CN201664353U - Aortic split type bracket and double guide wire conveyor thereof - Google Patents
Aortic split type bracket and double guide wire conveyor thereof Download PDFInfo
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- CN201664353U CN201664353U CN2009202141117U CN200920214111U CN201664353U CN 201664353 U CN201664353 U CN 201664353U CN 2009202141117 U CN2009202141117 U CN 2009202141117U CN 200920214111 U CN200920214111 U CN 200920214111U CN 201664353 U CN201664353 U CN 201664353U
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- branch vessel
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- aorta
- aortic
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Abstract
The utility model relates to the technical field of medical equipment, in particular to an aortic split type bracket and a double guide wire conveyor thereof. The aortic split type bracket consists of an aortic window bracket (1) and a branch vessel bracket (2) matched with the window bracket, wherein the diameter of the bulging part of a tail end (2.1) of the branch vessel bracket is matched with the window (1.1) of the aortic window bracket so as to be fixed at the window. The double guide wire conveyor (3) consists of a conveying rod (3.1), an outer sheath (3.2), a filling valve (3.3) and a bumper (3.4) and is characterized in that a side wall guide wire channel is arranged in the pipe wall of the conveying rod for inserting a conveyor guide wire of the branch vessel bracket (2). The aortic split type bracket fixes the aortic window bracket and ensures blood supply for the branch vessel; and the double guide wire conveyor effectively solves the problem of embedding the aortic split type bracket so as to make the isolation of arterial interlayers or aneurysma in the branch vessel at different angles with the aorta easier.
Description
Technical field
This utility model relates to technical field of medical instruments, is prosthetic device in a kind of lumen of vessels-aorta separating stent-graft and two seal wire carrier thereof.
Background technology
Human Thoracic Aortic Dissection or aneurysm of thoracic aorta are common arotic diseases, serious threat patient's life.Along with China's growth in the living standard, the arrival of aging society, its sickness rate raises year by year.
Parodi was used for treatments such as dissection of aorta or aortic aneurysm with Wicresoft's intracavity recovery technique first in 1991.In recent years, aorta fenestration support has been used for the treatment of aortic aneurysm, this support is made up of Ultimum Ti silk support and the tubular fiber fabric that is lining in the support, Ultimum Ti silk support is surrounded into some bracket loops after folding and is arranged in tubulose and forms by the continuous Z type of ultra-fine Ultimum Ti silk, head end first lap support is exposed, be beneficial to increase anchorage zone length, the blood that can not stop aortic arch important branch blood vessel again supplies, support is provided with the metal marker thing, so that under the X line, it accurately is transported to diseased region with carrier, for preventing that the aortic branch blood vessel is blocked blood flow, the sidewall that is positioned at the support front end is provided with window, the window periphery is established the metal marker of some special shapes, will accurately be positioned the mouth of pipe of branch vessel.During use, support is transported to diseased region with carrier routinely.
Used clinically bracket conveyer is disposable carrier at present, by conveying lever, the bumper bar that is enclosed within the outer epitheca of conveying lever, is located at the filling valve of epitheca tail end and passes the conveying lever inner chamber forms, conveying lever is a hollow tubular, and intermediary tube chamber is the bumper bar passage; Aorta fenestration support is placed in the conveying lever head, is compressed in the inner chamber of epitheca, and this inner chamber links to each other with filling valve and communicates, and by filling valve injection normal saline the intracavity air is got rid of before being used to inserting support; Bumper bar hollow, intermediary tube chamber is central silk guide passage, be used to insert the seal wire of bracket conveyer, bumper bar divides head, body and afterbody three parts, and head is cone shape, nose-circle is blunt, it is positioned at the front end of conveying lever, and the head trailing edge is provided with fixedly handgrip of support, is used for fixing the exposed first lap of aorta fenestration support head end that is placed in the conveying lever head, body is positioned at the conveying lever tube chamber, and afterbody stretches out the tail end of conveying lever tube chamber.
