CN203852449U - Aortic dissection breach plugging device - Google Patents
Aortic dissection breach plugging device Download PDFInfo
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- CN203852449U CN203852449U CN201420199194.8U CN201420199194U CN203852449U CN 203852449 U CN203852449 U CN 203852449U CN 201420199194 U CN201420199194 U CN 201420199194U CN 203852449 U CN203852449 U CN 203852449U
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- main body
- breach
- epitheca
- shutoff
- dissection
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Abstract
The utility model relates to the technical field of medical instruments, and provides an aortic dissection breach plugging device, which comprises a bare stent main body (1), a side stent sheath (2) and a plugging side stent (3) compressed in the side stent sheath (2), wherein the plugging side stent (3) further comprises a spring ring (4) and spring ring tiny fluff (5), or the plugging side stent (3) further comprises a steel wire (6) and a spongy plugging object (7). According to the aortic dissection breach plugging device, the plugging side stent is fixed to a dissection breach and effectively plugs the breach, so the condition that blood enters a pseudocoele, thrombus organization of the pseudocoele is induced, and absorbing is performed is avoided.
Description
Technical field
This utility model relates to technical field of medical instruments, is especially applied to the plugging device of dissection of aorta breach.
Background technology
Dissection of aorta (aortic dissection) refers to that aorta lumen inner blood enters aortic tunica media from aortic tunica intima breach, makes middle membrance separation, and along the expansion of aorta long axis direction, thereby a kind of pathological change in formation true and false two chambeies of aorta.Its main harm is, directly breaking or forming after aneurysm of false chamber broken and caused massive hemorrhage death, and in the process forming at interlayer, the blood that aorta important branch is easily interrupted in the formation of interlayer supplies, the severe ischemic that causes important organ is afunction even, causes serious complication or death.
Along with scientific and technical development,, there is the operation tool of Wicresoft, for example blood vessel covered stent for the treatment of dissection of aorta breach in the exploitation of new material and the innovation of micro fabrication in the middle of clinical practice.Overlay film frame be take metallic framework as basis, covers one deck artificial blood vessel film outside it or inside it.Overlay film frame can be expanded after carrying affected part, is then close to tunica intima, interlayer cut place is closed, thereby prevents that blood flow from continuing to enter false chamber and making the thrombosis parallel operationization absorption gradually of false chamber.Clinically, in order to ensure overlay film frame, can completely cut off interlayer breach completely, need to respectively have at the far and near end of breach the support anchorage zone of the about 15mm of a segment length, to avoid the generation of internal hemorrhage due to trauma or support displacement.This just looks like to be with a patch, to go to fill out to sew up a hole in one's coat, and it is firm that patch must could be sewed and mend over the size in hole itself.Yet while there is important bifurcated artery in this support anchorage zone, overlay film frame, in isolated interlayer breach, also will completely cut off contiguous bifurcated artery fall together, this will cause the ischemia of target organ even downright bad.Therefore, for the complicated interlayer of the contiguous important branch tremulous pulse of such class breach, need badly clinically want a kind of can targeting shutoff breach, do not affect again the interlayer breach plugging device of contiguous bifurcated artery.
