CN102670338A - Pre-bent aortic membrane-covered stent and manufacturing method thereof - Google Patents
Pre-bent aortic membrane-covered stent and manufacturing method thereof Download PDFInfo
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- CN102670338A CN102670338A CN2012101915371A CN201210191537A CN102670338A CN 102670338 A CN102670338 A CN 102670338A CN 2012101915371 A CN2012101915371 A CN 2012101915371A CN 201210191537 A CN201210191537 A CN 201210191537A CN 102670338 A CN102670338 A CN 102670338A
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Abstract
The invention provides a pre-bent aortic membrane-covered stent and a manufacturing method thereof. The pre-bent aortic membrane-covered stent is characterized by consisting of a metal stent and a covering membrane, wherein the metal stent comprises a bent keel and a plurality of Z-shaped wavy stents. By the pre-bent aortic membrane-covered stent, elastic straightening force generated after the conventional stent is passively bent on bent parts such as an aortic arc part and stress formed by the elastic straightening force can be eliminated, and newly-generated cleavages of aorta caused by the stent can be reduced and prevented.
Description
Technical field
The present invention relates to a kind of pre-bending type aorta overlay film frame and preparation method thereof.
Background technology
Existing pre-bending type aorta overlay film frame can produce the stress that elasticity is returned straight power and formed thus after the passive bendings of crooked position such as aortic arch portion; Cause aorta New Development cut easily, and the latter is the dead the first factor of interlayer behind the dissection of aorta EVAR/operation dependency.
Summary of the invention
The purpose of this invention is to provide a kind of pre-bending type aorta overlay film frame and preparation method thereof; Prepared pre-bending type aorta overlay film frame can be eliminated the elasticity Hui Zhili that existing support is produced in the passive crooked back of crooked positions such as aortic arch portion; And the stress that forms thus, reduce and prevent the aorta New Development cut that support causes.
In order to achieve the above object, the invention provides a kind of pre-bending type aorta overlay film frame, it is characterized in that, be made up of metal rack and overlay film, described metal rack comprises the Os Draconis of a bending and the Z-shaped wavy support of the many circles that are connected with Os Draconis.Os Draconis of the present invention and Z-shaped wavy support are by forming with 1 or the braiding of many Nitinol silks, and each encloses Z-shaped wavy support and links together through Os Draconis.Os Draconis are bending, guarantee the shape of entire bracket pre-bending.
Preferably, described metal rack adopts Nitinol (Nitinol) to process, and described overlay film adopts PET to process.Nitinol (Nitinol) is a kind of super-elastic shape memory alloy material; Because the super-elastic shape memory characteristic of himself; After can guaranteeing that pre-bending type aorta overlay film frame can be compressed to than discharge in the little delivery sheath of self diameter; Can spring back to original diameter automatically, and keep the shape of original pre-bending; The overlay film of PET has good biocompatibility.
The present invention also provides the manufacture method of above-mentioned pre-bending type aorta overlay film frame, and concrete steps are:
The first step: make straight tube shape support, straight tube shape support is put into heat-treatment furnace carry out the high-temperature shaping first time;
Second step: the straight tube shape support of first step gained is fixed on the syphon shape mould, in heat-treatment furnace, carries out the high-temperature shaping second time, obtain the metal rack of syphon shape;
The 3rd step: the metal rack of syphon shape is placed on makes it become straight on the straight tubular pole, overlay film is sewn to the metal rack outside that becomes straight, sew up and take off metal rack from pole after accomplishing, obtain pre-bending type aorta overlay film frame.
The concrete grammar of the making straight tube shape support described in the first step is: prepare the bending mould, described bending mould comprises straight tube shape body, and described straight tube shape body connects many row's stainless steel bars, and adjacent two row's stainless steel bars are staggered; Nitinol alloy wire is bent to form Z-shaped wavy support by Z-shaped between adjacent two row's stainless steel bars of described bending mould; The head end and the lap of tail end that constitute the nitinol alloy wire of the Z-shaped wavy support of every circle link together through a steel bushing; The Z-shaped wavy support of two adjacent rings links together through nitinol alloy wire, and each nitinol alloy wire that encloses between the Z-shaped wavy support constitutes Os Draconis.
