CN207323503U - A kind of Novel room is every defect plugging device - Google Patents
A kind of Novel room is every defect plugging device Download PDFInfo
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- CN207323503U CN207323503U CN201720262291.0U CN201720262291U CN207323503U CN 207323503 U CN207323503 U CN 207323503U CN 201720262291 U CN201720262291 U CN 201720262291U CN 207323503 U CN207323503 U CN 207323503U
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- support body
- fixedly connected
- plugging device
- connected part
- defect
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- 230000007547 defect Effects 0.000 title claims abstract description 63
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- 208000013914 atrial heart septal defect Diseases 0.000 abstract description 38
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- Surgical Instruments (AREA)
- Prostheses (AREA)
Abstract
The utility model discloses a kind of Novel room every defect plugging device, it includes thin-film barrier layers, first support body, second support body, the first fixedly connected part and the second fixedly connected part.The Novel room of the utility model provides new approaches of the closed room every defect every defect plugging device, effectively clamp the edge of atrial septal defect using the clamping force between plugging device, rather than have as existing plugging device fixed waist size by the edge of clamping atrial septal defect and closed room every defect.
Description
Technical field
The field of medical instrument technology is the utility model is related to, particularly a kind of Novel room is every defect plugging device.
Background technology
Atrial septal defect is a kind of clinically common congenital heart disease, and lesion characteristic is the room between left atrium
Interval fails normally closed, and blood flows between atrium sinistrum and atrium dextrum.The defect of atrial septum is mainly formed in the life of fetus
During long development, developed due to have impact on heart by certain factor, so as to form atrial septal defect.For atrial septal defect
For patient, since the pressure of atrium sinistrum is higher than atrium dextrum, and the part blood of atrium sinistrum is set to flow to the right heart through atrial septal defect
Room, causes the right burden increase for feeling concerned about system, causes right ventricular hypertrophy, pulmonary circulatory blood volume increase, the long-term existence of atrial septal defect
It can cause the illnesss such as pulmonary hypertension, congestive heart failure, arrhythmia cordis, apoplexy, dizziness, faintness.
Surgical operation is to treat the conventional method of atrial septal defect, however, surgical operation therapy atrial septal defect needs to open
Chest, it has the disadvantages that：Extracorporal circulatory system is needed in operation, complication may be caused and cause death；Wound is big, and in body surface
Leave the scar of operative incision；Surgery cost is high at the same time.In order to avoid carrying out open chest surgery to patients with atrial septal defect, early in
Nineteen sixties medical investigator has just carried out the discussion of non-surgery operation method treatment atrial septal defect, successively invents
A variety of plugging devices such as Rishkind, Sideris and Amplatzer plugging devices, plugging device closure room is sent into through cardiac catheter
Every defect, reach the effect of suitable with surgery open chest surgery, and can be to avoid blood transfusion and as caused by blood transfusion and surgical operation
Complication.But clinical application find that, Rishkind and Sideris plugging device success rates are low and the incidence of complication is high,
Gradually it is eliminated, clinically most widely used in recent years is Amplatzer plugging devices, it is in double plate piece eel-like figure shape structure, tool
There is fixed waist size, it tends to be difficult to " soft-sided " of clamping atrial septal defect, so that cause residual leakage occur with postoperative in art,
So that echocardiography in atrial septal defect failure or dysraphism, while this standardization plugging device design be difficult to meet it is complicated and changeable
Atrial septum anatomic form and also easily there is complication.As for its developed to adapt to the atrial septal defect of different anatomic form
His plugging device then there is model it is complicated, be not easy to produce and use and increase operative complications the defects of.So need to research and develop
Go out a kind of production and using simple and can avoid in art and the postoperative novel stopper for residual leakage phenomenon occur.
Utility model content
In view of the above problems, the present utility model people is furtherd investigate and is analyzed to atrial septal defect, and constantly into
Row experiment, develops a kind of Novel room every defect plugging device, its is simple in structure, can adapt to the atrial septum of different anatomic form
Defect and it is not easy in art and postoperative residual leakage phenomenon occurs.
