CN202960835U - Covered stent for restorative treatment in integrated single-branch vascular chamber of aortic arch - Google Patents
Covered stent for restorative treatment in integrated single-branch vascular chamber of aortic arch Download PDFInfo
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- CN202960835U CN202960835U CN 201220651758 CN201220651758U CN202960835U CN 202960835 U CN202960835 U CN 202960835U CN 201220651758 CN201220651758 CN 201220651758 CN 201220651758 U CN201220651758 U CN 201220651758U CN 202960835 U CN202960835 U CN 202960835U
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- aortic arch
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Abstract
The utility model relates to a covered stent for restorative treatment in an integrated single-branch vascular chamber of an aortic arch. The covered stent consists of a naked multi-wave shape columnar single ring 1, a multi-wave shape columnar single ring 2 externally coated with a tubular membrane and a plurality of multi-wave shape columnar single rings 3, wherein the multi-wave shape columnar single ring 1 and the multi-wave shape columnar single ring 2 are sewn together by a silk yarn. The middle of the covered stent is provided with a wedge groove, and the wedge groove is internally provided with a straight branch support. According to the covered stent, a blood flow channel of the truncus brachiocephalicus on the aortic arch is reserved by the straight branch support in the wedge groove, and a release position of the straight branch support is designed within the vascular chamber of the aortic arch. The covered stent is suitable for all the patients who need bridging 'left-right arteria carotis communis' or 'left-right arteria carotis communis-left arteria subclavia' and need the restorative treatment in the aortic arch chamber, the thoracoscopic branch-removing operation can be simplified into a neck bypass operation, and the trauma can be reduced. The aortic pathological changes involved with the aortic arch and the aorta ascendens can be isolated, and the blood flow of an important branch artery can be rebuilt, so that the covered stent is simple in release procedure, short in operation time, and high in achievement ratio of operation.
Description
Technical field
This utility model relates to a kind of overlay film frame for the single branch vessel intracavity of aortic arch one repairing and treating.
Background technology
Adopt at present support in blood-vessel to carry out intracavity repairing and treating treatment aneurysm of thoracic aorta good effect, and obtained develop rapidly.But the aortic arch aneurysm that involves brachiocephalic trunk, left common carotid artery and left subclavian artery opening is the difficult point of this treatment technology always.Traditional method is used windowing stent, but it is not suitable for the aneurysm of brachiocephalic trunk, the total tremulous pulse of left strength, left subclavian artery root.The left subclavian artery on the aortic arch that used the direct shutoff of straight tube support has also been arranged, but the blood flow that can not keep well left subclavian artery passes through, the scope of application is comparatively limited to.
Have and use aortic arch three branch stents, but its branch is outside aortic blood tube chamber on aortic arch, support can only standard be released in aortic arch brachiocephalic trunk, the total tremulous pulse of left strength, left subclavian artery with cutting.And each patient's blood vessel traveling is not quite similar.Walk row variation (clinically, this variation incidence rate is higher) in case blood vessel occurs, support and blood vessel just are not complementary, and just can not complete this treatment.In addition, require branch stent to be released in exactly respectively brachiocephalic trunk, the total tremulous pulse of left strength, left subclavian artery when support discharges, the release failure of which branch stent all can cause whole operative failure.When solving these difficult problems, be abroad blood vessel situation customization aortic arch three branch stents of taking according to patient.This makes support not can manufacture.
For this reason, the applicant has applied for that " overlay film frame that is used for aortic arch one three branch vessel intracavity repairing and treatings " (CN2010101712019.CN201220247582x), is comprised of metal rack and tubular film; Metal rack is made of the individual pen of waveform column more than, many waveforms column individual pen two and a plurality of many waveforms column individual pen three; Many waveforms column individual pen one is a nude support, many waveforms column individual pen two, many waveforms column individual pen three external coated layer shape films; Be provided with a wedge-shaped slot on overlay film frame between waveform column individual pen three more than first to the 5th, a straight branch stent, oblique branch stent one, oblique branch stent two are arranged in wedge-shaped slot, it has designed 3 branches, has reserved the channel of blood flow of brachiocephalic trunk, the total tremulous pulse of left strength, left subclavian artery on the aortic arch.But in actual clinical, some patient might not need 3 branch vessels all logical again.And can discharge less a branch vessel support, all can reduce patients ' expenses.