Described nitinol alloy wire can adopt commercially available nitinol alloy wire also can commercially available sponge nickel (Ni) and titanium (Ti) be adopted this area conventional method, be smelted into the Nitinol ingot after, process nitinol alloy wire again.The Ni content of described nitinol alloy wire is 50.8-58wt%; Ti content is 41.5-48.5wt%, and diameter is 0.2-0.6mm.The Os Draconis of described straight shape and enclose Z-shaped wavy support more and can form by the braiding of at least one nitinol alloy wire.
The diameter of described straight tube shape support is 34mm～44mm, the long 15cm～19cm of being.Its last lower edge of estimating the overlay film segment proximal can be installed metal marker, instructs the accurate location in the dispose procedure.
The thickness of described overlay film is 0.02-0.04mm.
The described concrete steps that overlay film is sewn to the metal rack outside of syphon shape are: the outside that straight tubular overlay film is enclosed within metal rack; It is long that one end of metal rack exposes overlay film 15mm～20mm; The two ends of overlay film are sewed up with corresponding Z-shaped wavy support, will be stitched together with eclipsed all the other Z-shaped wavy supports of overlay film and overlay film then.
Described first time, the temperature of high-temperature shaping was about 450-550 ℃, and the time is 5-15 minute.
Described second time, the temperature of high-temperature shaping was about 450-550 ℃, and the time is 5-15 minute.
Compared with prior art; Advantage of the present invention is: have good physical property; Owing to adopt the bending structure; Can eliminate the elasticity Hui Zhili that existing support is produced in the passive crooked back of crooked positions such as aortic arch portion, and the stress that forms thus, reduce and prevent the aorta New Development cut that support causes;
Description of drawings
Fig. 1 is a straight tube shape supporting structure sketch map;
Fig. 2 is a curved mould structure sketch map;
Fig. 3 is for to be fixed on sketch map on the curved mould with support;
Fig. 4 is the metal rack structural representation;
Fig. 5 is a pre-bending type aorta overlay film frame structural representation;
Fig. 6 is for being the nick-eltitanium alloy stent shaping schematic view.
Among the figure, 1 is Os Draconis, and 2 is Z-shaped wavy support, and 3 is metal rack, and 4 is overlay film, and 5 is the curved mould, and 6 is the near-end suture location, and 7 is the far-end suture location, and 8 is straight tube shape body, and 9 is stainless steel bar, and 10 is steel bushing.
The specific embodiment
Specify the present invention below in conjunction with embodiment.
A kind of pre-bending type aorta overlay film frame is made up of metal rack 3 and overlay film 4, the Z-shaped wavy support 2 of 7 circles that described metal rack 3 comprises the Os Draconis 1 of a bending and is connected with Os Draconis 1.Described metal rack 3 adopts Nitinol to process, and described overlay film 4 adopts PET to process.
Its manufacture method is:
1. prepare metal rack 3:
As shown in Figure 6, be the nick-eltitanium alloy stent shaping schematic view, described bending mould comprises straight tube shape body 8, connects 14 row's stainless steel bars 9 (all not illustrating) on the described straight tube shape body 8, is used to hang nitinol alloy wire, adjacent two row's stainless steel bars 9 are staggered.Form straight tube shape support according to following method:
(1) be 54.2wt% with Ni content; Ti content is 45.3wt%; Diameter is wherein 1 stainless steel bar 9 beginning of second row from the bending mould of the nitinol alloy wire of 0.2mm; Between first row and second row's stainless steel bar 9, form the Z-shaped wavy support 2 of first lap, the head end of nitinol alloy wire and the lap of tail end are linked together through a steel bushing 10 by Z-shaped bending one circle.
(2) nitinol alloy wire is passed another steel bushing 10 and arrange wherein 1 stainless steel bar 9 since the 4th; Between the 3rd row and the 4th row's stainless steel bar 9, form the Z-shaped wavy support 2 of second circle, nitinol alloy wire is passed described another steel bushing 10 by Z-shaped bending one circle;
(3) method according to step (2) forms the Z-shaped wavy support 2 of remaining 5 circle by Z-shaped bending one circle successively between the 5th and the 6th row, the 7th and the 8th row, the 9th and the tenth row, the 11 and the 12 row, the 13 and the 14 row's stainless steel bar 9; The Z-shaped wavy support 2 of every circle all arranges beginning bending from even numbers, and the head end and the lap of tail end that constitute the nitinol alloy wire of the Z-shaped wavy support 2 of every circle all link together through a steel bushing 10.