China Patent No. is CN201110208363.0, publication number is CN102415909A, priority number is 61/365,9552010.07.20US and 13/170,8432011.06.28US utility model patent disclosed a kind of false chamber stopper, described stopper comprises a plurality of pillars, and at least one of wherein said a plurality of pillars has B-C post part, and described B-C post partly has two or more secondary pillars.After the basic functional principle of this utility model is compression, by induction system, be transported to aorta breach, and by aorta breach, enter false chamber under the traction of induction system, and at false intracavity, realize the expansion of stopper, single pillar arch form arc, the whole fusiformis that forms, can realize well after expansion to the shutoff of dissection of aorta breach and then at false intracavity and form thrombosis, and blood is no longer entered in the middle of false chamber.False chamber thrombus organization gradually after by shutoff, stopper also can shrink thereupon and stay in the middle of middle rete.Yet this utility model also has its defect: first, this utility model is not mentioned the device of any fixedly breach stopper.At dissection of aorta breach place, high speed blood flow flows into false chamber from true chamber through breach, if stopper cannot effectively be anchored to breach place, very likely cause stopper to be poured false chamber by blood flow, thereby its pointed end likely scratches false lumen wall causes it to break, patient can be at short notice because hemorrhagic shock be dead; Secondly, the stopper that this utility model proposes is to complete and discharge expansion at false intracavity, and the false lumen wall of interlayer is only the middle adventitia of the aorta tube wall of one deck weakness, carries out expansion itself just exist certain risk of bursting false chamber at false intracavity.Therefore,, although this utility model has proposed the idea of targeting clip occluder slabbing mouth, aspect clinical practice, exist obvious design not enough.In order to completely cut off more safely interlayer breach and to avoid the excessive interference to false chamber, we need to design a kind of can being effectively anchored on interlayer break location, and can complete the device that stopper discharges around at breach.
Utility model content
The purpose of this utility model has been to provide a kind of dissection of aorta breach plugging device, to realize fixedly shutoff side, props up at interlayer breach place and seals dissection of aorta breach, stops that blood flow enters false chamber, makes false chamber thrombus organization gradually.
Concrete technical scheme of the present utility model is divided into two kinds:
The technical solution of the utility model one: a kind of dissection of aorta breach stopper, comprises that bare bracket main body, side are propped up epitheca and be compressed in the shutoff side that side props up in epitheca to prop up;
Described shutoff side is propped up and is also comprised turn and turn microvillus;
Its one end of described turn is anchored to the outer surface of bare bracket main body by connecting ring, described turn microvillus is attached on turn;
The technical solution of the utility model two: a kind of dissection of aorta breach stopper, comprises that bare bracket main body, side are propped up epitheca and be compressed in the shutoff side that side props up in epitheca to prop up;
Described shutoff side is propped up and is also comprised steel wire and spongy plug;
Described steel wire one end is anchored to the outer surface of bare bracket main body by connecting ring; Described spongy plug is attached on steel wire.
This utility model provides a kind of dissection of aorta breach stopper, and it comprises that bare bracket main body, side are propped up epitheca and be compressed in the shutoff side that side props up in epitheca and props up;
Described shutoff side is propped up and is also comprised turn and turn microvillus, or described shutoff side is propped up and also comprised steel wire and spongy plug;
Its one end of described turn is anchored to the outer surface of bare bracket main body by connecting ring, described turn microvillus is attached on turn;
Described steel wire one end is anchored to the outer surface of bare bracket main body by connecting ring; Described spongy plug is attached on steel wire.
Preferably, on the outer surface of bare bracket main body, the distance end of connecting ring position is provided with shutoff anchor point.
Preferably, the distance end outer rim of bare bracket main body is respectively provided with a plurality of main body anchor points.
Preferably, side is propped up the outer end of epitheca, is connected with traction seal wire.
This utility model is on the basis of a bare bracket main body, to carry a shutoff side to prop up.Bare bracket main body has not only been provided by the effect (be shutoff side prop up to provide realize self fixing platform) of carrier, and has played the moulding effect in true chamber.Shutoff side is propped up and is fixed on interlayer breach place effective shutoff breach, stops that blood flow enters false chamber, induces false chamber thrombus organization and absorbs.Meanwhile, have the existence of shutoff anchor point and main body anchor point on the outer surface due to bare bracket main body, course of conveying can obtain the better visual field under Angiography.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment 1 of the present utility model, and wherein A is compressive state, and B is release conditions;
Fig. 2 is the structural representation of embodiment 2 of the present utility model, and wherein A is compressive state, and B is release conditions;
Wherein Reference numeral is: bare bracket main body 1, side prop up that epitheca 2, shutoff side prop up 3, turn 4, turn microvillus 5, steel wire 6, spongy plug 7, connecting ring 8, shutoff anchor point 9, main body anchor point 10.
The specific embodiment
Below in conjunction with accompanying drawing, a kind of dissection of aorta breach of this utility model stopper is described in further detail.
