CN113244032A - 可推动的植入物传送系统 - Google Patents

可推动的植入物传送系统 Download PDF

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CN113244032A
CN113244032A CN202110382267.1A CN202110382267A CN113244032A CN 113244032 A CN113244032 A CN 113244032A CN 202110382267 A CN202110382267 A CN 202110382267A CN 113244032 A CN113244032 A CN 113244032A
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implant
delivery device
implant delivery
stent
pusher element
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CN113244032B (zh
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C·林
S·冯
G·凯利
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Terumo Corp
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    • 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
    • A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
    • A61F2/962—Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve
    • A61F2/966—Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve with relative longitudinal movement between outer sleeve and prosthesis, e.g. using a push rod
    • 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
    • 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
    • A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
    • A61F2/88—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure the wire-like elements formed as helical or spiral coils
    • 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
    • A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
    • A61F2/962—Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve
    • 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
    • A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
    • A61F2/9517—Instruments specially adapted for placement or removal of stents or stent-grafts handle assemblies therefor
    • 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
    • A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
    • A61F2/962—Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve
    • A61F2/966—Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve with relative longitudinal movement between outer sleeve and prosthesis, e.g. using a push rod
    • A61F2002/9665—Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve with relative longitudinal movement between outer sleeve and prosthesis, e.g. using a push rod with additional retaining means
    • 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
    • A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0063—Three-dimensional shapes
    • A61F2230/0069—Three-dimensional shapes cylindrical

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  • Health & Medical Sciences (AREA)
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  • Biomedical Technology (AREA)
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  • Oral & Maxillofacial Surgery (AREA)
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Abstract

描述了一种植入物传送系统，其具有在植入物传送期间保留在固定的位置的远侧尖端和外侧护套。在护套内的推动器机构将植入物推出在护套的远侧端和远侧尖端之间的间隙。

Description

可推动的植入物传送系统
本申请是申请号为201680059958.5，申请日为2016年9月19日，发明名称为“可推动的植入物传送系统”的分案申请。
相关申请
本申请要求于2015年9月18日提交的名为“Pushable Implant Delivery System”的美国临时申请序列号62/220,918的优先权，其通过引用其全文并入到本文。
背景技术
例如支架或支架移植物的医疗植入物可以用来打开血管从而缓解斑块积聚的影响，作为用于在动脉瘤内保存栓塞材料的支架，作为用于限制血液流向特定区域的流动分流器，或为了其他原因。
一些植入物传送系统具有外侧管状护套，该外侧管状护套包含其上设置植入物的细长“推动器”构件。当外侧管状护套的远侧端到达其希望的目标地点，推动器构件可以向远侧前进从而把植入物“推”出护套。在许多这些类型的传送系统中，在推动器的部分上配置植入物，而推动器进一步包含位于导管护套(catheter sheath)的远侧端及其附近的远侧端部分。
在那方面，当推动器向远侧前进以部署植入物，推动器的远侧端远超出护套的远侧端。取决于目标地点的远侧脉管的形状和尺寸，这种向远侧的移动可以使推动器接触超出部署的植入物的脉管的部分。这种接触可以导致并发症，因此可以是不希望的。
发明内容
描述了一种植入物传送系统。植入物传送系统可以用于支架和/或支架移植物和/或其他植入物例如线圈、栓塞、堵塞器或其他植入物。
一个实施例涉及一种用于脉管植入物(例如支架)的传送系统，其具有推动机构，推动机构配置为把支架推出外侧导管套筒或护套的端部而不使推动机构的任何部分进一步向所部署的支架之外的远侧前进。换句话说，尽管部署了支架，传送系统100远侧端构件保持在相对于外侧护套和病人体内脉管目标地点的固定的位置。在这个方面，可以减少或消除不希望的接触部署的植入物的远侧。
在一个实施例中，一种植入物传送系统包括内侧管和推动器元件。
在另一个实施例中，一种植入物传送系统包括内侧管和推动器元件，其中推动器元件在内侧管上行进。
在另一个实施例中，一种植入物传送系统包括具有固定位置的内侧管。
在另一个实施例中，一种植入物传送系统包括内侧管，其中内侧管促进导丝的放置。
在另一个实施例中，一种植入物传送系统包括具有增大的远侧截面的内侧管。
在另一个实施例中，一种植入物传送系统包括推动器元件，其中推动器元件含有一个或以上的凹处以容纳植入物。
在另一个实施例中，一种植入物传送系统用来传送支架和/或支架移植物。
在另一个实施例中，一种植入物传送系统用来传送支架和/或支架移植物，并包括推动器元件。支架和/或支架移植物具有将一个或以上的凹处接合在推动器元件上的结构。
在另一个实施例中，一种植入物传送系统包括导丝和推动器元件。
附图说明
本发明实施例能够实现的这些以及其他方面、特征和优点将是显而易见的，并且将从本发明实施例的以下描述和参考附图中得以阐明，其中：
图1示出了根据本发明的具有固定的远侧端的植入物传送系统的侧视图。
图2示出了图1的传送系统的远侧端的放大图。
图3和图4示出了图1的传送系统部署支架的侧视图。
图5-7示出了图1的传送系统的滑动推动器元件的各种视图。
图8示出了与图1的传送系统一起使用的实例支架。
图9和图10示出了根据本发明的远侧端构件的替代实施例。
图11和图12示出了根据本发明的植入物传送系统的替代实施例。
