Catheter-based methods for enlarging blood vessels to facilitate the formation of penetration tracts, fistulas and/or blood flow channels
    1.
    发明授权
    Catheter-based methods for enlarging blood vessels to facilitate the formation of penetration tracts, fistulas and/or blood flow channels 有权
    用于扩大血管以促进穿透带,瘘和/或血流通道形成的基于导管的方法

    公开(公告)号:US06508824B1

    公开(公告)日:2003-01-21

    申请号:US09507139

    申请日:2000-02-18

    IPC分类号: A61B1734

    摘要: Methods, devices and systems wherein a penetrating catheter or other penetrating device is used to penetrate into a target blood vessel, and wherein the target vessel is dilated prior to the penetration so as to improve the imaging, aiming at and/or penetration into the target vessel. In one embodiment, a tissue penetrating catheter device that is useable to penetrate from a blood vessel in which it is positioned to a target vessel comprises a flexible catheter advanceable into the first blood vessel and a tissue penetrator lumen adapted to receive an operative tissue penetrator which is usable to penetrate from the blood vessel to the target vessel when properly aimed. An imaging transducer may be fixedly mounted on or within the penetrating catheter to provide an imaging signal from which an image of the target vessel can be obtained. A target vessel dilating catheter is inserted into the target vessel and used to dilate the target vessel prior to imaging, aiming of the penetrator at and/or puncture thereof. Such vessel dilating catheters may comprise one or more occlusion member(s) (e.g., one or two balloons) to block flow through the target vessel and/or to isolate and pressurize a region of the vessel. Alternatively, the dilating catheter may comprise a dilating member that expands within the target vessel to cause a portion of the target vessel wall to enlarge, stretch, expand, bulge or otherwise dilate.

    摘要翻译: 穿透导管或其他穿透装置用于穿透到目标血管中的方法,装置和系统,并且其中目标血管在穿透之前被扩张,以便改善成像,瞄准和/或穿透到靶中 船只。 在一个实施例中,组织穿透导管装置可用于穿透其中定位于靶容器的血管,包括可前进到第一血管的柔性导管和适于接收手术组织穿透器的组织穿透器腔 可以在适当瞄准时从血管穿透到目标血管。 成像传感器可以固定地安装在穿透导管上或内部,以提供可以获得目标血管的图像的成像信号。 将目标血管扩张导管插入目标血管并用于在成像之前使靶容器扩张,使穿透器瞄准和/或穿刺。 这种血管扩张导管可以包括一个或多个阻塞构件(例如一个或两个气囊),以阻止流过靶血管的流体和/或隔离和加压血管的区域。 或者,扩张导管可以包括在靶容器内扩张以使目标血管壁的一部分扩大,伸展,膨胀,膨胀或以其它方式扩张的扩张构件。

    Components and methods for patient infusion device
    2.
    发明授权
    Components and methods for patient infusion device 失效
    患者输液装置的组件和方法

    公开(公告)号:US07128727B2

    公开(公告)日:2006-10-31

    申请号:US10260192

    申请日:2002-09-30

    IPC分类号: A61M37/00 A61M5/178

    摘要: A transcutaneous access tool includes a first cannula moveable along an axis, a fixed member including an elongated prong extending parallel with the axis, and a deployment member secured to the first cannula and movable along the axis away from the fixed member. The deployment member includes spaced-apart, resiliently flexible fingers extending parallel with the axis and having distal ends that are laterally enlarged with respect to the axis. The resiliently flexible fingers are received on the prong of the fixed member. A second cannula is disposed within the lumen of the first cannula, and retraction member is secured to the second cannula and is movable along the axis. The retraction member includes at least one catch catching on the laterally enlarged distal ends of the fingers of the deployment element when the fingers are laterally held apart by the prong of the fixed member.

    摘要翻译: 经皮通道工具包括可沿轴线移动的第一套管,固定构件,其包括平行于该轴线延伸的细长尖头,以及展开构件,该展开构件固定到第一插管并且可沿该轴线远离固定构件移动。 展开构件包括与轴线平行延伸的间隔开的弹性柔性指状物,并且具有相对于轴线横向放大的远端。 弹性柔性指状物被接收在固定构件的插脚上。 第二套管设置在第一套管的内腔内,并且缩回构件固定到第二套管并且可沿轴线移动。 当手指被固定构件的插脚横向地夹持分开时,缩回构件包括捕获在展开元件的指状物的横向放大的远端上的至少一个卡扣。

    Transcutaneous delivery means
    3.
    发明授权
    Transcutaneous delivery means 有权
    经皮递送手段

    公开(公告)号:US06699218B2

    公开(公告)日:2004-03-02

    申请号:US10037902

    申请日:2001-11-09

    IPC分类号: A61M3100

    摘要: A device for delivering fluid to a patient including a passageway having a proximal fluid transport tube, a distal fluid transport tube, and a tubular expansion member coupling the fluid transport tubes. A penetrating member is positioned within the expansion member for axial movement between the fluid transport tubes, and has a sharpened distal tip. The device also includes a dispenser for causing fluid from a reservoir to flow to the proximal fluid transport tube, a housing containing the dispenser and the passageway and including an exit port receiving the distal fluid transport tube, and a connecting member secured to the penetrating member. The connecting member is movable by a user from an exterior of the housing and arranged such that movement causes the penetrating member to move between an extended position for subcutaneously inserting the distal fluid transport tube into a patient, and a retracted position.

    摘要翻译: 用于将流体输送到患者的装置,包括具有近端流体输送管,远端流体输送管和联接流体输送管的管状膨胀构件的通道。 穿透构件定位在膨胀构件内用于在流体输送管之间的轴向运动,并且具有尖锐的远端。 该装置还包括用于使来自储存器的流体流动到近端流体输送管的分配器,容纳分配器和通道的壳体,并且包括容纳远端流体输送管的出口以及固定到穿透构件的连接构件 。 连接构件可由使用者从外壳的外部移动,并且布置成使得移动使得穿透构件在用于皮下将远端流体输送管插入患者体内的延伸位置和缩回位置之间移动。