are in the same plane.
Further, it forms twin beams after a matched doubling in single-beam memory alloy wire both ends, encircles in arm six for three pairs and encircle
Arm is encircled 1/3 and 2/3 between arm and the twin beams both ends by first and second that the twin beams both ends are bent downwardly to form in opposite directions
Two memory alloy wires at place pull open respectively merge after be bent downwardly to form third and fourth encircle arm and the five, the six encircle arm group
At, wherein first and third encircles arm forms the first open annular structure to be a pair of, and fourth, fifth encircles arm opens for a pair of of formation second
Mouth cyclic structure, the 6th and second encircles arm as a pair of of formation third open annular structure.
Further, the pressure rings of arc-shaped are six to encircle in arm the hunchbacked arm single-beam that adjacent two encircle between arm equal
It squeezes and is formed inwardly, six pressure rings are for three pairs and in the same plane, and one pair of which is in symmetrical above and below, and two pairs in left and right pair
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, in two open annular structures the equal turning-in in arm end is encircled positioned at opening.
Further, the both 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 to encircle the end ends of arm also be arc end.
Further, it is formed after arc end is rolled over by memory alloy wire, there are apertures for arc end.
A kind of above-mentioned preparation process for containing the memory alloy for breastbone fixator that three pairs are encircled arm, 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 mold is carried out according to required length, curvature；
C. silk material is placed on mold, enables heating device and is heat-treated, reach certain temperature, molding is moulding, bending
For 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 breastbone for encircling arm and six pressure rings containing three pairs is made by using a memorial alloy silk material in the utility model
Fixator encircles arm and pressure rings, in horizontal, longitudinal space connection, is suitable for the larger patient of wound.It is each encircle arm by
Memory alloy wire twin beams is formed by bending, fixation, lasting self-pressurization annular " cohesive force " is formed after rewarming relatively by force, bone
Folding end is not easy rotation displacement.The arm of encircling is integrally formed with pressure rings, and whole smooth is without corner angle, and immobilized patients breastbone is to blood
Pipe neurotrosis is small, 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
Reliably, cold compress is only needed when being dismantled after patient's recovery from illness, not needing auxiliary tool can easily take out, simple and efficient to handle, big
Operative cycle is shortened greatly, thoroughly solves the problem that safety is poor, plate forming product easy fracture, has crackle, dismounting cumbersome.
2, the utility model increases the contact area of the back of a bow, to increase by three pairs of symmetrical arc-shaped pressure rings
Hunchbacked strength and stability is added, has been suitable for the larger patient of wound and uses, and the molding pressure rings of memorial alloy silk material and trouble
The contact area at the breastbone back side is few in person's body, reduces and is blocked to the blood fortune of breastbone, is conducive to breastbone revascularization and sternum area
Soft tissue blood circulation, shorten healing cycle.
3, the utility model encircles that arm is twin beams and pressure rings be single-beam are memorial alloy silk material, and silk material cross section is more than
Plate product, tensile strength and encircles power, toughness and fatigue resistance and is obtained for prodigious raising, after installation it is fixed not
Easy fracture.
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, folded arm end in five rings is set as arc end, and one to encircle arm end be to be set as matched end, arc end there are aperture,
Two memory alloy wires at matched end are rounded；Being reduced after installation stimulates the friction of pleura, arc end there are aperture make blood
Liquid flows smoothly, and general patient no longer needs to use lung ventilator in hospital after use, shortens the hospital stays, improves the quality of living, most
Limits have restored labour, meet requirement of the human body to implantation material, histocompatbility is good, and wear-resisting, corrosion-resistant.
6, the utility model has the function of unique " memory ", encircles the equal turning-in in arm end, is formed after rewarming
Lasting self-pressurization ring provides good mechanics for union and ensures that cohesive force is strong, and it is firm to encircle the obvolvent of arm end.
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. 2.
In figure：1- back of a bow arms single-beam, 2- first encircle that arm, 3- second encircles arm, 4- thirds encircle arm, 5- the 4th is encircled
Arm, the five rings 6- folded arm, 7- the 6th encircle arm, 8- pressure rings, 9- hollow outs, 10- arc ends, 11- fillets, 12- apertures, 13- and open
Mouth cyclic structure.
Specific implementation mode
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 encircle the opposite turning-in of arm and form open annular knot
Structure, three open annular structures are arranged in parallel, and each arm of encircling is formed by bending 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, and adjacent two encircle the hunchbacked arm single-beam stage casing between arm
The pressure rings for forming arc-shaped are squeezed inwardly, and all pressure rings are in the same plane.
