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    • 3. 发明申请
    • METHODS AND SYSTEMS FOR MATERIAL FIXATION
    • 材料固定的方法和系统
    • WO2008073588A2
    • 2008-06-19
    • PCT/US2007/082431
    • 2007-10-24
    • CAYENNE MEDICAL, INC.BAIRD, Kevin, N.HARPER, Derek, J.KOVALSKI, Joe, P.MONTGOMERY, Kenneth, D.
    • BAIRD, Kevin, N.HARPER, Derek, J.KOVALSKI, Joe, P.MONTGOMERY, Kenneth, D.
    • A61B17/56A61B17/58
    • A61F2/0811A61B17/86A61F2002/0829A61F2002/0835A61F2002/0852A61F2002/0858A61F2002/0882
    • A soft tissue fixation system, most typically applicable to orthopedic joint repairs, such as anterior cruciate ligament (ACL) knee repair procedures, comprises an implant which is placeable in a tunnel disposed in a portion of bone, wherein the tunnel is defined by walls comprised of bone. A first member is deployable outwardly to engage the tunnel walls for anchoring the implant in place in the tunnel, and a second member is deployable outwardly to engage tissue material to be fixed within the tunnel. The second member also functions to move the tissue material outwardly into contact with the tunnel walls to promote tendon-bone fixation. Extra graft length is eliminated by compression of the tendon against the bone at the aperture of the femoral tunnel, which more closely replicates the native ACL and increases graft stiffness. The inventive device provides high fixation of tendon to bone and active tendon-bone compression. Graft strength has been found to be greater than 1,000 N (Newtons), which is desirable for ACL reconstruction systems.
    • 最常用于整形外科关节修复的软组织固定系统,例如前交叉韧带(ACL)膝盖修复程序,包括植入物,其可放置在设置在骨的一部分中的隧道中,其中所述隧道由包括 的骨头。 第一构件向外展开以接合隧道壁,用于将植入物固定在通道中的适当位置,并且第二构件向外展开以接合要固定在隧道内的组织材料。 第二个成员还用于将组织材料向外移动以与隧道壁接触以促进腱骨固定。 额外的移植物长度通过在股骨隧道的孔处将肌腱压靠在骨上而被消除,这更紧密地复制了原生ACL并增加了移植物刚度。 本发明的装置提供了对骨骼的肌腱的高度固定和活动的腱 - 骨压缩。 已经发现移植强度大于1000N(牛顿),这对于ACL重建系统是可取的。