To achieve these goals, the utility model provides a kind of Novel room every defect plugging device, it includes film resistance
Interlayer, first support body, second support body, the first fixedly connected part and the second fixedly connected part, it is characterised in that first support
Body and second support body are formed by the Memorability metal alloy wires braiding of compressible deformation, wherein the Memorability in first support body
The both ends of metal alloy wires are respectively fixedly connected with the front end in the front end of the first fixedly connected part and the second fixedly connected part, and second
The both ends of Memorability metal alloy wires in stake body are respectively fixedly connected with to be fixed in the rear end of the first fixedly connected part and second
The rear end of connector；First fixedly connected part and the second fixedly connected part are cylindrical-shaped structure and the front end of the first fixedly connected part
Internal thread is equipped with the rear end of the second fixedly connected part to connect transport system；Thin-film barrier layers be built into first support body and
In second support body.
The utility model Novel room every in defect plugging device, model and the treatment atrial septal defect of the internal thread
Operation when convey the utility model plugging device the model of helicitic texture of transport system match, the transport system can be with
For conventional use of plugging device conveying device in this area.
During operation, now the Novel room of the utility model is connected every defect plugging device with transport system, passes through conveying
Plugging device is delivered at atrial septal defect by system, because of the characteristic of Memorability metal alloy, first support body and second support body
Default shape is returned back to clamp the edge of atrial septal defect, then closed room discharges plugging device, terminate hand every defect
Art.The Novel room of the utility model is every defect plugging device due to forming larger folder between first support body and second support body
Clamp force, and avoid residual leakage, improve existing plugging device due to fixed waist structure and can not clamping atrial septum lack
Damage edge.
Preferably, the utility model Novel room every in defect plugging device, first fixedly connected part and second
The length of fixedly connected part is 1mm-3mm, preferably 1mm-2mm.If the length of the first fixedly connected part and the second fixedly connected part
Spend small, then its internal internal thread number of turns is very few, can cause be connected with transport system it is insecure and there are plugging device in art
The risk to come off with transport system；, whereas if the length of the first fixedly connected part and the second fixedly connected part is excessive, then can increase
The risk for adding plugging device surface local thrombus to be formed, and easily lead to first support body and second support body recovers to preset shape
When the distance between the first fixedly connected part and the second fixedly connected part it is too small, influence first support body and second support body and clamp
The soft-sided of atrial septal defect.
Preferably, the utility model Novel room every in defect plugging device, first fixedly connected part and second
The internal diameter of fixedly connected part is 1-2mm, if the internal diameter of the first fixedly connected part and the second fixedly connected part is too small, the envelope
Stifled connection between device and fixed link is not firm；, whereas if the internal diameter mistake of the first fixedly connected part and the second fixedly connected part
Greatly, plugging device folding can be caused oversized after collapsing.
Preferably, the utility model Novel room every in defect plugging device, the thin-film barrier layers are by bio-compatible
Property preferable high material composition, such as polylactic acid, polyglycolic acid and condensing model.The thin-film barrier layers are preferable by biocompatibility
High molecular material forms the biocompatibility that can significantly improve plugging device.
It is highly preferred that the utility model Novel room every in defect plugging device, the thin-film barrier layers are equal for thickness
Even biomembrane, its thickness are 0.1mm-0.2mm.If the thickness of thin-film barrier layers is too small, thin-film barrier layers be easy to because
Ruptured for the impact force of blood flow；, whereas if the thickness of thin-film barrier layers is too big, then the weight of thin-film barrier layers increases, and leads
Cause the weight of plugging device also to increase, be unfavorable for closed room every defect.
Preferably, the utility model Novel room every in defect plugging device, the first support body and second support
The preset shape of body is the lantern-shaped of intermediate projections.In use, since Memorability metal alloy persistently returns modeling, first support body and
Second support body recovers to lantern-shaped set in advance, due to the first support body and second support body of lantern-shaped formed it is larger
Clamping force and whole plugging device is preferably clamped atrial septal defect edge, closed room is every defect.
