CN202313544U - Aorta interlayer crevasse plugging umbrella - Google Patents
Aorta interlayer crevasse plugging umbrella Download PDFInfo
- Publication number
- CN202313544U CN202313544U CN2011202906332U CN201120290633U CN202313544U CN 202313544 U CN202313544 U CN 202313544U CN 2011202906332 U CN2011202906332 U CN 2011202906332U CN 201120290633 U CN201120290633 U CN 201120290633U CN 202313544 U CN202313544 U CN 202313544U
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- China
- Prior art keywords
- umbrella
- umbrella cover
- aorta
- dissection
- handle
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Abstract
The utility model relates to an aorta interlayer crevasse plugging umbrella, which structurally comprises an umbrella surface and an umbrella handle which are arranged in a metal wire braided structure, wherein the umbrella surface is of an elliptical shape, the umbrella surface is slightly downwardly depressed along the axial direction, a thin film is covered on an umbrella surface metal wire net, the umbrella handle is of a hollow cylinder or a round pipe body, the outer diameter of the umbrella handle is matched with the inner diameter of subclavian artery, and the lower end of the umbrella handle and the umbrella surface are connected at a right angle or close to a right angle on a position which deviates from the center of the umbrella surface. The aorta interlayer crevasse plugging umbrella is easy to achieve ideal position when planted, plugs a first crevasse after being planted, and does not cause interference to carotid artery.
Description
Technical field
This utility model relates to the medical apparatus and instruments of implant into body, relates in particular to be used for the metal net shaped support that portion's dissecting aneurysm cut falls in the shutoff aortic arch.
Background technology
Dissection of aorta is that aortic tunica intima is torn, and blood gets into the pathological change that aortic tunica media took place.One of Therapeutic Method of contemporary medical science is to be implanted into stent in aorta lumen, shutoff aortic tunica intima cut.Because each position of aorta is to the difference of blood flow stress, dissection of aorta first cut often betides the left subclavian artery opening with at a distance.When cut is far away apart from each branch vessel opening of aortic arch, because enough proximal landing zones are arranged, direct implant frame type blood vessel shutoff cut.But, when dissection of aorta first cut occurs near the branch vessel opening part on the aortic arch, if implant cavity inner support type blood vessel just has to cover simultaneously left subclavian artery opening and LCC opening.If design covers the LCC opening before the art, will before covering, carry out the reconstruction of LCC earlier.When being capped, part patient's left subclavian artery opening also to carry out artery reconstruction.And Carotid Reconstruction technical sophistication has a big risk, and complication is many, has therefore limited the higher dissection of aorta of first break location is implemented intracavity stent type vascular treatment.
The utility model content
The purpose of this utility model is to provide a kind of dissection of aorta first cut plugging device, is adapted to especially the higher dissection of aorta of first break location is implemented intracavity stent type vascular treatment.First cut of shutoff is afterwards implanted in this plugging device location of realizing ideal easily when implanting, and the common carotid artery opening is not exerted an influence.
This utility model is the support of metal wire knitted.Its overall shape such as umbrella are called dissection of aorta cut shutoff umbrella.
This utility model dissection of aorta cut shutoff pack is drawn together umbrella cover and umbrella handle two parts, and umbrella cover and umbrella handle are the metal wire knitted structure.Wherein, umbrella cover is oval, preferred oval; Umbrella cover is vertically slightly to lower recess, to adapt to the arc of aorta inwall; Umbrella cover metal gauze lining thin film; Umbrella handle is hollow circular cylinder or pipe body, and the external diameter of umbrella handle and subclavian artery internal diameter adapt, and the umbrella handle lower end at right angles or near the right angle connects at the position of departing from the umbrella cover center with umbrella cover mutually.So the junction of umbrella handle lower end and umbrella cover is arranged in the off-centered position of umbrella cover, be that to make the sidedness of tie-point be major axis and minor axis, after the shutoff umbrella was implanted, major axis one side was positioned at subclavian artery with far, helps the shutoff to cut; Minor axis one side is positioned at subclavian artery with closely, helps avoiding the common carotid artery opening.
The mode that umbrella handle lower end and umbrella cover connect is preferably used as the continuity mode wiry of braiding.That is, the tinsel of braiding umbrella cover is a continuous uninterrupted with the tinsel of braiding umbrella handle, just in manufacturing process, makes different parts have the shape of umbrella cover and umbrella handle through model and hot-working.The mode that umbrella handle lower end and umbrella cover connect also can be hinged when special requirement or welding.