During use, routinely seal wire is sent into the human aortic root by thigh/iliac artery, then with the central silk guide passage insertion seal wire of the bracket conveyer after the water-filling aerofluxus by the bumper bar tail end, under the seal wire guiding, aorta fenestration support is sent into the human lesion vascular site, the rotation conveying lever is with the support window subtend branch vessel mouth of pipe, fixing conveying lever, retreat epitheca and discharge aorta fenestration support, before pushing away the handgrip that bumper bar makes its head again unclamps to discharge the support first lap, support resiles at once, strut fabric and be fixed in the diseased region blood vessel, withdraw from carrier and seal wire at last routinely, thereby reach the purpose of the isolated blood flow in aortic arch pathological changes position.
Yet, artery dissection or the aneurysm that is positioned at aortic arch and involves branch vessel do not had good solution so far, and above-mentioned aorta fenestration support is when inserting or after inserting, window has the possibility that departs from the branch vessel mouth of pipe, causes the treatment failure.
Summary of the invention
The purpose of this utility model provides and a kind ofly can effectively completely cut off artery dissection or aneurysmal aorta separating stent-graft and the two seal wire carrier thereof that is positioned at aortic arch and involves branch vessel.
Aorta separating stent-graft of the present utility model is formed by aorta fenestration support with the branch vessel support of its coupling, the window periphery of said aorta fenestration support front end side wall is provided with the metal marker of some special shapes, it is characterized in that the tail end bulging of branch vessel support, the slightly larger in diameter of bulging part is in aorta fenestration support window, prevent slippage to be fixed in this window, the body caliber of branch vessel support is slightly less than aorta fenestration support window and mates with the branch vessel internal diameter, so that it is pass by window from fenestration support intracavity and to enter branch vessel, that the artery dissection in the branch vessel or aneurysm and blood flow is isolated.
Of the present utility model pair of seal wire carrier is the improvement of bracket conveyer commonly used clinically at present, by conveying lever, the bumper bar that is enclosed within the outer epitheca of conveying lever, is located at the filling valve of epitheca tail end and passes the conveying lever inner chamber forms, conveying lever is a hollow tubular, and intermediary tube chamber is the bumper bar passage; Aorta fenestration support is placed in the conveying lever head, is compressed in the inner chamber of epitheca, and this inner chamber links to each other with filling valve and communicates; Bumper bar hollow, intermediary tube chamber is central silk guide passage, bumper bar divides head, body and afterbody three parts, head is cone shape, nose-circle is blunt, and it places the front end of conveying lever, and the head trailing edge is provided with fixedly handgrip of support, body is positioned at the conveying lever tube chamber, and afterbody stretches out the tail end of conveying lever tube chamber; It is characterized in that being provided with in the tube wall of conveying lever a sidewall silk guide passage, the front opening of this silk guide passage is on the sidewall of head, and tail end is opened on the afterbody sidewall of conveying lever, is used to insert the seal wire of branch vessel bracket conveyer.For ease of the insertion of seal wire, the tail end opening part of sidewall silk guide passage can be connected a passage extension.
During use, earlier aorta fenestration support is delivered to the aortic disease position routinely with this carrier, fixing conveying lever, retreating epitheca makes aorta fenestration support be in half release conditions, make it over against branch vessel to adjust the window direction, then from the tail end of the sidewall silk guide passage of conveying lever or by being connected the seal wire that inserts the branch vessel bracket conveyer in this passage extension, the opening that this seal wire passes the silk guide passage front end turns in branch vessel by the support window, fixing conveying lever, continue the rollback epitheca, and before push away bumper bar aorta fenestration support discharged fully, metal rack opens by self elastic force, fabric is attached on the aorta inwall, then, under the prerequisite that keeps branch vessel bracket conveyer seal wire, withdraw from this aortic stents carrier and seal wire thereof, insert carrier with bracket conveyer commonly used clinically at present by the seal wire that keeps routinely again, the tail end bulging that the window that its head passes aorta fenestration support along seal wire moves forward to the branch vessel support partly is positioned at fenestration support window, discharge support more routinely, withdraw from bracket conveyer and seal wire thereof, after the branch vessel support restores to the original state, its tail end bulging partly is stuck in aorta fenestration support window, body is close to the branch vessel inwall, combine as a whole with aorta fenestration support, thus will be positioned at aortic arch and involve the artery dissection of branch vessel or aneurysm and blood flow isolated.
