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    • 1. 发明授权
    • Bipolar electrosurgical instrument for sealing vessels
    • 用于密封容器的双极电外科仪器
    • US07963965B2
    • 2011-06-21
    • US11801618
    • 2007-05-10
    • Steven P. BuysseDale F. SchmaltzGary M. CoutureLap P. NguyenKristin D. Johnson
    • Steven P. BuysseDale F. SchmaltzGary M. CoutureLap P. NguyenKristin D. Johnson
    • A61B18/12
    • A61B18/1442A61B2017/2945A61B2018/00083A61B2018/0063A61B2018/1432
    • A bipolar electrosurgical instrument has opposable seal surfaces on its jaws for grasping and sealing vessels and vascular tissue. Inner and outer instrument members allow arcuate motion of the seal surfaces. An open lockbox provides a pivot with lateral support to maintain alignment of the lateral surfaces. Ratchets on the instrument members hold a constant closure force on the tissue during the seal process. A shank portion on each member is tuned to provide an appropriate spring force to hold the seal surfaces together. During surgery, the instrument can be used to grasp and clamp vascular tissue and apply bipolar electrosurgical current through the clamped tissue. In one embodiment, the seal surfaces are partially insulated to prevent a short circuit when the instrument jaws are closed together. In another embodiment, the seal surfaces are removably mounted on the jaws.
    • 双极电外科器械在其钳口上具有对置的密封表面,用于抓住和密封容器和血管组织。 内部和外部仪器构件允许密封表面的弓形运动。 开放的锁箱提供具有侧向支撑的枢轴以保持侧面的对准。 仪器构件上的棘轮在密封过程中在组织上保持恒定的闭合力。 调整每个构件上的柄部分以提供适当的弹簧力以将密封表面保持在一起。 在手术过程中,仪器可用于掌握和夹紧血管组织,并通过钳夹的组织施加双极电外科电流。 在一个实施例中,密封表面是部分绝缘的,以防止当仪器钳口闭合在一起时发生短路。 在另一个实施例中,密封表面可拆卸地安装在夹爪上。
    • 3. 发明授权
    • Bipolar electrosurgical instrument for sealing vessels
    • 用于密封容器的双极电外科仪器
    • US06726686B2
    • 2004-04-27
    • US10113745
    • 2002-04-01
    • Steven P. BuysseDale F. SchmaltzGary M. CoutureLap P. NguyenKristin D. Johnson
    • Steven P. BuysseDale F. SchmaltzGary M. CoutureLap P. NguyenKristin D. Johnson
    • A61B1818
    • A61B18/1442A61B2017/2945A61B2018/00083A61B2018/0063A61B2018/1432
    • A bipolar electrosurgical instrument has opposable seal surfaces on its jaws for grasping and sealing vessels and vascular tissue. Inner and outer instrument members allow arcuate motion of the seal surfaces. An open lockbox provides a pivot with lateral support to maintain alignment of the lateral surfaces. Ratchets on the instrument members hold a constant closure force on the tissue during the seal process. A shank portion on each member is tuned to provide an appropriate spring force to hold the seal surfaces together. During surgery, the instrument can be used to grasp and clamp vascular tissue and apply bipolar electrosurgical current through the clamped tissue. In one embodiment, the seal surfaces are partially insulated to prevent a short circuit when the instrument jaws are closed together. In another embodiment, the seal surfaces are removably mounted on the jaws.
