CN102100587B - Blood vessel bracket prosthesis - Google Patents
Blood vessel bracket prosthesis Download PDFInfo
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- CN102100587B CN102100587B CN2009102004612A CN200910200461A CN102100587B CN 102100587 B CN102100587 B CN 102100587B CN 2009102004612 A CN2009102004612 A CN 2009102004612A CN 200910200461 A CN200910200461 A CN 200910200461A CN 102100587 B CN102100587 B CN 102100587B
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Abstract
The invention discloses a blood vessel bracket prosthesis. The blood vessel bracket prosthesis comprises an artificial blood vessel prosthesis and a self-elasticity bracket, wherein the artificial blood vessel prosthesis is fixed on the outer side of the self-elasticity bracket through a suture line; the self-elasticity bracket consists of a plurality of self-expansion rings; the self-expansion rings are partially sutured on the artificial blood vessel prosthesis; a tube body of the artificial blood vessel prosthesis has a corrugate shape; the plurality of self-expansion rings are dispersedly arranged in the artificial blood vessel prosthesis at uniform intervals; and parts near the sides of the self-expansion rings, are sutured on the artificial blood vessel prosthesis. The blood vessel bracket prosthesis can avoid blood vessel deformation caused by that a tectorial membrane bracket is folded after being implanted into a human body and can avoid other problems caused by blood vessel deformation.
Description
Technical field
The application relates to medical Instrument field, particularly relates to a kind of blood vessel bracket prosthesis.
Background technology
Aortic aneurysm is the lump on the main artery wall, and it is to be caused by the weak ductus arteriosus wall of blood pressure compressing, can be divided three classes by the position: Ascending Aortic Aneurysm, Aortic arch aneursym, descending aortic aneurysm.It just has the danger of breaking when aneurysm reaches a certain size, may cause patient's internal hemorrhage and life danger occurs.Present therapeutic modality mainly is to implant overlay film frame, makes it seal internally aneurysm, with the impact of alleviation blood pressure for weak aorta wall, thereby reduces the risk that it breaks.
In the existing overlay film frame, the eject support normally is made of a plurality of self-expanding rings that B alloy wire couples together, and as shown in Figure 1,1 is the self-expanding ring, and 2 is B alloy wire.Because B alloy wire has elasticity, support motion amplitude in the axial direction is less like this, and is harder at axial direction, can not free bend.Because the tortuous property of blood vessel behind the overlay film frame implant into body, may give a discount in the position that curvature is larger, causes the distortion of blood vessel, brings new risk to patient.
Summary of the invention
For solving the problems of the technologies described above, the embodiment of the present application provides a kind of blood vessel bracket prosthesis, can free bend, and the problem of having avoided existing overlay film frame implant into body to bring, technical scheme is as follows:
A kind of blood vessel bracket prosthesis comprises: artificial blood vessel prosthese and eject support;
Wherein, described artificial blood vessel prosthese is fixed on described eject support outside by stitching thread; Described eject support is comprised of the self-expanding ring of a plurality of dispersions, and described self-expanding ring partly is sewn onto on the described artificial blood vessel prosthese.
Preferably, the body of described artificial blood vessel prosthese is corrugated.
Preferably, the body of described artificial blood vessel prosthese is flat.
Preferably, described a plurality of self-expanding ring scattering devices are in described artificial blood vessel prosthese, and the interval is even between each self-expanding ring.
Preferably, near part described self-expanding ring one side is sewn on the described artificial blood vessel prosthese.
