CN204765748U - Atrial septal defect plugging device - Google Patents
Atrial septal defect plugging device Download PDFInfo
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- CN204765748U CN204765748U CN201520231406.0U CN201520231406U CN204765748U CN 204765748 U CN204765748 U CN 204765748U CN 201520231406 U CN201520231406 U CN 201520231406U CN 204765748 U CN204765748 U CN 204765748U
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- China
- Prior art keywords
- choked flow
- mesh sheet
- waist
- plugging device
- septal defect
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Abstract
The utility model provides an atrial septal defect plugging device, include, support dictyosome and the choked flow body, the tip choked flow body and the waist choked flow body set up respectively in the dish -shaped supporting part and waist that support the dictyosome, wherein, still include tip choked flow supporting network piece, one side along a plurality of archs of circumferencial direction shaping of tip choked flow supporting network piece, the external diameter is corresponding with the internal diameter of dish -shaped supporting part, the tip hinders fluidic one side and offers the through -hole corresponding with a plurality of archs, with tip choked flow supporting network piece one side fixed connection, sets up in dish -shaped supporting part. The problem of current plugging device set up back stability, the fixity is poor is solved. Thereby make the support intensity nature of dish -shaped supporting network disc obviously increase. When lopsided change of pathological change part production, when the formation deformity is surperficial, can effectively fix lopsided lesion tissues, increased the local moulding of dish -shaped supporting network disc, and severe deformation wholly can not take place for the plugging device to guaranteed that shutoff effect and plugging device are fixed firm, be difficult for droing.
Description
Technical field
This utility model relates to medical device and prosthesis technical field, particularly relates to atrial septal defect plugging device.
Background technology
Atrial septal defect (ASD) is a kind of congenital heart disease common clinically, and traditional therapeutic modality is Surgical revision.Atrial septal defect surgical operation needs to carry out opening under breast and extracorporeal circulation, and operation wound is large, and complication rate is high, postoperatively leaves cicatrix.In recent years along with intervention material and methodological progress, some congenital heart disease comprising atrial septal defect can be treated through the means of intubation intervention by non-breast of opening.Because interventional therapy does not need out breast and extracorporeal circulation, wound is little, safety, post-operative recovery fast, at body surface preventing from scar, its curative effect is even better than surgical operation therapy in some aspects, therefore interventional therapy has become the important development trend of atrial septal defect treatment, at home and abroad obtains and applies widely.
Stopper is dual disc, and stopper disc forms primarily of the braiding of superelastic metal silk, sends into the position of heart defect through cardiac catheter, the shape of automatic restoration designing after releasing in conduit, be clipped in the both sides, interatrial septum of defect, defect is closed, reach the object of healing.Heart is ceaselessly being beated, and should be able to be fixed on atrial septal defect place reliably after stopper puts in place.Can stopper be fixed reliably, and its determiner selects the elastic force of the size of stopper, stopper support and middle bluff body.Bluff body in use, easily due to the long-term impact of peripheral structure, and produces distortion, causes the situation of plugging effect difference to produce.
Utility model content
The atrial septal defect plugging device that the purpose of this utility model is to provide.Solve the problem that existing plugging device arranges rear stability, stationarity difference.
In order to achieve the above object, the atrial septal defect plugging device that this utility model provides, comprises, support dictyosome and bluff body, in the dish-shaped support portion that described end bluff body and waist bluff body are arranged at described support dictyosome respectively and waist, wherein, also comprise, end choked flow supports mesh sheet; The choked flow of described end supports the multiple projection of side along the circumferential direction molding of mesh sheet, and external diameter is corresponding to the internal diameter of described dish-shaped support portion; The through hole corresponding to described multiple projection is offered in the side of described end bluff body, supports mesh sheet side be fixedly connected with the choked flow of described end, is arranged in described dish-shaped support portion.
In a preferred embodiment, the choked flow of described end supports mesh sheet is that rounded ends choked flow supports mesh sheet.
In a preferred embodiment, described rounded ends choked flow supports the outer shroud edge of mesh sheet is wavy edge.
In a preferred embodiment, the choked flow of described end supports the thickness of mesh sheet is 1 ~ 1.5mm.
In a preferred embodiment, the choked flow of described end supports mesh sheet is that nickel is admired the closed annular dictyosome of predeterminable profile of B alloy wire braiding.