图13-16示出了根据本发明的具有滑动尖端构件的植入物传送系统的替代实施例。
具体实施方式
现在将参考附图描述本发明的具体实施例。然而，本发明可以以许多不同形式体现，因此不应该解释成限于本文提出的实施例；反而，提供这些实施例将使得本公开全面和完整，并将本发明的范围充分表达给本领域技术人员。所述附图中举例说明的实施例的详细说明中使用的术语并不意图限制本发明。在图中，相同的数字指代相同的元件。
图1-4示出了具有推动机构的脉管植入物(例如支架110)的传送系统100，该推动机构配置为把支架110推出导管套筒或护套105的端部而不使推动机构或其他部件的任何部分进一步向所部署的支架之外的远侧前进。换句话说，尽管部署了支架110，传送系统100远侧端构件102保持在相对于外侧护套105和病人体内脉管目标地点的固定的位置。在这个方面，可以减少或消除不希望的接触部署的植入物的远侧。
如图2最佳所见，传送系统100包括在传送系统100的近侧端和远侧端之间延伸的细长管106。以相对于传送系统100的近侧部件的不可缩回的方式固定细长管106的近侧端，并且其在远侧终止于远侧端构件102。在这个方面，一旦传送系统100前进到病人体内希望的位置，细长管106和远侧端构件102在传送期间保持在那个位置，只有当整个传送系统从病人撤回时才移动。
优选地，类似地以相对于传送系统100的近侧部件的不可缩回的方式固定外侧护套105。换句话说，护套105保持在相对于管106和远侧端构件102的固定位置。在那个方面，护套105的远侧端定位在离开远侧端构件102(或者离远侧端构件102的最大部分)的近侧距离处，从而形成可以推动支架110从其中穿过的圆周间隙101(参见图3和图4)。既然外侧护套105和远侧端构件102被固定而不能相对彼此移动，圆周间隙101在贯穿传送过程的所有阶段保持存在。
在一个替代的实施例中，护套105可以是相对于远侧端构件102轴向可移动的，使得支架110的部分能够露出。
通过具有内部通道的滑动的推动器元件104把支架110推出传送系统100，细长管106通过内部通道而配置。因此推动器元件104可以沿着管106的部分轴向滑动而也不移动管106、远侧端构件102或护套105。换句话说，推动器元件104是可独立地移动的，使得管106、远侧端构件102和护套105具有固定的长度。推动器元件104还可释放地连接到支架110的近侧端，使得推动器元件104向远侧推动支架110，而且在其完全释放和部署之前向近端缩回支架110。
参考图5-7，在一个实施例中，支架110通过增大的球状物(bulb)112可释放地连接到推动器元件104，增大的球状物固定在支架110的近侧端上(例如在支架圈111的近侧端上)并且其配合到推动器元件104的外侧表面上的孔或洼地(depression)。护套105把球状物112保持在洼地104A，进一步避免支架110的径向膨胀。当推动器元件104向远侧移动超过外侧护套105的远侧端时，支架110的近侧端膨胀，使得球状物112移出洼地104A从而从推动器元件104脱离接合。在一个实施例中，洼地104A相对于球状物112的尺寸是有些尺寸过大的，从而允许在洼地104A内的一些“玩耍(play)”或移动。
洼地104A优选地仅提供对于球状物112的轴向约束。如果洼地104A足够大，球状物112还可以进行一些竖直移动(垂直于设备的轴)。然而，为了限制涉及推动和拉出植入物传送设备110所浪费的能量的量，以及为了限制在传送期间支架经受的推挤的量，优选限制整体间隙。
球状物112和支架110被护套105而不是洼地104A径向地约束。然而，其他实施例可以利用在洼地104A内的径向限制。举例来说，洼地104A可以具有外向突出的部分球形的形状(例如部分卵形)呈现，以限定球状物112在径向和轴向的方向的移动。
可以在图8中进一步地看到支架110，并且可以在美国申请No.15/268,379中发现球状物112的附加细节及其替代选择，其通过引用合并到本文。在一个实施例中，支架(或支架移植物)110由丝线网组成。在一个实施例中，植入物是由丝线网组成的，并含有内层和外层两层的支架或支架移植物。丝网在支架的近侧和远侧端结束，留下打开的一对丝线端部。可以在这些打开的丝线的端部上面放盖子或球状物112，以保护打开的端部并避免打开的端部损伤脉管。可选择地，丝线而不是盖子可以焊接在一起。焊接形状将与球状物112几何相似。除了图8中所示的形状之外，盖子可以以多种形状呈现；非详尽的实例清单包括圆形、卵形、棱柱体、锥体、椭球体和半球形。对于球状物112的可选的实施例涉及一些配置，其中具有环绕丝线圆柱形底部以及可以用螺丝固定、附接、粘接或者焊接在底部上的近侧的“顶部”结构。“顶部”结构将因此物理地覆盖丝线的近侧端部。
在一个实施例中，支架110的球状物112全部位于相对彼此的相同的径向位置上。在另一个实施例中，一些球状物112彼此之间纵向地偏移。
推动器元件104通过对医生驱动的推动器杆108的连接而轴向地移动。推动器杆108连接到在传送设备100的近侧端的推动器元件104和把手103，使得医生可以近侧地或远侧地移动把手103，从而近侧地或远侧地移动推动器元件104。在一个实施例中，在从推动器元件104的中心径向偏移的位置，推动器杆108连接推动器元件104，使得管106可以穿过推动器元件104的中心(参见图5-7)。
