CN100553593C - Collateral covered graft-stent - Google Patents
Collateral covered graft-stent Download PDFInfo
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- CN100553593C CN100553593C CN 200710079618 CN200710079618A CN100553593C CN 100553593 C CN100553593 C CN 100553593C CN 200710079618 CN200710079618 CN 200710079618 CN 200710079618 A CN200710079618 A CN 200710079618A CN 100553593 C CN100553593 C CN 100553593C
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- propped
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- metallic framework
- covered graft
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Abstract
The invention provides a kind of collateral covered graft-stent, comprise that main body and side prop up, also comprise connecting the portion that is flexible coupling that main body and side are propped up, this portion that is flexible coupling can be artificial blood vessel, as makes the slim blood vessel of stricture of vagina.The present invention also provides the method for releasing of this collateral covered graft-stent, comprising: when packing collateral covered graft-stent into carrier sheath pipe, side is propped up the front end that is positioned at main body, and the near-end of be flexible coupling portion and main body is overlapping; At descending aorta, side is propped up with main body and is separated, and side is propped up and is directed into left subclavian artery.After main body puts in place, discharge main body successively and side is propped up.Side Zhi Keyu main body of the present invention is arbitrarily angled, is applicable to any patient, and implants in the aorta easily.
Description
Technical field
The present invention relates to the medical skill that a kind of Wicresoft gets involved, be meant a kind of collateral covered graft-stent especially.
Background technology
With overlay film frame be used for the treatment of arotic disease be in recent years the aorta surgery one greatly the progress, its indication has comprised dissection of aorta, aorta true aneurysm, aorta false aneurysm, aorta penetrating ulcer etc.This technology has alleviated operation wound greatly.Patient recovers faster.But also there is weak point.Describe below.
Being used for breast overlay film frame initiatively at present is straight tubular.Fig. 1 shows the example that is used for arotic disease, when near-end tumor neck and left subclavian artery close together, in order to obtain sufficiently long anchorage zone, often need left subclavian artery is sealed in the lump to avoid causing the displacement of overlay film frame owing to high speed blood flow in the aorta.Though can realize that like this overlay film frame is fixed in the aorta,, may cause cerebral ischemia and left upper extremity ischemia because overlay film frame has sealed left subclavian artery.
Solution to this problem is to use collateral covered graft-stent, when guaranteeing that main body has sufficiently long anchorage zone, side is propped up send into left subclavian artery, can guarantee simultaneously that the blood of left subclavian artery supplies.Use collateral covered graft-stent need solve three problems: the one, left subclavian artery and aortic arch angulation individual variation are bigger, prop up with the main body angulation and can change with regard to the side that requires collateral covered graft-stent like this; The 2nd, because collateral covered graft-stent has increased side and propped up, overlay film frame compression back volume increases, and needs bigger carrier, is unfavorable for that carrier enters peripheral blood vessel, as femoral artery.Therefore requiring to increase side under the prerequisite that does not increase overlay film frame compression back volume props up; The 3rd, requirement main body and side Zhi Yaoyou independently restraint deposited system, can separate in aorta, discharge successively after conveying puts in place.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of collateral covered graft-stent and method for releasing thereof, is arbitrarily angled to realize side Zhi Keyu main body, and is convenient to implant intra-arterial.
Collateral covered graft-stent provided by the invention comprises that main body and side prop up, and also comprises the portion that is flexible coupling that main body and side are propped up that connects.
Wherein, the described portion that is flexible coupling comprises artificial blood vessel.
Wherein, described artificial blood vessel comprises and makes the slim blood vessel of stricture of vagina.
Wherein, described main body and side are propped up respectively and are comprised: overlay film and metallic framework.
Wherein, the metallic framework on the described main body comprises: first's metallic framework is used for supportive body; The second portion metallic framework is used for propping up the part that a nearer end props up to side apart from side on the supportive body.
Wherein, the wave number of described second portion metallic framework is more than the wave number of first's metallic framework, and crest is lower than the crest of second portion metallic framework.
Wherein, prop up a nearer end apart from side on the described main body and can have or not have naked metal rack.
The method for releasing of collateral covered graft-stent provided by the invention comprises:
When packing collateral covered graft-stent into carrier sheath pipe, side is propped up the front end that is positioned at main body, and the near-end of be flexible coupling portion and main body is overlapping; At descending aorta, side is propped up with main body and is separated, and side is propped up and is directed into left subclavian artery; After main body puts in place, discharge main body successively and side is propped up.
As implied above, collateral covered graft-stent provided by the invention, its side is propped up with main body and is flexible coupling owing to having adopted, and promptly side is propped up with main body and is connected by a bit of stricture of vagina blood vessel of making, and side is propped up the angle that is with main body can random variation.And, owing to make the stricture of vagina blood vessel retractility is arranged, when packing carrier into, will make the stricture of vagina blood vessel and elongate, side is propped up the front end that can be placed on main body, and only connecting portion and proximal are overlapping, like this, do not increase the volume after overlay film frame compresses substantially, do not need bigger carrier.