(4) behind the Z-shaped wavy support 2 of every formation one circle, with iron wire circumferentially being fastened along straight tube shape body 8 in its outside.Each encloses Z-shaped wavy support 2 and connects into an integral body through nitinol alloy wire, and each nitinol alloy wire that encloses between the Z-shaped wavy support 2 basically forms straight line, constitutes Os Draconis 1.
After the completion, put into heat-treatment furnace and carry out the elevated temperature heat typing, heat setting temperature is 500 ℃, and shaping time is 10 minutes.After thermal finalization is accomplished, take off the fixedly iron wire of usefulness, the steel bushing 10 of the Z-shaped wavy support 2 of every circle is compressed.
As shown in Figure 1, be straight tube shape supporting structure sketch map.The long 15cm of straight tube shape support of gained, diameter 36cm.
The straight tube shape support that typing is good is fixed on the curved mould 5; As shown in Figure 2; Be curved mould structure sketch map; As shown in Figure 3, for support being fixed on sketch map on the curved mould, in heat-treatment furnace, keeping 10 fens clock times to carry out high-temperature shaping at 500 ℃ and form metal rack 3 described straight tube shape support.As shown in Figure 4, be the metal rack structural representation.
2. make overlay film 4:
According to the diameter and the overlay film length of metal rack 3, and the PET overlay film 4 of cutting one block length 135mm, wide 115mm (available from VASCUTEK, a TERUMO company, UK), and overlay film is stitched into diameter is 36mm, length is the straight tube shape of 135mm.
3. the making of pre-bending type aorta overlay film frame:
The metal rack 3 that typing is good is put on the straight tubular pole; To sew up the outside that good straight tubular overlay film 4 is enclosed within metal rack 3 then; One end of metal rack 3 exposes overlay film 15mm length; At first the two ends of overlay film 4 are sewed up with corresponding Z-shaped wavy support 2, will be stitched together with overlay film 4 with eclipsed all the other the Z-shaped wavy supports 2 of overlay film then.Support after will sewing up is then taken off from pole, obtains pre-bending type aorta overlay film frame as shown in Figure 5.
Table 1: the Main physical performance of metal rack:
Table 2: the biology performance of metal rack detects (reference method: GB/T 16886-2003/ISO 10993-2002)
Table 3: pre-bending type aorta overlay film frame Main physical performance
Table 4: pre-bending type aorta overlay film frame biology performance testing result (reference method: GB/T 16886-2003/ISO 10993-2002)
A kind of pre-bending type aorta overlay film frame is made up of metal rack 3 and overlay film 4, the Z-shaped wavy support 2 of 7 circles that described metal rack 3 comprises the Os Draconis 1 of a bending and is connected with Os Draconis 1.Described metal rack 3 adopts Nitinol to process, and described overlay film 4 adopts PET to process.
Its manufacture method is:
1. prepare metal rack 3:
As shown in Figure 6, be the nick-eltitanium alloy stent shaping schematic view, described bending mould comprises straight tube shape body 8, connects 14 row's stainless steel bars 9 (all not illustrating) on the described straight tube shape body 8, is used to hang nitinol alloy wire, adjacent two row's stainless steel bars 9 are staggered.Form Z-shaped wavy support 2 according to following method:
(1) be 57.1wt% with Ni content; Ti content is 42.5wt%; Diameter is that the nitinol alloy wire of 0.4mm is arranged wherein 1 stainless steel bar 9 since second; Between first row and second row's stainless steel bar 9, form the Z-shaped wavy support 2 of first lap, the head end of nitinol alloy wire and the lap of tail end are linked together through first steel bushing 10 by Z-shaped bending one circle.
