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1. 发明授权

US5312023A Self contained gas powered surgical apparatus 失效
标题翻译：自备气体手术器械
公开(公告)号：US5312023A
公开(公告)日：1994-05-17
申请号：US024533
申请日：1993-03-01
申请人： David T. Green , Henry R. Sienkiewicz , Richard C. McClure , Robert C. Savage , Keith L. Milliman , Mitchell J. Palmer , Lisa W. Heaton , Graham W. Bryan
发明人： David T. Green , Henry R. Sienkiewicz , Richard C. McClure , Robert C. Savage , Keith L. Milliman , Mitchell J. Palmer , Lisa W. Heaton , Graham W. Bryan
IPC分类号： A61B1/00 , A61B17/00 , A61B17/068 , A61B17/072 , A61B17/10 , A61B17/12 , A61B17/28 , A61B17/32 , A61B19/00
CPC分类号： A61B17/07207 , A61B17/00234 , A61B2017/0023 , A61B2017/00535 , A61B2017/00544 , A61B2017/00548 , A61B2017/07214 , A61B2017/2903 , A61B2017/2926 , A61B2017/2927 , A61B2017/2929 , A61B2090/038 , A61B2090/0803 , A61B2090/0804
摘要： A self contained gas powered endoscopic surgical apparatus is provided for placing lateral lines of surgical fasteners into body tissue. The apparatus includes a frame portion, an elongated portion extending from the frame portion, and an articulating fastener applying assembly associated with a distal end of the elongated portion. The fastener applying assembly includes a base portion, a staple cartridge housing, and an anvil member which has a forming surface thereon against which surgical fasteners are driven as they are ejected from the cartridge housing. A self contained pneumatic system is associated with the frame portion and is actuable to eject the surgical fasteners from the cartridge assembly. A first mechanism is provided for effectuating the rotation of the fastener applying assembly about an axis defined by the body portion, a second mechanism is provided for effectuating the articulation of the fastener applying assembly, and a third mechanism is provided for independently rotating the cartridge housing and anvil member relative to a longitudinal axis defined by the base position to increase the range of operability of the apparatus.
摘要翻译：提供一种自给式气体动力内窥镜手术装置，用于将外科紧固件的侧线放置在身体组织中。该装置包括框架部分，从框架部分延伸的细长部分以及与细长部分的远端相关联的关节式紧固件施加组件。紧固件施加组件包括基部，钉仓壳体和砧座构件，其具有成形表面，外科紧固件在从套筒壳体弹出时被驱动。自包含气动系统与框架部分相关联并且可致动以将外科紧固件从盒组件中弹出。提供第一机构用于实现紧固件施加组件围绕由主体部分限定的轴线的旋转，提供第二机构用于实现紧固件施加组件的铰接，并且提供第三机构用于独立地旋转盒壳体和砧构件相对于由基座位置限定的纵向轴线，以增加设备的可操作性的范围。

2. 发明授权

US5478003A Surgical apparatus 失效
标题翻译：手术器械
公开(公告)号：US5478003A
公开(公告)日：1995-12-26
申请号：US133549
申请日：1993-10-08
申请人： David T. Green , Mitchell J. Palmer , Keith L. Milliman , Robert C. Savage , Richard C. McClure , Lisa W. Heaton
发明人： David T. Green , Mitchell J. Palmer , Keith L. Milliman , Robert C. Savage , Richard C. McClure , Lisa W. Heaton
IPC分类号： A61B17/00 , A61B17/072 , A61B17/28 , A61B19/00 , A61B17/068
CPC分类号： A61B17/07207 , A61B17/00234 , A61B2017/00535 , A61B2017/00544 , A61B2017/00548 , A61B2017/07214 , A61B2017/07278 , A61B2017/2926 , A61B2017/2927 , A61B2017/2929 , A61B2017/2936 , A61B2090/038 , A61B2090/0803
摘要： A self contained gas powered endoscopic surgical apparatus is provided for placing lateral lines of surgical fasteners into body tissue. The apparatus includes a frame portion, an elongated portion extending from the frame portion, and an articulating fastener applying assembly associated with a distal end of the elongated portion. The fastener applying assembly includes a base portion, a staple cartridge housing, and an anvil member which has a forming surface thereon against which surgical fasteners are driven as they are ejected from the cartridge housing. A self contained pneumatic system is associated with the frame portion and is actuable to eject the surgical fasteners from the cartridge assembly. A first mechanism is provided for effectuating the rotation of the fastener applying assembly about an axis defined by the body portion, a second mechanism is provided for effectuating the articulation of the fastener applying assembly, and a third mechanism is provided for independently rotating the cartridge housing and anvil member relative to a longitudinal axis defined by the base position to increase the range of operability of the apparatus.
摘要翻译：提供一种自给式气体动力内窥镜手术装置，用于将外科紧固件的侧线放置在身体组织中。该装置包括框架部分，从框架部分延伸的细长部分以及与细长部分的远端相关联的关节式紧固件施加组件。紧固件施加组件包括基部，钉仓壳体和砧座构件，其具有成形表面，外科紧固件在从套筒壳体弹出时被驱动。自包含气动系统与框架部分相关联并且可致动以将外科紧固件从盒组件中弹出。提供第一机构用于实现紧固件施加组件围绕由主体部分限定的轴线的旋转，提供第二机构用于实现紧固件施加组件的铰接，并且提供第三机构用于独立地旋转盒壳体和砧构件相对于由基座位置限定的纵向轴线，以增加设备的可操作性的范围。