This utility model provides a kind of minimally-invasive treatment method for aortic arch pathological changes and the patient that involves branch vessel.Aorta separating stent-graft of the present utility model not only plays fixation to aorta fenestration support, increased whole stability, prevented the generation that postoperative internal hemorrhage due to trauma, support are shifted, guaranteed that branch vessel blood supplies, and, solved the artery dissection or the aneurysmal isolated problem of the branch vessel of being involved in isolated aortic arch artery dissection or aneurysmal while.The of the present utility model pair of seal wire carrier solved the difficult problem that the aorta separating stent-graft is implanted effectively, makes with aorta to be in the branch vessel of different angles artery dissection or aneurysmally isolatedly to become easy.
Description of drawings
Fig. 1 is an aorta fenestration supporting structure sketch map of the present utility model;
Fig. 2 is a branch vessel supporting structure sketch map of the present utility model;
Fig. 3 is that the aorta fenestration support of of the present utility model pair of seal wire carrier is in the structural representation under half release conditions.
The specific embodiment
Now in conjunction with the accompanying drawings and embodiments this utility model is described in detail.
Aorta separating stent-graft of the present utility model is formed by aorta fenestration support 1 with the branch vessel support 2 of its coupling, the sidewall that is positioned at aorta fenestration support 1 front end is provided with window 1.1, the window periphery is established the metal marker 1.2 of some special shapes, it is characterized in that tail end 2.1 bulgings of branch vessel support 2, the diameter of bulging part and aorta fenestration support window coupling, prevent slippage to be fixed in this window, body 2.2 calibers of branch vessel support 2 less than aorta fenestration support window and with branch vessel internal diameter coupling enter branch vessel so that pass by window from fenestration support intracavity.
The of the present utility model pair of seal wire carrier 3 by conveying lever 3.1, be enclosed within conveying lever outer epitheca 3.2, the filling valve 3.3 of being located at the epitheca tail end and bumper bar 3.4 and form, aorta fenestration support is placed in the conveying lever head, be compressed in the inner chamber of epitheca, this inner chamber links to each other with filling valve and communicates; It is characterized in that being provided with in the tube wall of conveying lever a sidewall silk guide passage, the front opening 3.1.1 of this silk guide passage is positioned on the sidewall of head, and tail end opening 3.1.2 is positioned at the afterbody sidewall of conveying lever, is used to insert the seal wire of branch vessel bracket conveyer.For ease of the insertion of seal wire, the tail end opening part of sidewall silk guide passage can be connected a passage extension 3.1.3.
1. 1 kinds of aorta separating stent-grafts of embodiment and two seal wire carrier thereof
Aorta fenestration support 1 long 14cm of the present utility model, external diameter 3.2cm, window 1.1 distance bracket front end fabric edge 0.5cm, diameter 0.8cm, window periphery are provided with 4 figure of eight platinum labellings 1.2; Branch vessel support 2 length overall 5.0cm, its tail end 2.1 is the bulging of carnival hat shape, the external diameter 0.85cm of bulging part, the long 3.5cm of body, external diameter 0.75cm.The sidewall silk guide passage diameter 0.1cm of of the present utility model pair of seal wire carrier 3, its front opening 3.1.1 is positioned on the sidewall of conveying lever top 1.5cm, and tail end opening 3.1.2 is positioned on the sidewall of conveying lever tail end 20cm.All the other and aorta fenestration support of the present utility model 1 mate.
Embodiment 2.
Sidewall silk guide passage tail end 3.1.2 of the present utility model is connected a passage extension 3.1.6, its long 15cm, external diameter 0.3cm.All the other are with embodiment 1.
This utility model can be made different specifications and models as required.
Claims (3)
1. aorta separating stent-graft, it is characterized in that forming by aorta fenestration support (1) with the branch vessel support (2) of its coupling, the sidewall that is positioned at aorta fenestration support (1) front end is provided with window (1.1), the window periphery is established number of metal labelling (1.2), tail end (2.1) bulging of branch vessel support (2), the diameter of bulging part and fenestration support window coupling, prevent slippage to be fixed in this window, body (2.2) caliber of branch vessel support (2) less than fenestration support window and with branch vessel internal diameter coupling enter branch vessel so that pass by window from fenestration support intracavity.