It is highly preferred that the utility model Novel room every in defect plugging device, the first support body and second
It is circle that frame body, which recovers to the longitudinal section during lantern-shaped of intermediate projections at the intermediate projections of the lantern-shaped of intermediate projections, and its is straight
Footpath is 5mm-50mm.The Novel room of the utility model can be according to by X-ray, angiography and color ultrasound every defect plugging device
Cooperation under and the size of atrial septal defect estimated in advance and select the first support body and second support body of suitable size, with
The perfect cooperation of plugging device and atrial septal defect is better achieved.
Preferably, the utility model Novel room every in defect plugging device, the first support body and second support
The quantity of Memorability metal alloy wires in body is 20-30.If the Memorability gold in first support body and second support body
Very little, then first support body and second support body can not form enough clamping forces and clamp atrial septal defect the number of category B alloy wire
Edge with closed room every defect, easily there is obscission；, whereas if the memory in first support body and second support body
The number of property metal alloy wires is too many, then the weight of plugging device can then dramatically increase, and can equally increase the risk to come off.
Preferably, the utility model Novel room every in defect plugging device, the first support body and second support
A diameter of 0.1-0.2mm of Memorability metal alloy wires in body.If the Memorability in first support body and second support body
The diameter of metal alloy wires is too small, then first support body and second support body due to Memorability metal alloy wires are too thin and intensity too
It is small, also without enough support forces, so that the easy shape of whole plugging device；, whereas if in first support body and second support body
The diameter of Memorability metal alloy wires is too big, then the weight of plugging device can then dramatically increase, and can increase the risk to come off.
Preferably, the utility model Novel room every in defect plugging device, the first support body and second support
The compressed shape of body is tubular dictyosome structure, which can easily get at atrial septal defect very much when in use.
Preferably, the utility model Novel room every in defect plugging device, it is first fixedly connected part, second solid
Determine connector, first support body and second support body surface face and be coated with carbon thin film layer, so as to improve the anti-corrosion effect of whole plugging device
Fruit simultaneously prevents metal ion from entering blood, the formation of thrombus is effectively controlled, so that using safer.
The utility model Novel room every in defect plugging device, the thin-film barrier layers attach first support body respectively
And/or on the wire of second support body, to be clamped in the space that the wire of first support body and/or second support body surrounds
It is interior.
The Novel room of the utility model provides new approaches of the closed room every defect every defect plugging device, utilizes closure
Clamping force between device effectively clamps the edge of atrial septal defect, rather than has as existing plugging device the fixed waist big
The small edge by clamping atrial septal defect is and closed room every defect.
It should be noted that in the utility model, " first " and " second " does not represent specific quantity and order, only
It is only for the differentiation to title.
Compared with prior art, the utility model has the advantages that and advantage：
(1) Novel room of the utility model has technological progress every defect plugging device, is a kind of unprecedented wound
New design；And unique structure is even more what is compared far from existing plugging device, while sound construction, form are reasonable, elasticity is appropriate,
Implantation is convenient, positioning is easy, is very suitable for standardized production and large-scale application；
(2) Novel room of the utility model provides new approaches of the closed room every defect every defect plugging device, utilizes
Larger clamping force closed room is formed between first support body and second support body every defect, and avoids residual leakage, is improved
Existing plugging device is due to can not clamping atrial septal defect edge with fixed waist structure；
(3) Novel room of the utility model can be according to by X-ray, angiography and color ultrasound every defect plugging device
Coordinate the size for the atrial septal defect estimated in advance down and select the first support body and second support body of suitable size, with more
The cooperation of plugging device and atrial septal defect is realized well, is not in that model is not inconsistent, plugging device size is significantly greater than atrial septum and lacks
The phenomenon of damage, avoids waste of material, so as to reduce cost.
Brief description of the drawings
Attached drawing is to be used to provide a further understanding of the present invention, and a part for constitution instruction, and following
Embodiment be used to explain the utility model together, but do not form the limitation to the utility model.
Fig. 1 is the Novel room of the utility model every the structure diagram under defect plugging device compressive state；
Fig. 2 is structure diagram of the Novel room under the compressive state in Fig. 1 every another visual angle of defect plugging device；
Fig. 3 is structure diagram of the Novel room after defect plugging device recovers shape in Fig. 1；
Fig. 4 is structure diagram of the Novel room in Fig. 1 every another visual angle of defect plugging device recovery shape.
