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    • 3. 发明申请
    • Dialysis catheter tip
    • 透析导管尖
    • US20050182352A1
    • 2005-08-18
    • US10777545
    • 2004-02-12
    • Kristian DiMatteoTodd BeaupreJames CulhaneBenjamin BellJames Weldon
    • Kristian DiMatteoTodd BeaupreJames CulhaneBenjamin BellJames Weldon
    • A61M25/00A61M3/00
    • A61M25/003A61M25/0068A61M25/0069A61M25/0074A61M2025/0031A61M2025/0037A61M2025/0073
    • A distal tip for a catheter comprises first and second lumens extending therethrough, wherein in an operative configuration, the first and second lumens are coupled to first and second lumens of a dual lumen catheter with a first opening of the distal tip fluidly connected to the first lumen for inflow of fluid from a body lumen into which the distal tip is inserted in a normal mode of operation and for outflow of fluid thereto in a reverse mode of operation and a second opening fluidly connected to the second lumen. The second opening is disposed distally from the first opening and separated therefrom by a selected stagger distance for outflow of fluid therefrom when the catheter is in the normal mode of operation and for inflow of fluid from the body lumen in a reverse mode of operation. The distal tip also includes a contoured flow deflection element directing, in the reverse mode of operation, outflow from the first opening away from the second opening and a contoured outlet portion of the second opening reducing an outflow velocity therefrom in the normal mode of operation.
    • 用于导管的远侧末端包括从其延伸穿过的第一和第二腔,其中在操作构型中,所述第一和第二腔与双腔导管的第一和第二腔连接,所述远端的第一开口流体连接到第一腔 流体从腔体流入,其中远侧末端以正常操作模式插入其中,并且以反向操作模式流出流体并且流体连接到第二腔的第二开口。 当导管处于正常操作模式并且以相反的操作模式从体腔流入时,第二开口从第一开口向远侧方向设置并与之分开一个选定的交错距离,用于从其中流出流体。 远侧末端还包括成形的流动偏转元件,其以相反的操作模式引导从第一开口离开第二开口流出,并且第二开口的轮廓出口部分在正常操作模式中减小其流出速度。
    • 6. 发明授权
    • Method and apparatus for deployment of an endoluminal device
    • 用于部署腔内装置的方法和装置
    • US07892272B2
    • 2011-02-22
    • US11363015
    • 2006-02-27
    • Patrick A. HaverkostPaul F. ChouinardJames WeldonKaren McDonaldWade M. Johnson
    • Patrick A. HaverkostPaul F. ChouinardJames WeldonKaren McDonaldWade M. Johnson
    • A61F2/06
    • A61F2/966A61F2/95A61F2/958A61F2002/9665
    • An introducer deploys an endoluminal device in a distal location from a proximal location. The introducer comprises a retrograde portion, an anterograde portion axially moveable relative to the retrograde portion, a shaft having a distal tip and an anterograde sheath attached to the distal tip, and anchoring means in at least one of the retrograde portion or the anterograde portion for anchoring the device during deployment from its proximal end to its distal end. An inner sheath may be mounted concentrically over the shaft with the endoluminal device mounted concentrically over the inner sheath. The anchoring device may comprise an inflatable balloon mounted radially inside the retrograde portion, a tether, or an extended portion of the endoluminal device confined by a notch in the interface of two sheaths in the retrograde portion of the introducer, or may comprise a holder in the anterograde portion.
