CN204033540U - Segment combined type support type artifical vascular - Google Patents
Segment combined type support type artifical vascular Download PDFInfo
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- CN204033540U CN204033540U CN201420496634.6U CN201420496634U CN204033540U CN 204033540 U CN204033540 U CN 204033540U CN 201420496634 U CN201420496634 U CN 201420496634U CN 204033540 U CN204033540 U CN 204033540U
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Abstract
The utility model proposes a kind of segment combined type support type artifical vascular, comprise the first overlay film frame and second overlay film frame of split type setting, the distal portions of the first overlay film frame is socketed in the outside of the proximal part of the second overlay film frame, first overlay film frame and the second overlay film frame are linked together by the stringer brace summer being positioned at homonymy, second overlay film frame can be bound in the first overlay film frame, and the second overlay film frame is released to lag behind the d/d mode of the first overlay film frame, adopt this artificial blood vessel can avoid because bending at the crooked position of patient vessel in after straight-cylindrical support type artifical vascular release, segment combined type support type artifical vascular is contacted full and uniform with blood vessel, to prevent internal hemorrhage due to trauma.
Description
Technical field
This utility model relates to a kind of segment combined type support type artifical vascular.
Background technology
Aorta vessel pathological changes or damage cause arterial wall to be expanded, part or holostrome break then there is tumor sample form and is called aortic aneurysm.The main Endovascular aortic repair that adopts treats aortic aneurysm at present, this Endovascular aortic repair is that standoff for band artificial blood vessel is sent into aorta from femoral artery, artificial blood vessel strides across aneurysmal near, far-end, blood flow is passed through in artificial blood vessel, no longer enter in tumor body, tumor chamber " is completely cut off " by artificial blood vessel, thus reaches reparation object.
The artificial blood vessel that the band of various structures supports and induction system are there is in the market.Because the aortic arch form of patient varies with each individual; there is comparatively serious bending greatly; current straight tube shape Stent-graft is used in aortic arch when falling portion; frequent meeting forms gauffer or beak at the lesser curvature side of bow; cause Stent-graft discharge after and blood vessel attach insufficient, uneven; produce internal hemorrhage due to trauma, or artificial blood vessel bends at aortic arch lesser curvature side, affects that blood flow is smooth and easy to be passed through.
In view of the foregoing, the patent No. is that the Chinese patent of CN03255981X discloses a kind of artificial blood vessel with support, comprise the overlay film of support that the column individual pen containing multiple waveform that multiple B alloy wire makes forms and tubulose, this column individual pen comprises the first column individual pen and the second column individual pen, wherein, after the second column spread of single circle blade, all troughs all on the same line, all crests are outside from the crest of centre, raise gradually successively.In technique scheme, because the entire length of artificial blood vessel is longer, easily make when discharging artificial blood vessel artificial blood vessel that bending occurs and reduce the stickiness of artificial blood vessel and blood vessel wall, causing internal hemorrhage due to trauma occurs.
Utility model content
In view of this, main purpose of the present utility model is, provides a kind of segment combined type support type artifical vascular can effectively avoided support type artifical vascular to bend or produce gauffer.
For achieving the above object, the utility model proposes a kind of segment combined type support type artifical vascular, comprise the first overlay film frame and second overlay film frame of split type setting, the distal portions of described first overlay film frame is socketed in the outside of the proximal part of described second overlay film frame, described first overlay film frame and the second overlay film frame are linked together by the stringer brace summer being positioned at homonymy, described second overlay film frame can be bound in described first overlay film frame, and described second overlay film frame is released to lag behind the d/d mode of described first overlay film frame.
Adopt said structure, due to the first overlay film frame and the split type setting of the second overlay film frame and the second overlay film frame be released to lag behind the d/d mode of the first overlay film frame, bend at the crooked position of patient vessel after so can avoiding causing artificial blood vessel to discharge because artificial blood vessel length is longer, segment combined type support type artifical vascular is contacted full and uniform with blood vessel, drastically increase the compliability that this artificial blood vessel reply aortic arch is bending, promote fitting tightly between artificial blood tube wall and blood vessel wall, to prevent internal hemorrhage due to trauma, beak, gauffer.In addition, because described first overlay film frame is better than the second overlay film frame release, after the first overlay film frame release, aortic flow can maintain blood flow by this first overlay film frame, the entirety of artificial blood vessel obtains effectively fixing because the first overlay film frame is adherent simultaneously, so, the probability of displacement is produced when can reduce the second overlay film frame release.