In a preferred embodiment, described rounded ends choked flow supports the diameter of mesh sheet is 18 ~ 52mm.
In a preferred embodiment, through hole is offered at the center of described end choked flow support mesh sheet.
In a preferred embodiment, also comprise: waist choked flow supports mesh sheet; The middle side part molding that described waist choked flow supports mesh sheet is protruding, and external diameter is corresponding to the internal diameter of described waist; The through hole corresponding to this projection is offered in the side of described waist bluff body, supports mesh sheet side and is fixedly connected with, be arranged in described waist with described waist choked flow.
In a preferred embodiment, it is that circular waist choked flow supports mesh sheet that described waist choked flow supports mesh sheet, and outward flange is wavy edge.
In a preferred embodiment, the closed annular dictyosome of the predeterminable profile of to be disk be nickel admires B alloy wire braiding that described waist choked flow supports mesh sheet.
As shown in the above, the beneficial effects of the utility model are, this utility model supports mesh sheet and waist choked flow supporting network ring by arranging end choked flow in dish-shaped support portion and waist, thus bluff body constant intensity in dish-shaped support portion and waist is obviously increased.In life-time service, not easily cause local deformation, thus ensure that plugging effect, improve safety and the service life of stopper.
Accompanying drawing explanation
In order to be illustrated more clearly in this utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is in a kind of embodiment of this utility model, the schematic cross-section of atrial septal defect plugging device;
Fig. 2 is that in a kind of embodiment of this utility model, end choked flow supports the structural representation of mesh sheet;
Fig. 3 is that in the another kind of embodiment of this utility model, end choked flow supports the structural representation of mesh sheet;
Fig. 4 is in the another kind of embodiment of this utility model, the schematic cross-section of atrial septal defect plugging device.
Detailed description of the invention
Below in conjunction with accompanying drawing of the present utility model, be clearly and completely described the technical solution of the utility model, obviously, described embodiment is only this utility model part embodiment, instead of whole embodiments.Based on the embodiment in this utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of this utility model protection.
As shown in Figure 1, in a kind of embodiment of the present utility model, the entirety of atrial septal defect plugging device is the closed support dictyosome 10 of predeterminable profile that B alloy wire weaves of being admired by a nickel.The two ends of this support dictyosome 10 are dish support portion 11, right side, dish support portion 12, left side and centre is waist 13.Upper end 41 can be arranged at the closed two ends supporting dictyosome 10 by lower end 42 respectively.End choked flow supports mesh sheet 21 and is arranged in dish-shaped support portion 12, left side, and its external diameter is corresponding to the internal diameter of dish support portion 12, left side, and end choked flow supports the side along the circumferential direction molding multiple protruding 22 of mesh sheet 21.The side of bluff body 31 is offered and multiple protruding 22 corresponding through holes, supports mesh sheet 21 side and is fixedly connected with, be arranged in dish-shaped support portion 12 with end choked flow.Bluff body 31 can make by preferred polyester fibrous material.For ensureing, the choked flow of above-mentioned end supports mesh sheet 21 and has certain inner support intensity, and in a kind of preferred version of the present utility model, the thickness that end choked flow supports mesh sheet 21 is preferably 1 ~ 1.5mm.End choked flow supports mesh sheet 21 for nickel and to admire the closed annular dictyosome of predeterminable profile that B alloy wire weaves.
One of the present utility model preferred embodiment in, end choked flow supports mesh sheet 21 for rounded ends choked flow and supports mesh sheet, and preferably, the diameter of described rounded ends choked flow support mesh sheet is 18 ~ 52mm.
One of the present utility model preferred embodiment in, as shown in Figure 2, the outer shroud edge that above-mentioned rounded ends choked flow supports mesh sheet is wavy edge.Thus, effectively can reduce end choked flow and support the probability can not opened completely in dish-shaped support portion 12 on the left of mesh sheet 21, ensure that end choked flow supports mesh sheet 21 and the adaptability of dish support portion 12, left side, reduce requirement on machining accuracy end choked flow being supported to mesh sheet 21.
The weight of mesh sheet 21 is supported for effectively reducing end choked flow, meanwhile, support the center deployment power of mesh sheet 21 for effectively reducing end choked flow, one of the present utility model preferred embodiment in, as shown in Figure 3, through hole 23 is offered at the center of end choked flow support mesh sheet 21.
