CN103126785A - Modular scaffold vascular system - Google Patents
Modular scaffold vascular system Download PDFInfo
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- CN103126785A CN103126785A CN2011103841560A CN201110384156A CN103126785A CN 103126785 A CN103126785 A CN 103126785A CN 2011103841560 A CN2011103841560 A CN 2011103841560A CN 201110384156 A CN201110384156 A CN 201110384156A CN 103126785 A CN103126785 A CN 103126785A
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- trunk
- stent graft
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- graft system
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Abstract
A modular scaffold vascular system is provided with a tube-shaped main body. The main body is provided with a support for reinforcement, a falling end and a rising end. The falling end is used for being inserted into an aorta arch and extended to a position of a descending aorta. The rising end is used for connecting an ascending aorta. A connecting device is arranged on the main body and is in a branch shape to connect a left subclavian artery, a left common carotid artery and an arteria brachiocephalica to the main body. At least a part of blood from the main body is enabled to flow out of the main body in a concentrated mode and then flows to the left subclavian artery, the left common carotid artery and the arteria brachiocephalica in a branch mode. Through the branch-shaped connecting device, detachment and installation operation of connecting the three arteries to the main body is enabled to be convenient and practical, and therefore operation time is won over.
Description
Technical field
The present invention is about a kind of stent graft system, especially about a kind of support vascular system of combined modular.
Background technology
As shown in figure 12, the existing support blood vessel of the first body is to be used to provide aortic arch (Aortic arch) operation to use to support the aortic arch inner face, peel off or the treatment means of aortic aneurysm as aorta, it includes branching pipe 911, a total branching pipe 912 of left neck and an arm head branching pipe 913 under the trunk 91 of a tubulose, left clavicle.
This trunk 91 is that to be provided with self-inflated (self-expandable) elastomeric material of expandable stent (expandable stent) made, and it has two ends 914,915 to connect aortal position.When two ends 914,915 of this trunk 91 are connected in aorta with automatic expansion, to be resisted against the inner face at these positions of aorta.At one end 915 nearby be provided with expandable stent, by this expandable stent, this trunk 91 is connected in ascending aorta (Ascending aorta).Yet, by this expandable stent provide urgent by establishing effect, be not sufficient to bear the powerful blood flow from ascending aorta, therefore be difficult to set firmly this trunk 91.
Under described left clavicle, branching pipe 911, the total branching pipe 912 of left neck and arm head branching pipe 913 are similarly made with the self-inflated elastomeric material that is provided with expandable stent, and can not be extended oneself with breaking away from and be communicated in the trunk 91 of described tubulose, be used to respectively be communicated in left subclavian artery (left subclavian artery), left common carotid artery (left common carotid artery) and arteria brachiocephalica (brachiocephalic artery claims again innominate artery) by it from swollen characteristic.
As shown in figure 13, the existing support blood vessel of the second body is similar to the existing support blood vessel of above-mentioned the first body, its different being in the elasticity self-inflated tubulose trunk 92 of the existing support blood vessel of the second body employing is that under the left clavicle that the existing support blood vessel of the second body adopts, branching pipe 921, the total branching pipe 922 of left neck and arm head branching pipe 923 are parts that is made of artificial blood vessel's material can not extending from with breaking away from and be communicated in the trunk 92 of described tubulose with made along mutual rack and the artificial blood vessel's material that arranges of longitudinally.The existing support blood vessel of described the second body is by from the urgent inner face by the branch tremulous pulse that is located at aorta and aortic arch of swollen characteristic.
As shown in Figure 12 and 13, the existing support blood vessel of described the first and the second body includes the trunk 91,92 and the branching pipe 911～913,921～923 that can not break away from of a tubulose.Although the trunk 91,92 that tubulose may occur in use can coordinate the aortic arch of sufferer, all or at least one branching pipe 911～913,921～923 and left subclavian artery, left common carotid artery and the arteria brachiocephalica of sufferer or one of them situation that can not coordinate at least.
