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    • 21. 发明授权
    • Closure device and method of closing a bodily opening
    • 关闭装置和关闭身体开口的方法
    • US09554783B2
    • 2017-01-31
    • US12533731
    • 2009-07-31
    • Dusan PavcnikKurt J. Tekulve
    • Dusan PavcnikKurt J. Tekulve
    • A61B17/08A61B17/00
    • A61B17/0057A61B2017/00243A61B2017/00575A61B2017/00592A61B2017/00597A61B2017/00606A61B2017/0061A61B2017/00615A61B2017/00623
    • In one embodiment, a device for closing or occluding ASDs and PFOs, or other bodily passageways, includes a circumferential frame, a sheet of biocompatible material attached to the frame, and at least one anchor attached to the sheet of biocompatible material. In another embodiment, the closure device includes a circumferential frame, at least one crossbar extending across and attached to the frame, at least one anchor connected to at least one crossbar; and at least one sheet of biocompatible material (such as ECM material) attached to the frame. The anchor includes at least one grasping member having a structure, such as a wired loop, which is configured for releasable attachment to a delivery release member, which facilitates delivery of a closure device collapsibly disposed in a delivery catheter. Alternatively, one or more anchor end pairs may be connected to a delivery bar enhancing delivery and retrieval of the device.
    • 在一个实施例中,用于关闭或闭塞ASD和PFO或其他身体通道的装置包括周边框架,附接到框架的生物相容性材料片以及附着到生物相容性材料片上的至少一个锚固件。 在另一个实施例中,闭合装置包括圆周框架,至少一个跨越框架延伸并连接到框架的横杆,至少一个连接至至少一个横梁的锚固件; 和至少一张生物相容性材料(例如ECM材料)连接到框架上。 锚固件包括至少一个抓握构件,其具有诸如布线环的结构,构造成用于可释放地附接到输送释放构件,其有利于输送可递送地布置在输送导管中的封闭装置。 或者,一个或多个锚定端对可以连接到递送杆,以增强装置的递送和检索。
    • 22. 发明授权
    • Spider PFO closure device
    • 蜘蛛PFO封闭装置
    • US08734483B2
    • 2014-05-27
    • US11845423
    • 2007-08-27
    • Kurt J. TekulveDusan Pavcnik
    • Kurt J. TekulveDusan Pavcnik
    • A61B17/08
    • A61B17/0057A61B2017/00575A61B2017/00579A61B2017/00592A61B2017/00597A61B2017/00615A61B2017/00623A61B2017/00867
    • A device for occluding septal defects or other bodily passageways including PFOs, includes an occluding body formed from a plurality of flexible outwardly radiating occluding wires connected to one or more biocompatible sheet materials. The occluding wires are joined together at proximal wire ends. Linking members connectively link the occluding body to a flexible, substantially linear anchor formed from at least one tube, coil, or bar. The anchor is configured for placement on one side of bodily passageway, whereby the longitudinal axis of at least one anchor extends across a transverse cross-section of the bodily passageway, anchoring the occluding body in place against the other side of a bodily passageway to close, occlude, or fill at least a lumenal portion of a bodily passageway. The anchor may include one or more grasping member(s) integrally formed or connected to the tube, coil, or bar for releasable attachment to an anchor engaging member, such as a biopsy forceps. In a further aspect, a closure device assembly includes a delivery catheter housing a collapsibly disposed closure device linked to a biopsy forceps. The biopsy forceps may be positioned in a locking catheter, which is configured to prevent inadvertent release of the closure device when held in a compressed state inside the delivery catheter. By positioning the catheter near a bodily passageway, such as a PFO, and disengaging the anchor engaging member from the grasping member, the closure device may be released so as to facilitate stable closure of the bodily passageway.