Preferably, described first overlay film frame comprises the first support and is fixed on the first overlay film on this first support, described second overlay film frame comprises the second support and is fixed on the second overlay film on this second support, wherein, the distal portions of described first overlay film exceeds the distal portions of described first support, form connecting portion at the far-end of described first overlay film thus, the proximal part of described second overlay film frame is fixed on this connecting portion.
Adopt said structure, owing to forming described connecting portion at the distal portions of described first overlay film, be conducive to realizing the second overlay film frame to be fixed on the first overlay film frame.
Preferably, the proximal part of described second overlay film frame by silk sutures on described connecting portion.
Preferably, described first support and the second support are spaced formation by more piece ringwise " Z/V " shape structure or braiding structure along the axial orientation of described annular, and described stringer brace summer is along both axially link together ringwise for aforementioned more piece " Z/V " shape structure or braiding structure successively aforementioned.
Preferably, described first support and the second support are spaced formation by more piece ringwise " Z/V " shape structure along the axial orientation of described annular, the waveform number had after described second support launches is greater than the waveform number had after described first support launches, and the crest of the former waveform is less than the crest of the latter's waveform.
Adopt said structure, after described second overlay film frame release, between the waveform configuration of adjacent second support, there is larger gap, thus can make artificial blood vessel that larger bending can occur, and there will not be the interstructural overlap of adjacent waveform, drastically increase the bending of artificial blood vessel and comply with performance, make support also be suitable for treating bending serious vascular lesion.
Preferably, after described first support launches, the crest of adjacent two joint corrugated metal supports is relative with trough; After described second support launches, the crest of adjacent two joint corrugated metal supports is relative with trough; The wave amplitude being positioned at stringer brace summer place of a two joint corrugated metal support of the second support is maximum, the wave amplitude that the wave amplitude being positioned at the forementioned waveform metal rack of stringer brace summer both sides is decreased to the residual waveform metal rack of the 2/3, second support of aforementioned maximum amplitude is gradually equal.
Adopt said structure, after described second overlay film frame release, between the waveform configuration of adjacent second support, there is larger gap, thus can make artificial blood vessel that larger bending can occur, and there will not be the interstructural overlap of adjacent waveform, drastically increase the bending of artificial blood vessel and comply with performance, make support also be suitable for treating bending serious vascular lesion.
Preferably, bare bracket is equipped with at the near-end of described first overlay film frame and the second overlay film frame.
Adopt said structure, owing to being provided with described bare bracket, be conducive to the first overlay film frame and the second overlay film frame are anchored on corresponding blood vessel wall or tumor neck wall better, be conducive to the stability combined both improving.
Preferably, the label that can develop under x-ray is provided with in the proximal edge of described first overlay film frame and the second overlay film frame around the described bare bracket of correspondence.
Adopt said structure, clearly can be shown the particular location of the first overlay film frame and the second overlay film frame by described label significantly, thus ensure accurately to locate described segment combined type artificial blood vessel.
Preferably, described first overlay film frame and the second overlay film frame are provided with the several pieces of labels that can develop under x-ray along described stringer brace summer.
Preferably, described second overlay film frame is the straight barrel type artificial blood vessel with steep-taper, namely along diameter difference on columnar length direction more than 6mm.。
Accompanying drawing explanation
Fig. 1 is the schematic diagram of segment combined type support type artifical vascular;
Fig. 2 is the schematic diagram of segment combined type support type artifical vascular in dispose procedure;
Fig. 3 is the schematic diagram after segment combined type support type artifical vascular is completely released.
Detailed description of the invention
Referring to Fig. 1 ~ Fig. 3, the detailed description of the invention of segment combined type support type artifical vascular described in the utility model is described in detail.
As shown in Figure 1, segment combined type people support rack type hemopoietic pipe comprises split type setting and cylindrical circular first overlay film frame 1 and the second overlay film frame 2, the entire length of the first overlay film frame 1 is 30 ~ 80mm, its diameter is 28 ~ 40mm, the length of the second overlay film frame 2 is 30 ~ 160mm, and its diameter is 20 ~ 30mm.First overlay film frame 1 comprises the first support 11 and to be coated on outside this first support 11 and cylindrical circular first overlay film 12, second overlay film frame 2 comprises the second support 21 and to be coated on outside this second support 21 and cylindrical circular second overlay film 22.Wherein, first support 11 and the second support 21 are spaced formation by the ringwise corrugated metal support of more piece along the axial orientation of this annular, this corrugated metal support is made up of medical alloy material usually, as niti-shaped memorial alloy, NiTi superelastic alloy, cobalt chromium dynamax, 316L medical stainless steel alloy etc.First overlay film 12 and the second overlay film 22 are cylindrical circular thin type blood vessel, they are made by the medical macromolecular materials of the low murder by poisoning of human body or nonhazardous, comprise blood compatibility and non-blood compatibility material, biodegradable and nonbiodegradable type, as polyester woven thing, politef, polyamide yarn fabric, polypropylene spun fabric.
