CN102743245A - Support opening type tubular vascular stent - Google Patents

Support opening type tubular vascular stent Download PDF

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Publication number
CN102743245A
CN102743245A CN 201110101713 CN201110101713A CN102743245A CN 102743245 A CN102743245 A CN 102743245A CN 201110101713 CN201110101713 CN 201110101713 CN 201110101713 A CN201110101713 A CN 201110101713A CN 102743245 A CN102743245 A CN 102743245A
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folded
post
rolled
tube
opening
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CN 201110101713
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Chinese (zh)
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陈启星
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陈启星
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Abstract

The invention relates to a support opening type tubular vascular stent, which is characterized in that high polymer materials or soft metals are made into a round tube capable of realizing the support opening. Before the operation, firstly, the round tube is flatly pressed and is rolled or folded in a direction parallel to the axial direction, the round tube is rolled and folded into a tight post body with the small diameter, the tight post body is called as a rolled and folded post, the rolled and folded post is plugged into a guide-in tube H with the inner diameter just greater than the diameter of the rolled and folded post, the rolled and folded post is sent to a target vessel through being guided by a guide wire D, the rolled and folded post is opened through supporting after being pushed out of the guide-in tube H, and the vascular stent is formed.

Description

撑开式管状血管支架 Distraction tubular vascular stents

[0001] 技术领域:本发明是一种血管支架,属于心血管病医疗器械范畴。 [0001] Technical Field: The present invention is a vascular stent, cardiovascular medical devices belonging to the category.

[0002] 背景技术:目前对于血管淤积物(粥样斑块)阻塞的治疗有一种血管支架的方法。 [0002] BACKGROUND: There stent method of sludge to the vessel (plaque) blocking treatment. 首先,导丝在影像设备的引导下插入到靶血管,然后导丝将血管支架导入到靶血管处,撑开靶血管以消除阻塞。 First, under the guidance of the guide wire is inserted into the target vessel imaging device, and then the guide wire to the target vascular stent introduced into the vessel, the expansion vessel to remove the blocked target. 血管支架为小金属杆构成的网状结构,可以收缩和撑开。 Vascular stent is a mesh structure formed of small metal rods, it can be contracted and stretched.

[0003] 发明目的:目前的金属血管支架无法做得很长、难以做成弯管状,且结构精细造价很高,为解决这些问题,本发明拟采用高分子材料或软金属做成管道,成为血管支架。 [0003] Objects of the invention: The current metallic vascular stents do not very long, it is difficult to make elbow-shaped, and the high cost of fine structure, to solve these problems, the present invention intends to use a polymer material or a soft pipe made of metal, become stent.

[0004] 发明原理描述: [0004] The principles of the invention will be described:

[0005] 撑开式管状血管支架是由高分子材料或软金属做成可撑开的圆管,在手术前,先将该圆管压扁并平行于轴向进行滚卷或折叠,卷折成很紧密的直径很小的柱体,称卷折柱,将卷折柱塞入一根内径刚好稍大于卷折柱直径的导入管H,卷折柱在导丝D的引导下被送达靶血管并被推出导入管H后,再将卷折柱撑开即成了血管支架。 [0005] Stents are tubular distraction can be spanned tube made of a polymer material or a soft metal, prior to surgery, prior flattening the tube and be parallel to the axial rolling or folding, turning very close to the small diameter of the column, said column turning, the turning of the plunger into an inner diameter just slightly larger than the inlet tube diameter H convolution column, turning the column is delivered at the guide wire D Release target vessel after introducing tube and H, and then turning the expansion column became i.e. vascular stent.

[0006] 为了使叙述简练,定义以下专用名词: [0006] In order to make the description concise, the following terminology is defined:

[0007] •卷折——将圆管压扁并平行于轴向进行滚卷或折叠; [0007] • turning - flattening the tube and be parallel to the axial rolling or folding;

[0008] •卷折柱——将圆管卷折后形成的很紧密的直径很小的柱体; [0008] • turning Column - very close to a small diameter of a cylinder formed after turning the tube;

[0009] •填装一将卷折柱塞入一根内径刚好稍大于卷折柱直径的导入管H ; [0009] • filling a plunger into a roll-folded just slightly larger than the inner diameter of the inlet tube diameter column convolution H;

[0010] •就位——卷折柱在导丝D的引导下被送达靶血管并被推出导入管H ; [0010] • position - turning the column is delivered at a target vessel of the guide wire and is introduced introducing tube D H;

[0011] •靶血管一血管被淤积物阻塞的待置入血管支架的位置; [0011] • target vessel is a vessel sludge blocking position thereof to be placed stent;

[0012] •高分子材料一对人体无害的橡胶、塑料,包括它们的编织物和压注成型物。 [0012] • the polymer material of one harmless rubber, plastics, including their braid and pressure injection molding thereof.

