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    • 2. 发明申请
    • SELF-TAPPING BIOCOMPATIBLE INTERFERENCE BONE SCREW
    • 自攻生物相容性干涉骨螺钉
    • WO2009099963A3
    • 2009-12-30
    • PCT/US2009032704
    • 2009-01-30
    • CAYENNE MEDICAL INCHOOF JORDAN ABAIRD KEVIN NHARPER DEREK J
    • HOOF JORDAN ABAIRD KEVIN NHARPER DEREK J
    • A61B17/86
    • A61B17/864A61B17/8605A61B17/861A61B17/8615A61B17/8635A61B17/888A61F2/0811A61F2002/0858A61F2002/0882
    • A biocompatible interference screw for soft tissue or bone-to-bone fixation comprises a screw body extending from a screw head to a distal tip of the screw. The screw body has an outer surface, and comprises polyether-ether-ketone (PEEK) material. Advantageously, the body outer surface has a textured surface finish for substantially improving pull-out strength of the interference screw. The textured surface finish is textured, in preferred embodiments, with a minimum of approximately 16 micro inches of surface roughness. The screw head comprises a tapered square keyhole for receiving a distal end of a driver instrument. The screw comprises a series of threads, which have a relatively smooth profile, in order to prevent graft tissue laceration as the screw is being inserted. The distal tip of the screw body comprises a narrow tip, and a distal end of the screw body is angled inwardly toward the narrow distal tip.
    • 用于软组织或骨与骨固定的生物相容干涉螺钉包括从螺钉头部延伸到螺钉的远端尖端的螺钉主体。 螺钉体具有外表面,并且包括聚醚醚酮(PEEK)材料。 有利地,本体外表面具有纹理化表面涂层,用于显着提高干涉螺钉的拉出强度。 在优选实施例中,纹理化表面处理被纹理化,具有最小约16微英寸的表面粗糙度。 螺钉头包括用于接纳驾驶员器械的远端的锥形方形钥匙孔。 螺钉包括一系列具有相对平滑轮廓的螺纹,以便在螺钉插入时防止移植组织撕裂。 螺钉主体的远侧末端包括窄的末端,并且螺钉主体的远侧末端向着窄的远侧末端向内倾斜。
    • 5. 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。