The first bare bracket 13 being configured to this first overlay film frame 1 is propped up by the first segment corrugated metal being positioned at the first overlay film frame 1 near-end, the second bare bracket 23, first bare bracket 13 of being configured to this second overlay film frame 2 and the second bare bracket 23 is propped up usually by first overlay film 12 of silk sutures in correspondence and the proximal edge portion of the second overlay film 22 by the first segment corrugated metal being positioned at the second overlay film frame 2 near-end.Be provided with the label that can develop under x-ray at the proximal edge portion of the first overlay film 12 and the second overlay film 22 around the bare bracket of correspondence, the material that this label adopts comprises pure titanium, titanium alloy, gold etc.In the dispose procedure of segment combined type support type artifical vascular, clearly can be shown the particular location of the first overlay film frame 1 and the second overlay film frame 2 significantly by this label.
Homonymy is positioned at and the stringer brace summer 3 be made up of medical alloy silk axially being linked together by the multiple ringwise corrugated metal support forming the first support 11 and the second support 21 successively along the first support 11 and the second support 21 by one.First overlay film frame 1 and the second overlay film frame 2 are also provided with the several pieces of labels that can develop under x-ray along stringer brace summer 3.The large curved side of region subtend aortic arch being fixed with stringer brace summer 3 of artificial blood vessel is made during artificial blood vessel release.It should be noted that in the present embodiment, after the first support 11 launches, the crest of adjacent two joints is relative with trough, and after the second support 21 launches, the crest of adjacent two joints is also relative with trough.The waveform number had after second support 21 launches is greater than the waveform number had after the first support 11 launches, and, the wave amplitude being positioned at stringer brace summer 3 place forming a two joint corrugated metal support of the second support 21 is maximum, and the wave amplitude being positioned at the forementioned waveform metal rack of stringer brace summer 3 both sides is decreased to 2/3 of aforementioned maximum amplitude gradually; The wave amplitude of the residual waveform metal rack of the second support 21 is equal.
In the present embodiment, the distal portions of the first overlay film 12 exceeds the distal portions of the first support 11 on axial length, it exceeds length is 40 ~ 80mm, connecting portion 14 is formed thus at the far-end of the first overlay film 12, the second support 21 and the second bare bracket 23 that are positioned at the proximal part of the second overlay film frame 2 are usual by the inner side of silk sutures at aforementioned connecting portion 14, and the distal portions realizing the first overlay film frame 1 is socketed in the outside of the proximal part of the second overlay film frame.In the foregoing description, suture can adopt one or more materials in polypropylene, polyester, polyamide, real silk, politef, fluorothene etc. to make.
During the autologous vein of segment combined type support type artifical vascular patients with implantation, need assemble it in advance: outside the second overlay film frame of segment combined type artificial blood vessel, indwelling one controls steel wire, with fine rule, whole second overlay film frame constraint is got up in advance, fine rule is wrapped in and controls on steel wire, controls steel wire and passes through carrier and draw from carrier rear end; Again by the first overlay film frame compression, outside it, indwelling one controls steel wire equally, and whole first overlay film frame is wound around constraint by fine rule, loads in the lump in the outer sheath of carrier, control steel wire to draw from carrier rear end, two steel wire tail ends are distinguished with different colours bracelet respectively.
Shown in seeing figures.1.and.2, when needing the autologous vein of above-mentioned segment combined type artificial blood vessel patients with implantation, mode below can be adopted:
In advance, operation consent measures CT or nuclear magnetic resonance image, specifies the diameter of patient's lesion blood vessel and association blood vessel, the segment combined type artificial blood vessel of selected corresponding size.
When performing the operation, first carry out otch to association blood vessel and sent into by this otch adding stiff guide wire, then add along this lesion vessels place that patient to be sent into by carrier by stiff guide wire.