[0013] 实施例I :高分子材料网格囊式管状血管支架,简称网格式支架。 Polymer material mesh tubular balloon vascular stents, stent lattice Acronym: [0013] Example I embodiment.

[0014] 结构:图I. I是其撑开后的立体图,图I. 2是其撑开后垂直于轴向的截面图,内管B和外管A被粘接(或焊接)成网格状,AB2是其格状粘焊接线,使内管B和外管A之间形成很多小格子空间BA(以下简称液舱),都是可以容纳流体的小空间,液舱与液舱之间留有小通道Q1,当流体注入时可以保证充满每个液舱,内管B和外管A的两端为粘焊而成的密封线AB1,密封线上留一个注液口Q,是只能流入不能流出的单向注液口,外管A比内管B稍微长一点,留出一点裙边Al ; [0014] Structure: FIG. I. I is a perspective view of the distraction thereof, FIG. I. 2 after it is stretched perpendicular to the axial sectional view, the inner tube and the outer tube B A is bonded (or welded) laid trellis, AB2 its adhesive bonding wire lattice, a lattice space forming many small BA (hereinafter referred to as tank), can accommodate all the fluid in a small space between the inner tube and the outer tube B a, with the tanks of tank leaving a small passage between Q1, when filled with fluid injection ensures that each tank, both ends of the inner tube and the outer tube B is a seal lines AB1, the sealing line formed by weldbonding a leaving injection port Q, is only one-way flow into the liquid inlet can not flow out of the outer tube a B slightly longer than the inner tube, leaving a little skirt of Al;

[0015] 工作原理:在手术前没注入流体,先将该圆管卷折成卷折柱,有很多种卷折方法,包括图3的螺旋状卷折柱E、图4的平折叠状卷折柱F、图5的灯笼折叠状卷折柱G,统称卷折柱,将卷折柱填装,手术时使卷折柱就位后,再通过注液口Q注液,流体到达各个液舱后,卷折柱会膨胀成圆管状;裙边Al的作用是可以使端部与血管贴合得更好; [0015] The working principle: before surgery is not injected fluid, the first tube column volumes folded turning, turning there are many methods, including helical convolution FIG column E 3 and FIG. 4, the flat folded roll column F. off, turning lantern folded column G in FIG. 5, column collectively turning, turning the packed column, the column that the turning position, then the injection Q, the fluid reaches the respective liquid through the injection port during surgery after the compartment, expands turning into a circular column tube; Al skirt effect is that the end portion can be bonded to the blood vessel better;

[0016] 实施例2 :高分子材料条状囊式管状血管支架,简称条囊式支架。 Polymer material strip bladder tubular vascular stents, stent balloon article referred to: [0016] Example 2.

[0017] 结构:图2是其撑开后的立体图,其撑开后垂直于轴向的截面图与图I. 2相同,不过此时BA指的是条状囊,内管B和外管A被粘焊成虚线条状,AB3是其条状粘焊接线,使内管B和外管A之间形成很多小条形空间(以下简称液条),液条与液条之间留有小通道Q2,当流体注入时可以保证充满每个液条,AB1、Q、Al与实施例I相同; [0017] Structure: FIG. 2 is a perspective view of the distraction thereof, which is a cross-sectional view of the spreader perpendicular to the axial I. FIG 2 the same, but this time the balloon BA refers to a strip, the inner tube and the outer tube B A broken line is a strip welded sticky, adhesive strip which is AB3 weld line, forming many small stripe-shaped space (hereinafter referred to as liquid article) B between the inner tube and the outer tube A, was left between the strip and the strip was small channel Q2, when filled with fluid injection ensures that each strip solution, AB1, Q, Al the same as in Example I;

[0018] 工作原理与实施例I相同。 [0018] The operating principle employed in Example I.

