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    • 1. 发明授权
    • TISSUE REPAIR WITH SPACE-SEEKING SPIRALS OF FILAMENT
    • 组织修复与空间寻找螺旋丝
    • EP2688499B1
    • 2017-09-27
    • EP12723539.8
    • 2012-03-23
    • Yeung, Jeffrey E.Yeung, Teresa T.
    • Yeung, Jeffrey E.Yeung, Teresa T.
    • A61F2/00A61B17/04A61B17/00A61F2/30A61F2/44A61F2/46A61B17/70A61B17/88A61B17/34
    • A61F2/442A61B17/0483A61B17/3468A61B17/7061A61B17/7094A61B17/8852A61B2017/00805A61B2017/00867A61F2/0036A61F2/4611A61F2002/30289A61F2002/30294A61F2002/30677A61F2002/444A61F2002/4495A61F2002/4635A61F2210/0061A61F2230/0091A61F2250/0067A61F2310/00598A61F2310/0061A61F2310/0097A61F2310/00976A61F2310/00982
    • A distal portion of a filament is extended beyond the distal end of a needle with a gripper. The needle with the extended filament is inserted into a cannula with snagging points at the distal opening of the cannula in tissue. The snagging points of the cannula hook and retain the distal portion of the filament. During partial withdrawal of the needle, a section of filament is deposited in the lumen of the cannula between the distal ends of the needle and cannula. When the needle is re-advanced, the section of filament is expelled or pushed out of the cannula into tissue. The needle is then rotated; the gripper engages and spirals the expelled filament, burrowing into tissue. The needle can further advanced to push and pack the spiral of filament deep into the tissue. The knot-like filament spiral is individually formed by rotation of the needle and friction between the extended filament and tissue. The process of needle partial withdrawal, re-advancement, rotation and pushing is repeated to pack and fill the tissue with interconnecting spirals of filament to prevent migration from tissue. Spiraling of the filament driven by the rotating needle is space seeking, filling, fitting or conforming to fortify, bulk, fill, cushion or repair the tissue. Bulking with filament spirals can repair degenerated disc, urinary incontinence, fecal incontinence or other defective tissue. The filament spirals can also be used as a suture anchor deep within tissue.
    • 用夹子将细丝的远端部分延伸到针的远端之外。 将具有延长细丝的针插入套管中,在套管的远侧开口处的组织中具有阻断点。 套管的钩挂点钩住并保持细丝的远端部分。 在针的部分撤回期间,一部分细丝在针和套管的远端之间沉积在套管的内腔中。 当针头再次前进时,细丝部分被排出或推出套管进入组织。 针然后旋转; 抓爪啮合并螺旋排出的细丝,钻入组织。 针可以进一步推进以将丝的螺旋深深地推入组织中。 结状细丝螺旋通过针的旋转和延伸细丝与组织之间的摩擦而单独形成。 重复针部分撤回,重新推进,旋转和推动的过程以用相互连接的细丝螺旋来填充和填充组织以防止从组织移动。 由旋转针驱动的细丝的螺旋化是空间寻找,填充,配合或符合强化,填充,填充,缓冲或修复组织。 用丝状螺旋进行膨胀可修复退化椎间盘,尿失禁,大便失禁或其他有缺陷的组织。 丝状螺旋也可以用作组织深处的缝合锚钉。