When carrier arrives aortic arch, the stringer brace summer 3 of support type artifical vascular is made to be positioned at the large curved side of aortic arch, remove under being placed in outermost outer sheath, first overlay film frame 1 and the second overlay film frame 2 are shifted out gradually from outer sheath, tractive fetters the guide wire of the first overlay film frame 1, first overlay film frame 1 is discharged completely, the then guide wire of tractive second overlay film frame 2 again, second overlay film frame 2 is discharged completely, realizes the first overlay film frame 1 and have precedence over the second overlay film frame 2 and be released.
Adopt above-mentioned segment combined type support type artifical vascular, due to the first overlay film frame 1 and the split type setting of the second overlay film frame 2 and the second overlay film frame 2 be released to lag behind the d/d mode of the first overlay film frame 1, bend at the crooked position of patient vessel after so can avoiding causing artificial blood vessel to discharge because artificial blood vessel length is longer, segment combined type artificial blood vessel is contacted full and uniform with blood vessel, drastically increase the bending compliability of this artificial blood vessel, promote fitting tightly between artificial blood tube wall and blood vessel wall, to prevent angulation, beak or gauffer, cause internal hemorrhage due to trauma or affect blood flow unobstructed.
In addition, the waveform number had after the first support 11 launches is greater than because the second support 21 launches the rear waveform number had, and the crest of the former waveform is less than the crest of the latter's waveform, after second overlay film frame 2 is discharged, between the waveform configuration of adjacent second support 21, there is larger gap, thus can make artificial blood vessel that larger bending can occur, and there will not be the interstructural knuckle of adjacent waveform or beak, drastically increase the bending of support type artifical vascular and comply with performance, make support also be suitable for treating bending serious vascular lesion.
The foregoing is only preferred embodiment of the present utility model; not in order to limit this utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Such as, described second overlay film frame can be the straight barrel type artificial blood vessel with steep-taper, namely along diameter difference on columnar length direction more than 6mm.
Claims (10)
1. a segment combined type support type artifical vascular, comprises the first overlay film frame (1) and second overlay film frame (2) of split type setting, it is characterized in that,
The distal portions of described first overlay film frame (1) is socketed in the outside of the proximal part of described second overlay film frame (2), described first overlay film frame (1) and the second overlay film frame (2) are linked together by the stringer brace summer (3) being positioned at homonymy
Described second overlay film frame (2) can be bound in described first overlay film frame (1), and described second overlay film frame (2) is released to lag behind the d/d mode of described first overlay film frame (1).
2. segment combined type support type artifical vascular according to claim 1, it is characterized in that, described first overlay film frame (1) comprises the first support (11) and is fixed on the first overlay film (12) on this first support (11), described second overlay film frame (2) comprises the second support (21) and is fixed on the second overlay film (22) on this second support (21), wherein, the distal portions of described first overlay film (12) exceeds the distal portions of described first support (11), connecting portion (14) is formed thus at the far-end of described first overlay film (12), the proximal part of described second overlay film frame (2) is fixed on this connecting portion (14).
3. segment combined type support type artifical vascular according to claim 2, is characterized in that, the proximal part of described second overlay film frame (2) by silk sutures on described connecting portion (14).
4. segment combined type support type artifical vascular according to claim 2, it is characterized in that, described first support (11) and the second support (21) are spaced formation by more piece ringwise corrugated metal support along the axial orientation of described annular, and described stringer brace summer (3) is along both axially link together ringwise for aforementioned more piece corrugated metal support successively aforementioned.
5. segment combined type support type artifical vascular according to claim 4, it is characterized in that, described first support (11) and the second support (21) are spaced formation by more piece ringwise corrugated metal support along the axial orientation of described annular, the waveform number that described second support (21) has after launching is greater than the waveform number had after described first support (11) is launched, and the crest of the former waveform is less than the crest of the latter's waveform.
6. segment combined type support type artifical vascular according to claim 5, is characterized in that, after described first support (11) is launched, the crest of adjacent two joint corrugated metal supports is relative with trough; After described second support (21) is launched, the crest of adjacent two joint corrugated metal supports is relative with trough; The wave amplitude being positioned at stringer brace summer (3) place of a two joint corrugated metal support of the second support (21) is maximum, the wave amplitude that the wave amplitude being positioned at the forementioned waveform metal rack of stringer brace summer (3) both sides is decreased to the residual waveform metal rack of the 2/3, second support (21) of aforementioned maximum amplitude is gradually equal.
7. segment combined type support type artifical vascular according to claim 1, is characterized in that, is equipped with bare bracket at the near-end of described first overlay film frame (1) and the second overlay film frame (2).