[0019] 上述两个实施例中液舱和液条的注液为胶质流体,经过一段时间后就凝固。 [0019] The two above-described embodiment the injection fluid tank and the fluid gum of Example strip, after some time after solidification. 这类支架比较适合针对血管瘤的手术,因为用于血管瘤的支架,其目的是防止血管破裂,只需抵抗针对内壁的压力,另外,其血管也比较粗,占用多一点空间是允许的。 Such stents are more suitable for surgery hemangioma, because for hemangioma stent, which aims to prevent the rupture of blood vessels, just resist the pressure against the inner wall, in addition, that the vessel is relatively coarse, occupy little space is allowed.

[0020] 实施例3 :单体管式支架,支架就是由一根管子(图6)构成,包括以下三种 [0020] Example 3: single tubular stent, the stent is formed of a pipe (FIG. 6), comprises the following three

[0021] 实施例3. I :遇水膨胀式管状血管支架,简称水膨胀式支架。 Tubular vascular stents water-swellable, water-expandable stent referred to: [0021] Example 3. I embodiment.

[0022] 图6是其撑开后的立体图,采样遇水膨胀的高分子材料,因为遇水前管壁很薄且无张力,所以可以卷折和填装,手术时使卷折柱就位后,供给一些水或遇到血,管壁会膨胀而产生张力,撑开成管状C。 [0022] FIG. 6 is a perspective view of the expansion thereof, the sample water-swellable polymer material, because the water before the wall is thin and without tension, and turning can be filled, so that turning the column in place during surgery after some of the water or experiencing blood supply, and a tension wall expands, the expansion tubular C.

[0023] 实施例3. 2 :软金属单管式支架。 Single-tube soft metal stent: [0023] 3.2 Example embodiment.

[0024] 图6是其撑开后的立体图,本发明特指的“软金属”泛指有较好的塑性和一定的抗压强度的金属及合金,包括金银铜钼等金属及其合金,因为塑性好,所以可以卷折和填装,手术时使卷折柱就位后,卷折柱就位后,在撑开器的作用下,撑开成管状C ;因为软金属有一定的抗压强度,所以只要撑开成为了管状,就可以抵抗血管的收缩力,不会被压扁。 [0024] FIG. 6 is a perspective view of the expansion thereof, the present invention is especially "soft metal" refers to a certain plasticity and better compressive strength metals and alloys, including gold, silver and molybdenum and alloys thereof because the plastic, and turning can be filled, so that after turning the column in position, turning the column in position, under the action of the distraction device, surgery distraction tubular C; for certain soft metals compressive strength, so long as to become a distraction tubular, can resist the force of contraction of blood vessels, it will not be crushed.

[0025] 实施例3. 3 :高分子单管式支架。 [0025] Example 3.3: Polymer Single-tube holder.

[0026] 与实施例3. 2相同,仅仅是用具有一定弹性、可曲性和抗压强度的高分子材料取代了软金属,因为可曲性好,所以可以卷折和填装,手术时使卷折柱就位后,在撑开器的作用下,撑开成管状C ;因为有一定的弹性和抗压强度,所以只要撑开成为了管状,就可以抵抗血管的收缩力,不会被压扁。 [0026] The same as in Example 3.2, using only a certain elasticity, and a polymer material can be curved compressive strength of the soft metal substituted, may be curved as good, and turning can be filled, when surgery after allowing the column turning position, under the action of the distraction device, in a tubular distraction C; because a degree of elasticity and compressive strength, so long as the tube becomes softened, can resist the force of contraction of blood vessels, not crushed.

[0027] 实施例4 :钢丝笼式撑开器 [0027] Example 4: Wire cage distractor

[0028] 图7是其撑开前的示意图,撑力钢丝M与拉力钢丝N在顶端进行焊接,焊点为L ;卷折柱就位后,将撑开器插入单管式支架中,向右拉扯拉力钢丝N并顶住顶力管M1,撑力钢丝M就会径向向外撑开成灯笼状(图8),一段一段的插入和撑开,最后将单管式支架全部撑开。 [0028] FIG. 7 is a schematic view before the expansion thereof, the force supporting the tension steel wire M N of the welding at the top pad is L; column position after turning, the distractor inserted into a single tube holder, to pulling pull wire N and the right against the top of the tubing M1, M wire support force will be stretched radially outwardly to a lantern shape (FIG. 8), a section of the distraction and insertion, and finally all the single-tube stent distraction .