As seen from the above, collateral covered graft-stent provided by the invention had both guaranteed the length of overlay film frame proximal landing zone, did not influence the blood flow of left subclavian artery again.Particularly be applicable to that treatment involves the initiatively pathological changes of bow, as pathological changes such as dissecting aneurysm of aorta (DeBakey III type), aortic arch portion false aneurysm, true aneurysms etc.
Description of drawings
Fig. 1 is that the straight barrel type overlay film frame is implanted aortal sketch map;
Fig. 2 is a collateral covered graft-stent sketch map of the present invention;
Fig. 3 is that collateral covered graft-stent of the present invention is implanted aortal sketch map.
The specific embodiment
The present invention is described in detail below in conjunction with accompanying drawing.Show collateral covered graft-stent sketch map of the present invention as Fig. 2, comprise that overlay film frame main body 1, side prop up 2, connect main body 1 and side and prop up 2 the portion 3 that is flexible coupling.Wherein:
The main body 1 of overlay film frame is made of metallic framework 101 and overlay film 102, and integral body is straight cylinder or gradually thin cylindrical shape.Length can be 30 to 160mm, and diameter can be 20 to 40mm, and distal diameter can be identical with near-end, can also be less than proximal diameter.Near-end can have or not have bare bracket.Metallic framework 101 is " Z " shape structure or braiding structure, and in order to distinguish with following metallic framework 103, above-mentioned metallic framework 101 can be described as first's metallic framework, and following metallic framework 103 can be described as the second portion metallic framework.
Main body 1 near-end props up 2 this part metallic frameworks 103 to side can support this part overlay film of main body just, can adopt the less metallic framework 103 of the more crest of wave number amount to realize as figure, and this design can make proximal and aorta inwall fit tightly.Main body 1 near-end can have or not have naked metal rack.
Side is propped up 2 and is made of metallic framework 201 and overlay film 202, and is cylindrical.Length can be 10 to 60mm, and diameter can be 5 to 18mm.Side is propped up 2 and is sent by a side of main body 1 near-end, can be 3 to 10mm with the distance of main body 1 near-end.Side is propped up 2 and is used binding or overcoat mode to fetter, and side is propped up 2 head end guide wire.
Overlay film frame main body 1 and side 2 the portion 3 that is flexible coupling of propping up is flexible coupling part, and it is 2 identical that diameter and side are propped up, and grows 3 to 10mm.Can realize that side props up 2 and be at any angle with main body 1 and be connected, and the portion 3 that is flexible coupling has retractility.Wherein, the portion 3 that is flexible coupling can realize by artificial blood vessel, as can be and make stricture of vagina thin type blood vessel, and this artificial blood vessel can be made by medical macromolecular materials, as polyester fiber yarn fabric, politef, polyamide yarn fabric, polypropylene spun fabric.
Aforementioned body 1 and side are propped up 2 overlay film and be can be slim blood vessel, are made by medical macromolecular materials, as polyester fiber yarn fabric, politef, polyamide yarn fabric, polypropylene spun fabric.The material that aforementioned body 1 and side are propped up 2 metallic framework can be medical alloy, as niti-shaped memorial alloy, super alloy, cobalt chromium dynamax, the 316L medical stainless steel alloy etc. of playing of NiTi, is " Z " shape structure or braiding structure.
When packing collateral covered graft-stent into carrier sheath pipe, connecting portion 3 can elongate, and side is propped up 2 front ends that can be positioned at main body 1 like this, does not increase the volume after the reduced overall.
When needs are implanted tremulous pulse with above-mentioned collateral covered graft-stent, can adopt following mode:
In advance, measure CT (computer topography) or nuclear magnetic resonance image before the operation, clear and definite aortic arch portion's diameter and left subclavian artery diameter, the collateral covered graft-stent of selected corresponding size.
Then,, when packing into, because the scalability and the pliability of the portion 3 that is flexible coupling, make the side of collateral covered graft-stent prop up 2 front ends that are positioned at its main body 1, make the portion 3 that is flexible coupling overlapping with the near-end of main body 1 with pack into the sheath pipe of carrier of selected collateral covered graft-stent.
Afterwards, when undergoing surgery, adopt one-sided femoral artery otch, and send into and add stiff guide wire; Along adding stiff guide wire carrier is sent into tremulous pulse again.
The left upper extremity brachial artery penetrates the sheath pipe, side is propped up the guide wire of head end and passes through descending aorta, left subclavian artery successively, pulls out from the sheath pipe.
When carrier arrives descending aorta, will remove under its epitheca pipe, make side prop up 2 and separate with main body 1, the tractive side is propped up the guide wire of 2 head ends then, and side is propped up 2 introducing left subclavian arteries, makes side prop up 2 and puts in place.
Then, after putting in place, discharge main body 1 and side successively and prop up 2 by main body 1.
Can be referring to the sketch map behind the collateral covered graft-stent implantation aorta of the present invention shown in Fig. 3.
