CN106038010B - One cardiovascular artery stenting - Google Patents

One cardiovascular artery stenting Download PDF

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CN106038010B
CN106038010B CN 201610335723 CN201610335723A CN106038010B CN 106038010 B CN106038010 B CN 106038010B CN 201610335723 CN201610335723 CN 201610335723 CN 201610335723 A CN201610335723 A CN 201610335723A CN 106038010 B CN106038010 B CN 106038010B
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connecting
parts
member
annular body
annular
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CN106038010A (en )
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刘歆
魏现娟
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刘歆
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一种心血管动脉支架,包括多个环状体和所述多个用于连接所述环状体的连接部件,连接部件和环状体包覆有涂层,环状体具有多个沿环均匀分布的三角形筋梁,连接部件具有V形连接杆,连接杆端部具有用于连接环状体的螺旋扣,V形连接杆设计保证了心血管动脉支架具有一定的柔性,端部的扣子使得分离更加方便;三角形筋梁可以既减轻了支架的质量又保证了环状体的强度,涂层材料提高支架的相容性耐腐蚀性并且抑制疤痕组织生长。 One cardiovascular arterial stent comprising a plurality of said annular body and a plurality of connecting members for connecting the annular member, the connecting member and the annular member is coated with a coating member having a plurality of annular rings along beams evenly distributed triangular, V-shaped connecting member having a connecting rod, the connecting rod having a connecting end portion of the turnbuckle annular body, the V-shaped connecting rod arterial cardiovascular stent design ensures a certain flexibility, the end portions of the buttons convenient way of separation; triangular reinforcement beam can only reduce the quality of the stent and ensure the strength of the annular body, the coating material to improve the compatibility and corrosion inhibiting scar tissue scaffold growth.

Description

一种心血管动脉支架 One cardiovascular artery stenting

技术领域 FIELD

[0001]本发明涉一种心血管动脉支架,属于心血管技术领域。 [0001] The present invention relates to one cardiovascular arterial stents, cardiovascular technical field belongs.

背景技术 Background technique

[0002]目前,冠状动脉疾病是心血管疾病中最常见的疾病,也是死亡率和发病率较高的疾病,其主要原因是动脉粥样硬化导致的血管狭窄。 [0002] Currently, coronary artery disease is the most common cardiovascular disease is high morbidity and mortality, mainly due to atherosclerosis of vascular stenosis caused. 治疗冠状动脉疾病最常用的方法是利用球囊打开血管狭窄,然后永久性放置金属支撑材料,即众所周知的支架。 Treatment of coronary artery disease is the most common way to open the stenosis with a balloon, and then placing a permanent metal support material, known as a stent. 然而支架置入术后内膜的过度增生会导致再狭窄的发生,单纯裸支架再狭窄的发生率可达10-30%,故冠状动脉支架置入术后再狭窄一直是冠心病介入治疗研究中的重中之重,其中以冠脉内支架涂层的研究尤为突出。 However, after the stent placement intimal hyperplasia can lead to restenosis, restenosis rates of up to 10-30% pure bare-metal stents, coronary stent after it has been the treatment of restenosis of coronary intervention top priority, to study the coronary stent wherein the coating is particularly prominent.

发明内容 SUMMARY

[0003] 一种心血管动脉支架,包括多个环状体和所述多个用于连接所述环状体的连接部件,连接部件和环状体包覆有涂层,环状体具有多个沿环均匀分布的三角形筋梁,连接部件具有V形连接杆,连接杆端部具有用于连接环状体的螺旋扣, [0003] A cardiovascular arterial stent comprising a plurality of said annular body and a plurality of connecting members for connecting the annular member, the connecting member and the annular member is coated with a coating having a plurality of annular body uniformly distributed along the ring a triangular reinforcement beam, the connecting member having a V-shaped connecting rod, the connecting rod end portion has a turnbuckle connecting the annular body,