远侧端构件102优选地具有细长的、锥形的区域102B，其近侧地增加直径以减少当传送设备100在病人体内前进时的创伤。远侧端构件102还包括直径减少的区域102A，其在远侧方向上直径增加，这帮助了当其在护套105内向远侧前进时径向地膨胀并且将支架110的远侧端向外引导。可选地，远侧端构件102的近侧部分还可以包括洼地(类似于洼地104A)，其帮助在支架110的部署开始之前保持远侧球状物112的位置。虽然只举例说明了三个洼地104A，我们预期其他数目的洼地104A也是可能的(例如1到16个)。而且，虽然在相同径向位置的洼地104A全部都被举例说明了，我们预期一些洼地104A可以相对彼此地径向地偏移。
远侧端构件102的存在提供了一些益处。首先，由于远侧端构件102优选地由柔软的聚合材料制成，其提供了防止损伤的表面以在脉管系统中追踪期间最小化血管损伤。第二，远侧端构件102提供倾斜的表面给植入物(即区域102A)。由于护套105的压缩力使得支架110保持在受约束的状态，当支架110从护套105排出时，其将相对迅速地打开。许多植入物由形状记忆材料制成，因此当从护套105释放时，它们迅速地采用其膨胀的配置。当支架110的内侧表面接触区域102A同时支架110被推出时，区域102A提供了倾斜的、受控的打开而不是突然的打开。这种受控的传送对帮助缩回也是有益的。植入物采用其膨胀的配置的趋势可以导致植入物突然打开，从而在前进到某个点之后使用者可能不能拉回支架，这阻止了复位能力。作为实例，一旦多数支架110膨胀了，打开力可以通过其余支架110而传播，在不成熟的传送中将其推进。如果太迅速地打开和传送植入物，一旦植入物的某部分打开就没有时间复位植入物。因此更加受控的传送使得使用者在贯穿整个传送过程中有更多时间和控制。
如图2所述，优选地，远侧端构件102的近侧区域102A具有相对突然的过渡区域。然而，该区域102A可以变化以形成具有较大或较小的渐变(taper)的区域。如图2所示，远侧端构件102的剩余的部分可以具有相对一致的直径的轮廓或者可以逐渐地渐变到较小的直径。其他变化是可能的，包括突然地渐变到较小的直径和/或较大的直径区域。逐渐渐变到较小的直径可能是希望的以限制在远侧端构件102和血管之间的可能的接触表面区域，同时还提供了在传送系统100和脉管系统之间的防止损伤的接触表面。其他形状的可能性如图9和图10所述，例如卵形或像气球的形状107A，或者像足球的形状107B。对于远侧端构件102的整体轮廓，各种各样的其他形状是可能的。
优选地，管106和远侧端构件102形成在它们的结构内的连接的通道，该结构从传送设备100的近侧部分延伸，而终止于远侧端构件102的远侧端。该通道允许传送设备100通过放在病人体内的目标传送位置的导丝118被追踪(参见图2)。可替代地，通道的近侧端可以终止于传送设备100的近侧部分的远侧，形成用于“丝线上”用途的快速交换端口(port)140(参见图11)。在另一个替代的实施例中，替代远侧端构件102或除远侧端构件102之外(图12)，该通道可以和防止创伤的丝线142一起使用。
在图3和图4中，传送系统100的简化视图示出了传送支架110的操作。首先，在病人的脉管系统内的希望的目标位置及其附近放置导丝118。下一步，传送设备100通过导丝118追踪，从而导丝118穿过远侧端构件102和管106的通道。一旦传送设备100的远侧端定位在目标位置或其附近，医生使把手103向近侧前进，从而向远侧移动推动器杆108、推动器元件104以及支架110，同时管106、远侧端102和外侧护套105保持在相对固定的位置。随着支架110的远侧端向前移动，远侧端构件102的锥形或圆锥形的部分102A有助于将支架110引导通过护套105的远侧端和远侧端构件102的最大直径部分之间的间隙101。
在支架110的增大的球状物112离开护套105之前，医生可以决定把支架110通过间隙101缩回入传送设备100，重新部署从而更好地实现希望的支架110位置。把手103可以向近端缩回，引起推动器杆108、推动器元件104以及支架110向近端移动，将支架110再次收回到护套105内。最后，支架110可以如上所述重新部署直至支架110的远侧端(例如球状物112)摆脱护套105。
图13-16涉及传送系统150的替代实施例，其大体上类似于之前描述的传送系统100。然而，系统150包括连接到支架110的远侧端的远侧尖端构件152，并在部署程序期间向远侧滑动。在这方面，如图13所示，系统150可以与尖端构件152一起传送，从而将护套105的远侧端保持在闭合位置。当支架110向远侧推动，其将远侧尖端构件152向远侧推动，这形成了护套105和尖端构件152之间的间隙101，通过该间隙部署支架110，如图14所示。
通过塞子154避免远侧尖端构件152移动离开管106的远侧端，其固定到管106。如图16最佳所示，远侧尖端构件152具有具有远侧的、较大直径的区域和近侧的、较小直径的区域的内部通道。塞子154可以进入较大直径区域152B但其太大而不能进入较小直径区域152C，从而避免远侧尖端构件152进一步移动。塞子154具有圆柱的形状，但是可以可替代地具有向近侧方向缩小的圆锥形的形状。