3. 发明授权

US5645209A Self contained gas powered surgical apparatus 失效
标题翻译：自备气体手术器械
公开(公告)号：US5645209A
公开(公告)日：1997-07-08
申请号：US559227
申请日：1995-11-17
申请人： David T. Green , Mitchell J. Palmer , Keith L. Milliman , Robert C. Savage , Richard C. McClure , Lisa W. Heaton
发明人： David T. Green , Mitchell J. Palmer , Keith L. Milliman , Robert C. Savage , Richard C. McClure , Lisa W. Heaton
IPC分类号： A61B17/00 , A61B17/072 , A61B17/28 , A61B19/00 , A61B17/068
CPC分类号： A61B17/07207 , A61B17/00234 , A61B2017/00535 , A61B2017/00544 , A61B2017/00548 , A61B2017/07214 , A61B2017/07278 , A61B2017/2926 , A61B2017/2927 , A61B2017/2929 , A61B2017/2936 , A61B2090/038 , A61B2090/0803
摘要： A self contained gas powered endoscopic surgical apparatus is provided for placing lateral lines of surgical fasteners into body tissue. The apparatus includes a frame portion, an elongated portion extending from the frame portion, and an articulating fastener applying assembly associated with a distal end of the elongated portion. The fastener applying assembly includes a base portion, a staple cartridge housing, and an anvil member which has a forming surface thereon against which surgical fasteners are driven as they are ejected from the cartridge housing. A self contained pneumatic system is associated with the frame portion and is actuable to eject the surgical fasteners from the cartridge assembly. A first mechanism is provided for effectuating the rotation of the fastener applying assembly about an axis defined by the body portion, a second mechanism is provided for effectuating the articulation of the fastener applying assembly, and a third mechanism is provided for independently rotating the cartridge housing and anvil member relative to a longitudinal axis defined by the base position to increase the range of operability of the apparatus.
摘要翻译：提供一种自给式气体动力内窥镜手术装置，用于将外科紧固件的侧线放置在身体组织中。该装置包括框架部分，从框架部分延伸的细长部分以及与细长部分的远端相关联的关节式紧固件施加组件。紧固件施加组件包括基部，钉仓壳体和砧座构件，其具有成形表面，外科紧固件在从套筒壳体弹出时被驱动。自包含气动系统与框架部分相关联并且可致动以将外科紧固件从盒组件中弹出。提供第一机构用于实现紧固件施加组件围绕由主体部分限定的轴线的旋转，提供第二机构用于实现紧固件施加组件的铰接，并且提供第三机构用于独立地旋转盒壳体和砧构件相对于由基座位置限定的纵向轴线，以增加设备的可操作性的范围。

