CN2726558Y - Aortic arch type stent-graft - Google Patents
Aortic arch type stent-graft Download PDFInfo
- Publication number
- CN2726558Y CN2726558Y CNU032639414U CN03263941U CN2726558Y CN 2726558 Y CN2726558 Y CN 2726558Y CN U032639414 U CNU032639414 U CN U032639414U CN 03263941 U CN03263941 U CN 03263941U CN 2726558 Y CN2726558 Y CN 2726558Y
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- CN
- China
- Prior art keywords
- blood vessel
- opening
- aortic arch
- lumen
- support
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Abstract
The utility model discloses an aortic arch type membrane-covered supporter which is a hollow tubular structure. An opening which is open to the interior of the tube cavity is arranged on the tubular center. The tube wall is made up that one layer of the purpose-made ultrathin dacron is outside covered on the basis of connecting a few of flexible stainless steel supporters with stainless steel wires. The supporter is placed in the blood vessel of the patient in the surgical operation. One side of the tubular opening is placed on the near end of the lumen of the blood vessel, and the other end of the tubular opening is placed on the far end of the lumen of the blood vessel. The opening is placed on the branched part of the blood vessel, and the dacron tube wall on the side of the branched part is stuck in the pathologic vessel wall. After the supporter is released, the blood form the heart passes through one side of the opening of the blood vessel to flow to the other side, and simultaneously flows to the branched part of the blood vessel. The blood flows to the whole body ultimately. The supporter replaces and isolates the part of the pathologic blood vessel.
Description
This utility model relates to a kind of medical domain vascular operation support, is that a kind of arc large aneurysm of aorta that is exclusively used in is treated used overlay film frame.
Aortic arch type large aneurysm is not rare clinically, and this is comprising true property, false and dissecting aneurysm, can seriously involve heart and brain and each major organs of whole body as untimely treatment.Even break and cause patient dead in a short time.The unique Therapeutic Method of past for this class disease is by the excision aneurysm, replaces with artificial blood vessel.But the aortic arch replacement operation has a big risk, and difficulty is big, needs profound hypothermia, extracorporeal circulation, stops the application of complex technologys such as body circulation, brain perfusion, and patient is hit heavily, and complication is many, the operative mortality height.In recent years, along with improving constantly of medical technique level, can pass through endoluminal vascular surgery less invasive techniques to the part patient, non-operative treatment is treated this class disease of arteria arcuata tumor.Specific practice is: a little otch is done by portion at patient's abdomen thigh, miniature film-coated vascular support after will being compressed with input pipe is sent to the position of pathological changes by blood vessel access, input pipe withdraws from after discharging support, the film-coated vascular support completely cuts off and has substituted lesion vessels like this, thereby reaches the curative effect identical with operation.This support is a kind of contractibility stainless steel stent, the outer special ultrafine woven dacron of one deck that covers, after stainless steel stent discharges, support becomes a tubular structure, tubular shaped double-side is respectively the opening shape, liquid flow can be appointed in the centre, and this support of operation back blood vessel just isolated and alternative pathological changes is finished the circulation of blood.But utilizing overlay film frame treatment ascending aorta tumor, aortic arch tumor and DeBakeyI, II type dissecting aneurysm also to belong to the medical treatment blank.This is main because existing film-coated vascular support has also stoped the unimpeded of vessel branch in isolated and alternative lesion vessels, can not be to ramose unobstructed protection of three trunks of sending on the bow, thus influence the blood supply of brain.Clinically inner membrance being torn the higher dissecting aneurysm in position in addition also will take into account in branched protection of aortic arch and reconstructions such as side subclavian arteryes when utilizing the overlay film frame treatment.The existence of these problems has limited The Application of Technology in the lumen of vessels to a certain extent.
This utility model has overcome above-mentioned a plurality of weak points just, has effectively solved the problem of utilizing in overlay film frame treatment ascending aorta tumor, aortic arch tumor and the treatments such as DeBakey I, II type dissecting aneurysm, has widened the lumen of vessels The Application of Technology.