Yet the aorta caliber of the different sufferers of receiving treatment in medical institutions is widely different, and the caliber of its left subclavian artery, left common carotid artery and arteria brachiocephalica is also like this.Because existing support blood vessel body is being peeled off such as aorta or Operation of Aortic Aneurysm when using, must make trunk 91,92 and all branching pipes 911～913,921～923 all can coordinate aorta and the branch tremulous pulse of sufferer, make medical institutions must spend the cost of getting the raw materials ready of great number, prepare at any time to have various different tube diameters trunks 91,92 and the branching pipe 911～913 that can not break away from, 921～923 support blood vessel body, can satisfy the demand of operation, and then treatment aorta and the different sufferer of branch tremulous pulse caliber.
A kind of get the raw materials ready method of too huge problem of the existing support blood vessel of described different tube diameters body stock that solves is to use visitor's system (custom-made) support blood vessel body.But the cost of the costliness that visitor's support blood vessel body processed is difficult to accept but becomes visitor's another obvious shortcoming of support blood vessel body processed.And clinically, the more obvious shortcoming of visitor's support blood vessel body processed is that it is difficult to immediately provide operation to be used, and particularly is difficult to immediately provide emergency operation to be used, and for example aorta is peeled off operation and is a kind of emergency operation that often betides the emergency treatment situation.
Characteristic on described existing support blood vessel body construction, also make to carry out such as Acute Aortic and peel off or aortic aneurysm breaks and waits the doctor who performs the operation, before operation or in even performing the operation, need the considerable time of cost to select support blood vessel body, or make in advance the support blood vessel that meets patient anatomy structure, so that trunk 91,92 and all branching pipes 911～913,921～923 can both coordinate aorta and the branch tremulous pulse of sufferer, yet so will additionally increase a large amount of operating times, and the uncertainty of operation process is increased, and then affect surgical outcome.
Summary of the invention
Because the shortcoming of aforementioned existing support blood vessel body the object of the present invention is to provide a kind of stent graft system.
Stent graft system provided by the present invention includes:
One trunk, it presents tubulose and has dilatancy, and has reinforcement support, decline end and rising end; The position that described decline end is used for connecting aortic arch and extends to descending aorta; Described rising end is used for being connected to the position of ascending aorta;
One connecting device, it is arranged at aforementioned trunk, and present branched so that left subclavian artery, left common carotid artery and arteria brachiocephalica are connected to described trunk, make at least a portion first conflux after trunk from the blood of trunk, then branch to left subclavian artery, left common carotid artery and arteria brachiocephalica.
In other words, stent graft system provided by the present invention, it has:
One trunk, it presents tubulose and has dilatancy, and has reinforcement support, decline end and rising end; Described decline end is used for connecting the position that aortic arch extends to descending aorta; Described rising end is used for being connected to the position of ascending aorta;
One connecting device, it is arranged on aforementioned trunk and presents branched, and by a plurality of bodys, left subclavian artery, left common carotid artery and arteria brachiocephalica are connected to described trunk, make at least a portion first conflux after trunk from the blood of trunk, then branch to left subclavian artery, left common carotid artery and arteria brachiocephalica.
Described the present invention structure can allow the doctor that performs the operation select respectively the trunk that is suitable in operation on aorta, and the branched connecting device by arranging on trunk, and select to adapt to the body of sufferer left subclavian artery, left common carotid artery and arteria brachiocephalica for this connecting device.Than the aorta and existing support blood vessel body that branch tremulous pulse fully conform to of selection with sufferer, utilize the present invention significantly to save time; And the special construction by the branched connecting device that arranges on trunk and trunk, make the body Assembly Action that aforementioned three tremulous pulsies are connected to described trunk easier fast, and size that more can the Flexible change body, thereby strengthened striving for the effect of operating time.
In addition, medical treatment manufacturer only needs the connecting device that can mutually make up and the trunk of stock's stent graft system of the present invention respectively, and do not need the different existing integrally formed support blood vessel body of huge stocks caliber, therefore utilize the present invention can significantly reduce the cost that the stock gets the raw materials ready.
