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    • 1. 发明授权
    • Surgical retractor
    • 手术牵开器
    • US5199419A
    • 1993-04-06
    • US740443
    • 1991-08-05
    • Stanley H. RemiszewskiPaul A. MatulaH. Jonathan Tovey
    • Stanley H. RemiszewskiPaul A. MatulaH. Jonathan Tovey
    • A61B17/3201A61B1/32A61B17/02A61B17/068A61B17/32
    • A61B1/32A61B17/0218
    • A novel surgical retractor is provided including a handle assembly, a housing and a collapsible retractor assembly connected to a distal end of the housing. The handle assembly includes a stationary handle in cooperation with an actuating structure for manipulating the collapsible retractor assembly through the housing.The handle assembly may be configured in a variety of forms including palm grips, pistol grips, axial grips, ring grips, etc. The housing includes a tubular structure having an inner tube axially disposed within an outer tube. The outer tube is fixed in the stationary handle with the inner tube passing through the outer tube and connected to the actuating structure. Where desired, either the outer or inner tube may be rotatably attached to the stationary handle. The retractor assembly is attached to the distal end of the housing and includes a reciprocal yoke assembly interconnected with a plurality of collapsible interleaved retractor blades. One element of the yoke assembly is typically maintained stationary while the other is allowed to reciprocate axially to deploy the interleaved retractor blades into a fan configuration.
    • 提供了一种新颖的外科牵开器,其包括手柄组件,壳体和连接到壳体的远端的可收缩牵开器组件。 手柄组件包括与用于操纵通过壳体的可收缩牵缩器组件的致动结构配合的固定手柄。 手柄组件可以被配置成各种形式,包括手掌握柄,手枪把手,轴向夹具,环把手等。壳体包括管状结构,其具有轴向设置在外管内的内管。 外管固定在固定手柄中,内管通过外管并连接到致动结构。 在需要的情况下,外管或内管可以可旋转地附接到固定手柄。 牵开器组件附接到壳体的远端,并且包括与多个可收缩交错的牵开器叶片互连的互动轭组件。 轭组件的一个元件通常保持静止,而另一个元件允许轴向往复运动,以将交错的牵开器叶片部署成风扇构造。
    • 5. 发明授权
    • Ultrasonic dissection and coagulation system
    • 超声解剖和凝血系统
    • US06280407B1
    • 2001-08-28
    • US09521440
    • 2000-03-07
    • Ronald MannaScott IsolaH. Jonathan ToveyDominick L. MastriCorbett W. StoneErnie Aranyi
    • Ronald MannaScott IsolaH. Jonathan ToveyDominick L. MastriCorbett W. StoneErnie Aranyi
    • A61B1720
    • A61B17/320092A61B2017/2929A61B2017/2933A61B2017/2936A61B2017/2944A61B2017/2948A61B2017/320072
    • An ultrasonic dissection and coagulation system for surgical use is provided. The system includes an ultrasonic instrument, a control module, and a pedal actuator. The ultrasonic actuator has a housing and an elongated body portion extending from the housing. An ultrasonic transducer supported within the housing is operatively connected to a cutting blade by a vibration coupler. The vibration coupler conducts high frequency vibration from the ultrasonic transducer to the cutting blade. The cutting blade has a cutting surface which is angled with respect to the longitudinal axis of the elongated body portion and, thus, with respect to the axis of vibration. A clamp member having a tissue contact surface is positioned adjacent to the blade member and is movable from an open position in which the tissue contact surface is spaced form the cutting surface to a clamped position in which the tissue contact surface is in close juxtaposed alignment with the cutting surface to clamp tissue therebetween. The clamp member and the angled blade combine to enhance contact between tissue and the cutting surface of the blade member.
    • 提供了一种外科用超声波解剖和凝血系统。 该系统包括超声波仪器,控制模块和踏板致动器。 超声波致动器具有壳体和从壳体延伸的细长主体部分。 支撑在壳体内的超声换能器通过振动耦合器可操作地连接到切割刀片。 振动耦合器将高频振动从超声波传感器传导到切割刀片。 切割刀片具有相对于细长主体部分的纵向轴线成角度并且因此相对于振动轴线成角度的切割表面。 具有组织接触表面的夹紧构件定位成与刀片构件相邻,并且可从其中组织接触表面从切割表面间隔开的打开位置移动到夹紧位置,在该夹紧位置中,组织接触表面与 切割表面以夹紧组织。 夹紧构件和成角度的刀片组合以增强组织与刀片构件的切割表面之间的接触。
    • 6. 发明授权
    • Ultrasonic dissection and coagulation system
    • 超声解剖和凝血系统
    • US6036667A
    • 2000-03-14
    • US911207
    • 1997-08-14
    • Ronald MannaScott IsolaH. Jonathan ToveyDominick L. MastriCorbett W. StoneErnie Aranvi
    • Ronald MannaScott IsolaH. Jonathan ToveyDominick L. MastriCorbett W. StoneErnie Aranvi
    • A61B17/3201A61B17/28A61B17/32A61B18/00A61B17/20
    • A61B17/320092A61B2017/2929A61B2017/2933A61B2017/2936A61B2017/2944A61B2017/2948A61B2017/320072
    • An ultrasonic dissection and coagulation system for surgical use is provided. The system includes an ultrasonic instrument, a control module, and a pedal actuator. The ultrasonic actuator has a housing and an elongated body portion extending from the housing. An ultrasonic transducer supported within the housing is operatively connected to a cutting blade by a vibration coupler. The vibration coupler conducts high frequency vibration from the ultrasonic transducer to the cutting blade. The cutting blade has a cutting surface which is angled with respect to the longitudinal axis of the elongated body portion and, thus, with respect to the axis of vibration. A clamp member having a tissue contact surface is positioned adjacent to the blade member and is movable from an open position in which the tissue contact surface is spaced form the cutting surface to a clamped position in which the tissue contact surface is in close juxtaposed alignment with the cutting surface to clamp tissue therebetween. The clamp member and the angled blade combine to enhance contact between tissue and the cutting surface of the blade member.
    • 提供了一种外科用超声波解剖和凝血系统。 该系统包括超声波仪器,控制模块和踏板致动器。 超声波致动器具有壳体和从壳体延伸的细长主体部分。 支撑在壳体内的超声换能器通过振动耦合器可操作地连接到切割刀片。 振动耦合器将高频振动从超声波传感器传导到切割刀片。 切割刀片具有相对于细长主体部分的纵向轴线成角度并且因此相对于振动轴线成角度的切割表面。 具有组织接触表面的夹紧构件定位成与刀片构件相邻,并且可从其中组织接触表面从切割表面间隔开的打开位置移动到夹紧位置,在该夹紧位置中,组织接触表面与 切割表面以夹紧组织。 夹紧构件和成角度的刀片组合以增强组织与刀片构件的切割表面之间的接触。