Reference numeral：
1 first fixedly connected part；
2 second fixedly connected parts；
3 first support bodies；
4 second support bodies；
5 internal threads；
6 Memorability metal alloy wires.
Embodiment
In embodiment below, by with reference to the attached drawing for forming this specification part.Without departing from opening up herein
In the case of the principle and scope of the utility model theme shown, illustrated reality in substantially describe herein and attached drawing
It can be arranged, replaced, combined and decoupled in wide in range configuration variation with new each side, all these arrangements, replace
Change, combine and partition is each fallen within the scope of the utility model.
It should be noted that in the description of this specification, the orientation or position relationship of the instruction such as term "front", "rear" are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than instruction
Or imply that signified device or unit must have specific direction, with specific azimuth configuration and operation, it is thus impossible to understand
For the limitation to the utility model.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to the technology of the utility model
The normally understood implication of technical staff in domain is identical.It is simply in the term used in the description of the utility model herein
The purpose of description specific embodiment, it is not intended that in limitation utility model.
Specific embodiment of the present utility model is described further with reference to the accompanying drawings and detailed description.
Fig. 1 is the Novel room of the utility model every the structure diagram under defect plugging device compressive state, Fig. 2 Fig. 1
In compressive state under Novel room every the structure diagram at another visual angle of defect plugging device, Fig. 3 is the utility model
Structure diagram of the Novel room after defect plugging device recovers shape, Fig. 4 are that the atrial septal defect plugging device in Fig. 3 recovers shape
The structure diagram at another visual angle of shape.Understood with reference to Fig. 1-4, the Novel room of the utility model includes the every defect plugging device
One stake body 3, second support body 4, the first fixedly connected part 1 and the second fixedly connected part 2, wherein first support body 3 and second
Stake body 4 is woven by the Memorability metal alloy wires 6 of compressible deformation and formed, wherein the Memorability metal in first support body 3
The both ends of B alloy wire 6 are respectively fixedly connected with the front end in the front end of the first fixedly connected part 1 and the second fixedly connected part 2, and second
The both ends of Memorability metal alloy wires 6 in stake body 4 are respectively fixedly connected with solid in the rear end of the first fixedly connected part 1 and second
Determine the rear end of connector 2, i.e. one end of Memorability metal alloy wires 6 in first support body 3 is fixedly connected on the first fixation company
The front end of fitting 1, and the other end is fixedly connected on the front end of the second fixedly connected part 2, the Memorability metal in second support body 4
One end of B alloy wire 6 is fixedly connected on the rear end of the first fixedly connected part 1, and the other end is fixedly connected on the second fixedly connected part
2 rear end；First fixedly connected part 1 and the second fixedly connected part 2 for cylindrical-shaped structure and the front end of the first fixedly connected part 1 and
The rear end of second fixedly connected part 2 is equipped with internal thread 5 to connect transport system, and internal thread 5 is arranged at the in the present embodiment
The front end of one fixedly connected part 1 and the rear end of the second fixedly connected part 2；But the utility model plugging device further includes thin-film barrier
Not shown in layer but figure, wherein thin-film barrier layers are built into first support body 3 and second support body 4.
The 4 compressed shape of first support body 3 and second support body is tubular dictyosome structure, whole plugging device is existed
It is cylindric under compressive state.The structure can be easily got at atrial septal defect very much when in use.
The preset shape of the first support body 3 and second support body 4 is the lantern-shaped of intermediate projections.In use, due to
Memorability metal alloy persistently returns modeling, and first support body 3 and second support body 4 recover to lantern-shaped set in advance, due to lamp
The first support body 3 and second support body 4 of caged form larger clamping force and whole plugging device is preferably clamped room
Septal defect edge, closed room is every defect.