Embodiment 1:
As shown in Figure 1, this utility model is a kind of dissection of aorta breach stopper, comprises that bare bracket main body 1, side are propped up epitheca 2 and be compressed in the shutoff side that side props up in epitheca 2 to prop up 3; Shutoff side is propped up 3 and is also comprised turn 4 and turn microvillus 5; Turn 4 its one end are anchored to the outer surface of bare bracket main body 1 by connecting ring 8; Turn microvillus 5 is attached on turn 4; On the outer surface of bare bracket main body, the distance end of connecting ring 8 positions is provided with shutoff anchor point 9; The distance end outer rim of bare bracket main body 1 is respectively provided with four main body anchor points 10; The outer end that side is propped up epitheca 2 is connected with traction seal wire 11.
Wherein, bare bracket main body 1 can adopt laser-engraving technique or weaving to make; Side is propped up epitheca 2 can adopt elongated round tube shape structure, and the caliber size of naturalness lower spring circle 4 is greater than the caliber size that side is propped up epitheca 2, and under compressive state, elongated side is propped up epitheca 2 and made turn 4 distortion, and turn 4 is compressed into side and props up in epitheca 2; Traction seal wire 11 herein selects the product stage to be connected in the outer end that side is propped up epitheca 2, but is not limited to this, also can before operation starts, traction seal wire be connected in to the outer end that side is propped up epitheca 2 temporarily.
During use, first control on seal wire for one that bare bracket main body 1 is compressed in to induction system, then side prop up epitheca 2, be compressed in that side props up that shutoff side in epitheca 2 props up 3, bare bracket main body 1 and side prop up the traction seal wire 11 that epitheca 2 outer ends connect and be compressed to together as a whole in the main body epitheca of induction system, now because side is propped up epitheca 2 and turn 4 and is adopted the anchored mode of connecting rings 8 to be connected, therefore the turn 4 being anchored on bare bracket main body 1 outer surface has certain mobility, can avoid occurring in the process of reduced overall shutoff side and prop up 3 fracture or deformation, next, compressed integral body imports true chamber, aortic disease position through femoral artery or other peripheral arterials, at the lower main body anchor point 10 of observing of DSA (Digital Subtraction Angiography), anchor point 10 can help doctor under DSA, to obtain better image, the particular location of location bare bracket main body 1, then withdraw main body epitheca, now bare bracket main body 1 still ties up to and controls on seal wire, and continue by observing shutoff anchor point 9 adjustment shutoff sides, to prop up 3 aligning dissection of aorta breaches under DSA, subsequently by traction seal wire 11 by side prop up epitheca 2 and shutoff side prop up 3 together guiding enter the false chamber of interlayer, withdraw when the time comes and control seal wire release bare bracket main body 1, finally withdrawing side props up epitheca 2 and discharges shutoff sides and prop up 3 again, shutoff side is propped up 3 turn 4 and under self elastic force effect, is returned to the naturalness before compressed, turn microvillus 5 opens simultaneously, turn 4 and turn microvillus 5 are at false intracavity combined effect shutoff dissection of aorta breach, stop that blood flow enters false chamber, induce false chamber thrombus organization and absorb.
Embodiment 2:
As shown in Figure 2, this utility model is a kind of dissection of aorta breach stopper, comprises that bare bracket main body 1, side are propped up epitheca 2 and be compressed in the shutoff side that side props up in epitheca 2 to prop up 3; Shutoff side is propped up 3 and is also comprised steel wire 6 and spongy plug 7; Steel wire 6 one end are anchored to the outer surface of bare bracket main body 1 by connecting ring 8; Spongy plug 7 is attached on steel wire 6.
Wherein, bare bracket main body 1 can adopt laser-engraving technique or weaving to make; Side is propped up epitheca 2 and is adopted elongated round tube shape structure, and under naturalness, spongy plug 7 is short and thick shape, and bore is greater than the bore that side is propped up epitheca 2, and under compressive state, spongy plug 7 is compressed in side and props up in epitheca 2; Spongy plug 7 can be selected medical high resilience material, for example highdensity polyvinylalcohol sponge.