(2) nitinol alloy wire is passed another steel bushing 10 and arrange wherein 1 stainless steel bar 9 since the 4th; Between the 3rd row and the 4th row's stainless steel bar 9, form the Z-shaped wavy support 2 of second circle, nitinol alloy wire is passed described another steel bushing 10 by Z-shaped bending one circle;
(3) method according to step (2) forms the Z-shaped wavy support 2 of remaining 5 circle by Z-shaped bending one circle successively between the 5th and the 6th row, the 7th and the 8th row, the 9th and the tenth row, the 11 and the 12 row, the 13 and the 14 row's stainless steel bar 9; The Z-shaped wavy support 2 of every circle all arranges beginning bending from even numbers, and the head end and the lap of tail end that constitute the nitinol alloy wire of the Z-shaped wavy support 2 of every circle all link together through a steel bushing 10.
(4) behind the Z-shaped wavy support 2 of every formation one circle, be fixed on its outside with outer shroud.Each encloses Z-shaped wavy support 2 and connects into an integral body through nitinol alloy wire, and each nitinol alloy wire that encloses between the Z-shaped wavy support 2 basically forms straight line, constitutes Os Draconis 1.
After the completion, put into heat-treatment furnace and carry out the elevated temperature heat typing, heat setting temperature is 500 ℃, and shaping time is 10 minutes.Thermal finalization is taken off the fixedly outer shroud of usefulness after accomplishing, and steel bushing 10 welding of the Z-shaped wavy support 2 of every circle are fixing.As shown in Figure 1, be straight tube shape supporting structure sketch map.The long 15cm of said straight tube shape support, diameter 38cm.
The straight tube shape support that typing is good is fixed on the curved mould 5; As shown in Figure 2; Be curved mould structure sketch map; As shown in Figure 3, for support being fixed on sketch map on the curved mould, in heat-treatment furnace, keep 10 fens clock times to carry out high-temperature shaping at 500 ℃ to described straight tube shape support.As shown in Figure 4, be the metal rack structural representation.
2. make overlay film 4:
According to the diameter and the overlay film length of metal rack 3, and the PET overlay film 4 of cutting one block length 135mm, wide 115mm (available from VASCUTEK, a TERUMO company, UK), and overlay film is stitched into diameter is 38mm, length is the straight tube shape of 135mm.
3. the making of pre-bending type aorta overlay film frame:
The metal rack 3 that typing is good is put on the straight tubular pole; To sew up the outside that good straight tubular overlay film 4 is enclosed within metal rack 3 then; One end of metal rack 3 exposes overlay film 15mm length; At first the two ends of overlay film 4 are sewed up with corresponding Z-shaped wavy support 2, will be stitched together with overlay film 4 with eclipsed all the other the Z-shaped wavy supports 2 of overlay film then.Support after will sewing up is then taken off from pole, obtains pre-bending type aorta overlay film frame as shown in Figure 5.
Table 5: metal rack Main physical performance:
Table 6: the metal rack biology performance detects (reference method: GB/T 16886-2003/ISO 10993-2002)
Table 7: pre-bending type aorta overlay film frame Main physical performance:
Table 8: pre-bending type aorta overlay film frame biology performance testing result (reference method: GB/T 16886-2003/ISO 10993-2002)
Claims (10)
1. a pre-bending type aorta overlay film frame is characterized in that, is made up of metal rack (3) and overlay film (4), and described metal rack (3) comprises the Os Draconis (1) of a bending and the Z-shaped wavy supports of many circles (2) that are connected with Os Draconis (1).
2. pre-bending type aorta overlay film frame as claimed in claim 1 is characterized in that, described metal rack (3) adopts Nitinol to process, and described overlay film (4) adopts PET to process.
3. the manufacture method of the described pre-bending type of claim 1 aorta overlay film frame is characterized in that concrete steps are:
The first step: make straight tube shape support, straight tube shape support is put into heat-treatment furnace carry out the high-temperature shaping first time;
Second step: the straight tube shape support of first step gained is fixed on the syphon shape mould (5), in heat-treatment furnace, it is carried out the high-temperature shaping second time, obtain the metal rack (3) of syphon shape;
The 3rd step: the metal rack (3) of syphon shape is placed on makes it become straight on the straight tubular pole, overlay film (4) is sewn to metal rack (3) outside that becomes straight, sew up and take off metal rack (3) from pole after accomplishing, obtain pre-bending type aorta overlay film frame.
4. the manufacture method of pre-bending type aorta overlay film frame as claimed in claim 3 is characterized in that the Ni content of described nitinol alloy wire is 50.8-58wt%; Ti content is 41.5-48.5wt%, and diameter is 0.2-0.6mm.
