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    • 16. 发明申请
    • POWERED TISSUE MODIFICATION DEVICES AND METHODS
    • 动力组织修改装置和方法
    • US20110190772A1
    • 2011-08-04
    • US13078376
    • 2011-04-01
    • Vahid SaadatJeffery L. BleichKenneth J. MichlitschJohn E. Ashley
    • Vahid SaadatJeffery L. BleichKenneth J. MichlitschJohn E. Ashley
    • A61B17/56
    • A61B17/1659A61B17/1671
    • A device for modifying tissue in a spine may include: a shah having a proximal portion and a distal portion, the distal portion having dimensions which allow h to be passed into an epidural space of the spine and between target and non-target tissues at least one distal force application member extending from the distal portion of the shall and configured to facilitate application of at least one of anchoring force and tensioning force to the shaft; at least one movable tissue modifying member coupled with the shaft at or near its distal portion; at least one drive member coupled with the at least one tissue modifying member to activate the at least one tissue modifying member; and at least one power transmission member coupled with the at least one drive member to deliver power to the at least one drive member.
    • 用于修改脊柱中的组织的装置可以包括:具有近端部分和远端部分的髋部,所述远端部分具有允许h至少进入脊柱的硬膜外腔和靶和非靶组织之间的尺寸 从远端部分延伸的一个远端力施加构件应构造成便于将锚固力和张紧力中的至少一个施加到轴上; 至少一个可动组织修改构件,其在远端部分处或其附近与所述轴联接; 至少一个驱动构件与所述至少一个组织修改构件联接以激活所述至少一个组织修改构件; 以及与所述至少一个驱动构件联接的至少一个动力传递构件,以向所述至少一个驱动构件输送动力。
    • 19. 发明授权
    • Shape lockable apparatus and method for advancing an instrument through unsupported anatomy
    • 形状可锁定装置和方法,用于通过不支持的解剖结构推进器械
    • US06960162B2
    • 2005-11-01
    • US10281426
    • 2002-10-25
    • Vahid SaadatRichard C. Ewers
    • Vahid SaadatRichard C. Ewers
    • A61B1/005A61B1/008A61B1/01A61B1/31A61B1/32A61B1/00
    • A61B1/00154A61B1/00078A61B1/0008A61B1/00082A61B1/00105A61B1/00135A61B1/0052A61B1/0055A61B1/0058A61B1/008A61B1/31A61B1/32
    • Apparatus and methods are provided for placing and advancing a diagnostic or therapeutic instrument in a hollow body organ of a tortuous or unsupported anatomy, comprising a handle, an overtube disposed within a hydrophilic sheath, and a distal region having an atraumatic tip. The overtube may be removable from the handle, and have a longitudinal axis disposed at an angle relative to the handle. The sheath may be disposable to permit reuse of the overtube. Fail-safe tensioning mechanisms may be provided to selectively stiffen the overtube to reduce distension of the organ caused by advancement of the diagnostic or therapeutic instrument. The fail-safe tensioning mechanisms reduce the risk of reconfiguration of the overtube in the event that the tension system fails, and, in one embodiment, rigidizes the overtube without substantial proximal movement of the distal region. The distal region permits passive steering of the overtube caused by deflection of the diagnostic or therapeutic instrument, while the atraumatic tip prevents the wall of the organ from becoming caught or pinched during manipulation of the diagnostic or therapeutic instrument.
    • 提供了设备和方法,用于将诊断或治疗仪器放置在曲折或无支撑的解剖结构的空心体器官中,包括手柄,设置在亲水护套内的外套管,以及具有无创尖端的远侧区域。 外套管可以从手柄移除,并且具有相对于把手以一定角度设置的纵向轴线。 护套可以是一次性的,以允许外套管的再次使用。 可以提供故障安全的张紧机构以选择性地加固外套管,以减少由诊断或治疗仪器的前进引起的器官的膨胀。 在张力系统失效的情况下,故障安全张紧机构降低了外套管的重新配置的风险,并且在一个实施例中,使外套管刚性化,而远端区域没有实质的近端运动。 远侧区域允许由诊断或治疗仪器的偏转引起的外套管的被动转向,而无创伤尖端防止器官的壁在操纵诊断或治疗仪器期间被卡住或夹住。