Description of drawings
Fig. 1 is the axonometric chart of the first embodiment of stent graft system of the present invention.
Fig. 2 is the axonometric chart of trunk of the first embodiment of stent graft system shown in Figure 1.
Fig. 3 is that trunk shown in Figure 2 is connected in aortal user mode axonometric chart with band.
Fig. 4 is that trunk shown in Figure 2 is connected in aortal user mode axonometric chart with another band.
Fig. 5 is that trunk shown in Figure 2 is connected in aortal user mode axonometric chart with another band.
Fig. 6 is the axonometric chart of body of the first embodiment of stent graft system shown in Figure 1.
Fig. 7 is the axonometric chart of other bodys of the first embodiment of stent graft system shown in Figure 1.
Fig. 8 is the axonometric chart of the trunk of second embodiment of the invention.
Fig. 9 is the axonometric chart of the trunk of third embodiment of the invention.
Figure 10 is the axonometric chart of the trunk of fourth embodiment of the invention.
Figure 11 is the axonometric chart of fifth embodiment of the invention.
Figure 12 is the axonometric chart of existing support blood vessel body.
Figure 13 is the side view of existing another support blood vessel body.
[main element symbol description]
10 trunk 14 control valves
15 descend holds 16 rising ends
17 support 20 connecting devices
21 first arrange seat 211 inside end
212 outer end 20 ' connecting devices
21 ' seat 22 ' seat is set is set
23 ' seat is set
212 ' outer end 22 second arranges seat
221 outer end 222 outer end
23 body 24 bodys
241 overhead kick 25 bodys
251 overhead kick 31 bands
311 built-in structure 32 bands
321 clips
40 trunks
44 control valves 45 descend and hold
46 rising end 47 supports
50 trunk 54 control valves
55 descend holds 56 rising ends
57 support 58 friction sleeves
60 trunk 64 control valves
65 descend holds 66 rising ends
67 support 68 retainer rings
70 trunk 74 control valves
75 descend holds 76 rising ends
77 support 91 trunks
The total branching pipe of the left neck of branching pipe 912 under 911 left clavicles
913 arm head branching pipes 914 descend and hold
915 rising ends
Branching pipe under 92 trunk 921 left clavicles
The 922 total branching pipe 923 arm head branching pipes of left neck
S left subclavian artery L left common carotid artery
B arteria brachiocephalica DA descending aorta.
The specific embodiment
As shown in Figure 1, the first embodiment of stent graft system of the present invention, it has a trunk 10 and a connecting device 20.
Please with further reference to shown in Figure 2, aforementioned trunk 10 presents tubulose and has dilatancy, and has reinforcement support 17, decline end 15 and rising end 16.
This trunk 10 can be self-inflated or balloon expanding and is expansible, that is has dilatancy, can support the aorta inner face from swollen character or balloon the planning function by it, to peel off as aorta or non-suture methods of anastomosis during Operation of Aortic Aneurysm.17, described support can be for by rack and spring material or its combination is made buries or be arranged at trunk 10 underground.Can select many different materials, such as niti-shaped memorial alloy (Nitinol), rustless steel or cochrome etc. for making described support 17.And aforesaid trunk 10 can by not thoroughly the artificial material of blood make, politef (PTFE) or Dyclone (Dacron) etc. material for example.
The position that described decline end 15 is used for inserting aortic arch or descending aorta; Described rising end 16 is used for being connected to the position of ascending aorta.In the present embodiment, these trunk 10 trunks include control valve 14.Described control valve 14 extends from described trunk 10 and is communicated in described trunk 10, to process for described trunk 10 and described connecting device 20.This control valve 14 also can when implementing extracorporeal circulation, enter the pipeline of sufferer as arterial end blood.
Referring again to shown in Figure 3, can come firm trunk 10 in the syndeton of its descend end 15 and descending aorta DA with retaining element.For example adopt length-adjustable band 31 as described retaining element, described band 31 two ends form built-in structure 311 by modes such as stitchings and mutually combine to bring into play firm effect.And for example shown in Figure 4, also can adopt another kind of length-adjustable band 32 as described retaining element, described band 32 two ends are in conjunction with to bring into play firm effect by clip 321.Again as shown in Figure 5, be the another length-adjustable tie strip designs with overhead kick type of planting.