    • 导引器在近端位置的远侧位置部署腔内装置。 引导器包括逆行部分,相对于逆行部分可轴向移动的顺行部分,具有附接到远侧末端的远侧末端和顺行鞘的轴,以及至少一个逆行部分或顺行部分中的锚固装置,用于 在展开期间将装置从其近端锚定到其远端。 内护套可以同心地安装在轴上,腔内装置同心地安装在内护套上。 锚定装置可以包括可膨胀的球囊,其可以径向地安装在逆行部分的内部,系绳或延伸部分的腔内装置,其通过导管器的逆行部分中的两个护套的界面中的凹口限定,或者可以包括: 顺行部分。
    • 7. 发明授权
    • Delivery system and method for deployment of foreshortening endoluminal devices
    • 用于部署缩短内窥镜装置的输送系统和方法
    • US07052511B2
    • 2006-05-30
    • US10115669
    • 2002-04-04
    • James WeldonIlya Yampolsky
    • James WeldonIlya Yampolsky
    • A61F2/06
    • A61F2/95A61F2002/9517A61M2025/1068
    • A delivery system comprising an endoluminal device, an outer sheath that radially surrounds the endoluminal device, a pusher positioned at one end of the endoluminal device, and a linkage between the pusher and the outer sheath that coordinates movement of the outer sheath in a first direction with simultaneous movement of the pusher in a second direction opposite the first direction. This delivery system is particularly useful for endoluminal devices that foreshorten, and may comprise the outer sheath moving a first distance (d1) and the pusher moving a second distance (d2), where d2/d1 is approximately equal to the foreshortening ratio. The delivery system of this invention enables a foreshortening device, such as a vena cava filter, or stent, graft, or combination thereof, to be deployed with its end in a precise deployment location without foreshortening causing the end to move from the deployment location as the stent expands.
    • 递送系统,包括腔内装置,径向包围腔内装置的外护套,位于腔内装置一端的推动器,以及推动器和外护套之间的联动装置,其在第一方向上协调外护套的运动 同时沿与第一方向相反的第二方向移动推动器。 该递送系统对于缩短的腔内装置特别有用,并且可以包括移动第一距离(d 1> 1)的外护套,并且推动器移动第二距离(d < ),其中d 2 2 / d 1 1 / N近似等于缩短比例。 本发明的递送系统使得诸如腔静脉过滤器或支架,移植物或其组合之类的缩短装置能够将其末端部署在精确的部署位置,而不会缩短,从而使端部从展开位置移动为 支架扩张。
    • 10. 发明申请
    • Apparatus for holding packaging bags
    • 用于包装袋的装置
    • US20070090066A1
    • 2007-04-26
    • US11254914
    • 2005-10-21
    • James WeldonRandy Brooks
    • James WeldonRandy Brooks
    • A47F5/08
    • A47F13/085
    • An apparatus for holding stacks of plastic packaging bags, including a wicket and a securing device for securing the packaging bags to the wicket. The wicket includes a pair of elongated leg members, and a cross-member connecting together the leg members. Each of the leg members has a series of locking portions for selectively locking the securing device to the leg members at pre-determined distances from the cross-member. The securing device includes a pair of securing buttons having a bore sized and shaped to be slidable onto the leg members over the locking portions. The locking portions are pairs of aligned locking tabs shaped to prevent the securing buttons from sliding back off the leg members. A cartridge comprising a plurality of wickets coupled together by break away tabs can be used to automate a bag-stacking operation. The wicket and securing buttons are made to be recycled along with the bags lips left after bags are torn off, reducing waste. The wicket and buttons also provide improved locking of bags, and one wicket is capable of holding varying quantities of bags.
    • 一种用于保持塑料包装袋的堆叠的装置,包括检票口和用于将包装袋固定到检票口的固定装置。 小门包括一对细长的腿部构件和连接腿部构件的横向构件。 每个腿构件具有一系列锁定部分,用于以预定的距离横向构件选择性地将固定装置锁定到腿部构件。 固定装置包括一对固定按钮,其具有尺寸和形状可以在所述锁定部分上滑动到所述腿部构件上的孔。 锁定部分是成对的对准的锁定突片,其形状以防止固定按钮从腿部构件滑回。 可以使用包括通过分离片联接在一起的多个小门的盒式盒来自动进行袋堆叠操作。 小门和固定按钮与袋子撕开后留下的袋子一起被回收,减少浪费。 小门和按钮还提供改进的袋子锁定,并且一个检票口能够容纳不同数量的袋子。