Summary of the invention
The purpose of this utility model is for above-mentioned present situation, aim to provide the isolated aortic disease that involves aortic arch and ascending aorta of a kind of energy, can rebuild the important branch tremulous pulse blood flow, avoid customizing support, applied widely, the support release procedure is simple, success rate of operation is high, postoperative complication is few, can produce and can be used for the overlay film frame that is used for the single branch vessel intracavity of aortic arch one repairing and treating of emergency operation in batches.
The implementation of this utility model purpose is that the overlay film frame for the single branch vessel intracavity of aortic arch one repairing and treating is comprised of metal rack and tubular film; Metal rack is made of the individual pen of waveform column more than waveform column individual pen 2 more than, and a plurality of many waveforms column individual pen three; Many waveforms column individual pen one is a nude support, many waveforms column individual pen two, many waveforms column individual pen three external coated layer shape films; Many waveforms column individual pen one and many waveforms column individual pen dual-purpose silk suture are provided with a wedge-shaped slot together at the middle part, a straight branch stent is arranged in wedge-shaped slot; Except the column individual pen one of many waveforms, all the other metal racks connect by tubular film, become a complete overlay film frame.
This utility model is provided with a wedge-shaped slot at the pars intermedia of overlay film frame, straight branch stent is arranged in groove, utilize the straight branch stent in wedge-shaped slot to reserve the channel of blood flow of brachiocephalic trunk on the aortic arch, and the off-position of straight branch stent is designed at the aortic arch Endovascular.Exactly because the off-position of straight branch stent is designed at the aortic arch Endovascular by wedge-shaped slot, making this utility model locate only need to be with branch's side towards transfer tremulous pulse opening, and do not need to be accurate to brachiocephalic trunk opening on corresponding aortic arch, therefore effectively reduced the operation technique difficulty, shortened operating time.Existence due to wedge-shaped slot, branch's straight tube or trumpet type support can suitably be adjusted angle in wedge-shaped slot, appropriateness is crooked, the logical impact that is not subjected to anatomy difference again of brachiocephalic trunk on aortic arch directly discharges straight tube by secondary or the trumpet type support just can be connected on the branch stent of aortic arch Endovascular.The time of having avoided the customization support to expend, and can produce in batches, can be applicable to emergency operation.
Adopt this utility model to keep the arterial vascular blood flow of aortic arch important branch, be applicable to all and can carry out the patient that " L-R common carotid artery " or " L-R common carotid artery-left subclavian artery " put up a bridge and needed row aorta bow section intracavity repairing and treating, and can be reduced to the operation of cervical region turn of tidal stream with opening the operation of breast debranching enzyme, reduced wound.This utility model can completely cut off the aortic disease, the blood flow that can rebuild the important branch tremulous pulse that involve aortic arch and ascending aorta, avoids customizing support, can produce in batches, and can be used for emergency operation, applied widely, release procedure is simple, success rate of operation is high, postoperative complication is few.
Description of drawings
The specific embodiment
With reference to accompanying drawing, this utility model is comprised of metal rack and tubular film.Metal rack is made of the individual pen of waveform column more than 1, waveform column individual pen 22 more than and a plurality of many waveforms column individual pen 35.Many waveforms column individual pen 1 is the nude support.Many waveforms column individual pen 22, a plurality of many waveforms column individual pen 35 external coated layer shape films.Pars intermedia at overlay film frame is provided with a wedge-shaped slot 4, and in wedge-shaped slot, 4 have a straight branch stent 3.Except the column individual pen 1 of many waveforms, all the other metal racks connect by tubular film.Many waveforms column individual pen 1 and many waveforms column individual pen 22 use silk sutures become a complete overlay film frame together.
The individual pen wave number of described many waveforms column individual pen 35 is more than many waveforms column individual pen 22, and waveform is less than column individual pen two.Because waveform is little, between ripple, the interval is few, can adapt to the blood vessel of irregular cross sectional shape, and effectively increases the adherent effect of large artery trunks overlay film frame near-end, therefore can reduce significantly the probability of near-end internal hemorrhage due to trauma.Make support discharge that postoperative complication is few, survival rate postoperative patient is high.
Described many waveforms column individual pen adopts the medical stainless steel alloy ring with good biocompatibility, chemical stability and mechanical and physical performance.Described tubular film is poly tetrafluoroethylene, polyester fiber film, polyamide membrane or polypropylene screen, to satisfy the requirement of implant into body.