During use, first will draw seal wire 11 props up epitheca 2 with side and is connected, bare bracket main body 1 is compressed on a control seal wire of induction system, then side is propped up to epitheca 2, be compressed in the shutoff side that side props up in epitheca 2 and prop up 3, the traction seal wire 11 that bare bracket main body 1 and side are propped up epitheca 2 outer ends connections is compressed in the main body epitheca of induction system as a whole together, now because side is propped up epitheca 2 and turn 4 and is adopted the anchored mode of connecting rings 8 to be connected, therefore the turn 4 being anchored on bare bracket main body 1 outer surface has certain mobility, shutoff side be can avoid occurring in the process of reduced overall and 3 fracture or deformation propped up, next, compressed integral body imports true chamber, aortic disease position through femoral artery or other peripheral arterials, under DSA, observe and reach, and discharge main body epitheca, now bare bracket main body 1 still ties up to control seal wire, with the guiding by traction seal wire 11, side being propped up to epitheca 2 props up 3 together with shutoff side and enters the false chamber of interlayer by dissection of aorta breach, withdraw when the time comes and control seal wire release bare bracket main body 1, finally withdrawing side props up epitheca 2 and discharges shutoff sides and prop up 3 again, shutoff side is propped up 3 spongy plug 7 at false intracavity, because self elastic force effect returns to short and thick shape, shutoff dissection of aorta breach, stop that blood flow enters false chamber, induce false chamber thrombus organization and absorb.
Embodiment 3:
A dissection of aorta breach stopper, all the other are with embodiment 2, and patient's dissection of aorta breach is positioned at left subclavian artery far-end 5mm place, breach diameter 3mm, near-end tumor eck footpath is 35mm.
After discharging in bare bracket main body 1, obtain enough radial forces to be anchored on blood vessel, the caliber size of bare bracket main body should surpass near-end tumor eck footpath 10%-20%, therefore select the bare bracket main body 1 of 40mm bore; In order to make the bore of spongy plug 7 after release be greater than the diameter of dissection of aorta breach, select the spongy plug 7 of 6mm bore under naturalness; In order to make side prop up epitheca 2, can pass through smoothly dissection of aorta breach, select the side of 2.5mm bore to prop up epitheca 2; Therefore and need not consider that shutoff side props up 3 fixation problem at the false intracavity of interlayer due to shutoff side, propping up 3 is by connecting ring 8, with anchored mode, to be connected on the outer surface of bare bracket main body 1, and, meanwhile, 1 pair of blood vessel of bare bracket main body has moulding effect; Shutoff side is propped up 3 and can be made shutoff side prop up 3 with the combination of bare bracket main body 1 to be effectively fixed on dissection of aorta breach effective shutoff breach, to stop that blood flow enters false chamber, induce false chamber thrombus organization and absorb.
Below the preferred embodiment of this utility model having been created illustrates, but this utility model is created and is not limited to described embodiment, those of ordinary skill in the art also can make all modification being equal to or replacement under the prerequisite without prejudice to this utility model creative spirit, and the modification that these are equal to or replacement are all included in the application's claim limited range.
Claims (4)
1. a dissection of aorta breach stopper, is characterized in that, it comprises that bare bracket main body (1), side are propped up epitheca (2) and be compressed in the shutoff side that side props up in epitheca (2) and props up (3);
Described shutoff side is propped up (3) and is also comprised turn (4) and turn microvillus (5), or described shutoff side is propped up (3) and also comprised steel wire (6) and spongy plug (7);
Its one end of described turn (4) is anchored to the outer surface of bare bracket main body (1) by connecting ring (8), described turn microvillus (5) is attached on turn (4);
Described steel wire (6) one end is anchored to the outer surface of bare bracket main body (1) by connecting ring (8); Described spongy plug (7) is attached on steel wire (6).
2. a dissection of aorta breach stopper as claimed in claim 1, is characterized in that the distance end of connecting ring (8) position on the outer surface of bare bracket main body (1) is provided with shutoff anchor point (9).