2. two seal wire carrier (3), this pair seal wire carrier (3) is two seal wire carriers of the described aorta separating stent-graft of claim 1, form by conveying lever (3.1), the filling valve (3.3) that is enclosed within conveying lever outer epitheca (3.2), bumper bar (3.4) and is located at the epitheca tail end, aorta fenestration support (1) is placed in the conveying lever head, be compressed in the inner chamber of epitheca, this inner chamber links to each other with filling valve and communicates; It is characterized in that in the tube wall of conveying lever, being provided with a sidewall silk guide passage, the front opening of this silk guide passage (3.1.1) is positioned on the sidewall of conveying lever head, tail end opening (3.1.2) is positioned at the afterbody sidewall of conveying lever, is used to insert the carrier seal wire of branch vessel support (2).
3. by described pair of seal wire carrier of claim 2 (3), it is characterized in that being connected a passage extension (3.1.3) at the tail end opening part of sidewall silk guide passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202141117U CN201664353U (en) | 2009-11-24 | 2009-11-24 | Aortic split type bracket and double guide wire conveyor thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202141117U CN201664353U (en) | 2009-11-24 | 2009-11-24 | Aortic split type bracket and double guide wire conveyor thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201664353U true CN201664353U (en) | 2010-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202141117U Expired - Fee Related CN201664353U (en) | 2009-11-24 | 2009-11-24 | Aortic split type bracket and double guide wire conveyor thereof |
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| CN (1) | CN201664353U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102670333A (en) * | 2012-06-08 | 2012-09-19 | 同济大学 | Aortic valve stent with coronary artery and conveyor of same |
| CN103948454A (en) * | 2014-04-30 | 2014-07-30 | 四川大学华西医院 | Branch controllable integral blood vessel stent and implantation device thereof |
| CN105662650A (en) * | 2016-03-21 | 2016-06-15 | 中国医科大学附属第一医院 | Integrated coated branched vascular stent and conveying system thereof |
| CN106175982A (en) * | 2016-06-29 | 2016-12-07 | 中国人民解放军广州军区武汉总医院 | The conveying release device of cardiac stent and cardiac stent |
| CN110621262A (en) * | 2017-04-27 | 2019-12-27 | 美敦力公司 | Transcatheter stented prosthesis tensioning and locking system and device |
| CN110638489A (en) * | 2018-06-26 | 2020-01-03 | 杭州唯强医疗科技有限公司 | Quick release implant pusher and implant delivery system |
-
2009
- 2009-11-24 CN CN2009202141117U patent/CN201664353U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102670333A (en) * | 2012-06-08 | 2012-09-19 | 同济大学 | Aortic valve stent with coronary artery and conveyor of same |
| CN103948454A (en) * | 2014-04-30 | 2014-07-30 | 四川大学华西医院 | Branch controllable integral blood vessel stent and implantation device thereof |
| CN103948454B (en) * | 2014-04-30 | 2016-02-10 | 四川大学华西医院 | Branch controllable integral blood vessel stent and implantation device thereof |
| CN105662650A (en) * | 2016-03-21 | 2016-06-15 | 中国医科大学附属第一医院 | Integrated coated branched vascular stent and conveying system thereof |
| CN106175982A (en) * | 2016-06-29 | 2016-12-07 | 中国人民解放军广州军区武汉总医院 | The conveying release device of cardiac stent and cardiac stent |
| CN110621262A (en) * | 2017-04-27 | 2019-12-27 | 美敦力公司 | Transcatheter stented prosthesis tensioning and locking system and device |
| CN110621262B (en) * | 2017-04-27 | 2022-11-29 | 美敦力公司 | Transcatheter stented prosthesis tensioning and locking system and device |
| US11571302B2 (en) | 2017-04-27 | 2023-02-07 | Medtronic, Inc. | Tension member routing elements in transcatheter stented prosthesis tensioning system |
| CN110638489A (en) * | 2018-06-26 | 2020-01-03 | 杭州唯强医疗科技有限公司 | Quick release implant pusher and implant delivery system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101208 Termination date: 20161124 |