    • 双极电外科器械在其钳口上具有对置的密封表面,用于抓住和密封容器和血管组织。 内部和外部仪器构件允许密封表面的弓形运动。 开放的锁箱提供具有侧向支撑的枢轴以保持侧面的对准。 仪器构件上的棘轮在密封过程中在组织上保持恒定的闭合力。 调整每个构件上的柄部分以提供适当的弹簧力以将密封表面保持在一起。 在手术过程中,仪器可用于掌握和夹紧血管组织,并通过钳夹的组织施加双极电外科电流。 在一个实施例中,密封表面是部分绝缘的,以防止当仪器钳口闭合在一起时发生短路。 在另一个实施例中,密封表面可拆卸地安装在夹爪上。
    • 4. 发明申请
    • Laparoscopic Bipolar Electrosurgical Instrument
    • 腹腔镜双极电外科仪器
    • US20080215051A1
    • 2008-09-04
    • US12056488
    • 2008-03-27
    • Steven P. BuysseKate R. LawesDale F. SchmaltzMichael J. LandsS. Wade LukianowKristin D. JohnsonGary M. CoutureLap P. Nguyen
    • Steven P. BuysseKate R. LawesDale F. SchmaltzMichael J. LandsS. Wade LukianowKristin D. JohnsonGary M. CoutureLap P. Nguyen
    • A61B18/14
    • A61B18/1445
    • A laparoscopic bipolar electrosurgical instrument for sealing tissue includes a handle having an elongated tube affixed thereto. The tube includes first and second jaw members having electrically conductive sealing surfaces attached to a distal end thereof which are movable from a first position for approximating tissue to a second position for grasping tissue therebetween. The handle includes a fixed handle and a handle which is movable relative to the fixed handle to effect movement of the jaw members from the first position to the second position for grasping tissue. The jaw members connect to a source of electrosurgical energy such that the opposable sealing surfaces are capable of conducting electrosurgical energy through tissue held therebetween. A stop is included for maintaining a minimum separation distance between opposing sealing surfaces. A ratchet is also included to maintain a closure force in the range of about 7 kg/cm2 to about 13 kg/cm2 between opposing sealing surfaces.
    • 用于密封组织的腹腔镜双极电外科器械包括具有固定到其上的细长管的手柄。 管包括第一和第二钳口构件,其具有附接到其远端的导电密封表面,其可从用于近似组织的第一位置移动到用于抓握其间的组织的第二位置。 手柄包括固定手柄和手柄,该手柄可相对于固定手柄移动,以实现卡爪构件从第一位置到第二位置的移动,从而抓住组织。 钳口构件连接到电外科能量源,使得相对的密封表面能够通过保持在其间的组织进行电外科能量。 包括一个止动件,用于保持相对的密封表面之间的最小间隔距离。 还包括棘轮以在相对的密封表面之间保持约7kg / cm 2至约13kg / cm 2的范围内的闭合力。
    • 6. 发明授权
    • Laparoscopic bipolar electrosurgical instrument
    • 腹腔镜双极电外科仪器
    • US07828798B2
    • 2010-11-09
    • US12056488
    • 2008-03-27
    • Steven P. BuysseKate R. LawesDale F. SchmaltzMichael J. LandsS. Wade LukianowKristin D. JohnsonGary M. CoutureLap P. Nguyen
    • Steven P. BuysseKate R. LawesDale F. SchmaltzMichael J. LandsS. Wade LukianowKristin D. JohnsonGary M. CoutureLap P. Nguyen
    • A61B18/14
    • A61B18/1445
    • A laparoscopic bipolar electrosurgical instrument for sealing tissue includes a handle having an elongated tube affixed thereto. The tube includes first and second jaw members having electrically conductive sealing surfaces attached to a distal end thereof which are movable from a first position for approximating tissue to a second position for grasping tissue therebetween. The handle includes a fixed handle and a handle which is movable relative to the fixed handle to effect movement of the jaw members from the first position to the second position for grasping tissue. The jaw members connect to a source of electrosurgical energy such that the opposable sealing surfaces are capable of conducting electrosurgical energy through tissue held therebetween. A stop is included for maintaining a minimum separation distance between opposing sealing surfaces. A ratchet is also included to maintain a closure force in the range of about 7 kg/cm2 to about 13 kg/cm2 between opposing sealing surfaces.
    • 用于密封组织的腹腔镜双极电外科器械包括具有固定到其上的细长管的手柄。 管包括第一和第二钳口构件,其具有附接到其远端的导电密封表面,其可从用于近似组织的第一位置移动到用于抓握其间的组织的第二位置。 手柄包括固定手柄和手柄,该手柄可相对于固定手柄移动,以实现卡爪构件从第一位置到第二位置的移动,从而抓住组织。 钳口构件连接到电外科能量源,使得相对的密封表面能够通过保持在其间的组织进行电外科能量。 包括一个止动件,用于保持相对的密封表面之间的最小间隔距离。 还包括棘轮以在相对的密封表面之间保持在约7kg / cm 2至约13kg / cm 2范围内的闭合力。