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    • 4. 发明授权
    • Overmolded grasper jaw
    • 包覆成型抓爪下巴
    • US07494501B2
    • 2009-02-24
    • US10986993
    • 2004-11-12
    • Russell E. AhlbergScott V. TaylorDavid OkihisaGregory I. BoychuckEmil KarapetianJohn Stout
    • Russell E. AhlbergScott V. TaylorDavid OkihisaGregory I. BoychuckEmil KarapetianJohn Stout
    • A61B17/28
    • A61B17/282A61B17/29A61B2017/2825A61B2017/2902A61B2017/2933A61B2017/2934A61B2017/2936A61B2017/2943
    • The invention is directed to a surgical instrument comprising an elongate tube extending along an axis including a camming rod and an actuation mechanism operably connected to the camming rod, the camming rod having a camming pin and a camming projection; a first jaw spine having a first cam slot, a first interior camming surface, and a first exterior camming surface; and a second jaw spine having a second cam slot, a second interior camming surface, and a second exterior camming surface, the second jaw spine pivotally connected to the first jaw spine at a common pivot pin operably connected to the elongate tube to open and close the jaw spines in response to movement of the actuation mechanism. The camming pin rides along the first and second interior camming surfaces and operates to close the jaw spines when the camming rod is moved proximally. When the camming rod moves distally, the camming projection rides on the first and second exterior camming surfaces formed on the proximal sides of the respective first and second jaw spines and operates to open the jaw spines. A feature of the invention is one camming surface on each jaw spine can facilitate closing the jaw spines while the other camming surface on each jaw spine can facilitate opening the jaw spines. These two camming surfaces on each jaw spine can be widely separated. The jaw spines can be formed of a metallic material and are overmolded with an atraumatic plastic material. By overmolding the plastic onto the metal spine, an atraumatic outer surface can be formed of the plastic material along with a high degree of detail.
    • 本发明涉及一种外科器械,其包括沿轴线延伸的细长管,所述细长管包括可操作地连接到所述凸轮杆的凸轮杆和致动机构,所述凸轮杆具有凸轮销和凸轮凸轮; 具有第一凸轮槽,第一内部凸轮表面和第一外部凸轮表面的第一颚骨脊; 以及具有第二凸轮槽,第二内部凸轮表面和第二外部凸轮表面的第二夹爪,所述第二夹爪枢转地连接到与所述细长管可操作地连接以打开和关闭的公共枢轴的所述第一夹爪 颚爪响应于致动机构的移动而刺入。 凸轮销沿着第一和第二内部凸轮表面骑行,并且当凸轮杆向近侧移动时操作以闭合颚骨棘爪。 当凸轮杆向远侧移动时,凸轮突起可骑在形成在相应的第一和第二爪脊的近侧上的第一和第二外部凸轮表面上,并且操作以打开颚骨。 本发明的特征是每个颚骨上的一个凸轮表面可以有助于闭合颚骨棘爪,而每个颌骨上的另一个凸轮表面可以有助于打开颚骨。 每个颚骨上的这两个凸轮表面可以被广泛地分开。 颚棘可以由金属材料形成,并用无创伤的塑料材料包覆成型。 通过将塑料包覆成型到金属脊上,无损伤的外表面可以由塑料材料以高度的细节形成。
    • 6. 发明授权
    • Mitral heart valve holder and storage system
    • 二尖瓣心脏保持器和储存系统
    • US08968394B2
    • 2015-03-03
    • US13469975
    • 2012-05-11
    • Michael C. MuradEmil KarapetianW. Vaso Adzich
    • Michael C. MuradEmil KarapetianW. Vaso Adzich
    • A61F2/24A61F2/00
    • A61F2/2427A61F2/0095A61F2/2409A61F2/2412A61F2220/0075A61F2230/0006A61F2250/001
    • An improved holder and storage system for a tissue-type prosthetic mitral heart valve that constricts the commissure posts of the valve and prevents suture looping. A rod axially movable relative to the holder tensions lengths of attachment sutures that extend between the commissure post tips to create a tent and flex the tips inward, thus helping to prevent looping of any of an array of pre-implanted sutures around the leading tips during delivery of the valve. The holder has a safety mechanism that prevents valve delivery before the rod is deployed. One embodiment automatically deploys the rod upon opening a storage jar. One embodiment permits a delivery handle to directly deploy the rod, while another uses a separate worm screw and coupling. A holder clip that attaches to a packaging sleeve may be formed of flexible members meshed together from which the heart valve and holder are easily pulled free to eliminate a step of decoupling the clip from the sleeve.
    • 一种用于组织型假体二尖瓣心脏瓣膜的改进的保持器和储存系统,其限制瓣膜的连合柱并防止缝线循环。 杆相对于保持器可轴向移动,连接缝合线的长度在连接柱末端之间延伸以形成帐篷并向内弯曲顶端,从而有助于防止任何一组预先植入的缝线围绕前端尖端环绕, 输送阀门。 支架具有安全机构,可在杆部署之前防止阀门传递。 一个实施例在打开储存罐时自动展开杆。 一个实施例允许递送手柄直接展开杆,而另一个使用单独的蜗杆和联接。 附接到包装套筒的保持夹可以由啮合在一起的柔性构件形成,心脏瓣膜和保持器从该夹子容易地拉开,以消除将夹子与套筒分离的步骤。