The technical scheme that is provided by above the embodiment of the present application as seen, self-expanding ring in the eject support is comprised of a plurality of dispersions, the uniform self-expanding ring in interval, saved B alloy wire, and each self-expanding ring is sewn onto on the artificial blood vessel prosthese near the part of a side end, can be free to slide between each self-expanding ring of eject support and the artificial blood vessel prosthese, larger at the axial direction motion amplitude.Be embodied on the blood vessel bracket prosthesis and be exactly: enough soft in the axial direction, can free bend.Like this behind the implant into body, in the larger position of blood vessel curvature, also can be fitted in well on the blood vessel wall, phenomenon can not give a discount, can not cause blood vessel distortion yet, therefore cause blood vessel distortion thereby can avoiding may occur to give a discount behind the existing overlay film frame implant into body, and the other problem that causes owing to blood vessel distortion.
Description of drawings
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, the accompanying drawing that the following describes only is some embodiment that put down in writing among the application, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of eject support in the existing overlay film frame;
Fig. 2 is the structural representation of a kind of blood vessel bracket prosthesis of the embodiment of the present application;
Fig. 3 is the partial enlarged drawing of the embodiment of the present application blood vessel bracket prosthesis;
Fig. 4 is the structural representation after the bending of the embodiment of the present application blood vessel bracket prosthesis.
The specific embodiment
For above-mentioned purpose, the feature and advantage that make the application can become apparent more, below in conjunction with the drawings and specific embodiments the application is described in further detail.
The disclosed a kind of blood vessel bracket prosthesis of the embodiment of the present application, as shown in Figure 1, this blood vessel bracket prosthesis mainly comprises artificial blood vessel prosthese 3 and eject support 4, I is the partial enlarged drawing of this blood vessel bracket prosthesis.
Wherein, artificial blood vessel prosthese 3 covers and is fixed on eject support 4 outsides by stitching thread 5.The inwall of the outer wall of eject support 4 and artificial blood vessel prosthese 3 is to contacting.After in the blood vessel bracket prosthesis implant into body blood vessel, the outer wall of artificial blood vessel prosthese 3 is close on the inwall of human vas, and eject support 4 is played a supporting role in artificial blood vessel prosthese 3 inside.
Eject support 4 is comprised of a plurality of self-expanding rings, 1 is one of them self-expanding ring, a plurality of self-expanding ring scattering devices are in artificial blood vessel prosthese 3, the interval is even each other, for artificial blood vessel prosthese 3 is providing support power in the radial direction, prevent artificial blood vessel prosthese 3 behind implant into body, extrusion.
The body material of artificial blood vessel prosthese 3 can adopt the materials such as PET or PTFE, body can be designed to the corrugated body, also can be designed to smooth shape body, and the corrugated tubes bulk phase is than smooth shape body, motion amplitude is larger in the axial direction, is more suitable for using in the larger position of blood vessel curvature.The self-expanding ring 1 general materials such as Nitinol, cochrome or rustless steel that adopt process through braiding again.
Fig. 2 is the partial enlarged drawing of blood vessel bracket prosthesis, as shown in the figure, stitching thread 5 begins to sew up from the first centre position 6 of self-expanding ring 1, end 7 through the left side, be sewn onto 8 places, the second centre position again and stop, the end 9 on the right side of self-expanding ring and the other parts on close right side are not sewed up.Equally the part near all left end of self-expanding ring is all sewed up, do not sewed up near the part of all right-hand end.Other self-expanding ring is also done same stitching and is processed.
After processing through above-mentioned stitching, the sutured portion of self-expanding ring left end can be fixed on the self-expanding ring inside of artificial blood vessel prosthese 3, and right-hand end not have between the part of stitching and the artificial blood vessel prosthese 3 can be by a small margin slip.
If stitch length is a, the width of self-expanding ring is b, it will be recognized by those skilled in the art that in the embodiment of the present application, and the ratio that stitch length a has accounted for axial length b is 50%, and this ratio is preferred embodiment, should not consist of the restriction to the application.In addition, in actual applications, it is can be in 30% to 75% scope movable that the stitch length a of self-expanding ring accounts for the percentage ratio of axial length b, carrying out part according to the percentage ratio in the above-mentioned scope sews up, can either guarantee self-expanding ring and artificial blood vessel prosthese 3 are fixed, can also guarantee that they can be free to slide between the two.