[0029] 实施例4:液胀式撑开器 [0029] Example 4: liquid expansion distractor

[0030]图9是其撑开后的立体图,其膨胀头P在膨胀前与液压管R—样粗,当卷折柱就位后,将膨胀头P插入单管式支架中,由液压管R向膨胀头P注液加压,使膨胀头P胀大而撑开单管式支架。 [0030] FIG. 9 is a perspective view of the distraction thereof, it expands the hydraulic head pipe P comp crude R- before expansion, when turning the column position, the expanded head P is inserted single-tube holder, by the hydraulic tube P R pressurizing the liquid injection head expander, the expanded and inflated distraction head P single-tube holder.

附图说明 BRIEF DESCRIPTION

[0031] 图I. I是高分子材料网格囊式管状血管支架撑开后的立体图。 [0031] FIG Formula I. I is a perspective view of the balloon a tubular blood vessel stent mesh stretched polymer material. 标号有:内管B、外管A、格状粘焊接线AB2、液舱通道Q1、密封线AB1、注液口Q、裙边Al ; Reference numeral are: B inner tube, an outer tube A, adhesive bonding wire lattice AB2, tank passage Q1, the seal lines AB1, injection port Q, skirt of Al;

[0032] 图I. 2是高分子材料网格囊式管状血管支架撑开后垂直于轴向的截面图。 [0032] FIG. I. 2 is a sectional view of the tubular polymer material mesh pocket perpendicular to the axial blood vessel stent of the expansion. 液舱BA。 Tanks BA.

[0033] 图2是高分子材料条状囊式管状血管支架撑开后的立体图。 [0033] FIG. 2 is a perspective view of a strip of polymer material bladder tubular vascular stent distraction. 条状粘焊接线AB3、条舱通道Q2。 Adhesive strip weld line AB3, article cabin passage Q2.

[0034] 图3是螺旋状卷折柱E的示意图。 [0034] FIG. 3 is a schematic view of the helical convolution column E. 导入管H、导丝D、螺旋状卷折柱E。 Introducing tube H, the guide wire D, helical turning column E.

[0035] 图4是平折叠状卷折柱F的示意图。 [0035] FIG. 4 is a schematic view of a flat folded column F is turning. 导入管H、导丝D、平折叠状卷折柱F。 Introducing tube H, the guide wire D, the roll-folded flat folded column F.

[0036] 图5的灯笼折叠状卷折柱G的示意图。 Lantern [0036] FIG. 5 is a schematic view of the folding of the roll-folded G column shape. 导入管H、导丝D、灯笼折叠状卷折柱G。 Introducing tube H, the guide wire D, the roll-folded folded lantern column G.

[0037] 图6是单体管式支架撑开后的立体图。 [0037] FIG. 6 is a perspective view of a tubular stent monomer distraction. 撑开后的管状C。 After the expansion of the tubular C.

[0038] 图7是钢丝笼式撑开器撑开前的示意图。 [0038] FIG. 7 is a schematic diagram of the wire cage front distraction distraction. 撑力钢丝M、拉力钢丝N、焊点L、顶力管Ml。 Wire support force M, the tension wire N, solder L, the top of the tubing Ml.

[0039] 图8是钢丝笼式撑开器撑开后的示意图。 [0039] FIG. 8 is a schematic view of the wire cage distraction distraction.

[0040] 图9是液胀式撑开器撑开器撑开后的立体图。 [0040] FIG. 9 is a perspective view of a liquid expansion distraction distraction distraction. 膨胀头P、液压管R。 Swollen head P, hydraulic pipe R.

Claims (10)