[0004] 连接部件为铜基合金材料,其元素组成为(质量百分比):Cr 12-13%,Sn 4-5%,Zn 2-3%, Mo 0.5-0.6%, Mg 0.3-0.4%,Fe 0.1-0.2%,NiO.08-0.09%, B 0.08-0.09%,Nd 0 • 05-0 • 06%,Ga 0 • 04-0 • 05%,CaO • 02-0 • 03%,余量为Cu, [0004] The connecting member is a copper-based alloy material having elemental composition (percent by mass): Cr 12-13%, Sn 4-5%, Zn 2-3%, Mo 0.5-0.6%, Mg 0.3-0.4%, Fe 0.1-0.2%, NiO.08-0.09%, B 0.08-0.09%, Nd 0 • 05-0 • 06%, Ga 0 • 04-0 • 05%, CaO • 02-0 • 03%, the balance as Cu,

[0005] 环状体为钛基合金材料,其元素组成为(质量百分比):Cr 7-8%,Si 4-5%,Zn 5-6%, B 1-2%,V 0.8-0.9%, Zr 0.7-0.8%, Bi 0.2-0.3%, Ag 0.2-0.3%,MgO.1-0.2%, La 0.08-0.09%,Y 0.04-0.05%,Nb0.06-0.07%,余量为Ti, [0005] The annular body is a titanium-based alloy material having elemental composition (percent by mass): Cr 7-8%, Si 4-5%, Zn 5-6%, B 1-2%, V 0.8-0.9% , Zr 0.7-0.8%, Bi 0.2-0.3%, Ag 0.2-0.3%, MgO.1-0.2%, La 0.08-0.09%, Y 0.04-0.05%, Nb0.06-0.07%, the balance being Ti,

[0006] 涂层包括以下质量份数组分:碳化硼20_3〇份,氧化镍10-20份,六硼化钙7-8份,氧化铝1 -2份,碳化铌0. 7-0.8份,二硅化钼0.5-0.6份。 [0006] parts by mass of the coating comprising the components: 20_3〇 parts of boron carbide, nickel oxide, 10-20 parts of calcium hexaboride parts 7-8, 1-2 parts aluminum oxide, niobium carbide 0. 7-0.8 parts, 0.5-0.6 parts of molybdenum disilicide.

[0007]所述的一种心血管动脉支架,连接部件为铜基合金材料,其元素组成为(质量百分bt):Cr 12%,Sn 4%, Zn 2%, Mo 0.5%, Mg 0.3%,Fe 0.l%,Ni〇.08%, B 0.08%,Nd 0.05%, Ga 0.04%,CaO.02%,余量为Cu。 One cardiovascular Stent [0007], wherein the connecting member is a copper-based alloy material having elemental composition (mass percent bt): Cr 12%, Sn 4%, Zn 2%, Mo 0.5%, Mg 0.3 %, Fe 0.l%, Ni〇.08%, B 0.08%, Nd 0.05%, Ga 0.04%, CaO.02%, the balance being Cu.

[0008] 所述的一种心血管动脉支架,连接部件为铜基合金材料,其元素组成为(质量百分比):Cr 12.5%,Sn 4.5%, Zn 2.5%, Mo 0.55%, Mg 0.35%,Fe 0.15%,Ni0.085%, B 0.085%,Nd 0.055%,Ga 0.045%,CaO.025%,余量为Cu。 One cardiovascular Stent [0008], wherein the connecting member is a copper-based alloy material having elemental composition (percent by mass): Cr 12.5%, Sn 4.5%, Zn 2.5%, Mo 0.55%, Mg 0.35%, Fe 0.15%, Ni0.085%, B 0.085%, Nd 0.055%, Ga 0.045%, CaO.025%, the balance being Cu.

[0009] 所述的一种心血管动脉支架,连接部件为铜基合金材料,其元素组成为(质量百分比):Cr 13%,Sn 5%,Zn 3%,Mo 0.6%,Mg 0.4%,Fe 0.2%,Ni 〇.〇9%,B 0.09%,Nd 0.06%, Ga 0.05%,Ca 0.03%,余量为Cu。 One cardiovascular Stent [0009], wherein the connecting member is a copper-based alloy material having elemental composition (percent by mass): Cr 13%, Sn 5%, Zn 3%, Mo 0.6%, Mg 0.4%, Fe 0.2%, Ni 〇.〇9%, B 0.09%, Nd 0.06%, Ga 0.05%, Ca 0.03%, the balance being Cu.

[0010]所述的一种心血管动脉支架,环状体为钛基合金材料,其元素组成为(质量百分比):Cr 7%,Si 4%,Zn 5%,B 1%,V 0.8%,Zr 0-7%,Bi 0.2%,Ag 0-2%,Mg0.1%,La 0.08%,Y 0.04%,Nb0.06%,余量为Ti。 One cardiovascular Stent [0010], wherein the annular body is a titanium-based alloy material having elemental composition (percent by mass): Cr 7%, Si 4%, Zn 5%, B 1%, V 0.8% , Zr 0-7%, Bi 0.2%, Ag 0-2%, Mg0.1%, La 0.08%, Y 0.04%, Nb0.06%, the balance is Ti.

[0011] 所述的一种心血管动脉支架,环状体为钛基合金材料,其元素组成为(质量百分比):Cr 8%,Si 5%,Zn 6%,B 2%,V 0.9%,Zr 0.8%,Bi 0.3%,Ag 〇.3%,Mg 0.2%,La 0.09%,Y 0.05%,Nb 0.07%,余量为Ti。 One cardiovascular Stent [0011], wherein the annular body is a titanium-based alloy material having elemental composition (percent by mass): Cr 8%, Si 5%, Zn 6%, B 2%, V 0.9% , Zr 0.8%, Bi 0.3%, Ag 〇.3%, Mg 0.2%, La 0.09%, Y 0.05%, Nb 0.07%, the balance is Ti.

[0012]所述的一种心血管动脉支架,环状体为钛基合金材料,其元素组成为(质量百分比):Cr 7.5%,Si 4.5%,Zn 5.5%,B 1.5%,V 0.85%,Zr 0.75%,Bi 0.25%,Ag 0.25%, Mg0.15%,La 0.085%,Y 0.045%,Nb0.065%,余量为Ti。 One cardiovascular Stent [0012], wherein the annular body is a titanium-based alloy material having elemental composition (percent by mass): Cr 7.5%, Si 4.5%, Zn 5.5%, B 1.5%, V 0.85% , Zr 0.75%, Bi 0.25%, Ag 0.25%, Mg0.15%, La 0.085%, Y 0.045%, Nb0.065%, the balance is Ti.

[0013]所述的一种心血管动脉支架,涂层包括:碳化硼20份,氧化镍10份,六硼化钙7份, 氧化铝1份,碳化铌〇. 7份,二硅化钼0 • 5份。 One cardiovascular Stent [0013], wherein the coating comprises: 20 parts of boron carbide, 10 parts of nickel oxide, 7 parts of calcium hexaboride, 1 part of alumina, 7 parts of niobium carbide square, molybdenum disilicide 0. • 5 copies.

[0014] 所述的一种心血管动脉支架,涂层包括:碳化硼30份,氧化镍20份,六硼化钙8份, 氧化铝2份,碳化铌0.8份,二硅化钼0.6份。 One cardiovascular Stent [0014], wherein the coating comprises: 30 parts of boron carbide, nickel oxide, 20 parts of calcium hexaboride 8 parts, 2 parts alumina, 0.8 parts of niobium carbide, molybdenum disilicide 0.6 parts.

[0015]所述的一种心血管动脉支架,涂层包括:碳化硼25份,氧化镲15份,六硼化钙7.5 份,氧化铝1 • 5份,碳化铌0.75份,二硅化钼0 • 55份。 One cardiovascular Stent [0015], wherein the coating comprises: 25 parts of boron oxide, 15 parts of cymbals, 7.5 parts of calcium hexaboride, 1 • 5 parts of alumina, 0.75 parts of niobium carbide, molybdenum disilicide 0 • 55 copies.

[0016]述发明内容相对于现有技术的有益效果在于:1)环状体使用钛合金保证了其强度需要,连接部件使用铜基合金其具有一定弹性和韧性保证形状的稳定性;2)本发明心血管动脉支架采用连接部件和环状体分体结构保证了支架的支撑性又保证了其与血管的顺,并且还可以根据需要方便的调整长度;3)V形连接杆设计保证了心血管动脉支架具有一定的柔性,端部的扣子使得分离更加方便;4)三角形筋梁可以既减轻了支架的质量又保证了环状体的强度,5)涂层材料提高支架的相容性耐腐蚀性并且抑制疤痕组织生长。 [0016] Summary of the invention described with respect to the prior art is that the beneficial effects: 1) the use of an annular member to ensure its required strength titanium alloy, copper-based alloy using the connecting member which has a certain elasticity and toughness to ensure the shape stability; 2) cardiovascular arterial stents of the present invention uses the connecting member and a separate annular body supporting structure ensures the stent and ensure its cis and blood vessels, and can also easily adjust the length; 3) V-shaped design ensures that the connecting rod arterial cardiovascular stent having a certain flexibility, the end portion of the buttons so that the separation is more convenient; 4) triangular reinforcement beam can only reduce the quality of the stent and ensure the strength of the annular body, 5) a coating material to improve the compatibility of the stent corrosion resistance and to suppress the growth of scar tissue.

附图说明 BRIEF DESCRIPTION

[0017] 图1为心血管动脉支架示意图; [0017] FIG. 1 is a schematic diagram of the cardiovascular arterial stents;

[0018] 图2为连接部件示意图; [0018] FIG. 2 is a schematic view of the connection member;

[0019] 图3为环状体示意图。 [0019] FIG. 3 is a schematic view of an annular body.

具体实施方式 detailed description

[0020] 为了对本发明的技术特征、目的和效果有更加清楚的理解,现详细说明本发明的 [0020] For the technical characteristics of the invention, the objects and effects more clearly understood, the present invention will now be described in detail

具体实施方式。 detailed description.

[0021] 如图1-3所示一种心血管动脉支架,包括多个环状体1和所述多个用于连接所述环状体的连接部件2,环状体具有多个沿环均匀分布的三角形筋梁3,连接部件具有V形连接杆4,连接杆端部具有用于连接环状体的螺旋扣5, [0021] As shown in FIG. 1-3 one cardiovascular arterial stents, comprising a plurality of annular body 1 and the plurality of connecting members for connecting the annular body 2, having a plurality of annular rings along beams evenly distributed triangles 3, the connecting member having a V-shaped connecting rod 4, having a connecting rod for connecting the end portion of the turnbuckle annular body 5,

[0022] 连接部件和环状体使用精密铸造方法制造, [0022] The connecting member and the annular member manufacturing method using precision casting,

[0023] 环状体上还包括使环状体和连接杆端部扣件相连的配合部件(附图未示出), On [0023] the body further comprises an annular fitting member and the annular body portion connected to the rod ends, fasteners (not shown in the drawings),

[0024] 实施例1 [0024] Example 1

[0025] 一种心血管动脉支架,包括多个环状体和所述多个用于连接所述环状体的连接部件,连接部件和环状体包覆有涂层,环状体具有多个沿环均匀分布的三角形筋梁,连接部件具有V形连接杆,连接杆端部具有用于连接环状体的螺旋扣, [0025] A cardiovascular arterial stent comprising a plurality of said annular body and a plurality of connecting members for connecting the annular member, the connecting member and the annular member is coated with a coating having a plurality of annular body uniformly distributed along the ring a triangular reinforcement beam, the connecting member having a V-shaped connecting rod, the connecting rod end portion has a turnbuckle connecting the annular body,

[0026] 连接部件为铜基合金材料,其元素组成为(质量百分比):Cr 12%,Sn 4%,Zn 2%, Mo 0_6%,Mg 0.4%,Fe 0.1%,Ni0_09%,B 0.08%,Nd 0_06%,Ga 0_04%,Ca0.03%,余量为Cu, [0026] connection member is a copper-based alloy material having elemental composition (percent by mass): Cr 12%, Sn 4%, Zn 2%, Mo 0_6%, Mg 0.4%, Fe 0.1%, Ni0_09%, B 0.08% , Nd 0_06%, Ga 0_04%, Ca0.03%, the balance being Cu,

[0027] 环状体为钛基合金材料,其元素组成为(质量百分比):Cr 7%,Si 4%,Zn 6%,B 2%,V 0.8%,Zr 0.7%,Bi 0.2%,Ag 0.3%,Mg0.2%,La 0.08%,Y 0_05%,Nb0.06%,余量为Ti, [0027] The annular body is a titanium-based alloy material having elemental composition (percent by mass): Cr 7%, Si 4%, Zn 6%, B 2%, V 0.8%, Zr 0.7%, Bi 0.2%, Ag 0.3%, Mg0.2%, La 0.08%, Y 0_05%, Nb0.06%, the balance being Ti,

[0028] 涂层包括:碳化硼20份,氧化镍10份,六硼化钙8份,氧化铝2份,碳化铌0 • 7份,二硅化钼0.5份。 [0028] The coating comprises: 20 parts of boron carbide, 10 parts of nickel oxide, 8 parts of calcium hexaboride, 2 parts of aluminum oxide, niobium carbide 0 • 7 parts, 0.5 parts of molybdenum disilicide.

[0029] 实施例2 [0029] Example 2

[0030] 一种心血管动脉支架,包括多个环状体和所述多个用于连接所述环状体的连接部件,连接部件和环状体包覆有涂层,环状体具有多个沿环均匀分布的三角形筋梁,连接部件具有V形连接杆,连接杆端部具有用于连接环状体的螺旋扣, [0030] A cardiovascular arterial stent comprising a plurality of said annular body and a plurality of connecting members for connecting the annular member, the connecting member and the annular member is coated with a coating having a plurality of annular body uniformly distributed along the ring a triangular reinforcement beam, the connecting member having a V-shaped connecting rod, the connecting rod end portion has a turnbuckle connecting the annular body,

[0031] 连接部件为铜基合金材料,其元素组成为(质量百分比):Cr 13%,Sn 5%,Zn 3%, Mo 0.5%,Mg 〇.4%,Fe 0_l%,Ni0.09%,B 0_09%,Nd 0_06%,Ga 0_05%,Ca0.02%,余量为cu, [0031] connection member is a copper-based alloy material having elemental composition (percent by mass): Cr 13%, Sn 5%, Zn 3%, Mo 0.5%, Mg 〇.4%, Fe 0_l%, Ni0.09% , B 0_09%, Nd 0_06%, Ga 0_05%, Ca0.02%, the balance being cu,

[0032] 环状体为钛基合金材料,其元素组成为(质量百分比):Cr 8%,Si 5%,Zn 6%,B 2%,V 0.9%,Zr 0.8%,Bi 0.2%,Ag 0.3%,Mg0.2%,La 0.09%,Y 0.05%,他0.06%,余量为Ti, [0032] The annular body is a titanium-based alloy material having elemental composition (percent by mass): Cr 8%, Si 5%, Zn 6%, B 2%, V 0.9%, Zr 0.8%, Bi 0.2%, Ag 0.3%, Mg0.2%, La 0.09%, Y 0.05%, 0.06% he and the balance of Ti,

[0033] 涂层包括:碳化硼20份,氧化镍20份,六硼化钙7份,氧化铝2份,碳化铌0.8份,二娃化钼0.6份。 [0033] The coating comprises: 20 parts of boron carbide, nickel oxide, 20 parts of calcium hexaboride 7 parts, 2 parts alumina, 0.8 parts of niobium carbide, molybdenum Erwa 0.6 parts.

[0034] 实施例3 [0034] Example 3

[0035] 一种心血管动脉支架,包括多个环状体和所述多个用于连接所述环状体的连接部件,连接部件和环状体包覆有涂层,环状体具有多个沿环均匀分布的三角形筋梁,连接部件具有V形连接杆,连接杆端部具有用于连接环状体的螺旋扣, [0035] A cardiovascular arterial stent comprising a plurality of said annular body and a plurality of connecting members for connecting the annular member, the connecting member and the annular member is coated with a coating having a plurality of annular body uniformly distributed along the ring a triangular reinforcement beam, the connecting member having a V-shaped connecting rod, the connecting rod end portion has a turnbuckle connecting the annular body,

[0036] 连接部件为铜基合金材料,其元素组成为(质量百分比):Cr 12.5%,Sn 4.5%,Zn 2.5%, Mo 0_55%, Mg 0_35%,Fe 0.15%,Ni0.085%, B 0.085%,Nd 0.055%,Ga 0.045%, Ca0.025%,余量为Cu, [0036] The connecting member is a copper-based alloy material having elemental composition (percent by mass): Cr 12.5%, Sn 4.5%, Zn 2.5%, Mo 0_55%, Mg 0_35%, Fe 0.15%, Ni0.085%, B 0.085%, Nd 0.055%, Ga 0.045%, Ca0.025%, the balance being Cu,

[0037] 环状体为钛基合金材料,其元素组成为(质量百分比):Cr 7.5%,Si 4.5%,Zn 5.5%, B 1.5%,V 0.85%, Zr 0.75%, Bi 0.25%, Ag 0.25%,MgO.15%, La 0.085%, Y 0.045%,Nb0.065%,余量为Ti, [0037] The annular body is a titanium-based alloy material having elemental composition (percent by mass): Cr 7.5%, Si 4.5%, Zn 5.5%, B 1.5%, V 0.85%, Zr 0.75%, Bi 0.25%, Ag 0.25%, MgO.15%, La 0.085%, Y 0.045%, Nb0.065%, the balance being Ti,

[0038]涂层包括:碳化硼25份,氧化镍15份,六硼化钙7 • 5份,氧化锅1 • 5份,碳化铌〇. 75 份,二硅化钼0.55份。 [0038] The coating comprises: 25 parts of boron oxide, 15 parts of nickel, calcium hexaboride 7 • 5 parts of oxidized pan 1 • 5 parts, 75 parts of square niobium carbide, 0.55 parts of molybdenum disilicide.

[0039] 实施例4 [0039] Example 4

[0040] 一种心血管动脉支架,包括多个环状体和所述多个用于连接所述环状体的连接部件,连接部件和环状体包覆有涂层,环状体具有多个沿环均匀分布的三角形筋梁,连接部件具有V形连接杆,连接杆端部具有用于连接环状体的螺旋扣, [0040] A cardiovascular arterial stent comprising a plurality of said annular body and a plurality of connecting members for connecting the annular member, the connecting member and the annular member is coated with a coating having a plurality of annular body uniformly distributed along the ring a triangular reinforcement beam, the connecting member having a V-shaped connecting rod, the connecting rod end portion has a turnbuckle connecting the annular body,

[0041]连接部件为铜基合金材料,其元素组成为(质量百分比):Cr 12.4%,Sn 4.3%,Zn 2.2%, Mo 0.57%, Mg 0.36%,Fe 0.18%,NiO.089%, B 0.088%,Nd 0.057%,Ga 0.046%, Ca0.029%,余量为Cu, [0041] connection member is a copper-based alloy material having elemental composition (percent by mass): Cr 12.4%, Sn 4.3%, Zn 2.2%, Mo 0.57%, Mg 0.36%, Fe 0.18%, NiO.089%, B 0.088%, Nd 0.057%, Ga 0.046%, Ca0.029%, the balance being Cu,

[0042]环状体为钛基合金材料,其元素组成为(质量百分比):Cr 7.7%,Si 4.4%,Zn 5.3%, B 1.4%,V 0.88%, Zr 0.77%, Bi 0.24%, Ag 0.23%,MgO.12%, La 0.082%, Y 0.041%,吣0.063%,余量为11, [0042] The annular body is a titanium-based alloy material having elemental composition (percent by mass): Cr 7.7%, Si 4.4%, Zn 5.3%, B 1.4%, V 0.88%, Zr 0.77%, Bi 0.24%, Ag 0.23%, MgO.12%, La 0.082%, Y 0.041%, Qin 0.063%, the balance being 11,

[0043] 涂层包括:碳化硼28份,氧化镍14份,六硼化钙7.8份,氧化铝1 • 3份,碳化铌〇. 73 份,二硅化钼0.53份。 [0043] The coating comprises: 28 parts of boron carbide, 14 parts of nickel oxide, 7.8 parts of calcium hexaboride, 1 • 3 parts of alumina, 73 parts by square niobium carbide, 0.53 parts of molybdenum disilicide.

[0044] 实施例5 [0044] Example 5

[0045] 一种心血管动脉支架,包括多个环状体和所述多个用于连接所述环状体的连接部件,连接部件和环状体包覆有涂层,环状体具有多个沿环均匀分布的三角形筋梁,连接部件具有V形连接杆,连接杆端部具有用于连接环状体的螺旋扣, [0045] A cardiovascular arterial stent comprising a plurality of said annular body and a plurality of connecting members for connecting the annular member, the connecting member and the annular member is coated with a coating having a plurality of annular body uniformly distributed along the ring a triangular reinforcement beam, the connecting member having a V-shaped connecting rod, the connecting rod end portion has a turnbuckle connecting the annular body,

[0046] 连接部件为铜基合金材料,其元素组成为(质量百分比):Cr 12.9%,Sn 4.8%,Zn 2.6%, Mo 0.54%, Mg 0.38%,Fe 0_18%,Ni0_089%, B 0_087%,Nd 0.056%,Ga 0_047%, Ca0.029%,余量为Cu, [0046] The connecting member is a copper-based alloy material having elemental composition (percent by mass): Cr 12.9%, Sn 4.8%, Zn 2.6%, Mo 0.54%, Mg 0.38%, Fe 0_18%, Ni0_089%, B 0_087% , Nd 0.056%, Ga 0_047%, Ca0.029%, the balance being Cu,

[0047] 环状体为钛基合金材料,其元素组成为(质量百分比):Cr 7.8%,Si 4.4%,Zn 5.3%, B 1.9%,V 0.87%, Zr 0-76%, Bi 0-27%, Ag 0.23%,Mg0.18%, La 0-087%, Y 0.048%,Nb0.067%,余量为Ti, [0047] The annular body is a titanium-based alloy material having elemental composition (percent by mass): Cr 7.8%, Si 4.4%, Zn 5.3%, B 1.9%, V 0.87%, Zr 0-76%, Bi 0- 27%, Ag 0.23%, Mg0.18%, La 0-087%, Y 0.048%, Nb0.067%, the balance being Ti,

[0048] 涂层包括:碳化硼23份,氧化镍18份,六硼化钙7 •8份,氧化铝i • 4份,碳化铌〇• 78 份,二硅化钼0.53份。 [0048] The coating comprises: 23 parts of boron carbide, 18 parts of nickel oxide, calcium hexaboride 7 • 8 parts, i • 4 parts of aluminum, niobium carbide square • 78 parts, 0.53 parts of molybdenum disilicide.

Claims (3)

  1. 1. 一种心血管动脉支架,包括多个环状体和多个用于连接所述环状体的连接部件,连接部件和环状体包覆有涂层,环状体具有多个沿环均匀分布的三角形筋梁,连接部件具有¥ 形连接杆,连接杆端部具有用于连接环状体的螺旋扣,环状体上还包括使环状体和连接奸端部螺旋扣相连的配合部件, 连接部件为铜基合金材料,其元素组成为(质量百分比):Cr l2_l2.5%,Sn 4-4.5%,Zn 2-2.5%, Mo 0.5-0.55%, Mg 0.3-0.35%,Fe 0•卜0.15%,Ni0.08-0.085%, B 0.08-0.085%, Nd 0.05-0.055%,Ga 0.04- 0.045%,CaO.02-0.025%,余量为Cu, 环状体为钛基合金材料,其元素组成为(质量百分比):Cr 7-7.5%,Si 4-4.5%,Zn 5- An arterial cardiovascular stent, comprising a plurality of annular body and a plurality of connecting members for connecting the annular member, the connecting member and the annular member is coated with a coating member having a plurality of annular rings along beams evenly distributed triangular, ¥ shaped connecting member having a connecting rod, the connecting rod having an upper end portion of the annular body for connecting the turnbuckle, the annular body further includes an annular body portion and the connection ends of rape connected with the turnbuckle member, the connecting member is a copper-based alloy material having elemental composition (percent by mass): Cr l2_l2.5%, Sn 4-4.5%, Zn 2-2.5%, Mo 0.5-0.55%, Mg 0.3-0.35%, Fe Bu 0 • 0.15%, Ni0.08-0.085%, B 0.08-0.085%, Nd 0.05-0.055%, Ga 0.04- 0.045%, CaO.02-0.025%, the balance being Cu, is a titanium-based alloy annular body material elemental composition (percent by mass): Cr 7-7.5%, Si 4-4.5%, Zn 5-
  2. 5.5%, B 卜1.5%,V 0.8-0.85%, Zr 0.7-0.75%, Bi 0.2-0.25%, Ag 0.2-0.25%,Mg〇.l一 5.5%, B Bu 1.5%, V 0.8-0.85%, Zr 0.7-0.75%, Bi 0.2-0.25%, Ag 0.2-0.25%, a Mg〇.l
  3. 0.15%,La 0.08-0.085%,Y 0.04-0• 045%,NbO.06-0• 065%,余量为Ti, 涂层包括以下质量份数组分:碳化硼20-30份,氧化镍l〇-2〇份,六硼化轉7-8份,氧化18 1-2份,碳化铌0. 7-0 • 8份,二硅化钼0.5-0.6份。 0.15%, La 0.08-0.085%, Y 0.04-0 • 045%, NbO.06-0 • 065%, the balance being Ti, a coating mass comprising the components parts: 20-30 parts of boron carbide, nickel oxide l square-2〇 parts, parts 7-8 hexaboride turn, parts 181-2 oxide, niobium carbide 0. 7-0 • 8 parts, 0.5 to 0.6 parts of molybdenum disilicide.
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CN101448534A (en) * 2006-05-17 2009-06-03 生物技术公司 Anisotropic nanoporous coatings for medical implants
CN201840555U (en) * 2010-03-10 2011-05-25 谢建 Vessel stent being beneficial to being pressed and held
CN104127268A (en) * 2014-06-16 2014-11-05 苏州固基电子科技有限公司 Vascular stent firm in supporting

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US7291166B2 (en) * 2005-05-18 2007-11-06 Advanced Cardiovascular Systems, Inc. Polymeric stent patterns

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Publication number Priority date Publication date Assignee Title
CN101448534A (en) * 2006-05-17 2009-06-03 生物技术公司 Anisotropic nanoporous coatings for medical implants
CN201840555U (en) * 2010-03-10 2011-05-25 谢建 Vessel stent being beneficial to being pressed and held
CN104127268A (en) * 2014-06-16 2014-11-05 苏州固基电子科技有限公司 Vascular stent firm in supporting

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