最佳如图15所示，尖端构件152的近侧端包括多个洼地或表面以帮助将球状物112接合在支架的远侧端。当支架110向远侧前进，球状物112接触并推动尖端构件152直至到达塞子154。
在一个实例中，内侧管106可以由聚合物组成。在另一个实例中，内侧管106是金属的。
在一个实施例中，远侧端构件102的最大的外侧直径等于或大于护套105的内侧直径。在一个实例中，增大的远侧端部分102，以及内侧管106是聚合物的。
在另一个实施例中，内侧管106是可移动的。在这个实施例中，由于希望允许推动器元件104相对于内侧管106平移以限制暴露于护套105的远侧端的外面的内侧管104的数量，使用者将分别地操纵内侧管106和推动器元件104的位置。
可替代的实施例可以利用短的内侧管106。内侧管106只可以横穿传送系统整体长度的一部分，并且护套105将利用近侧端口以容纳内侧管106。
在一个实例中，整体工作长度(即从护套105的近侧端到远侧端构件102的远侧尖端的长度)为大约90-150厘米，同时快速交换实施例的长度(即近侧端口140(其是内侧管106的起点)到远侧端构件102的远侧尖端的长度)为大约30-60厘米。
其他实施例也是可能的。比如，推动器可以利用螺丝或棘轮系统。在这个实施例中，杆将被包含在另一个腔内。杆和分开的腔将各自含有对应的凸形-凹形接口以支持螺丝或棘轮系统。使用者将使用在系统的近侧端的旋钮进行交互从而推或拉这个系统。在一个实例中，旋钮由转盘组成，其可以向一个方向转动以使系统前进而向另一个方向转动以使系统缩回。该系统还可以通过电动机械系统自动操作，其中旋钮可以向一个方向转动以转动电机前进或向前推动系统，且旋钮可以向另一个方向转动来使系统向另一个方向转动来缩回传送系统。
推动器元件104显示为位于内侧管106附近的圆的设备。然而，推动器元件104可以以许多形状呈现。其不需要完全地位于内侧管106附近，反而可以就位于管106的部分附近(例如半球)。可替代地，推动器元件104可以以滑动器的形式呈现，其单独地在内侧管106的圆周部分上滑动。明显地，较小的推动器元件104是，较小的推动器元件表面区域将对应于较少洼地112和/或用来抓住支架110的保留结构——然而，较小的推动器元件104可以对较小的植入物有用，其中不需要高的保留强度。
植入物传送系统可以和各种植入物一起使用，例如支架、支架/移植物、线圈、栓塞、堵塞器(occluder)等。尽管主要地描述关于支架和/或支架移植物的系统，系统还可以是关于其他几种设备。例如，系统可以通过具有远侧线圈植入物结构以及具有连接到推动器元件104的接口的连接件与栓塞线圈一起工作(类似于图2的球状物/洼地布置)。脱离机构将位于线圈植入物和连接结构之间，其中连接结构是热学地、机械地或电解地切断来影响植入物的传送。
尽管在说明书中术语护套或导管用来描述通过其传送植入物传送系统的传送设备，植入物传送系统还可以通过各种传送设备，例如海波管或可以用作植入物通过其传送的脉管导管的其他系统，被追踪。
尽管术语内侧管用来描述数字为106的元件，管106可以以许多不同横截面形状呈现，包括圆形、椭圆形、方形、矩形、棱柱形等等。这个清单是非详尽的和举例说明的。
尽管已经根据特定实施例和应用描述了本发明，但是本领域普通技术人员根据该教导可以产生另外的实施例和修改而不偏离所要求保护的发明的精神或超出范围。因此，应该理解，这里的附图和描述是通过举例的方式提供的，以便于理解本发明，并且不应该解释为限制其范围。

Claims (10)

1.一种脉管植入物传送设备，包括：
配置为容纳导丝的内侧管；
植入物；
相对于内侧管可移动的推动器元件，所述推动器元件容纳植入物的近侧部；以及
可在内侧管上移动并具有内部通道的尖端构件，所述尖端构件容纳植入物的远侧部；以及，
设置在内侧管远侧部的塞子；
其中，尖端构件的通道配置为至少部分地、在远侧使塞子通过，进而在植入物输送期间限制尖端构件进一步向远端移动。
2.根据权利要求1所述的脉管植入物传送设备，其中所述推动器元件具有洼地，所述洼地容纳植入物的近侧部。
3.根据权利要求1所述的脉管植入物传送设备，其中所述尖端构件具有凹处，所述凹处容纳植入物的远侧部。
4.根据权利要求1所述的脉管植入物传送设备，其中所述塞子是圆柱形或圆锥形的。
5.根据权利要求1所述的脉管植入物传送设备，其中对于尖端构件的一部分通道来说，所述塞子过大。
6.根据权利要求1所述的脉管植入物传送设备，其中所述通道具有远侧较大直径区域和近侧较小直径区域。
7.根据权利要求1所述的脉管植入物传送设备，进一步包括连接到推动器元件的推动器杆。
8.根据权利要求7所述的脉管植入物传送设备，其中推动器杆在推动器元件的中心径向偏移的位置处连接推动器元件。
9.根据权利要求1所述的脉管植入物传送设备，其中所述推动器元件位于内侧管部分的周围。
10.根据权利要求1所述的脉管植入物传送设备，其中植入物是具有增大的球状物的支架。
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