3. a dissection of aorta breach stopper as claimed in claim 1, is characterized in that, the distance end outer rim of bare bracket main body (1) is respectively provided with a plurality of main body anchor points (10).
4. a dissection of aorta breach stopper as claimed in claim 1, is characterized in that, described side is propped up the outer end of epitheca (2), is connected with traction seal wire (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420199194.8U CN203852449U (en) | 2014-04-23 | 2014-04-23 | Aortic dissection breach plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420199194.8U CN203852449U (en) | 2014-04-23 | 2014-04-23 | Aortic dissection breach plugging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203852449U true CN203852449U (en) | 2014-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420199194.8U Withdrawn - After Issue CN203852449U (en) | 2014-04-23 | 2014-04-23 | Aortic dissection breach plugging device |
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| Country | Link |
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| CN (1) | CN203852449U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104997572A (en) * | 2014-04-23 | 2015-10-28 | 中国人民解放军第二军医大学 | Aortic dissection breach plugging device |
| CN108143447A (en) * | 2017-12-26 | 2018-06-12 | 许尚栋 | A kind of dissection of aorta distal end cut plugging device |
| CN108283532A (en) * | 2018-01-15 | 2018-07-17 | 上海长海医院 | Leakage and the art component with spring ring chimney holder in anti- |
| CN108670343A (en) * | 2018-05-07 | 2018-10-19 | 北京航空航天大学 | A kind of intravascular plugging device |
| CN110796670A (en) * | 2019-10-30 | 2020-02-14 | 北京理工大学 | Dissection method and device for dissecting artery |
| CN113616267A (en) * | 2021-08-30 | 2021-11-09 | 北京华脉泰科医疗器械股份有限公司 | Aortic dissection breach plugging device |
| US11229438B2 (en) | 2017-06-28 | 2022-01-25 | Cook Medical Technologies Llc | Implantable medical device including valve member |
| CN115137428A (en) * | 2021-03-29 | 2022-10-04 | 上海微创心脉医疗科技(集团)股份有限公司 | Plugging device and plugging system |
| US11992219B2 (en) | 2021-06-10 | 2024-05-28 | Cook Medical Technologies Llc | Implantable medical device and assembly |
-
2014
- 2014-04-23 CN CN201420199194.8U patent/CN203852449U/en not_active Withdrawn - After Issue
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104997572A (en) * | 2014-04-23 | 2015-10-28 | 中国人民解放军第二军医大学 | Aortic dissection breach plugging device |
| CN104997572B (en) * | 2014-04-23 | 2017-12-01 | 中国人民解放军第二军医大学 | A kind of dissection of aorta breach plugging device |
| US11229438B2 (en) | 2017-06-28 | 2022-01-25 | Cook Medical Technologies Llc | Implantable medical device including valve member |
| CN108143447A (en) * | 2017-12-26 | 2018-06-12 | 许尚栋 | A kind of dissection of aorta distal end cut plugging device |
| CN108283532A (en) * | 2018-01-15 | 2018-07-17 | 上海长海医院 | Leakage and the art component with spring ring chimney holder in anti- |
| CN108670343A (en) * | 2018-05-07 | 2018-10-19 | 北京航空航天大学 | A kind of intravascular plugging device |
| CN110796670A (en) * | 2019-10-30 | 2020-02-14 | 北京理工大学 | Dissection method and device for dissecting artery |
| CN110796670B (en) * | 2019-10-30 | 2022-07-26 | 北京理工大学 | Dissection method and device for dissecting interbed artery |
| CN115137428A (en) * | 2021-03-29 | 2022-10-04 | 上海微创心脉医疗科技(集团)股份有限公司 | Plugging device and plugging system |
| US11992219B2 (en) | 2021-06-10 | 2024-05-28 | Cook Medical Technologies Llc | Implantable medical device and assembly |
| CN113616267A (en) * | 2021-08-30 | 2021-11-09 | 北京华脉泰科医疗器械股份有限公司 | Aortic dissection breach plugging device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141001 Effective date of abandoning: 20171201 |