As shown in Figure 1, wherein three pairs are encircled arm, by forming twin beams after a matched doubling in 1 both ends of memory alloy wire single-beam
It is made, the both ends of twin beams are bent downwardly to form first to be mutually parallel and encircle arm 2, second encircle arm 3 in opposite directions, between twin beams both ends
1/3 at and 2/3 at two memory alloy wires be formed by bending the third being mutually parallel separately down and encircle arm the 4, the 4th and encircle
Arm 5 and five rings folded arm the 6, the 6th encircle arm 7；First encircle arm 2 and third to encircle arm 4 be a pair of to form the first open annular
Structure 13, Fourth Ring folded arm 5 and five rings folded arm 6 are second pair of second open annular structure of formation, and the 6th encircles arm 7 and second
Encircle arm 3 be third to formed third open annular structure.Three open annular structures are arranged in parallel, and split ring size one
It causes.It is that open annular encircles arm that six, which are encircled arm, and adjacent two encircle the equal court in hunchbacked arm single-beam stage casing between arm in six
Interior to squeeze the pressure rings 8 for forming arc-shaped, six pressure rings 8 are for 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 positioned at opening in encircle the equal turning-in in arm end.An above-mentioned memory alloy wire doubling
The both ends formed afterwards are matched end and arc end 10, and matched end is the first end for encircling that arm end is last, and arc end encircles arm for second
End, two memory alloy wires rounded 11 at matched end.Third and fourth, five, six to encircle the end ends of arm also be arc end 10.Circular arc
End is formed after being rolled over by memory alloy wire, and there are apertures 12 for arc end.
A kind of above-mentioned preparation process for containing the memory alloy for breastbone fixator that three pairs are encircled arm, 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 mold is carried out according to required length, curvature；
C. silk material is placed on mold, enables heating device and is heat-treated, reach certain temperature, molding is moulding, bending
For 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.
When operation, suitable sternum fixer is selected according to breastbone bone type, size, sternum fixer is placed in disinfection cryosel
After water is fully cooled, each pair of opening encircled between arm in three open annular structures is strutted with specific purpose tool, opening is made to be slightly larger than
Suffer from bone diameter, reduction breastbone installs deformed memory alloy for breastbone fixator, the gauze hot compress chest impregnated with disinfection hot salt brine
Bone anchor, each pair of opening encircled between arm reduces in distracted three open annulars structure before being allowed to, and product resets, in completion
It is fixed.After breastbone heals, notch, stripping tissue, the abundant cold compress fixed device of gauze impregnated with disinfection brine ice, three openings
Each pair of enlarged open encircled between arm in cyclic structure, you can easily take out sternum fixer.
Claims (8)
1. a kind of containing three pairs of memory alloy wire sternum fixers for encircling arm, it is characterised in that：It is made of a memory alloy wire
The integrated formed structure for encircling arm containing three pairs, 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 formed by bending 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 encircle between arm top
Hunchbacked arm single-beam（1）Stage casing squeezes the pressure rings for forming arc-shaped inwardly（8）, all pressure rings are in the same plane.
2. a kind of as described 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 both ends, three pairs are encircled in arm six to encircle arm downward in opposite directions by the twin beams both ends
First and second be formed by bending encircles arm（2,3）And two memory alloy wires at 1/3 between the twin beams both ends and at 2/3
Third and fourth being bent downwardly to form after merging is pulled open respectively encircles arm（4,5）And the five, the six encircle arm（6,7）Composition, wherein
First and third encircles arm（2,4）The first open annular structure is formed for a pair, fourth, fifth encircles arm（5,6）Second is formed for a pair
Open annular structure, the 6th and second encircles arm（7,3）Third open annular structure is formed for a pair.
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）Adjacent two, which are encircled in arm, for six encircles hunchbacked arm single-beam between arm（1）It squeezes and is formed inwardly, six
A 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
It is respectively formed hollow out between the top of ring and between the tail end of adjacent two pressure rings（9）.
4. it is as claimed in claim 1,2 or 3 it is a kind of containing three pairs of memory alloy wire sternum fixers for encircling arm, 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
Be located at opening in mouth cyclic structure encircles the equal turning-in in arm end.
6. a kind of as described in claim 2,3 or 5 containing three pairs of memory alloy wire sternum fixers for encircling arm, feature exists
In：The both 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：The
Three, four, five, six arm is encircled（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 is formed after being rolled over by memory alloy wire, arc end（10）There are apertures（12）.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720509154.2U CN207654227U (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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| CN201720509154.2U CN207654227U (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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| CN207654227U true CN207654227U (en) | 2018-07-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107184262A (en) * | 2017-05-09 | 2017-09-22 | 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 CN201720509154.2U patent/CN207654227U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107184262A (en) * | 2017-05-09 | 2017-09-22 | 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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