4. 发明授权

US5647526A Self contained gas powered surgical apparatus 失效
标题翻译：自备气体手术器械
公开(公告)号：US5647526A
公开(公告)日：1997-07-15
申请号：US559493
申请日：1995-11-15
申请人： David T. Green , Mitchell J. Palmer , Keith L. Milliman , Robert C. Savage , Richard C. McClure , Lisa W. Heaton
发明人： David T. Green , Mitchell J. Palmer , Keith L. Milliman , Robert C. Savage , Richard C. McClure , Lisa W. Heaton
IPC分类号： A61B17/00 , A61B17/072 , A61B17/28 , A61B19/00 , A61B17/068
CPC分类号： A61B17/07207 , A61B17/00234 , A61B2017/00535 , A61B2017/00544 , A61B2017/00548 , A61B2017/07214 , A61B2017/07278 , A61B2017/2926 , A61B2017/2927 , A61B2017/2929 , A61B2017/2936 , A61B2090/038 , A61B2090/0803
摘要： A self contained gas powered endoscopic surgical apparatus is provided for placing lateral lines of surgical fasteners into body tissue. The apparatus includes a frame portion, an elongated portion extending from the frame portion, and an articulating fastener applying assembly associated with a distal end of the elongated portion. The fastener applying assembly includes a base portion, a staple cartridge housing, and an anvil member which has a forming surface thereon against which surgical fasteners are driven as they are ejected from the cartridge housing. A serf contained pneumatic system is associated with the frame portion and is actuable to eject the surgical fasteners from the cartridge assembly. A first mechanism is provided for effectuating the rotation of the fastener applying assembly about an axis defined by the body portion, a second mechanism is provided for effectuating the articulation of the fastener applying assembly, and a third mechanism is provided for independently rotating the cartridge housing and anvil member relative to a longitudinal axis defined by the base position to increase the range of operability of the apparatus.
摘要翻译：提供一种自给式气体动力内窥镜手术装置，用于将外科紧固件的侧线放置在身体组织中。该装置包括框架部分，从框架部分延伸的细长部分以及与细长部分的远端相关联的关节式紧固件施加组件。紧固件施加组件包括基部，钉仓壳体和砧座构件，其具有成形表面，外科紧固件在从套筒壳体弹出时被驱动。包含气动系统的塞车与框架部分相关联并且可致动以从套筒组件弹出外科紧固件。提供第一机构用于实现紧固件施加组件围绕由主体部分限定的轴线的旋转，提供第二机构用于实现紧固件施加组件的铰接，并且提供第三机构用于独立地旋转盒壳体和砧构件相对于由基座位置限定的纵向轴线，以增加设备的可操作性的范围。

5. 发明授权

US5901895A Articulating apparatus for applying surgical fasteners to body tissue 失效
标题翻译：用于将外科紧固件应用于身体组织的铰接装置
公开(公告)号：US5901895A
公开(公告)日：1999-05-11
申请号：US726029
申请日：1996-10-04
申请人： Lisa W. Heaton , Mitchell J. Palmer , Keith L. Milliman , Richard C. McClure , Alan B. Bachman
发明人： Lisa W. Heaton , Mitchell J. Palmer , Keith L. Milliman , Richard C. McClure , Alan B. Bachman
IPC分类号： A61B17/072 , A61B17/28 , A61B17/068
CPC分类号： A61B17/07207 , A61B2017/2927 , A61B2017/2929
摘要： Apparatus for applying surgical fasteners to body tissue which includes a body having a proximal portion defining a central longitudinal axis and an articulating distal portion; a fastener cartridge containing at least one surgical fastener therein and positionable in the articulating distal portion; an anvil mounted adjacent the fastener cartridge and defining a fastener forming surface against which surgical fasteners are formed when ejected from the fastener cartridge; a fastener driving mechanism operatively associated with the fastener cartridge and actuatable from the handle to eject the at least one fastener from the fastener cartridge; a link member having a distal portion offset from the body central longitudinal axis and pivotably connected to the articulating distal portion at a point spaced from the body central longitudinal axis, the link member being movable between a proximal-most position to move the distal portion to an articulated condition away from the central longitudinal axis on a first side of the body and a distal-most position to move the distal portion to an articulated condition away from the central longitudinal axis on a second side of the body; and a control lever connected to the link member and pivotable about a point located along the body central longitudinal axis between a first position corresponding to the proximal-most position of the link member and a second position corresponding to the distal-most position of the link member.
摘要翻译：用于将外科紧固件应用于身体组织的装置，其包括具有限定中心纵向轴线的近端部分和关节式远端部分的主体; 紧固件盒，其中包含至少一个手术紧固件，并且可定位在所述关节式远端部分中; 邻近所述紧固件卡盘安装的砧座，并且限定紧固件成形表面，当从所述紧固件卡盘弹出时，所述砧座形成有外科紧固件; 紧固件驱动机构，其与所述紧固件卡盘可操作地相关联并且可从所述手柄驱动，以将所述至少一个紧固件从所述拉链卡盘中弹出; 连杆构件具有偏离本体中心纵向轴线的远侧部分并且在与本体中心纵向轴线间隔开的点处可枢转地连接到铰接远端部分，该连杆构件可在最近端部位置之间移动，以将远侧部分移动到在所述主体的第一侧上远离所述中心纵向轴线的关节运动状态以及远侧位置，以使所述远侧部分移动到远离所述主体的第二侧上的所述中心纵向轴线的关节运动状态; 以及控制杆，其连接到所述连杆构件并且可围绕位于沿着所述主体中心纵向轴线的点在相对于所述连杆构件的最近侧位置的第一位置和对应于所述连杆的最远位置的第二位置之间枢转的点会员。

