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    • 3. 发明申请
    • Surgical stapling device with multiple stacked actuator wedge cams for driving staple drivers
    • 具有多个堆叠执行器楔形凸轮的手术吻合装置,用于驱动主要驱动器
    • US20070262116A1
    • 2007-11-15
    • US11712315
    • 2007-02-28
    • Joseph HueilJerome MorganFrederick SheltonJeffrey Swayze
    • Joseph HueilJerome MorganFrederick SheltonJeffrey Swayze
    • A61B17/04
    • A61B17/07207A61B17/0644A61B17/1155A61B17/32053A61B2017/07214A61B2017/07235A61B2017/07242A61B2017/07264A61B2017/07278A61B2017/2923A61B2017/320052B25C5/0292
    • A surgical stapling device. According to various embodiments, the stapling device comprises an end effector and a plurality of stacked actuatable wedge band sets. The end effector comprises an anvil having a staple forming surface and a staple cartridge facing the staple forming surface of the anvil. The staple cartridge comprises a plurality of staples and a plurality of staple drivers moveable supportable within the staple cartridge. Each staple driver is in contact with one of the staples and configured such that when the staple drivers are actuated, the staple drivers drive the staples through the staple cartridge so that the staples are formed against the staple forming surface of the anvil. Each stacked wedge band set comprises at least two different-level wedge bands for axially traversing the end effector. Each wedge band comprises a wedge cam at its distal end for driving certain ones of the staple drivers when the wedge band is actuated. A first of the two wedge bands in the stacks rides on a second of the two wedge bands in the stacks such that the staple drivers are driven in successive stages by the at least two wedge bands when the wedge bands are driven in succession. The cumulative height of a first of the plurality of stacked wedge band sets is less than a cumulative height of a second of the plurality of stacked wedge band sets.
    • 外科缝合装置 根据各种实施例,缝合装置包括端部执行器和多个堆叠的可致动楔形带组。 末端执行器包括具有钉形成表面的砧座和面向砧座的钉形成表面的钉仓。 钉仓包括多个钉和可移动地支撑在钉仓内的多个订书钉驱动器。 每个订书钉驱动器与订书钉中的一个接触并且构造成使得当订书钉驱动器被致动时,订书钉驱动器通过钉仓驱动订书钉,使得订书钉形成在砧座的订书钉形成表面上。 每个堆叠的楔带组包括至少两个不同级别的楔形带,用于轴向地穿过末端执行器。 每个楔形带在其远端包括楔形凸轮,用于当楔形带被致动时用于驱动订书钉驱动器中的某些。 堆叠中的两个楔形带中的第一个在堆叠中的两个楔形带中的第二个楔形带上骑行,使得当楔形带被连续驱动时,订书钉驱动器在连续阶段被至少两个楔形带驱动。 多个堆叠的楔形带组中的第一个的累积高度小于多个堆叠楔形带组中的第二个的累积高度。
    • 4. 发明申请
    • 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
    • US20060025813A1
    • 2006-02-02
    • US11141753
    • 2005-06-01
    • Frederick SheltonJoseph HueilJerome Morgan
    • Frederick SheltonJoseph HueilJerome Morgan
    • A61B17/28
    • 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。