5. the manufacture method of pre-bending type aorta overlay film frame as claimed in claim 3 is characterized in that, the diameter of described straight tube shape support is 34mm～44mm, the long 15cm～19cm of being.
6. the manufacture method of pre-bending type aorta overlay film frame as claimed in claim 3 is characterized in that the thickness of described overlay film is 0.02-0.04mm.
7. the manufacture method of pre-bending type aorta overlay film frame as claimed in claim 3; It is characterized in that; The concrete grammar of the Z-shaped wavy support of making described in the first step is: prepare the bending mould; Described bending mould comprises straight tube shape body (8), and described straight tube shape body (8) connects many row's stainless steel bars (9), and adjacent two row's stainless steel bars (9) are staggered; Nitinol alloy wire is arranged between the stainless steel bars (9) by the Z-shaped Z-shaped wavy support (2) that is bent to form at adjacent two of described bending mould; The head end and the lap of tail end that constitute the nitinol alloy wire of the Z-shaped wavy support of every circle (2) link together through a steel bushing (10); The Z-shaped wavy support of two adjacent rings (2) links together through nitinol alloy wire, and each nitinol alloy wire that encloses between the Z-shaped wavy support (2) constitutes Os Draconis (1).
8. the manufacture method of pre-bending type aorta overlay film frame as claimed in claim 3; It is characterized in that; The described concrete steps that overlay film (4) is sewn to metal rack (3) outside of syphon shape are: the outside that straight tubular overlay film (4) is enclosed within metal rack (3); It is long that one end of metal rack (3) exposes overlay film 15mm～20mm, and the two ends of overlay film (4) are sewed up with corresponding Z-shaped wavy support (2), will be stitched together with eclipsed all the other Z-shaped wavy supports (2) of overlay film and overlay film (4) then.
9. the manufacture method of pre-bending type aorta overlay film frame as claimed in claim 3 is characterized in that, in the said first step the first time high-temperature shaping temperature be about 450-550 ℃, the time is 5-15 minute.
10. the manufacture method of pre-bending type aorta overlay film frame as claimed in claim 3 is characterized in that, said second the step in the second time high-temperature shaping temperature be about 450-550 ℃, the time is 5-15 minute.
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Citations (8)
| 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 |
| CN2728440Y (en) * | 2004-07-30 | 2005-09-28 | 北京有色金属研究总院 | Aorta tectorial membrane stent |
| CN2787168Y (en) * | 2004-08-19 | 2006-06-14 | 复旦大学附属中山医院 | Asymmetric artificial bracket in blood vessel |
| EP1913897A1 (en) * | 2005-08-09 | 2008-04-23 | Microport Medical (Shanghai) Co., Ltd. | A surgical stent peosthesis and a transporter for transporting the peostheses |
| CN101623218A (en) * | 2009-07-03 | 2010-01-13 | 先健科技(深圳)有限公司 | Blood vessel covered stent and manufacturing method thereof |
| US7722663B1 (en) * | 2000-04-24 | 2010-05-25 | Scimed Life Systems, Inc. | Anatomically correct endoluminal prostheses |
| CN102123683A (en) * | 2008-08-25 | 2011-07-13 | Aga医药有限公司 | Stent graft having extended landing area and method for using the same |
| CN102125475A (en) * | 2011-01-24 | 2011-07-20 | 中国人民解放军第二军医大学 | Combined ascending aortic intracavitary isolation implant |
-
2012
- 2012-06-11 CN CN2012101915371A patent/CN102670338A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7722663B1 (en) * | 2000-04-24 | 2010-05-25 | Scimed Life Systems, Inc. | Anatomically correct endoluminal prostheses |