8. segment combined type support type artifical vascular according to claim 7, it is characterized in that, be provided with the label that can develop under x-ray in the proximal edge of described first overlay film frame (1) and the second overlay film frame (2) around the described bare bracket of correspondence.
9. segment combined type artificial blood vessel according to claim 1, it is characterized in that, described first overlay film frame (1) and the second overlay film frame (2) are provided with the several pieces of labels that can develop under x-ray along described stringer brace summer (3).
10. segment combined type artificial blood vessel according to claim 1, is characterized in that, described second overlay film frame (2) for having the straight barrel type artificial blood vessel of steep-taper, namely along diameter difference on columnar length direction more than 6mm.
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| CN201420496634.6U CN204033540U (en) | 2014-08-29 | 2014-08-29 | Segment combined type support type artifical vascular |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106264782A (en) * | 2016-08-25 | 2017-01-04 | 北京奇伦天佑创业投资有限公司 | Overlay film frame |
| CN107242917A (en) * | 2017-07-05 | 2017-10-13 | 上海长海医院 | A kind of stent graft |
| CN107802376A (en) * | 2016-09-08 | 2018-03-16 | 先健科技(深圳)有限公司 | Overlay film frame and preparation method thereof |
| CN108553202A (en) * | 2018-07-03 | 2018-09-21 | 上海交通大学医学院附属第九人民医院 | A kind of holder for treating Type B dissection of aorta |
| CN109700569A (en) * | 2018-12-28 | 2019-05-03 | 东莞先健畅通医疗有限公司 | Overlay film frame and preparation method thereof |
| CN109700568A (en) * | 2018-12-28 | 2019-05-03 | 东莞先健畅通医疗有限公司 | Overlay film frame |
| CN110731834A (en) * | 2019-10-25 | 2020-01-31 | 郑州美港高科生物科技有限公司 | Iron-base alloy renal artery stent |
| CN112618122A (en) * | 2019-09-24 | 2021-04-09 | 杭州唯强医疗科技有限公司 | Blood vessel stent and tectorial membrane stent thereof |
| CN113693680A (en) * | 2021-09-01 | 2021-11-26 | 南微医学科技股份有限公司 | Biliary stent |
| CN115381610A (en) * | 2022-10-27 | 2022-11-25 | 北京华脉泰科医疗器械股份有限公司 | Release method of covered stent and high-flexibility covered stent |
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- 2014-08-29 CN CN201420496634.6U patent/CN204033540U/en active Active
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106264782A (en) * | 2016-08-25 | 2017-01-04 | 北京奇伦天佑创业投资有限公司 | Overlay film frame |
| CN107802376A (en) * | 2016-09-08 | 2018-03-16 | 先健科技(深圳)有限公司 | Overlay film frame and preparation method thereof |
| CN107242917B (en) * | 2017-07-05 | 2023-09-19 | 上海长海医院 | Stent graft |
| CN107242917A (en) * | 2017-07-05 | 2017-10-13 | 上海长海医院 | A kind of stent graft |
| CN108553202A (en) * | 2018-07-03 | 2018-09-21 | 上海交通大学医学院附属第九人民医院 | A kind of holder for treating Type B dissection of aorta |
| CN109700569A (en) * | 2018-12-28 | 2019-05-03 | 东莞先健畅通医疗有限公司 | Overlay film frame and preparation method thereof |
| CN109700568A (en) * | 2018-12-28 | 2019-05-03 | 东莞先健畅通医疗有限公司 | Overlay film frame |
| CN109700568B (en) * | 2018-12-28 | 2020-06-12 | 深圳市先健畅通医疗有限公司 | Covered stent |
| CN112618122A (en) * | 2019-09-24 | 2021-04-09 | 杭州唯强医疗科技有限公司 | Blood vessel stent and tectorial membrane stent thereof |
| CN112618122B (en) * | 2019-09-24 | 2024-04-19 | 杭州唯强医疗科技有限公司 | Vascular stent |
| CN110731834A (en) * | 2019-10-25 | 2020-01-31 | 郑州美港高科生物科技有限公司 | Iron-base alloy renal artery stent |
| CN113693680A (en) * | 2021-09-01 | 2021-11-26 | 南微医学科技股份有限公司 | Biliary stent |
| CN115381610A (en) * | 2022-10-27 | 2022-11-25 | 北京华脉泰科医疗器械股份有限公司 | Release method of covered stent and high-flexibility covered stent |
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