Fig. 3 is the structural representation after the blood vessel bracket prosthesis bending, and as shown in the figure, when artificial blood vessel prosthese 3 was bent downwardly, the upside of artificial blood vessel prosthese 3 can be strained, and downside will shrink relatively.Will be free to slide between the end 9 of right side of face under the self-expanding ring and artificial blood vessel prosthese 3, the downside of artificial blood vessel prosthese 3 will shrink by a small margin, eject support 4 all can carry out identical action at all self-expanding rings of crooked position, the downside that so just can guarantee artificial blood vessel prosthese 3 can free shrink, also just guarantee when bending, can be fitted in well on the blood vessel wall, the phenomenon of discounting can not occur twisting, can not cause blood vessel distortion.So just can avoid the other problem that brings owing to blood vessel distortion.
The embodiment of the present application, self-expanding ring in the eject support is the uniform self-expanding ring in a plurality of dispersions, interval, and each self-expanding ring is sewn onto on the artificial blood vessel prosthese near the part of a side end, blood vessel bracket prosthesis is when guaranteeing that the blood vessel radial direction has enough support forces like this, motion amplitude is larger in the axial direction at the axial blood vessel bracket prosthesis of blood vessel, enough soft, can free bend.
The above only is the application's the specific embodiment; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the application's principle; can also make some improvements and modifications, these improvements and modifications also should be considered as the application's protection domain.
Claims (4)
1. a blood vessel bracket prosthesis is characterized in that, comprising: artificial blood vessel prosthese and eject support;
Wherein, described artificial blood vessel prosthese is fixed on described eject support outside by stitching thread; Described eject support is comprised of the self-expanding ring of a plurality of dispersions, and described self-expanding ring partly is sewn onto on the described artificial blood vessel prosthese, wherein:
Near part described self-expanding ring one side is sewn on the described artificial blood vessel prosthese.
2. blood vessel bracket prosthesis according to claim 1 is characterized in that, the body of described artificial blood vessel prosthese is corrugated.
3. blood vessel bracket prosthesis according to claim 1 is characterized in that, the body of described artificial blood vessel prosthese is flat.
4. blood vessel bracket prosthesis according to claim 1 is characterized in that, described a plurality of self-expanding ring scattering devices are in described artificial blood vessel prosthese, and the interval is even between each self-expanding ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102004612A CN102100587B (en) | 2009-12-18 | 2009-12-18 | Blood vessel bracket prosthesis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102004612A CN102100587B (en) | 2009-12-18 | 2009-12-18 | Blood vessel bracket prosthesis |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102100587A CN102100587A (en) | 2011-06-22 |
| CN102100587B true CN102100587B (en) | 2013-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102004612A Active CN102100587B (en) | 2009-12-18 | 2009-12-18 | Blood vessel bracket prosthesis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102100587B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3421010A4 (en) * | 2016-03-18 | 2019-11-20 | Hangzhou Weiqiang Medical Technology Co., Ltd. | Plastic covered stent for aortic dissection and aortic dissection stent |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9700399B2 (en) * | 2012-04-26 | 2017-07-11 | Medtronic Vascular, Inc. | Stopper to prevent graft material slippage in a closed web stent-graft |
| US10561509B2 (en) | 2013-03-13 | 2020-02-18 | DePuy Synthes Products, Inc. | Braided stent with expansion ring and method of delivery |