The tubular film of described overlay film frame for aortic arch one two branch vessel intracavity repairing and treatings is poly tetrafluoroethylene, polyester fiber film, polyamide membrane or polypropylene screen.
For being applicable to vessel size difference, the different patient in position, according to Chinese adult ascending aorta diameter situation, the present invention can be designed to different models.The main body rack diameter 34 ± 5mm that is consisted of by many waveforms column individual pen 22 and a plurality of many waveforms column individual pen 35, long 220 ± 55mm or the main body rack epimere diameter 34 ± 5mm that is consisted of by many waveforms column individual pen 22 and a plurality of many waveforms column individual pen 35, hypomere diameter 25 ± 5 mm, reduce gradually from top to bottom, long 220 ± 55mm makes it to be more suitable for the aortic arch anatomic form.
Wedge-shaped slot 4 groove depth 10 ± 2mm, flute length 50 ± 20mm.Diameter 10 ± the 2mm of straight branch stent 3, long 15 ± 2 mm.
This utility model is provided with a wedge-shaped slot 4 at the pars intermedia of overlay film frame, and the wedge-shaped slot 4 relative main body rack diameters of the degree of depth are more shallow, does not still consist of the symptom of coarctation of aorta, does not affect the supply of blood flow of descending aorta far-end.A straight branch stent 3 is arranged in wedge-shaped slot 4, and it has kept, and on the aortic arch, the brachiocephalic trunk secondary discharges the path of straight tube or horn bracket, and the off-position of single branch stent is designed at the aortic arch Endovascular.Exactly because the off-position of single branch stent is designed at the aortic arch Endovascular by wedge-shaped slot 4, making support locate only need to be with wedge-shaped slot 4 sides towards transfer tremulous pulse opening, and do not need to be accurate to the opening of brachiocephalic trunk on corresponding aortic arch, therefore effectively reduced the operation technique difficulty, shortened operating time.Existence due to wedge-shaped slot, branch's straight tube or trumpet type support can suitably be adjusted angle in wedge-shaped slot, appropriateness is crooked, the logical impact that is not subjected to anatomy difference again of brachiocephalic trunk on aortic arch directly discharges straight tube by secondary or the trumpet type support just can be connected on the branch stent of aortic arch Endovascular.The time of having avoided the customization support to expend, and support can produce in batches, can be applicable to emergency operation.
This utility model can provide the isolated aortic disease that involves aortic arch and ascending aorta of a kind of energy, can rebuild the blood flow of important branch tremulous pulse, the branched membrane-covered support of avoiding customizing support, can producing and can be used for emergency operation in batches, be applicable to all and can carry out the patient that the L-R common carotid artery is put up a bridge and needed row aorta bow section intracavity repairing and treating, applied widely, the support release procedure is simple, success rate of operation is high, postoperative complication is few.
When implementing operation, the straight branch stent 3 in wedge-shaped slot 4 is used for rebuilding brachiocephalic trunk on aortic arch.Nude support 1 is positioned ascending aorta, and wedge-shaped slot 4 sides are towards transfer tremulous pulse opening, are connected with respective branches of the present utility model and get final product by send into straight tube or trumpet type support in brachiocephalic trunk.Only needed before EVAR to make a little otch at patient's cervical region and carry out " L-R common carotid artery " or " L-R common carotid artery-left subclavian artery " bridging turn of tidal stream (being that traditional " hybridization " is performed the operation) and get final product and the blood flow of left common carotid artery and left subclavian artery is logical again.To open the operation of breast debranching enzyme and be reduced to the operation of cervical region turn of tidal stream, reduce wound.
Claims (7)
1. be used for the overlay film frame of the single branch vessel intracavity of aortic arch one repairing and treating, formed by metal rack and tubular film; Metal rack is made of the individual pen of waveform column more than waveform column individual pen 2 more than, and a plurality of many waveforms column individual pen three; Many waveforms column individual pen one is a nude support, many waveforms column individual pen two, many waveforms column individual pen three external coated layer shape films; Many waveforms column individual pen one and many waveforms column individual pen dual-purpose silk suture together,
It is characterized in that being provided with a wedge-shaped slot at the middle part, a straight branch stent is arranged in wedge-shaped slot; Except the column individual pen one of many waveforms, all the other metal racks connect by tubular film, become a complete overlay film frame.