Refer again to shown in Figure 1ly, aforementioned connecting device 20 is arranged at aforementioned trunk 10.This connecting device 20 presents branched.In the present embodiment, described connecting device 20 has and is formed at first of described trunk 10 and seat 21 is set, is branched second seat 22 and three bodys 23,24,25 are set.Each body 23,24,25 has from swollen character or balloon the planning function.Described first arranges seat 21 and second arranges seat and 22 all is solid-state so that described body 23,24,25 to be set., can closelyr firmly be arranged on described first and seat 21 and second is set seat 22 is set when becoming the expansion form from swollen character or balloon the planning function when this body 23,24,25.
Aforementioned first that seat is set is 21 linearly, it has outer end 212 for the body 23 that arranges in order to linking arm cephalic artery B, said external end 212 may extend in described trunk 10 and has inside end 211, and outer end 212 also can there is no the kenel of extending inside end as shown in Figure 8.Above-mentioned inside end 211 can be pointed to the rising end 16 of described trunk 10, to such an extent as to the structure so as to strengthening between described trunk 10 outer end 212 connecting, and can more properly bear the pressure that the powerful blood flow by described rising end 16 brings.
Aforementioned second arranges seat 22 as aforementionedly is branched and has two outer end 221,222, and it is unified bears from the blood of trunk 10 and branch to this two outer end 221,222.
In aforementioned three bodys 23,24,25 that the present embodiment adopts, body 23 adapts to first and seat 21 outer end 212 is set also can further gos deep into inside end 211, and another two bodys 24,25 adapt to respectively this second outer end 221 and 222 that seat 22 is set.
Because aforementioned connecting device 20 has said structure, it is able to left subclavian artery S, left common carotid artery L and arteria brachiocephalica B are connected to described trunk 10, make at least a portion first conflux after trunk 10 from the blood of trunk 10, then branch to left subclavian artery S, left common carotid artery L and arteria brachiocephalica B.In the present embodiment, blood from ascending aorta after rising end 16 enters trunk 10, hold 15 to be passed to descending aorta except flowing through trunk 10 by decline, the blood of a part sequentially arranges the outer end 212 of seat 21 through the first inside end 211 and first that seat 21 is set, flow to arteria brachiocephalica B through body 23 again, the blood of another part first arranges seat 22 through second and confluxes after trunk 10, then flow to left common carotid artery L and left subclavian artery S through body 24,25 respectively by its outer end 221,222 respectively.
And the body of multiple different structure can be in order to coordinate the trunk of other possible embodiments, as extremely shown in Figure 7 in Fig. 6, it is the body 23,25 of different structure, and in Fig. 1 body 24 of visible another kind of kenel, and in Fig. 8 to Figure 10, the trunk 40 of visible different kenels, 50 and 60 above-mentionedly all can consist of the stent graft system of similar first embodiment of the invention to bring into play its function.
In addition, also can adopt the trunk 70 of different shape as shown in figure 11 and connecting device 20 '.The connecting device 20 of these embodiment ' be the design of single ramiform, form first arrange seat 21 ', second arrange seat 22 ' and the 3rd arrange seat 23 ', coordinate with body 23,24 and 25, with engaging arm cephalic artery B, left common carotid artery L and left subclavian artery S.
Please refer to shown in Figure 1ly, light-emitting diode body 23,24,25 has dilatancy again.Preferably, described body 23, the 24, the 25th, self-inflated or balloon expanding and not made with saturating blood clinical material, preferably polyester material or polytetrafluoroethylmaterial material, and it has inner face and surface and is provided with expansible support on described body 23,24,25 inner faces or surface.Described support can be made by rack and spring material or its combination.Can select many clinical acceptable different materials, for example niti-shaped memorial alloy, rustless steel or cochrome for making described support.Described body 23,24,25 in order to connect first of above-mentioned connecting device 20 arrange seat 21 or second arrange seat 22 or connecting device 20 ' arrange seat 21 ', 22 ', 23 ', and arteria brachiocephalica B, left common carotid artery L and left subclavian artery S.