| CN104352288A (en) * | 2014-10-30 | 2015-02-18 | 章庆春 | Covered stent used in chest great vessel cavity |
| 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 |
| CN106264782B (en) * | 2016-08-25 | 2019-04-26 | 北京天助瑞畅医疗技术有限公司 | Overlay film frame |
| US10292851B2 (en) | 2016-09-30 | 2019-05-21 | DePuy Synthes Products, Inc. | Self-expanding device delivery apparatus with dual function bump |
| US10182927B2 (en) * | 2016-10-21 | 2019-01-22 | DePuy Synthes Products, Inc. | Expansion ring for a braided stent |
| CN106726036B (en) * | 2016-12-30 | 2019-02-05 | 山东中保康医疗器具有限公司 | Degradable magnesium alloy urethra rack |
| CN106691646B (en) * | 2016-12-30 | 2019-03-12 | 山东中保康医疗器具有限公司 | Degradable magnesium alloy ureter bracket |
| CN110547896B (en) * | 2018-05-30 | 2024-07-12 | 杭州唯强医疗科技有限公司 | Vascular tectorial membrane support |
| AU2019204522A1 (en) | 2018-07-30 | 2020-02-13 | DePuy Synthes Products, Inc. | Systems and methods of manufacturing and using an expansion ring |
| US10456280B1 (en) | 2018-08-06 | 2019-10-29 | DePuy Synthes Products, Inc. | Systems and methods of using a braided implant |
| CN116831780A (en) * | 2023-07-05 | 2023-10-03 | 北京航空航天大学 | Corrugated small-caliber artificial blood vessel and manufacturing method thereof |
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| CN1911188A (en) * | 2005-08-09 | 2007-02-14 | 微创医疗器械(上海)有限公司 | Stent prosthesis used for surgical operation, and delivery device therefor |
| CN101151002A (en) * | 2004-01-06 | 2008-03-26 | 阿普特斯内系统公司 | Prosthesis systems and methods sized and configured for the receipt and retention of fasteners |
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2009
- 2009-12-18 CN CN2009102004612A patent/CN102100587B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101151002A (en) * | 2004-01-06 | 2008-03-26 | 阿普特斯内系统公司 | Prosthesis systems and methods sized and configured for the receipt and retention of fasteners |
| CN1911188A (en) * | 2005-08-09 | 2007-02-14 | 微创医疗器械(上海)有限公司 | Stent prosthesis used for surgical operation, and delivery device therefor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3421010A4 (en) * | 2016-03-18 | 2019-11-20 | Hangzhou Weiqiang Medical Technology Co., Ltd. | Plastic covered stent for aortic dissection and aortic dissection stent |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102100587A (en) | 2011-06-22 |
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Address after: 201203 Shanghai City Newton Road, Pudong New Area Zhangjiang hi tech Park No. 501 Applicant after: Shanghai MicroPort Medical Equipment (Group) Co., Ltd. Address before: 201203 Shanghai City Newton Road, Pudong New Area Zhangjiang hi tech Park No. 501 Applicant before: Weichuang Medical Equipment (Shanghai) Co., Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: WEICHUANG MEDICAL EQUIPMENT (SHANGHAI) CO., LTD. TO: SHANGHAI MICROPORT MEDICAL EQUIPMENT (GROUP) CO., LTD. |
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Owner name: MICROPORT ENDOVASCULAR (SHANGHAI) CO., LTD. Free format text: FORMER OWNER: SHANGHAI MICROPORT MEDICAL EQUIPMENT (GROUP) CO., LTD. Effective date: 20141022 |
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Effective date of registration: 20141022 Address after: 201318 Pudong New Area Kang Xin Road, Lane 3399, Lane 1, No. Patentee after: Minimally invasive medical technology (Shanghai) Co., Ltd. Address before: 201203 Shanghai City Newton Road, Pudong New Area Zhangjiang hi tech Park No. 501 Patentee before: Shanghai MicroPort Medical Equipment (Group) Co., Ltd. |
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Address after: No. 3399 Lane 1, Kangxin Highway, Pudong New District, Shanghai, 201318 Patentee after: Shanghai Minimally Invasive Heart Vein Medical Technology Co., Ltd. Address before: No. 3399 Lane 1, Kangxin Highway, Pudong New District, Shanghai, 201318 Patentee before: Minimally invasive medical technology (Shanghai) Co., Ltd. |
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