This utility model is for addressing the above problem ad hoc a kind of aortic arch overlay film frame of having counted.This aortic arch overlay film frame is a hollow tubular structures, the tube wall of this tubular structure is to make on the basis of bare bracket (size is determined according to concrete requirement) after two steel wires connections with same material respectively between two or more contractibility rustless steels of connection Z type support, adopt ultra-thin terylene vascular patch to cover on the bare bracket, fix with the 6-Oprolene suturing with thread management, have one to lead to intraluminal ellipse opening in tube chamber central authorities, this ellipse opening is for when using support, avoids blocking three vessel branches sending on the aortic arch and particular design.The tube chamber both sides are respectively side opening, and the size of whole tubular structure can be according to concrete state of an illness design.After this aortic arch overlay film frame completes, carry out disinfection, be compressed and put into input pipe with gas.Specific practice is: a little otch is done by portion at patient's abdomen thigh, after with input pipe aortic arch film-coated vascular support being sent to the position of pathological changes by blood vessel access, input pipe withdraws from after discharging support, the aortic arch overlay film frame completely cuts off and has substituted lesion vessels like this, thereby reaches the curative effect identical with operation; And this support can be put in patient's the aortic arch portion lumen of vessels, the opening of tube chamber both sides is placed on the near-end in the lumen of vessels on one side, be placed on the far-end in the lumen of vessels on one side, the intermediary ellipse opening of tube chamber is placed on the branch part of lumen of vessels, and is docile and obedient in the blood vessel wall of pathological changes is arranged with the outer membrane tube wall of the terylene in the tube chamber.After this support release, the blood flow that comes out from heart flows out by support, and can flow by the mesotropic opening of support tube, has kept the unobstructed of vessel branch, and the blood vessel wall that has pathological changes simultaneously is by isolated and alternative.
Fig. 1 is an aortic arch overlay film frame vertical view
Fig. 2 is an aortic arch overlay film frame side view
Fig. 3 is that common overlay film frame discharges the state of back in blood vessel
Fig. 4 is that the aortic arch overlay film frame discharges the state of back in blood vessel
Below in conjunction with accompanying drawing this utility model is described further.
1 is that the aortic arch overlay film frame leads to intraluminal ellipse opening in tube chamber central authorities among Fig. 1, the 2, the 3rd, and side opening, the 4th, the terylene adventitia of ultra-thin terylene vascular patch, the 5th, Z type support.The 6th, the steel wire of connection rustless steel Z type support.7 is aortic arch tumors among Fig. 4, the 8th, and vessel branch.When aortic arch tumor 7 is carried out Minimally Invasive Surgery, after with input pipe miniature aortic arch film-coated vascular support being sent to the position of pathological changes by blood vessel access, discharge support, 2 near-ends that are placed in the lumen of vessels among opening Fig. 1 of aortic arch overlay film frame tube chamber one side, 3 far-ends that are placed in the lumen of vessels among opening Fig. 1 of tube chamber opposite side, 1 branch part that is placed on lumen of vessels among the intermediary ellipse opening of tube chamber Fig. 1,4 is docile and obedient in the blood vessel wall of pathological changes is arranged in the other terylene wall portion bitmap 1 of the intermediary ellipse opening of tube chamber.After this support discharged, the blood that flows out from heart flow to 1 and 3 positions by 2 the support,, kept the unimpeded of vessel branch, the blood vessel wall that has pathological changes simultaneously is by isolated and alternative.Input pipe withdraws from after discharging support, and the film-coated vascular support substitutes and completely cut off lesion vessels like this, thereby reaches the curative effect identical with operation, has solved the protective effect of Fig. 3 medium vessels support to vessel branch simultaneously, makes vessel branch unimpeded.