  1. 1. 一种撑开式管状血管支架,其特征是:该支架是由高分子材料或软金属做成可撑开的圆管,在手术前,先把该圆管压扁并平行于轴向卷折成很紧密的直径很小的卷折柱,将卷折柱塞入一根内径刚好稍大于卷折柱直径的导入管H,卷折柱在导丝D的引导下被送达靶血管并被推出导入管H,再将卷折柱撑开即成了血管支架。 A distraction tubular blood vessel stent, wherein: the stent is made can be stretched tube is a polymer material or a soft metal, prior to surgery, the first tube and parallel to the axial collapse volume folded very close very small diameter turning column, turning the plunger into an inner diameter just slightly larger than the inlet tube diameter H convolution column, turning the column is delivered at a target vessel of the guide wire D Release introducing tube and H, and then turning the expansion column became i.e. vascular stent. 为了使叙述简练,定义以下专用名词: •卷折——将圆管压扁并平行于轴向进行滚卷或折叠; •卷折柱——将圆管卷折后形成的很紧密的直径很小的柱体; •填装一将卷折柱塞入一根内径刚好稍大于卷折柱直径的导入管H ; •就位——卷折柱在导丝D的引导下被送达靶血管并被推出导入管H ; To make the description concise, the following terminology is defined: • turning - flattening the tube and be parallel to the axial rolling or folding; • turning Column - very close to the diameter of the pipe formed after turning it small cylinder; • filling a plunger into a roll-folded just slightly larger than the inner diameter of the inlet tube diameter column convolution H; • position - turning the column is delivered at a target vessel of the guide wire D Release introducing tube and H;
  2. 2.根据权利要求I所述的撑开式管状血管支架,其进一步的特征是:高分子材料网格囊式管状血管支架,其内管B和外管A被粘焊接成网格状,使内管B和外管A之间形成很多液舱BA,都是可以容纳流体的小空间,液舱与液舱之间留有小通道Q1,当流体注入时可以保证充满每个液舱,内管B和外管A的两端为粘焊而成的密封线AB1,密封线上留一个注液口Q,是只能流入不能流出的单向注液口,外管A比内管B稍微长一点,留出一点裙边Al ;其工作原理是:在手术前没注入流体,先将该圆管卷折和填装,手术时使卷折柱就位后,再通过注液口Q注液,流体到达各个液舱后,卷折柱会膨胀成圆管状;裙边Al的作用是可以使端部与血管贴合得更好; The softened tubular blood vessel stent according to claim I, further characterized in that: the polymer material mesh tubular vascular stent balloon, the inner tube and the outer tube B adherend A welded lattice, so that many tanks BA is formed between the inner tube and the outer tube B a, is a small space that can accommodate a fluid, leaving a small passage between Q1 tanks and tanks, when filled with fluid injection ensures that each tank, the both ends of the tube and the outer tube B a is formed by weldbonding seal lines AB1, leaving a line of sealing injection port Q, it is not only flows one-way outflow of the liquid inlet, an outer tube a slightly longer than the inner pipe B point, leaving little skirt of Al; its working principle is: no injection fluid prior to surgery, the first turning pipe and filling the column in place after surgery turning, then through the injection port injection Q after the fluid reaches the respective tanks, turning into circularly expands the tubular column; the role of Al is that the skirt end portion and vascular better fit;
  3. 3.根据权利要求I所述的撑开式管状血管支架,其进一步的特征是:卷折柱的形成有很多种卷折方法,包括图3的螺旋状卷折柱E、图4的平折叠状卷折柱F、图5的灯笼折叠状卷折柱G。 According to claim softened tubular blood vessel stent of claim I, further characterized in that: forming a turning column turning There are many methods, including helical convolution FIG column E 3 and FIG. 4 is folded flat shaped turning column F, lantern folded convolution column of FIG. 5 G.
  4. 4.根据权利要求I所述的撑开式管状血管支架,其进一步的特征是:高分子材料条状囊式管状血管支架,内管B和外管A被粘焊成虚线条状,使内管B和外管A之间形成很多小条形空间,简称液条,液条与液条之间留有小通道Q2,当流体注入时可以保证充满每个液条,流体到达各个液条后,卷折柱会膨胀成圆管状; The softened tubular blood vessel stent according to claim I, further characterized in that: the polymer material strip bladder tubular vascular stent, the inner tube and the outer tube B is A dashed weldbonding strip, the inner after the pipe B is formed between the outer tube and the strip A much smaller space, referred to as liquid strips, leaving a small fluid passage between the strip and the fluid Q2 article, ensures that when the fluid injection liquid filled each item, each of the liquid fluid reaches the article , expands turning into a circular column tube;