This utility model dissection of aorta cut shutoff umbrella is implanted in the aortic arch portion aorta lumen, and umbrella handle stretches in the subclavian artery, and the shutoff umbrella is played fixation; Umbrella cover is attached at the aorta inwall, shutoff dissection of aorta cut.The size of umbrella cover should surpass more than the cut edge 1.5cm at its remote edge after the implantation.
As optimization, umbrella cover is a double-level-metal silk braiding structure, the double layer of metal silk screen thin film that is covered respectively.Implant the back and be called the A face towards the one side of aorta lumen, the one side that is attached at aorta wall is called the B face.Than the single-layer metal silk screen, the double-level-metal silk screen has more stable umbrella cover moulding, makes the shutoff of interlayer cut more reliable.When umbrella cover was the double-level-metal screen net structure, umbrella handle can only connect with the B face, also can umbrella handle lower end and A, the two-layer umbrella cover of B be connect through braiding or hinged mode.
As optimization, when umbrella handle was the pipe body, umbrella cover was established window, and umbrella handle end opening and umbrella cover window match, and with the umbrella cover fixed connection.So structure can keep subclavian artery unobstructed in shutoff dissection of aorta first cut.
As optimization, at umbrella cover mark is set, mark is linear, arranges along the traveling of umbrella cover major axis, uses visual material making under x-ray fluoroscopy.Mark is used for when implant procedure, observing the position of adjustment shutoff umbrella.When umbrella cover was double-level-metal silk braiding structure, mark was arranged on the A face.
Be used to weave nitinol alloy wire or stainless steel silk that the optional usefulness of tinsel of this utility model network has memory function; Used Ultimum Ti silk or stainless steel silk diameter are 0.01～0.3 millimeter; Thin-film material preferably polytetrafluoroethylene (PTFE) artificial blood vessel material of lining umbrella cover.
Description of drawings
Fig. 1 is this utility model dissection of aorta cut shutoff umbrella population structure sketch map;
Fig. 2 is Figure 1A-A cross-sectional view.
Represented parts or the position of label is among the figure: the 1-umbrella handle; 2-umbrella handle and umbrella cover junction; 3-umbrella cover A face; 4-umbrella cover B face.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment this utility model is described further.
Take 0.02 millimeter Ultimum Ti silk of diameter or stainless steel silk woven mesh metal rack.After possessing general shape, by model, metal gauze is done 1000 ℃ of left and right sides hot-working typings, process subsequent use dissection of aorta cut shutoff umbrella.
As shown in Figure 1, this utility model dissection of aorta cut shutoff umbrella is divided into umbrella cover and umbrella handle 1 two parts.Umbrella cover is the double-level-metal screen net structure.Implanting the back is A face 3 towards the one side of aorta lumen, and the one side that is attached at aorta wall is a B face 4.A, the B face PTFE film that is covered respectively.Umbrella cover is oval; Umbrella cover is slightly crooked to the tube chamber direction in the horizontal, and the arc of umbrella cover and aorta wall is adapted.
Umbrella handle 1 is cylinder or pipe body, and the length of umbrella handle 1 is 0.8-1.5cm, and umbrella handle 1 lower end at right angles or near the right angle connects with umbrella cover mutually, and junction 2 is positioned at the off-centered position of umbrella cover.Umbrella handle lower end and umbrella cover junction 2 are positioned at the zone of umbrella cover longitudinal axis 1/5 and 4/5 cut-point to 2/5 and 3/5 cut-point.
The bind mode of umbrella handle 1 lower end and umbrella cover is the continuity wiry of braiding, can only connect with B face 4, also can when connecting with B face 4, connect through weaving manner or hinged mode and A face 3.
As a kind of selectable organization plan, umbrella handle 1 is got the pipe body, and the A face 3 of umbrella cover and B face 4 match with the umbrella handle end opening with umbrella handle 1 lower end junction 2 concentric footpath together window being set.
This utility model dissection of aorta cut shutoff umbrella is compressed in the suitable induction system before use.Discharge back umbrella handle 1 and implant left subclavian artery.Umbrella cover A face 3 major axis are adjusted to subclavian artery with the distally, cover the dissection of aorta cut, and A face 3 minor axises are positioned at subclavian artery with nearside, do not block LCC.
Claims (7)
1. a dissection of aorta cut shutoff umbrella is characterized in that, comprise umbrella cover and umbrella handle two parts, umbrella cover and umbrella handle are the metal wire knitted structure; Wherein, umbrella cover is oval, and umbrella cover omits to lower recess vertically, umbrella cover metal gauze lining thin film; Umbrella handle is hollow circular cylinder or pipe body, and the external diameter of umbrella handle and subclavian artery internal diameter adapt, and umbrella handle lower end and umbrella cover at right angles or near the right angle fix connection at the position of departing from the umbrella cover center.