| CN2675083Y (en) * | 2004-01-06 | 2005-02-02 | 微创医疗器械(上海)有限公司 | Stent graft for |
| CN2728440Y (en) * | 2004-07-30 | 2005-09-28 | 北京有色金属研究总院 | Aorta tectorial membrane stent |
| CN2787168Y (en) * | 2004-08-19 | 2006-06-14 | 复旦大学附属中山医院 | Asymmetric artificial bracket in blood vessel |
| EP1913897A1 (en) * | 2005-08-09 | 2008-04-23 | Microport Medical (Shanghai) Co., Ltd. | A surgical stent peosthesis and a transporter for transporting the peostheses |
| CN102123683A (en) * | 2008-08-25 | 2011-07-13 | Aga医药有限公司 | Stent graft having extended landing area and method for using the same |
| CN101623218A (en) * | 2009-07-03 | 2010-01-13 | 先健科技(深圳)有限公司 | Blood vessel covered stent and manufacturing method thereof |
| CN102125475A (en) * | 2011-01-24 | 2011-07-20 | 中国人民解放军第二军医大学 | Combined ascending aortic intracavitary isolation implant |
Cited By (27)
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| CN104622600A (en) * | 2013-11-15 | 2015-05-20 | 微创心脉医疗科技（上海）有限公司 | Intra-operative stent system |
| WO2015070792A1 (en) * | 2013-11-15 | 2015-05-21 | 上海微创医疗器械（集团）有限公司 | Intraoperative stent system |
| CN103720529A (en) * | 2013-12-30 | 2014-04-16 | 先健科技(深圳)有限公司 | Arcus aortae intraoperative stent and method for manufacturing stent |
| US10548709B2 (en) | 2013-12-30 | 2020-02-04 | Lifetech Scientific (Shenzhen) Co. Ltd. | Aortic arch intraoperative stent and manufacturing method thereof |
| CN105873543A (en) * | 2013-12-30 | 2016-08-17 | 先健科技(深圳)有限公司 | Aortic arch intraoperative stent and manufacturing method thereof |
| CN103720529B (en) * | 2013-12-30 | 2017-02-08 | 先健科技(深圳)有限公司 | Arcus aortae intraoperative stent and method for manufacturing stent |
| EP3090707A4 (en) * | 2013-12-30 | 2017-07-12 | Lifetech Scientific (Shenzhen) Co., Ltd. | Aortic arch intraoperative stent and manufacturing method thereof |
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| CN105853034A (en) * | 2016-03-23 | 2016-08-17 | 北京微创介入医疗装备有限公司 | Vascular stent and stent conveying system |
| CN105853024A (en) * | 2016-04-22 | 2016-08-17 | 湖南埃普特医疗器械有限公司 | Covered stent, manufacturing method thereof and sheath tube |
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| WO2018095090A1 (en) * | 2016-11-24 | 2018-05-31 | 先健科技(深圳)有限公司 | Anti-shrinkage stent graft and production method thereof |
| CN106983581A (en) * | 2017-04-20 | 2017-07-28 | 江门市众新思创医疗科技有限公司 | A kind of Intravascular stent for aorta |
| CN108078658A (en) * | 2017-12-12 | 2018-05-29 | 内蒙古工业大学 | A kind of arch aorta tectorial membrane stent |
| CN109124822A (en) * | 2018-06-25 | 2019-01-04 | 上海理工大学 | A kind of aorta pectoralis support ring pre-bending shaping mould |
| CN109259890A (en) * | 2018-07-27 | 2019-01-25 | 北京航空航天大学 | A kind of overlay film frame |
| CN109259890B (en) * | 2018-07-27 | 2019-08-30 | 北京航空航天大学 | A kind of overlay film frame |
| CN109512546A (en) * | 2018-09-29 | 2019-03-26 | 北京航空航天大学 | Overlay film frame and preparation method thereof |
| CN109512546B (en) * | 2018-09-29 | 2021-05-04 | 北京航空航天大学 | Covered stent and manufacturing method thereof |
| CN109846585A (en) * | 2019-02-25 | 2019-06-07 | 广东工业大学 | A kind of aorta pectoralis intravascular stent connected with keel |
| CN110368159A (en) * | 2019-08-22 | 2019-10-25 | 浙江归创医疗器械有限公司 | A kind of bending-type intravascular stent |
| CN110974504A (en) * | 2019-12-18 | 2020-04-10 | 广州新诚生物科技有限公司 | Covered stent, preparation method thereof and weight-reducing stent system comprising covered stent |
| WO2023045675A1 (en) * | 2021-09-24 | 2023-03-30 | 微创优通医疗科技(嘉兴)有限公司 | Stent for use in intestinal tract, and weaving method therefor |
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Application publication date: 20120919 |