Memorability metal alloy wires 6 in the first support body 3 and second support body 4 are 25, but its Memorability
The quantity of metal alloy wires 6 can be also other numbers, preferably within the scope of 20-30.If first support body 3 and second support
Very little, then first support body 3 and second support body 4 can not form enough folders to the number of Memorability metal alloy wires in body 4
, every defect, easily there is obscission with closed room in the edge of clamp force clamping atrial septal defect；, whereas if first support body 3
Too many with the number of the Memorability metal alloy wires in second support body 4, then the weight of plugging device can then dramatically increase, same meeting
Increase the risk to come off.In addition, in order to obtain preferable clamping force so as to completely enclosed atrial septal defect, the first support
It is solid that Memorability metal alloy wires 6 in body 3 and second support body 4 are equably fixedly connected on the first fixedly connected part 1 and second
Determine on connector 2.
The first support body 3 and second support body 4 recover to the lantern-shaped of intermediate projections during the lantern-shaped of intermediate projections
Intermediate projections at longitudinal section be circle, and its a diameter of 5mm-50mm.The Novel room of the utility model is blocked every defect
Device size, can be according to by estimating in a relatively wide in range scope in advance under the cooperation of X-ray, angiography and color ultrasound
The size of the atrial septal defect of survey and select the first support body 3 and second support body 4 of suitable size, be better achieved closure
The perfect cooperation of device and atrial septal defect.
In addition, a diameter of 0.1- of the Memorability metal alloy wires 6 in the first support body 3 and second support body 4
0.2mm.If the diameter of the Memorability metal alloy wires 6 in first support body 3 and second support body 4 is too small, first support
Body 3 and second support body 4 are since Memorability metal alloy wires 6 are too thin and intensity is too small, also without enough support forces, so that whole
A easy shape of plugging device；, whereas if the diameter of Memorability metal alloy wires 6 in first support body 3 and second support body 4 is too
Greatly, then the weight of plugging device can then dramatically increase, and can increase the risk to come off.
In addition, first fixedly connected part 1,4 surface of the second fixedly connected part 2, first support body 3 and second support body
Carbon thin film layer is coated with, so as to improve the anti-corrosion effect of whole plugging device and prevent metal ion from entering blood, effectively controls blood
The formation of bolt, so that using safer.
Outside, the length of 1 and second fixedly connected part 2 of the first fixedly connected part is 1mm-3mm, preferably 1mm-2mm.
If the length of the first fixedly connected part 1 and the second fixedly connected part 2 is too small, its internal 5 number of turns of internal thread is very few, can draw
Rise be connected with transport system it is insecure and there are the risk that plugging device and transport system come off in art；, whereas if first is solid
Determine that the length of 1 and second fixedly connected part 2 of connector is excessive, then can increase the risk that plugging device surface local thrombus is formed, and
And easily lead to first support body 3 and recover to the first fixedly connected part 1 during preset shape to be fixedly connected with second with second support body 4
The distance between part 2 is too small, influences first support body 3 and second support body 4 clamps the soft-sided of atrial septal defect.
Also, the internal diameter of 1 and second fixedly connected part 2 of the first fixedly connected part is 1mm-2mm, if first fixes
The internal diameter of 1 and second fixedly connected part 2 of connector is too small, then the connection between the plugging device and fixed link is not firm；Conversely,
If the internal diameter of the first fixedly connected part 1 and the second fixedly connected part 2 is excessive, plugging device can be caused to fold size mistake after gathering
Greatly.
On the thin-film barrier layers, it is made of the preferably high material of biocompatibility, as polylactic acid, polyglycolic acid and
Condensing model.The thin-film barrier layers are made of the biology that can significantly improve plugging device the preferable high molecular material of biocompatibility
Compatibility.
In addition, the thin-film barrier layers are biomembrane in uniform thickness, its thickness is 0.1mm-0.2mm.If film hinders
The thickness of interlayer is too small, then thin-film barrier layers are easy to rupture because of the impact force of blood flow；, whereas if thin-film barrier layers
Thickness is too big, then the weight of thin-film barrier layers increases, and causes the weight of plugging device also to increase, is unfavorable for closed room every defect.
During operation, now the Novel room of the utility model is connected every defect plugging device with transport system, passes through conveying
Plugging device is delivered at atrial septal defect by system, because of the characteristic of Memorability metal alloy, first support body and second support body
Default shape is returned back to clamp the edge of atrial septal defect, then closed room discharges plugging device, terminate hand every defect
Art.