2. dissection of aorta cut shutoff umbrella according to claim 1 is characterized in that, umbrella handle lower end and umbrella cover junction are positioned at the zone of umbrella cover longitudinal axis 1/5 and 4/5 cut-point to 2/5 and 3/5 cut-point.
3. dissection of aorta cut shutoff umbrella according to claim 1 is characterized in that, the mode that umbrella handle lower end and umbrella cover connect is that the tinsel of braiding umbrella cover is a continuous uninterrupted with the tinsel of braiding umbrella handle.
4. dissection of aorta cut shutoff umbrella according to claim 1 is characterized in that at umbrella cover mark is set, mark is linear, arranges along the traveling of umbrella cover major axis, uses visual material making under x-ray fluoroscopy.
5. dissection of aorta cut shutoff umbrella according to claim 1 is characterized in that said umbrella handle is the pipe body, and umbrella cover is established window, and umbrella handle end opening and umbrella cover window match.
6. according to the described dissection of aorta cut of the arbitrary claim of claim 1-5 shutoff umbrella, it is characterized in that the tinsel that is used for the woven mesh support is nitinol alloy wire or the stainless steel silk with memory function.
7. dissection of aorta cut shutoff umbrella according to claim 6 is characterized in that the diameter of said nitinol alloy wire or stainless steel silk is 0.01～0.3 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202906332U CN202313544U (en) | 2011-04-27 | 2011-08-11 | Aorta interlayer crevasse plugging umbrella |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120127260.7 | 2011-04-27 | ||
| CN201120127260 | 2011-04-27 | ||
| CN2011202906332U CN202313544U (en) | 2011-04-27 | 2011-08-11 | Aorta interlayer crevasse plugging umbrella |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202313544U true CN202313544U (en) | 2012-07-11 |
Family
ID=46425554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202906332U Expired - Lifetime CN202313544U (en) | 2011-04-27 | 2011-08-11 | Aorta interlayer crevasse plugging umbrella |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202313544U (en) |
Cited By (6)
| 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 |
| CN106725685A (en) * | 2016-12-19 | 2017-05-31 | 北京大学第三医院 | Line traffic control remembers umbrella |
| CN108113716A (en) * | 2017-12-29 | 2018-06-05 | 谢永伟 | Hernia plugging device |
| CN108354645A (en) * | 2012-11-13 | 2018-08-03 | 柯惠有限合伙公司 | plugging device |
| CN108670343A (en) * | 2018-05-07 | 2018-10-19 | 北京航空航天大学 | A kind of intravascular plugging device |
| US11633818B2 (en) | 2019-11-04 | 2023-04-25 | Covidien Lp | Devices, systems, and methods for treatment of intracranial aneurysms |
-
2011
- 2011-08-11 CN CN2011202906332U patent/CN202313544U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108354645A (en) * | 2012-11-13 | 2018-08-03 | 柯惠有限合伙公司 | plugging device |
| US11690628B2 (en) | 2012-11-13 | 2023-07-04 | Covidien Lp | Occlusive devices |
| US11786253B2 (en) | 2012-11-13 | 2023-10-17 | Covidien Lp | Occlusive devices |
| 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 |
| CN106725685A (en) * | 2016-12-19 | 2017-05-31 | 北京大学第三医院 | Line traffic control remembers umbrella |
| CN106725685B (en) * | 2016-12-19 | 2023-12-01 | 北京积水潭医院 | wire controlled memory umbrella |
| CN108113716A (en) * | 2017-12-29 | 2018-06-05 | 谢永伟 | Hernia plugging device |
| CN108670343A (en) * | 2018-05-07 | 2018-10-19 | 北京航空航天大学 | A kind of intravascular plugging device |
| US11633818B2 (en) | 2019-11-04 | 2023-04-25 | Covidien Lp | Devices, systems, and methods for treatment of intracranial aneurysms |
| US11679458B2 (en) | 2019-11-04 | 2023-06-20 | Covidien Lp | Devices, systems, and methods for treating aneurysms |
| US11685007B2 (en) | 2019-11-04 | 2023-06-27 | Covidien Lp | Devices, systems, and methods for treatment of intracranial aneurysms |
| US11717924B2 (en) | 2019-11-04 | 2023-08-08 | Covidien Lp | Devices, systems, and methods for treatment of intracranial aneurysms |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201022 Address after: 100853 Fuxing Road, Beijing, Haidian District, No. 28 Patentee after: People's Liberation Army General Hospital Address before: 100853 Fuxing Road, Beijing, Haidian District, No. 28 Patentee before: Guo Wei Patentee before: Ma Xiaohui |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120711 |
|
| CX01 | Expiry of patent term |