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    • 6. 发明授权
    • Ring applicator and method for applying elastic rings to anatomical tissue structures
    • 环形施放器和用于将弹性环施加到解剖组织结构的方法
    • US06547798B1
    • 2003-04-15
    • US09563912
    • 2000-05-04
    • InBae YoonRonald J. BrinkerhoffKendall L. DoblerHal H. KatzRonald J. KolataWilliam J. KraimerLeo J. NolanDelbert E. LucasDonna R. Motz
    • InBae YoonRonald J. BrinkerhoffKendall L. DoblerHal H. KatzRonald J. KolataWilliam J. KraimerLeo J. NolanDelbert E. LucasDonna R. Motz
    • A61B1712
    • A61F6/208A61B17/12013A61B17/30A61B2017/12018A61B2090/061A61F2/2472
    • A ring applicator for applying elastic rings to anatomical tissue during surgical procedures includes an inner member with a forceps movably disposed within a middle tubular member having a distal end configured to hold a plurality of elastic rings in an expanded state and a proximal end with a plurality of longitudinally spaced steps. The middle tubular member is movably disposed in an outer tubular member, and an adjustable stop mechanism is mounted on the proximal end of the outer tubular member to limit axial movement of the outer tubular member relative to the middle tubular member to select which rings are to be ejected. A distal handle is connected with the inner member via slots in the outer and middle tubular members, and a proximal handle is pivotally connected to the middle tubular member via a slot in the outer tubular member. A pusher has a distal end movable between a latched or locked position where the distal end of the pusher protrudes into apertures in the outer and middle tubular members to prevent pivotal movement of the proximal handle and an unlatched or unlocked position where the distal end of the pusher is disengaged from the aperture in the middle tubular member to permit pivotal movement of the proximal handle in order to move the outer tubular member axially relative to the middle tubular member to eject an elastic ring. Distal portions of the outer and middle tubular members are preferably transparent with scale markings formed thereon to allow the surgeon to accurately determine the length of the tissue disposed within the middle tubular member prior to ejecting a ring. A prerelease feature is also disclosed for unlocking the pusher to allow ejection of a ring when the forceps has not been completely withdrawn in to the middle tubular member.
    • 用于在外科手术过程中将弹性环施加到解剖组织的环形施加器包括内部构件,其具有可移动地设置在中间管状构件内的镊子,所述镊子具有构造成将多个弹性环保持在展开状态的远端,并且具有多个 的纵向间隔的台阶。 中间管状构件可移动地设置在外部管状构件中,并且可调止动机构安装在外部管状构件的近端上以限制外部管状构件相对于中间管状构件的轴向运动,以选择哪个环 被弹出。 远端手柄通过外管状构件和中管状构件中的狭槽与内构件连接,并且近侧手柄通过外管状构件中的狭槽枢转地连接到中管构构件。 推动器具有可在锁定或锁定位置之间移动的远端,其中推动器的远端突出到外管状构件和中间管状构件中的孔中,以防止近侧手柄的枢转运动以及未锁定或解锁位置, 推动器从中间管状构件中的孔脱离,以允许近侧手柄的枢转运动,以便相对于中间管状构件轴向移动外部管状构件以弹出弹性环。 外部和中部管状构件的远端部分优选是透明的,其上形成刻度标记,以允许外科医生在排出环之前准确地确定设置在中间管状构件内的组织的长度。 还公开了预释放特征,用于解锁推动器以允许当镊子未完全拉出到中间管状构件时弹出环。