If with shown in Figure 1, connect take body 23 and seat 21 and arteria brachiocephalica B are set as example, body 23 is compressive state before device, one end can be inserted arteria brachiocephalica B, the other end is inserted first and seat is set it is untied after 21 again, can be close to said structure, the purpose of coincideing to reach Sutureless after body is opened, and the body 23 of expansion firmly is arranged on arteria brachiocephalica B and first seat 21 inner face is set, with the blood circulation that will come from described trunk 10 to arteria brachiocephalica B.And body 25,24 except use with the same device mode of body 23, also can penetrate to be connected left subclavian artery, left common carotid artery and seat respectively is set by control valve 14 places, and when untiing body, can reach equally the purpose that Sutureless coincide.
For another Fig. 1 and shown in Figure 11, the body 24 of other possible embodiments and body 25 are structurally or all basic identical in light-emitting diode body 23 on function.Body 24 and body 25 have surface and a plurality of overhead kicks 241,251.Described a plurality of overhead kick 241 is located on an end of this body 24 on body 24 surfaces, described a plurality of overhead kicks 251 are located on two ends of this body 25 on body 25 surfaces.When by when being located at the inner face of the tremulous pulsies such as left subclavian artery, left common carotid artery or arteria brachiocephalica, described a plurality of overhead kicks 241,251 can be strengthened body 24,25 structures that are connected with tremulous pulse; These a plurality of overhead kicks 241,251 make the outer end 221 of body 24,25 through seat 22 is set, 222 by by being located at when seat 21,22 inner face are set, in order to strengthen body 24,25 with the structures that seat 21,22 connections are set.
On the other hand, except the trunk 10 that aforementioned the first embodiment adopts as shown in Figures 1 and 2, be provided with equally first on the trunk 40 that adopts and seat 21 and branched second be set seat 22 is set in the second embodiment shown in Figure 8.This trunk 40 is also basic identical in the first embodiment, have control valve 44, decline end 45, rising end 46 and support 47, it differs from the first embodiment and is in trunk 40 and buries underground or arrange than limited bracket 47, and this support 47 is to be disposed at the decline end 45 of this trunk 40 to the second part that arranges between seat 22.
Please coordinate with reference to Fig. 9, as illustrated in the 3rd embodiment, the present invention also can adopt trunk 50.It is basic identical in the second embodiment, has control valve 54, decline end 55, rising end 56 and support 57, and further includes friction sleeve 58.This trunk 50 is to utilize friction sleeve 58 to connect the position of decline end 55 and aortic arch, and strengthens fixing decline and hold 55 positions that are connected with aortic arch.This friction sleeve 58 also can coordinate Fig. 3, Fig. 4 and aforementioned length- adjustable band 31,32 shown in Figure 5 to use.
As shown in figure 10, the trunk 60 that fourth embodiment of the invention adopts is basic identical in the first embodiment, have control valve 64, decline end 65, rising end 66 and support 67, it differs from the first embodiment and is in further to arrange between seat 22 in the end 65 to second that descends in this trunk 60 and is provided with a plurality of retainer rings 68, so as to connecting the position of descend end 65 and aortic arch.
As shown in figure 11 fifth embodiment of the invention have a trunk 70 and a connecting device 20 '.Aforementioned trunk 70 presents tubulose and has dilatancy, and has control valve 74, decline end 75, rising end 76 and support 77.
As extremely shown in Figure 11 in Fig. 1, the body 23,24 of described each possible embodiments, 25 can by connecting device 20,20 ' the seat that arranges be arranged on the trunk 10,40,50,60,70 of stent graft system of the present invention, thereby must be within the rational short time select suitable body 23,24,25 according to its arterial footpath for sufferer, and by this connecting device 20,20 ' apparatus derivatorius make body 23,24,25 assembling more easy and certain.Therefore stent graft system of the present invention can save time to select rapidly suitable body and trunk for surgical doctor, and gets the raw materials ready for the stock of medical institutions and also belong to cost-effective solution management.
