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    • 51. 发明授权
    • Surgical stapling instrument having an electroactive polymer actuated medical substance dispenser
    • 具有电活性聚合物致动的药物分配器的手术吻合器械
    • US08905977B2
    • 2014-12-09
    • US11141753
    • 2005-06-01
    • Frederick E. SheltonJoseph C. HueilJerome R. Morgan
    • Frederick E. SheltonJoseph C. HueilJerome R. Morgan
    • A61M5/00A61B17/072A61B17/00A61B17/29
    • A61B17/07207A61B2017/00398A61B2017/00871A61B2017/2912
    • A surgical stapling and severing instrument enables minimally invasive surgical procedures by having upper and lower jaws (i.e., anvil and staple channel) that are positioned with an elongate shaft and handle through a surgical opening, and in particular through a cannula of a trocar. A pair of fluid bladders (lift bags) are positioned in the staple channel beneath a proximally projecting lever tray so that transfer of fluid from the handle causes closing and clamping of the anvil. The bi-directional fluid control may be mechanically produced at the handle or by activating an electroactive polymer actuator. Once firing is sensed, an EAP plunger in a medical substance syringe inserted into the elongate shaft is activated to dispense a medical substance (e.g., anesthetics, adhesives, cauterizing substances, antibiotics, etc.) and is guided along a firing bar to a cutting surface of an E-beam placing the substance on tissue as severed.
    • 外科缝合和切割器械通过具有上下钳口(即,砧座和缝合通道)来进行微创外科手术,所述上钳口和下颚定位成具有细长轴和手柄通过手术开口,并且特别是通过套管针的插管。 一对流体囊(提升袋)被定位在近侧突出的杆托板下方的钉通道中,使得来自手柄的流体的传送导致砧座的闭合和夹紧。 双向流体控制可以在手柄处或通过激活电活性聚合物致动器机械地产生。 一旦感测到烧灼,则插入到细长轴中的药物注射器中的EAP柱塞被激活以分配医疗物质(例如麻醉剂,粘合剂,烧灼物质,抗生素等),并且沿着击球杆被引导至切割 电子束的表面将物质放置在组织上切断。
    • 59. 发明授权
    • Motor-driven surgical cutting and fastening instrument with tactile position feedback
    • 电动外科切割和紧固器具,具有触觉位置反馈
    • US08292155B2
    • 2012-10-23
    • US13151501
    • 2011-06-02
    • Frederick E. Shelton, IVJohn N. OuwerkerkJerome R. MorganJeffrey S. Swayze
    • Frederick E. Shelton, IVJohn N. OuwerkerkJerome R. MorganJeffrey S. Swayze
    • A61B17/072
    • A61B17/32A61B17/068A61B17/07207A61B17/105A61B17/320016A61B34/76A61B2017/00398A61B2017/00734
    • A surgical cutting and fastening instrument is disclosed. According to various embodiments, the instrument includes an end effector comprising an elongate channel, a clamping member pivotably connected to the channel, and a moveable cutting instrument for traversing the channel to cut an object clamped in the end effector by the clamping member when the clamping member is in a clamped position. The instrument may also comprise a main drive shaft assembly for actuating the cutting instrument in the end effector, a gear drive train connected to the main drive shaft assembly, and a motor for actuating the gear drive train. The instrument may also includes a closure trigger and a firing trigger, separate from the closure trigger, for actuating the motor when the firing trigger is retracted. Also, the instrument may comprise a mechanical closure system connected to the closure trigger and to the clamping member for causing the clamping member to pivot to the clamped position when the closure trigger is retracted.
    • 公开了一种外科切割和紧固器械。 根据各种实施例,仪器包括端部执行器,其包括细长通道,可枢转地连接到通道的夹紧构件,以及可移动切割工具,用于横跨通道,以在夹紧时将夹紧在端部执行器中的物体夹紧在夹紧构件中 会员处于夹紧位置。 仪器还可以包括用于致动末端执行器中的切割仪器的主驱动轴组件,连接到主驱动轴组件的齿轮传动系以及用于致动齿轮传动系的马达。 仪器还可以包括闭合触发器和与闭合触发器分离的击发触发器,用于当击发触发器缩回时用于致动马达。 此外,仪器可以包括连接到闭合触发器和夹紧构件的机械闭合系统,用于当闭合触发器缩回时使夹紧构件枢转到夹紧位置。