Therefore the present invention is because side props up 2 is connected by the portion 3 that is flexible coupling with main body 1, thus realized side prop up 2 and the angle that is of main body 1 can random variation, go for different patients like this.Simultaneously, owing to be flexible coupling 3 ones retractility is arranged, when packing carrier into, the portion 3 that will be flexible coupling elongates, thereby side can be propped up 2 front ends that are placed on main body 1, and only connecting portion 3 is overlapping with main body 1 near-end, like this, does not increase the volume after the overlay film frame compression substantially.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. collateral covered graft-stent, comprise that main body and side prop up, it is characterized in that, also comprise the telescopic portion that is flexible coupling that connection main body and side are propped up, described main body and side are propped up and are also comprised metallic framework respectively and overlay on overlay film on the metallic framework, and the described minister's of being flexible coupling degree is extending to the front end that side is propped up be positioned at main body.
2. collateral covered graft-stent according to claim 1 is characterized in that, the length of the described portion that is flexible coupling is 3 to 10mm.
3. collateral covered graft-stent according to claim 1 is characterized in that, the described portion that is flexible coupling comprises artificial blood vessel.
4, collateral covered graft-stent according to claim 3 is characterized in that, described artificial blood vessel comprises makes the slim blood vessel of stricture of vagina.
5, collateral covered graft-stent according to claim 1 is characterized in that, the metallic framework on the described main body comprises:
First's metallic framework is used for supportive body;
The second portion metallic framework is used for propping up the part that a nearer end props up to side apart from side on the supportive body.
6, collateral covered graft-stent according to claim 5 is characterized in that, the wave number of described second portion metallic framework is more than the wave number of first's metallic framework, and crest is less than the crest of first's metallic framework.
7, collateral covered graft-stent according to claim 1 is characterized in that, propping up a nearer end apart from side on the described main body can have or not have naked metal rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710079618 CN100553593C (en) | 2007-02-28 | 2007-02-28 | Collateral covered graft-stent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710079618 CN100553593C (en) | 2007-02-28 | 2007-02-28 | Collateral covered graft-stent |
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| Publication Number | Publication Date |
|---|---|
| CN101015478A CN101015478A (en) | 2007-08-15 |
| CN100553593C true CN100553593C (en) | 2009-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710079618 Active CN100553593C (en) | 2007-02-28 | 2007-02-28 | Collateral covered graft-stent |
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| CN (1) | CN100553593C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102961198A (en) * | 2012-10-31 | 2013-03-13 | 普霖医疗科技(广州)有限公司 | Covered stent conveyor and conveying method thereof |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101836911A (en) * | 2009-03-18 | 2010-09-22 | 微创医疗器械(上海)有限公司 | Collateral filmed stent |
| US20130226026A1 (en) * | 2012-02-28 | 2013-08-29 | Spiration, Inc. | Pulmonary nodule access devices and methods of using the same |
| CN102895053B (en) * | 2012-07-23 | 2015-08-26 | 张学民 | Collateral covered graft-stent |
| CN103300940B (en) * | 2013-06-27 | 2015-06-24 | 中国人民解放军第三军医大学第三附属医院 | Integrated thoracic aortic branch support |
| CN104161605A (en) * | 2014-08-18 | 2014-11-26 | 柳克祥 | Improved support artificial blood vessel |
| CN104161606A (en) * | 2014-08-18 | 2014-11-26 | 柳克祥 | Artificial blood vessel with support |
| CN108553202A (en) * | 2018-07-03 | 2018-09-21 | 上海交通大学医学院附属第九人民医院 | A kind of holder for treating Type B dissection of aorta |
| CN111249031B (en) * | 2020-01-17 | 2021-08-17 | 中国人民解放军陆军军医大学第一附属医院 | Femoral artery covered stent with branches |
| CN115462861B (en) * | 2022-10-31 | 2023-03-24 | 北京华脉泰科医疗器械股份有限公司 | Support arrangement is rebuild to anchoring zone |
Citations (4)
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| CN2675083Y (en) * | 2004-01-06 | 2005-02-02 | 微创医疗器械(上海)有限公司 | Stent graft for |
| CN201026247Y (en) * | 2006-10-31 | 2008-02-27 | 许尚栋 | Complex of artificial blood vessel and artificial bracket blood vessel |
| CN101152109A (en) * | 2006-09-27 | 2008-04-02 | 黄方炯 | Three-collateral bracket vascellum for arcus aortae |
| CN201046170Y (en) * | 2007-02-28 | 2008-04-16 | 许尚栋 | Collateral type tectorial bracket |
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2007
- 2007-02-28 CN CN 200710079618 patent/CN100553593C/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2675083Y (en) * | 2004-01-06 | 2005-02-02 | 微创医疗器械(上海)有限公司 | Stent graft for |
| CN101152109A (en) * | 2006-09-27 | 2008-04-02 | 黄方炯 | Three-collateral bracket vascellum for arcus aortae |
| CN201026247Y (en) * | 2006-10-31 | 2008-02-27 | 许尚栋 | Complex of artificial blood vessel and artificial bracket blood vessel |
| CN201046170Y (en) * | 2007-02-28 | 2008-04-16 | 许尚栋 | Collateral type tectorial bracket |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102961198A (en) * | 2012-10-31 | 2013-03-13 | 普霖医疗科技(广州)有限公司 | Covered stent conveyor and conveying method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101015478A (en) | 2007-08-15 |
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