2. the overlay film frame for the single branch vessel intracavity of aortic arch one repairing and treating according to claim 1, it is characterized in that the individual pen wave number of many waveforms column individual pen three (5) more than many waveforms column individual pen two (2), waveform is less than many waveforms column individual pen two (2).
3. the overlay film frame for the single branch vessel intracavity of aortic arch one repairing and treating according to claim 1, it is characterized in that the main body rack diameter 34 ± 5mm by many waveforms column individual pen two (2) and a plurality of many waveforms column individual pen three (5) formations, long 220 ± 55mm.
4. the overlay film frame for the single branch vessel intracavity of aortic arch one repairing and treating according to claim 1, is characterized in that wedge-shaped slot (4) groove depth 10 ± 2mm, flute length 50 ± 20mm; Diameter 10 ± the 2mm of straight branch stent (3), long 15 ± 2 mm.
5. the overlay film frame for the single branch vessel intracavity of aortic arch one repairing and treating according to claim 1, is characterized in that described many waveforms column individual pen adopts the medical stainless steel alloy ring with good biocompatibility, chemical stability and mechanical and physical performance.
6. the overlay film frame for the single branch vessel intracavity of aortic arch one repairing and treating according to claim 1, it is characterized in that the main body rack epimere diameter 34 ± 5mm by many waveforms column individual pen two (2) and a plurality of many waveforms column individual pen three (5) formations, hypomere diameter 25 ± 5 mm, long 220 ± 55mm reduces from top to bottom gradually.
7. the overlay film frame for the single branch vessel intracavity of aortic arch one repairing and treating according to claim 1, is characterized in that tubular film is poly tetrafluoroethylene, polyester fiber film, polyamide membrane or polypropylene screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220651758 CN202960835U (en) | 2012-11-30 | 2012-11-30 | Covered stent for restorative treatment in integrated single-branch vascular chamber of aortic arch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220651758 CN202960835U (en) | 2012-11-30 | 2012-11-30 | Covered stent for restorative treatment in integrated single-branch vascular chamber of aortic arch |
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| Publication Number | Publication Date |
|---|---|
| CN202960835U true CN202960835U (en) | 2013-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220651758 Expired - Fee Related CN202960835U (en) | 2012-11-30 | 2012-11-30 | Covered stent for restorative treatment in integrated single-branch vascular chamber of aortic arch |
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| CN (1) | CN202960835U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107625562A (en) * | 2016-07-13 | 2018-01-26 | 先健科技(深圳)有限公司 | Branched membrane-covered support |
| CN108245279A (en) * | 2016-12-29 | 2018-07-06 | 先健科技(深圳)有限公司 | Overlay film frame |
| CN109009563A (en) * | 2018-08-27 | 2018-12-18 | 陈宏伟 | A kind of improved arch of aorta overlay film frame type blood vessel |
| TWI749265B (en) * | 2017-10-11 | 2021-12-11 | 美商艾奎登生醫股份有限公司 | Systems for treatment of aortic dissection and aneurysm and method for use thereof |
| WO2023125046A1 (en) * | 2021-12-30 | 2023-07-06 | 杭州唯强医疗科技有限公司 | Bare stent and implantable stent |
-
2012
- 2012-11-30 CN CN 201220651758 patent/CN202960835U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107625562A (en) * | 2016-07-13 | 2018-01-26 | 先健科技(深圳)有限公司 | Branched membrane-covered support |
| CN107625562B (en) * | 2016-07-13 | 2020-02-04 | 先健科技(深圳)有限公司 | Branch type covered stent |
| CN108245279A (en) * | 2016-12-29 | 2018-07-06 | 先健科技(深圳)有限公司 | Overlay film frame |
| CN108245279B (en) * | 2016-12-29 | 2023-11-21 | 先健科技(深圳)有限公司 | Tectorial membrane support |
| TWI749265B (en) * | 2017-10-11 | 2021-12-11 | 美商艾奎登生醫股份有限公司 | Systems for treatment of aortic dissection and aneurysm and method for use thereof |
| CN109009563A (en) * | 2018-08-27 | 2018-12-18 | 陈宏伟 | A kind of improved arch of aorta overlay film frame type blood vessel |
| CN109009563B (en) * | 2018-08-27 | 2024-01-23 | 复旦大学附属中山医院 | Improved aortic arch tectorial membrane stent type blood vessel |
| WO2023125046A1 (en) * | 2021-12-30 | 2023-07-06 | 杭州唯强医疗科技有限公司 | Bare stent and implantable stent |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20131130 |