    • 用于阻塞间隔缺损或其他身体通道(包括PFO)的装置包括由连接到一个或多个生物相容性片材的多个柔性向外辐射阻塞线形成的闭塞体。 封闭线在近端线末端连接在一起。 连接构件将闭塞体连接到由至少一个管,线圈或杆形成的柔性基本线性的锚固件。 该锚固件构造成用于放置在身体通道的一侧上,由此至少一个锚固件的纵向轴线延伸穿过身体通道的横向横截面,将闭塞体固定在身体通道的另一侧以封闭 ,闭塞或填充身体通道的至少腔内部分。 锚固件可以包括一个或多个整体形成或连接到管,线圈或杆的抓握构件,用于可释放地附接到锚固件接合构件,例如活检钳。 在另一方面,闭合装置组件包括输送导管,其容纳与活检钳连接的可折叠地设置的闭合装置。 活检钳可以定位在锁定导管中,锁定导管被构造成防止当将输送导管保持在压缩状态时封闭装置的意外释放。 通过将导管定位在诸如PFO的身体通道附近,并且将锚定接合构件与抓握构件脱离接合,可以释放闭合装置,以便于身体通道的稳定关闭。
    • 23. 发明授权
    • Closure device
    • 封闭装置
    • US08617205B2
    • 2013-12-31
    • US12813489
    • 2010-06-10
    • Dusan PavcnikKurt J. TekulveMichael D. Deckard
    • Dusan PavcnikKurt J. TekulveMichael D. Deckard
    • A61B17/08
    • A61B17/0057A61B10/06A61B90/39A61B2017/00243A61B2017/00526A61B2017/00575A61B2017/00584A61B2017/00592A61B2017/00597A61B2017/00606A61B2017/00623Y10T29/49826
    • A closure device for closing a bodily passageway is provided. The device includes first and second frames and first and second crossbars. A sheet of biocompatible material is attached to one or more of the frames. The first crossbar extends across the first frame and has terminal crossbar ends connectively linked to separate sites on the first frame; the second crossbar is similarly linked to the second frame. The crossbars are attached to each other at a connection point, and they are each configured to bend away from the connection point when the closure device is deployed to close a bodily passageway. A method of making the closure device is provided, as well as a method for closing a bodily passageway using such a device. Further, a closure device assembly is provided, including a closure device, a delivery catheter housing, and a delivery release member.
    • 提供了用于关闭身体通道的闭合装置。 该装置包括第一和第二框架以及第一和第二横梁。 一片生物相容性材料附着到一个或多个框架。 第一横杆延伸穿过第一框架并且具有连接到第一框架上的分离位置的端子横杆端部; 第二横杆与第二框架类似地连接。 十字杆在连接点处彼此附接,并且它们各自被配置成当关闭装置展开以便关闭身体通道时远离连接点弯曲。 提供一种制造闭合装置的方法,以及使用这种装置关闭身体通道的方法。 此外,提供了一种闭合装置组件,包括封闭装置,输送导管壳体和递送释放构件。
    • 29. 发明授权
    • Closure prosthesis for transcatheter placement
    • 闭经假体用于经导管放置
    • US5643317A
    • 1997-07-01
    • US244580
    • 1994-05-27
    • Dusan PavcnikSidney WallaceKenneth C. Wright
    • Dusan PavcnikSidney WallaceKenneth C. Wright
    • A61B17/00A61B17/12A61B17/08
    • A61B17/0057A61B17/12022A61B17/12109A61B17/12172A61B2017/00575A61B2017/00592A61B2017/00606
    • A closure prosthesis and transcatheter delivery system includes a closure prosthesis for sealing across all opening of a fluid passageway within a living body. The closure prosthesis is a flexible disk including a flexible ring and diaphragm having a plurality of hollow flexible wire segments attached thereto. Delivery of the closure prosthesis is accomplished using a hollow sheath and a pusher catheter slidable within the sheath, wherein filaments are looped through the wire segments to releasably connect the disk to the pusher catheter. The disk is resiliently compressed within the sheath and, upon release therefrom, the disk resiliently expands into a larger, unrestrained shape. Tension applied to the filaments resiliently bends the wire segments so that they may be drawn through the opening of the defect. Upon releasing the filaments from the disk, the wire segments resiliently expand to trap the disk in place to seal across the opening.
    • PCT No.PCT / US92 / 10141 Sec。 371日期:1994年5月27日 102(e)日期1994年5月27日PCT提交1992年11月25日PCT公布。 公开号WO93 / 10714 PCT 日期1993年6月10日闭合假体和经导管递送系统包括用于密封活体内的流体通道的所有开口的闭合假体。 闭合假体是包括柔性环和隔膜的柔性盘,其具有附接到其上的多个中空柔性线段。 闭合假体的传送使用中空护套和在护套内可滑动的推动导管来实现,其中细丝环绕穿过线段以可释放地将盘连接到推动导管。 盘在护套内被弹性地压缩,并且在从其释放时,盘弹性地膨胀成更大的,无限制的形状。 应用于细丝的张力弹性地弯曲线段,使得它们可以被拉过缺陷的开口。 当从盘释放细丝时,线段弹性地膨胀以将盘捕获到适当的位置以密封穿过开口。