The utility model is compared with prior art, has following advantage. By using the arch of aorta Overlay film frame can be hindered method treatment patient by nonoperative Wicresoft, thereby replaces with traditional Highly difficult, excessive risk, high mortality operation, and can reach identical curative effect; Simultaneously because right The particular design of arch of aorta overlay film frame has obtained the branch to blood vessel in the operation fully Protection makes vessel branch unobstructed, the vascular wall of pathology is completely cut off and substitutes, and has widened simultaneously The application of lumen of vessels technology.
Claims (1)
1. the aortic arch overlay film frame of a treatment design that aims at the aortic arch large aneurysm, it is characterized in that by 2 or 2 above rustless steel Z type supports, the stainless steel silk that connects rustless steel Z type support, the outer special tubular structure that forms of ultrafine woven dacron that covers, make bare bracket after 2 or 2 above rustless steel Z type supports connected with two steel wires of same material, cover on the bare bracket with ultrafine woven dacron vascular patch, fix with suturing with thread management, in tubulose central authorities one opening that leads to tube chamber is arranged, thereby make aortic arch type overlay film frame with ellipse opening, support is put into patient's blood vessel in operation, a piped side opening is placed on the near-end of lumen of vessels, opposite side is placed on the far-end of lumen of vessels, and the ellipse opening is placed on the vessel branch position, and the other terylene tube wall of ellipse opening pastes clothes in the blood vessel wall of pathological changes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032639414U CN2726558Y (en) | 2003-05-29 | 2003-05-29 | Aortic arch type stent-graft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032639414U CN2726558Y (en) | 2003-05-29 | 2003-05-29 | Aortic arch type stent-graft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2726558Y true CN2726558Y (en) | 2005-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU032639414U Expired - Fee Related CN2726558Y (en) | 2003-05-29 | 2003-05-29 | Aortic arch type stent-graft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2726558Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100457197C (en) * | 2007-03-07 | 2009-02-04 | 中国人民解放军第二军医大学 | Adjustable artificial aortic arch transplant |
| CN102895053A (en) * | 2012-07-23 | 2013-01-30 | 张学民 | Side-supporting type tectorial membrane support |
| CN104135966A (en) * | 2012-02-27 | 2014-11-05 | 国立大学法人广岛大学 | Stent graft |
| CN105853023A (en) * | 2016-04-18 | 2016-08-17 | 谷涌泉 | Windowing covered stent |
| CN106236339A (en) * | 2016-07-22 | 2016-12-21 | 江苏大学 | A kind of it is applicable to the conical blood vessel support that bifurcated vessels master props up |
| CN109475418A (en) * | 2016-07-13 | 2019-03-15 | 波士顿科学国际有限公司 | For the instrument and method in the intravascular maintenance smoothness adjacent with nearby performing the operation |
-
2003
- 2003-05-29 CN CNU032639414U patent/CN2726558Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100457197C (en) * | 2007-03-07 | 2009-02-04 | 中国人民解放军第二军医大学 | Adjustable artificial aortic arch transplant |
| CN104135966A (en) * | 2012-02-27 | 2014-11-05 | 国立大学法人广岛大学 | Stent graft |
| US10828144B2 (en) | 2012-02-27 | 2020-11-10 | Hiroshima University | Stent graft |
| CN102895053A (en) * | 2012-07-23 | 2013-01-30 | 张学民 | Side-supporting type tectorial membrane support |
| CN102895053B (en) * | 2012-07-23 | 2015-08-26 | 张学民 | Collateral covered graft-stent |
| CN105853023A (en) * | 2016-04-18 | 2016-08-17 | 谷涌泉 | Windowing covered stent |
| CN109475418A (en) * | 2016-07-13 | 2019-03-15 | 波士顿科学国际有限公司 | For the instrument and method in the intravascular maintenance smoothness adjacent with nearby performing the operation |
| CN106236339A (en) * | 2016-07-22 | 2016-12-21 | 江苏大学 | A kind of it is applicable to the conical blood vessel support that bifurcated vessels master props up |
| CN106236339B (en) * | 2016-07-22 | 2018-06-01 | 江苏大学 | A kind of conical blood vessel stent suitable for the main branch of bifurcated vessels |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |