CN109069262A - 髂分支装置和方法 - Google Patents

髂分支装置和方法 Download PDF

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CN109069262A
CN109069262A CN201780023253.2A CN201780023253A CN109069262A CN 109069262 A CN109069262 A CN 109069262A CN 201780023253 A CN201780023253 A CN 201780023253A CN 109069262 A CN109069262 A CN 109069262A
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ilium
diaphragm
graft
branch unit
limbs
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J·阿根泰恩
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Medtronic Vascular Inc
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    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
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    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/844—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents folded prior to deployment
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    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
    • A61F2/06—Blood vessels
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    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
    • A61F2/06—Blood vessels
    • A61F2/07—Stent-grafts
    • A61F2002/075—Stent-grafts the stent being loosely attached to the graft material, e.g. by stitching
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2002/826—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents more than one stent being applied sequentially
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2220/0025—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • A61F2220/0075—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements sutured, ligatured or stitched, retained or tied with a rope, string, thread, wire or cable
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    • A—HUMAN NECESSITIES
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    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2240/00—Manufacturing or designing of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2240/001—Designing or manufacturing processes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2250/0014—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis
    • A61F2250/0037—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis differing in height or in length
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2250/0014—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis
    • A61F2250/0039—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis differing in diameter
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2250/0058—Additional features; Implant or prostheses properties not otherwise provided for
    • A61F2250/006—Additional features; Implant or prostheses properties not otherwise provided for modular
    • A61F2250/0063—Nested prosthetic parts

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Abstract

髂分支装置包括髂隔膜肢体，该髂隔膜肢体构造成在髂总动脉内展开。该髂隔膜肢体包括移植物材料、近端以及隔膜。移植物材料限定有髂总腔体，该髂总腔体在近端和隔膜之间延伸，该移植物材料和该隔膜限定有髂内腔体和髂外腔体。包括髂隔膜肢体的髂分支装置包括多种可调整模式。另外，髂分支装置具有相对较小的截面积，使得该髂分支装置用于治疗短的髂总动脉内相对较小的髂动脉瘤。这使得髂动脉瘤能够在疾病的非常早期的阶段得到治疗。

Description

髂分支装置和方法
技术领域
本发明涉及一种脉管内装置和方法。更详细而言，本发明涉及一种用于治疗脉管内的疾病的装置。
背景技术
常规的支架移植物通常包括能够径向扩张的增强结构以及柱状的移植物材料层，其中，上述增强结构形成自多个环状支架环，上述移植物材料层限定了上述支架环所联接的腔体。已知支架移植物用于管状的人体血管内。
为了说明，血管内动脉瘤排除法是如下的方法：采用支架移植物从动脉瘤的内部排除加压流体流动，由此减少降低动脉瘤破裂以及相关侵入性外科手术的风险。
挑战发生于患有髂动脉瘤的患者。通常，髂总动脉的较短的长度会阻碍患者接收血管内动脉瘤排除疗法以治疗髂动脉瘤。
发明内容
髂分支装置包括髂隔膜肢体，该髂隔膜肢体构造成在髂总动脉内展开。髂隔膜肢体包括移植物材料、近端以及隔膜。移植物材料限定了髂总腔体，该髂总腔体在近端和隔膜之间延伸，该移植物材料和该隔膜限定了髂内腔体和髂外腔体。
包括髂隔膜肢体的髂分支装置包括多种可调整模式。另外，髂分支装置具有相对较小的截面积，使得该髂分支装置能够用于治疗短的髂总动脉内相对较小的髂动脉瘤。这使得髂动脉瘤能够在疾病的非常早期的阶段得到治疗。
附图说明
图1是根据一个实施例的髂分支装置的分解立体图。
图2是沿着线Ⅱ-Ⅱ所截取的、根据一个实施例的图1的髂分支装置的髂隔膜肢体的剖视图。
图3是沿着线III-III所截取的、根据一个实施例的图1的髂分支装置的髂隔膜肢体的剖视图。
图4是包括根据一个实施例的图1的髂分支装置的主动脉分叉支架移植物的血管组件的局部剖视图。
图5是处于根据一个实施例的图1的髂分支装置的后续展开阶段中的图4的血管组件的局部剖视图。
图6是主动脉分叉支架移植物的剖视图，该主动脉分叉支架移植物具有展开在该主动脉分叉支架移植物内的、根据一个实施例的髂隔膜肢体。
图7是处于根据一个实施例的图1的髂分支装置的后续展开阶段中的图5的血管组件的局部剖视图。
图8是处于根据一个实施例的图1的髂分支装置的后续展开阶段中的图7的血管组件的局部剖视图。
相同的附图标记在整个附图中和详细说明中用于表示相同的元件。
具体实施方式
作为总览并且根据一个实施例，包括髂隔膜肢体的髂分支装置具有多种可调整模式。另外，髂分支装置具有相对较小的截面积，使得该髂分支装置能够用于治疗短的髂总动脉内相对较小的髂动脉瘤。这使得髂动脉瘤能够在疾病的非常早期的阶段得到治疗。
现在更详细而言，图1是根据一个实施例的髂分支装置100的分解立体图。图2是沿着线Ⅱ-Ⅱ所截取的根据一个实施例的图1的髂分支装置100的髂隔膜肢体104的剖视图。图3是沿着线III-II I所截取的根据一个实施例的图1的髂分支装置100的髂隔膜肢体104的剖视图。
现在同时参照图1、图2和图3，髂分支装置100包括主动脉分叉支架移植物102、髂隔膜肢体104、髂内支架移植物106以及髂外支架移植物108。
髂隔膜肢体104包括移植物材料110、一个或多个支架环112和隔膜114。根据这一实施例，髂隔膜肢体104在该髂隔膜肢体104的近端118处包括近侧开口116。髂隔膜肢体104在该髂隔膜肢体104的远端124处还包括髂内开口120和髂外开口122。髂内开口120和髂外开口122有时分别被称为远端第一开口120和远端第二开口122。
如本文所用的那样，诸如髂隔膜肢体104之类的假体的近端是经血流路径而最靠近心脏的端部，而该假体的远端是在展开期间最远离心脏的端部。相比之下，导管的远端通常是被识别为最远离手术者(手柄)的端部，而导管的近端是最靠近手术者(手柄)的端部。
为了讨论清楚的目的，如本文所用的那样，导管的远端是最远离手术者的端部(最远离手柄的端部)，而假体的远端是最靠近手术者的端部(最靠近手柄的端部)，即，导管的远端和支架移植物的近端是最远离手柄的端部，而导管的近端和支架移植物的远端是最靠近手柄的端部。不过，本领域技术人员将理解的是，根据通道位置，在实际使用时，支架移植物和传递系统的描述可以一致或相反。
髂隔膜肢体104还包括纵轴线L。髂隔膜肢体104包括近侧部段126和远侧部段128。近侧部段126在近端118和隔膜114之间与纵轴L基本平行地延伸。有时也被称为隔膜部段128的远侧部段128沿着隔膜114的长度从近侧部段126延伸至远端124。
在近侧部段126，移植物材料110是具有基本均匀的直径D1的圆柱形。不过，在其它实施例中，移植物材料110的直径会变化。移植物材料110包括圆柱形内表面130和相对的外表面132。
支架环112在近侧部段126处附连至移植物材料110。示意性地，支架环112是自扩张结构，例如由镍钛合金(镍钛诺)或其它形状记忆材料形成。
在一个实施例中，移植物材料110是不可渗透的材料，例如是聚对苯二甲酸酯(PET)、膨胀型聚对苯二甲酸酯(ePET)或者其它不可渗透的移植物材料。由于移植物材料110是不可渗透的，因而血液或其它流体不会穿过该移植物材料110。
髂总腔体134由移植物材料110所限定。髂总腔体134大致平行于纵轴线L且在近端开口116和隔膜114之间延伸。
隔膜114是将髂内腔体136和髂外腔体138分隔开的壁部或分隔部。在一个实施例中，通过将圆柱形的移植物材料110由附连结构140附连在一起而形成隔膜114。附连结构140包括缝合件、粘合剂或各种实施例中的其它附连手段。一般而言，隔膜114将髂总腔体134分隔成髂内腔体136和髂外腔体138。在一个实施例中，由于髂隔膜肢体104形成自移植物材料110、支架环112以及作为缝合件的隔膜114，因而该髂隔膜肢体104相对简单且具有最低的相关制造成本。
隔膜114将移植物材料110分隔成髂内腿部135和髂外腿部137。髂内腿部135和髂外腿部137通过隔膜114连接在一起。
更详细而言，移植物材料110和隔膜114形成了髂内腿部135内的髂内腔体136和髂外腿部137内的髂外腔体138。髂内腔体136与纵轴线L大致平行地且在近侧部段126和髂内开口120之间延伸。髂外腔体138与纵轴线L大致平行地且在近侧部段126和髂外开口122之间延伸。在这一实施例中，髂内腔体136和髂外腔体138直接相邻且彼此平行，并且具有相同的长度。
髂内腔体126的直径D2小于髂外腔体138的直径D3。髂总腔体134的直径D1大于髂外腔体138的直径D3。
髂总腔体134与髂内腔体136和髂外腔体138流体连通。隔膜114提供了从髂总腔体134到腔体136、138的平顺过渡。因而，流过髂总腔体134的血流以最小的限制流动至髂内腔体136和髂外腔体138。另外，就截面积而言，远侧部段128小于或等于近侧部段126。由于远侧部段128不会从近侧部段126扩张开，因而使得髂隔膜肢体104的解剖学应用范围最大。
主动脉分叉支架移植物102包括主体142、短(例如，第一)腿部144以及长(例如，第二)腿部146。合适的主动脉分叉支架移植物102的例子包括由明尼苏达州明尼阿波利斯市的美敦力公司所制造的Ⅱs AAA支架移植物。
主体142从主动脉分叉支架移植物102的近端148延伸至腿部144、146。主体142限定有主腔体150。短腿部144从主体142延伸至该短腿部144的远端152。长腿部146从主体142延伸至该长腿部146的远端154。腿部144、146分别限定有分支腔体156、158。主腔体150分叉成分支腔体156、158。主动脉分叉支架移植物102包括移植物材料160和一个或多个支架环162。
短腿部144的长度L1小于长腿部146的长度L2。在一个实施例中，髂隔膜肢体104的近端118构造为配装在短腿部144或长腿部146的任意一个内。这提供了髂分支装置100的调整模式，以适应解剖结构中的变化。更详细而言，髂隔膜肢体104构造为在髂总动脉较短的情况下配装在短腿部144内或者在髂总动脉较长的情况下配装在长腿部146内。
在一个实施例中，如下文进一步描述的那样，髂隔膜肢体104的支架环112位于并且释放在短腿部144或长腿部146的任意一个内，以将髂隔膜肢体104固定至主动脉分叉支架移植物102。髂隔膜肢体104能够在主动脉分叉支架移植物102内滑动、例如能够进一步定位在该主动脉分叉支架移植物102之内或之外，从而提供另一可调整模式。这进一步允许对较短的髂总动脉进行治疗，例如尤其是在亚洲的某些特定的患者群体中，。
髂内支架移植物106是管状构件，该管状构件包括近端164，在该近端164内具有近端开口166。髂内支架移植物106还包括远端168，在该远端168内具有远端开口170。髂内支架移植物106包括移植物材料172和一个或多个支架环174。移植物材料172限定有髂内支架移植物腔体176，该髂内支架移植物腔体176在近端开口166和远端开口170之间延伸。
在一个实施例中，髂内支架移植物106的近端164构造为配装在髂隔膜肢体104的髂内腿部135内。在一实施例中，如下文进一步描述的那样，髂内支架移植物106的支架环174位于并且被释放在髂内腿部135内，以将髂内支架移植物106固定至髂隔膜肢体104。
髂外支架移植物108是管状构件，该管状构件包括近端178，在该近端178内具有近端开口180。髂外支架移植物108还包括远端182，在该远端182内具有远端开口184。髂外支架移植物108包括移植物材料186和一个或多个支架环188。移植物材料186限定有髂外支架移植物腔体190，该髂外支架移植物腔体190在近端开口180和远端开口184之间延伸。
髂外支架移植物108的近端178构造为配装在髂隔膜肢体104的髂外腿部137内。在一实施例中，如下文进一步描述的那样，髂外支架移植物108的支架环188位于并且被释放在髂外腿部137内，以将髂外支架移植物108固定至髂隔膜肢体104。
髂外支架移植物108的直径的大小被设定为与髂外腔体138的直径D3匹配。类似地，髂内支架移植物106的直径的大小被设定为与髂内腔体136的直径D2匹配。
图4是包括了根据一个实施例的图1的髂分支装置100的主动脉分叉支架移植物102的血管组件400的局部剖视图。血管组件400示出了人体内的一一系列血管，该血管组件400包括主动脉402、髂总动脉404和406、髂内动脉408和410以及髂外动脉412和414。更详细而言，主动脉402下降到主动脉分叉416，从该主动脉分叉416延伸有髂总动脉404和406。髂总动脉404下降到髂总动脉分叉418，从该髂总动脉分叉418延伸有髂内动脉408和髂外动脉412。类似地，髂总动脉406下降到髂总动脉分叉420，从该髂总动脉分叉420延伸有髂内动脉410和髂外动脉414。
根据本示例，髂总动脉404包括动脉瘤422、即组织的病变部分。
主动脉分叉支架移植物102在主动脉402内展开。例如，在引入主动脉分叉支架移植物102之前，例如通过股骨的切口(未示出)经由股动脉放置导丝426。主动脉分叉支架移植物102展开，以使主体142、短腿部144以及长腿部146位于主动脉402内。
通常，主动脉分叉支架移植物102用作锚定件，以将髂隔膜肢体104固定在下文进一步讨论的部位内。在一个实施例中，主动脉402包括动脉瘤424。根据该实施例，主动脉分叉支架移植物102对动脉瘤424进行排除。不过，在另一实施例中，主动脉402是健康的、即未包括动脉瘤。
图5是处于根据一个实施例的图1的髂分支装置100的后续展开阶段中的图4的血管组件400的局部剖视图。现在参照图5，髂隔膜肢体104在主动脉分叉支架移植物102的短腿部144内展开。示意性地，髂隔膜肢体104在导丝426上行进，以定位在短腿部144内。支架环112被释放，以自扩张至短腿部144内，由此将髂隔膜肢体104固定至主动脉分叉支架移植物102。
髂隔膜肢体104展开，以使远端124位于离开髂总分叉418的预定距离Dp处。在一个实施例中，预定距离Dp为10毫米(mm)，而在其它实施例中，该预定距离Dp是其它距离。如上所述，髂隔膜肢体104能够滑入和滑出主动脉分叉支架移植物102，以将远端124定位为离开髂总分叉418的预定距离Dp。这一可调整性允许对较短的髂总动脉进行治疗，例如在尤其是在亚洲的某些特定的患者群体中。
由于远端124被放置在髂总分叉418上方的预定距离Dp处，因而髂隔膜肢体104内的唯一变量是直径D1、D2和D3(参见图2～图3)。另外，由于髂隔膜肢体104的整体直径相对较小且不会扩开，因而该髂隔膜肢体104能够用于治疗较小的动脉瘤、例如为髂总动脉404的自然直径的1.5倍的动脉瘤422。在各种实施例中，髂隔膜肢体104能够在具有较小直径的髂总动脉404内展开，上述较小的直径例如为28mm、24mm、20mm，并且通常该直径为16mm或更大。这使得动脉瘤422能够在疾病的非常早期的阶段得到治疗。
不过，在需要更大的长度的情况下，主动脉分叉支架移植物102能够展开以使长腿部146展开以配合髂总动脉404，并且使短腿部展开以配合髂总动脉406，即旋转了180°。髂隔膜肢体104接着在长腿部146内展开。这提供了另一种可调整模式。
图6是主动脉分叉支架移植物102的剖视图，该主动脉分叉支架移植物102具有展开在该主动脉分叉支架移植物102内的根据一个实施例的髂隔膜肢体104。现在同时参照图5和图6，在髂隔膜肢体104展开于主动脉分叉支架移植物102内之后，闭塞球囊602在例如导丝426上行进，并且在髂隔膜肢体104的髂外腿部137内展开、例如膨胀。
通常，髂内动脉408实际上无法从该髂内动脉408的远端进入。因而，球囊602展开以作为第二导丝604(表示为虚线)的引导件。更详细而言，第二导丝604呈臂状地且向近侧地被引入近侧部段126内，离开髂内腿部135，并且进入髂内动脉408。在另一实施例中，将第二导丝604从相对的股动脉引入。球囊602确保使第二导丝604的路径通向髂内腿部135和髂内动脉408内。然后，球囊602收缩并被移除。
图7是处于根据一个实施例的图1的髂分支装置100的后续展开阶段中的图5的血管组件400的局部剖视图。现在参照图7，髂内支架移植物106在第二导丝604上行进并且行进至髂内动脉408内。髂内支架移植物106的支架环174被释放，以自扩张至髂隔膜肢体104的髂内腿部135内。这将髂内支架移植物106固定至髂隔膜肢体104并且固定至髂内动脉408内的健康组织。
图8是处于根据一个实施例的图1的髂分支装置100的后续展开阶段中的图7的血管组件400的局部剖视图。现在同时参照图7和图8，第二导丝604被移除。外支架移植物108在导丝426上行进至髂外动脉412内。髂外支架移植物108的支架环188被释放，以自扩张至髂隔膜肢体104的髂外腿部137内。这将髂外支架移植物108固定至髂隔膜肢体104，并且固定至髂外动脉412内的健康组织。接着，导丝426被移除，从而完成髂分支装置100的展开以及对髂总动脉404的动脉瘤422的排除。详细而言，髂分支装置100从健康血管桥接至健康血管，以确保动脉瘤422被排除。在一个实施例中，支架移植物在长腿部146内展开并且进入髂总动脉406内，以确保填充髂总动脉406。
本发明提供了示例性实施例。但发明范围不限于这些示例性实施例。鉴于本发明，无论是由本说明书明确提供或暗示与否，本领域技术人员可实施许多诸如结构、尺寸、材料类型和制造工艺的变化。

Claims (20)

1.一种髂分支装置，包括：
髂隔膜肢体，所述髂隔膜肢体构造成在髂总动脉内展开，所述髂隔膜肢体包括：
移植物材料；
近端；以及
隔膜，其中，所述移植物材料限定有髂总腔体，所述髂总腔体在所述近端和所述隔膜之间延伸，所述移植物材料和所述隔膜限定有髂内腔体和髂外腔体。
2.如权利要求1所述的髂分支装置，其特征在于，所述髂分支装置还包括：
附连结构，所述附连结构将所述移植物材料附连在一起以形成所述隔膜。
3.如权利要求2所述的髂分支装置，其特征在于，所述附连结构包括缝合件。
4.如权利要求1所述的髂分支装置，其特征在于，所述髂内腔体的直径小于所述髂外腔体的直径。
5.如权利要求4所述的髂分支装置，其特征在于，所述髂总腔体的直径大于所述髂外腔体的直径。
6.如权利要求1所述的髂分支装置，其特征在于，所述髂隔膜肢体还包括自扩张结构，所述自扩张结构在所述近端附连至所述移植物材料。
7.如权利要求6所述的髂分支装置，其特征在于，还包括主动脉分叉支架移植物，所述主动脉分叉支架移植物包括第一远侧腿部和第二远侧腿部，所述自扩张结构将所述髂隔膜肢体联接在所述第一远侧腿部内。
8.如权利要求7所述的髂分支装置，其特征在于，所述第一远侧腿部比所述第二远侧腿部短。
9.如权利要求1所述的髂分支装置，其特征在于，还包括髂内支架移植物和髂外支架移植物，所述髂内支架移植物联接在所述髂内腔体内，并且所述髂外支架移植物联接在所述髂外腔体内。
10.一种展开髂分支装置的方法，所述方法包括：
将主动脉分叉支架移植物展开在主动脉内；以及
将髂隔膜支架的近端展开在所述主动脉分叉支架移植物的第一远侧腿部内，其中，对所述近端的展开包括使所述髂隔膜肢体在髂内动脉和髂外动脉的分叉的上方间隔预定距离。
11.如权利要求10所述的方法，其特征在于，所述预定距离为10毫米(mm)。
12.如权利要求10的方法，其特征在于，所述主动脉分叉支架移植物还包括第二远侧腿部。
13.如权利要求12所述的方法，其特征在于，所述第一远侧腿部比所述第二远侧腿部短。
14.如权利要求10所述的方法，所述方法还包括：
将髂内支架移植物展开在所述髂隔膜肢体的髂内腔体内；以及
将髂外支架移植物展开在所述髂隔膜肢体的髂外腔体内。
15.如权利要求14所述的方法，其特征在于，所述髂内支架移植物的直径小于所述髂外支架移植物的直径。
16.如权利要求14所述的方法，其特征在于，还包括：在展开所述髂内支架移植物之前，将闭塞球囊展开在所述髂外腔体内。
17.如权利要求16所述的方法，其特征在于，还包括在展开所述髂内支架移植物后移除所述闭塞球囊。
18.一种制造髂分支装置的方法，所述方法包括：
提供圆柱形的移植物材料；
将支架联接至所述移植物材料的近端；
在所述移植物材料内形成隔膜，其中，所述移植物材料限定有髂总腔体，所述髂总腔体在所述近端和所述隔膜之间延伸，所述移植物材料和所述隔膜限定有髂内腔体和髂外腔体。
19.如权利要求18所述的方法，其特征在于，所述形成包括缝合所述移植物材料。
20.如权利要求18所述的方法，其特征在于，所述髂内腔体的直径小于所述髂外腔体的直径。
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Application publication date: 20181221