According to the disclosure and teachings of the above specification, the utility model those skilled in the art can also be to above-mentioned reality
Apply mode make a change and modification.Therefore, the utility model is not limited to embodiment disclosed and described above, right
Some modifications and changes of utility model should also be as falling into the scope of the claims of the utility model.In addition, although
Some specific terms have been used in this specification, but these terms are merely for convenience of description, not to the utility model structure
Into any restrictions.
Claims (9)
1. a kind of Novel room is every defect plugging device, it includes thin-film barrier layers, first support body, second support body, first solid
Determine connector and the second fixedly connected part, it is characterised in that first support body and second support body by compressible deformation memory
Property metal alloy wires braiding form, the both ends of the wherein Memorability metal alloy wires in first support body are respectively fixedly connected with the
The front end of one fixedly connected part and the front end of the second fixedly connected part, the both ends of the Memorability metal alloy wires in second support body
It is respectively fixedly connected with the rear end in the rear end of the first fixedly connected part and the second fixedly connected part；First fixedly connected part and second
Fixedly connected part is equipped with internal thread for cylindrical-shaped structure and the front end of the first fixedly connected part and the rear end of the second fixedly connected part
To connect transport system；Thin-film barrier layers are built into first support body and second support body.
2. Novel room according to claim 1 is every defect plugging device, it is characterised in that first fixedly connected part and
The length of second fixedly connected part is 1mm-3mm.
3. Novel room according to claim 1 is every defect plugging device, it is characterised in that the thin-film barrier layers are thickness
Uniform biomembrane, its thickness are 0.1mm-0.2mm.
4. Novel room according to claim 1 is every defect plugging device, it is characterised in that the first support body and second
The preset shape of stake body is the lantern-shaped of intermediate projections.
5. Novel room according to claim 4 is every defect plugging device, it is characterised in that the first support body and second
It is circle that stake body, which recovers to the longitudinal section during lantern-shaped of intermediate projections at the intermediate projections of the lantern-shaped of intermediate projections, and its
A diameter of 5mm-50mm.
6. the Novel room according to any one of claim 1-5 is every defect plugging device, it is characterised in that described first
The quantity of Memorability metal alloy wires in frame body and second support body is 20-30.
7. the Novel room according to any one of claim 1-5 is every defect plugging device, it is characterised in that described first
A diameter of 0.1-0.2mm of Memorability metal alloy wires in frame body and second support body.
8. the Novel room according to any one of claim 1-5 is every defect plugging device, it is characterised in that described first is solid
Determine connector, the second fixedly connected part, first support body and second support body surface face and be coated with carbon thin film layer.
9. the Novel room according to any one of claim 1-5 is every defect plugging device, it is characterised in that described first
Frame body and the compressed shape of second support body are tubular dictyosome structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720262291.0U CN207323503U (en) | 2017-03-17 | 2017-03-17 | A kind of Novel room is every defect plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720262291.0U CN207323503U (en) | 2017-03-17 | 2017-03-17 | A kind of Novel room is every defect plugging device |
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| CN207323503U true CN207323503U (en) | 2018-05-08 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106821427A (en) * | 2017-03-17 | 2017-06-13 | 广州新诚生物科技有限公司 | A kind of Novel room is every defect plugging device |
| CN114224402A (en) * | 2020-09-09 | 2022-03-25 | 江苏朴芃医疗科技有限公司 | Plugging device |
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2017
- 2017-03-17 CN CN201720262291.0U patent/CN207323503U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106821427A (en) * | 2017-03-17 | 2017-06-13 | 广州新诚生物科技有限公司 | A kind of Novel room is every defect plugging device |
| CN106821427B (en) * | 2017-03-17 | 2019-09-20 | 广州新诚生物科技有限公司 | A kind of Novel room is every defect plugging device |
| CN114224402A (en) * | 2020-09-09 | 2022-03-25 | 江苏朴芃医疗科技有限公司 | Plugging device |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20180508 |