Claims (10)
1. stent graft system, it has:
One trunk, it presents tubulose and has dilatancy, and has reinforcement support, decline end and rising end; Described decline end is used for connecting the position that aortic arch extends to descending aorta; Described rising end is used for being connected to the position of ascending aorta;
One connecting device, it is arranged on aforementioned trunk and presents branched, and by a plurality of bodys, left subclavian artery, left common carotid artery and arteria brachiocephalica are connected to described trunk, make at least a portion first conflux after trunk from the blood of trunk, then branch to left subclavian artery, left common carotid artery and arteria brachiocephalica.
2. stent graft system according to claim 1, wherein, connecting device has and is formed at first of trunk and seat is set and is branched second seat is set, and second arranges seat has two outer end.
3. stent graft system according to claim 1, wherein, connecting device is single ramiform, has to be formed at first of trunk and seat, second is set seat and the 3rd is set seat is set.
4. stent graft system according to claim 1, described trunk includes surface and friction sleeve, and described friction sleeve is set on the decline end surface nearby of described trunk.
5. stent graft system according to claim 1, described trunk is self-inflated or balloon expanding.
6. stent graft system according to claim 1, described support is to bury or be arranged at trunk underground.
7. stent graft system according to claim 1, described body are so that the blood material is not made thoroughly, have inner face and surface and are provided with expansible support at this body inner face or surface.
8. the described stent graft system of any one according to claim 1 to 7, described body has the surface and establishes a plurality of overhead kicks at this surface one end ring.
9. the described stent graft system of any one according to claim 1 to 7, described body has the surface and establishes a plurality of overhead kicks at these surface two end ring.
10. stent graft system according to claim 1, the decline end of described trunk be with after aorta is connected, sheathed length-adjustable band outside aorta.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103841560A CN103126785A (en) | 2011-11-28 | 2011-11-28 | Modular scaffold vascular system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103841560A CN103126785A (en) | 2011-11-28 | 2011-11-28 | Modular scaffold vascular system |
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| CN103126785A true CN103126785A (en) | 2013-06-05 |
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| CN2011103841560A Pending CN103126785A (en) | 2011-11-28 | 2011-11-28 | Modular scaffold vascular system |
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| CN (1) | CN103126785A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108201476A (en) * | 2018-01-19 | 2018-06-26 | 西安交通大学医学院第附属医院 | A kind of anti-attachment that backflows for being loaded into biliary tract rack |
| CN110393605A (en) * | 2018-04-23 | 2019-11-01 | 黄健兵 | A kind of aortic arch band branch's overlay film frame blood vessel combination unit |
| CN111658230A (en) * | 2020-07-09 | 2020-09-15 | 北京裕恒佳科技有限公司 | Artificial blood vessel |
| CN112022431A (en) * | 2020-09-07 | 2020-12-04 | 浙江大学 | Integrated stent artificial blood vessel with assembled suture-free branches and application thereof |
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| US6258120B1 (en) * | 1997-12-23 | 2001-07-10 | Embol-X, Inc. | Implantable cerebral protection device and methods of use |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108201476A (en) * | 2018-01-19 | 2018-06-26 | 西安交通大学医学院第附属医院 | A kind of anti-attachment that backflows for being loaded into biliary tract rack |
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| CN110393605B (en) * | 2018-04-23 | 2022-11-04 | 黄健兵 | Aortic arch area branch tectorial membrane support blood vessel composite set |
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| CN112022431A (en) * | 2020-09-07 | 2020-12-04 | 浙江大学 | Integrated stent artificial blood vessel with assembled suture-free branches and application thereof |
| CN112022431B (en) * | 2020-09-07 | 2021-09-07 | 浙江大学 | Integrated stent artificial blood vessel with assembled suture-free branches and application thereof |
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Application publication date: 20130605 |