For strengthening the intensity of the waist 13 supporting dictyosome 10, as shown in Figure 4, in a preferred embodiment, also comprise: waist choked flow supporting network ring 24.The outer shroud of waist choked flow supporting network ring 24 is corresponding to the internal diameter of waist 13, and waist choked flow supports a middle side part molding projection 25 of mesh sheet 24, and external diameter is corresponding to the internal diameter of described waist.The through hole corresponding to projection 25 is offered in the side of waist bluff body 32, supports mesh sheet 25 side and is fixedly connected with, be arranged in waist 13 with waist choked flow.Preferably, waist choked flow supporting network ring 24 is that circular waist choked flow supports mesh sheet, and its outer shroud edge is wavy edge, thus, effectively can avoid the probability that waist choked flow supporting network ring 24 can not be opened completely in waist 13, and ensure that the adaptability of waist choked flow supporting network ring 24 and waist 13.Above-mentioned waist choked flow supporting network ring 24 to be admired the closed dish type dictyosome of predeterminable profile of B alloy wire braiding for nickel.
The above; be only detailed description of the invention of the present utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that this utility model discloses; change can be expected easily or replace, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should described be as the criterion with the protection domain of claim.
Claims (10)
1. atrial septal defect plugging device, comprises, and supports dictyosome, end bluff body and waist bluff body, in the dish-shaped support portion that described end bluff body and waist bluff body are arranged at described support dictyosome respectively and waist, it is characterized in that, also comprise, end choked flow supports mesh sheet; The choked flow of described end supports the multiple projection of side along the circumferential direction molding of mesh sheet, and external diameter is corresponding to the internal diameter of described dish-shaped support portion; The through hole corresponding to described multiple projection is offered in the side of described end bluff body, supports mesh sheet side be fixedly connected with the choked flow of described end, is arranged in described dish-shaped support portion.
2. atrial septal defect plugging device according to claim 1, is characterized in that, it is that rounded ends choked flow supports mesh sheet that the choked flow of described end supports mesh sheet.
3. atrial septal defect plugging device according to claim 2, is characterized in that, the outer shroud edge that described rounded ends choked flow supports mesh sheet is wavy edge.
4. the atrial septal defect plugging device according to Claims 2 or 3, is characterized in that, the thickness that the choked flow of described end supports mesh sheet is 1 ~ 1.5mm.
5. atrial septal defect plugging device according to claim 1, is characterized in that, it is that nickel is admired the closed annular dictyosome of predeterminable profile of B alloy wire braiding that the choked flow of described end supports mesh sheet.
6. atrial septal defect plugging device according to claim 2, is characterized in that, the diameter that described rounded ends choked flow supports mesh sheet is 18 ~ 52mm.
7. atrial septal defect plugging device according to claim 6, is characterized in that, through hole is offered at the center that the choked flow of described end supports mesh sheet.
8. atrial septal defect plugging device according to claim 1, is characterized in that, also comprises: waist choked flow supports mesh sheet; The middle side part molding that described waist choked flow supports mesh sheet is protruding, and external diameter is corresponding to the internal diameter of described waist; The through hole corresponding to this projection is offered in the side of described waist bluff body, supports mesh sheet side and is fixedly connected with, be arranged in described waist with described waist choked flow.
9. atrial septal defect plugging device according to claim 8, is characterized in that, it is that circular waist choked flow supports mesh sheet that described waist choked flow supports mesh sheet, and outward flange is wavy edge.
10. atrial septal defect plugging device according to claim 8, is characterized in that, the closed annular dictyosome of the predeterminable profile of to be disk be nickel admires B alloy wire braiding that described waist choked flow supports mesh sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520231406.0U CN204765748U (en) | 2015-04-17 | 2015-04-17 | Atrial septal defect plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520231406.0U CN204765748U (en) | 2015-04-17 | 2015-04-17 | Atrial septal defect plugging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204765748U true CN204765748U (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520231406.0U Expired - Fee Related CN204765748U (en) | 2015-04-17 | 2015-04-17 | Atrial septal defect plugging device |
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| CN (1) | CN204765748U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105476686A (en) * | 2016-01-27 | 2016-04-13 | 尚小珂 | Temporary closure device for heart defects |
-
2015
- 2015-04-17 CN CN201520231406.0U patent/CN204765748U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105476686A (en) * | 2016-01-27 | 2016-04-13 | 尚小珂 | Temporary closure device for heart defects |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20160417 |