  5. 5.根据权利要求I所述的撑开式管状血管支架,其进一步的特征是:遇水膨胀式管状血管支架,采样遇水膨胀的高分子材料,因为遇水前管壁很薄且无张力,所以可以卷折和填装,手术时使卷折柱就位后,供给一些水或遇到血,管壁会膨胀而产生张力,撑开成管状C。 The softened tubular blood vessel stent according to claim I, further characterized in that: tubular vascular stents water-swellable, water-swellable polymer material sample, because the front wall is thin and tension-free water , and turning can be filled, so that after turning the column in place, some of the water or experiencing blood supply, the wall expands when a tension surgery, distraction tubular C.
  6. 6.根据权利要求I所述的撑开式管状血管支架,其进一步的特征是:软金属单管式支架,软金属泛指有较好的塑性和一定的抗压强度的金属及合金,包括金银铜钼等金属及其合金,因为塑性好,所以可以卷折和填装,手术时使卷折柱就位后,在撑开器的作用下,撑开成管状C ;因为软金属有一定的抗压强度,所以只要撑开成为了管状,就可以抵抗血管的收缩力,不会被压扁。 The softened tubular blood vessel stent according to claim I, further characterized in that: a single soft metal tube stent, refers to a soft metal must have good plasticity and compressive strength of metals and alloys, comprising molybdenum, gold, silver and other metals and alloys, because the plastic, and can be filled turning the column after turning position, under the action of the distraction device, surgery distraction tubular C; for soft metals certain compressive strength, so long as to become a distraction tubular, can resist the force of contraction of blood vessels, it will not be crushed.
  7. 7.根据权利要求I所述的撑开式管状血管支架,其进一步的特征是:高分子单管式支架,采用具有一定弹性、可曲性和抗压强度的高分子材料,因为可曲性好,所以可以卷折和填装,手术时使卷折柱就位后,在撑开器的作用下,撑开成管状C ;因为有一定的弹性和抗压强度,所以只要撑开成为了管状,就可以抵抗血管的收缩力,不会被压扁。 The softened tubular blood vessel stent according to claim I, further characterized in that: single-tube holder polymer used has some flexibility, a polymer material may be bent and compressive strength, can be curved because of good, and turning can be filled, so that after turning the column position, under the action of the distraction device, surgery distraction tubular C; for a degree of elasticity and compressive strength, it becomes softened so long tubular, it can resist the force of contraction of blood vessels, they are not compressed.
  8. 8.根据权利要求I所述的撑开式管状血管支架,其进一步的特征是:钢丝笼式撑开器,撑力钢丝M与拉力钢丝N在顶端进行焊接,焊点为L ;卷折柱就位后,将撑开器插入单管式支架中,向右拉扯拉力钢丝N并顶住顶力管Ml,撑力钢丝M就会径向向外撑开成灯笼状,一段一段的插入和撑开,最后将单管式支架全部撑开。 According to claim softened tubular blood vessel stent of claim I, further characterized in that: the expansion wire cage, a supporting force of the tension steel wires M and N are welded at the top pad is L; turning column after place, the distractor inserted into a single tube holder, a wire pulling force N to the right and against the top edge of Ml pipe, wire M will support force radially outwardly into the expansion lantern shape, and insertion of a section distraction, and finally all of the single-tube stent distraction.
  9. 9.根据权利要求I所述的撑开式管状血管支架,其进一步的特征是:液胀式撑开器,其膨胀头P在膨胀前与液压管R —样粗,当卷折柱就位后,将膨胀头P插入单管式支架中,由液压管R向膨胀头P注液加压,使膨胀头P胀大而撑开单管式支架。 9. The softened tubular blood vessel stent according to claim I, further characterized in that: the stretcher liquid expansion, it expands prior to expansion of the first P hydraulic line R - like rough, off the column in position when the roll after the expansion of the head P is inserted single-tube holder, to the expansion chip P is pressurized by the injection hydraulic pipe R, P inflated and the inflation head softened single-tube holder.
  10. 10.根据权利要求I所述的撑开式管状血管支架,其进一步的特征是:液舱和液条中的注液为胶质流体,经过一段时间后就凝固。 10. The softened tubular blood vessel stent according to claim I, further characterized in that: the tank and the liquid injection strips glial fluid, elapsed period of time after solidification.
CN 201110101713 2011-04-22 2011-04-22 Support opening type tubular vascular stent CN102743245A (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1787793A (en) * 2003-03-19 2006-06-14 先进生物假体表面有限公司 Endoluminal stent having mid-interconnecting members
CN101578078A (en) * 2006-11-22 2009-11-11 印斯拜尔Md有限公司 Optimized stent jacket

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1787793A (en) * 2003-03-19 2006-06-14 先进生物假体表面有限公司 Endoluminal stent having mid-interconnecting members
CN101578078A (en) * 2006-11-22 2009-11-11 印斯拜尔Md有限公司 Optimized stent jacket

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