6. 发明授权

US5797538A Articulating apparatus for applying surgical fasteners to body tissue 失效
标题翻译：用于将外科紧固件应用于身体组织的铰接装置
公开(公告)号：US5797538A
公开(公告)日：1998-08-25
申请号：US815632
申请日：1997-03-13
申请人： Lisa W. Heaton , Mitchell J. Palmer , Keith L. Milliman , Richard C. McClure
发明人： Lisa W. Heaton , Mitchell J. Palmer , Keith L. Milliman , Richard C. McClure
IPC分类号： A61B17/072 , A61B17/28 , A61B17/068
CPC分类号： A61B17/07207 , A61B2017/2927 , A61B2017/2929
摘要： Apparatus for applying a plurality of surgical fasteners to body tissue includes an elongated body extending from a handle assembly. A fastener cartridge housing pivotably connected to a distal portion of the elongated body receives a fastener cartridge containing a plurality of surgical fasteners. A fastener driving mechanism actuatable from the handle assembly ejects fasteners from the fastener cartridge to form them against an anvil mounted adjacent the cartridge housing. The fastener cartridge is pivotably movable from a position in alignment with a longitudinal axis of the elongated body to a position out of alignment with the elongated body. Visual indication of the relative position of the fastener cartridge is provided by a control lever which is movable toward and away from the handle assembly to correspond with movement of the fastener cartridge. A clamp mechanism is also provided to move the anvil relative to the cartridge housing to clamp tissue therebetween.
摘要翻译：用于将多个手术紧固件应用于身体组织的装置包括从手柄组件延伸的细长主体。可枢转地连接到细长主体的远端部分的紧固件盒壳体容纳包含多个外科紧固件的紧固件盒。可从手柄组件致动的紧固件驱动机构从紧固件卡扣中弹出紧固件，以将它们抵靠靠近墨盒壳体安装的砧座。紧固件盒可以从与细长主体的纵向轴线对准的位置枢转地移动到与细长主体不对准的位置。紧固件卡盘的相对位置的可视指示由控制杆提供，该控制杆可朝向和远离手柄组件移动以对应于紧固件卡盘的运动。还提供夹持机构以使砧座相对于盒壳体移动以在其间夹紧组织。

7. 发明授权

US5879357A Apparatus for marking tissue location 失效
标题翻译：用于标记组织位置的装置
公开(公告)号：US5879357A
公开(公告)日：1999-03-09
申请号：US926695
申请日：1997-09-10
申请人： Lisa W. Heaton , Mitchell J. Palmer , Keith L. Milliman , Jonathan E. Wilson
发明人： Lisa W. Heaton , Mitchell J. Palmer , Keith L. Milliman , Jonathan E. Wilson
IPC分类号： A61B17/34 , A61B19/00 , A61B17/00
CPC分类号： A61B90/39 , A61B2017/3484 , A61B2090/3908 , A61B2090/3987
摘要： A surgical apparatus for marking a location within tissue which includes (i) a needle including a housing and an elongated tube having a sharp distal end, (ii) an elongated cable configured and dimensioned to pass through a longitudinal passageway formed through the needle, (iii) an elongated tissue marker attached adjacent a distal end of the elongated cable such that the elongated marker is movable between a retracted orientation and a deployed orientation, and (iv) an actuator assembly operatively associated with the elongated marker, wherein movement of the actuator assembly from a first position to a second position moves the elongated marker from the retracted position to the deployed position. A method of marking a particular location in body tissue is also provided, which includes the steps of (i) inserting an apparatus into a section of body tissue, (ii) deploying an elongated marker having an elongated cable attached thereto from the apparatus into the tissue, (iii) retaining the elongated cable relative the distal end of the apparatus, and (iv) moving the elongated marker into an orientation substantially perpendicular to the elongated cable.
摘要翻译：一种用于标记组织内部位置的手术装置，其包括（i）包括壳体的针和具有尖锐远端的细长管，（ii）细长电缆，其被配置和尺寸设置成穿过通过针形成的纵向通道（ iii）细长组织标记，其附接在细长电缆的远端附近，使得细长标记可在收缩方向和展开方向之间移动，以及（iv）可操作地与细长标记相关联的致动器组件，其中致动器的运动从第一位置到第二位置的组合将细长标记从缩回位置移动到展开位置。还提供了一种在身体组织中标记特定位置的方法，其包括以下步骤：（i）将装置插入身体组织的部分，（ii）展开细长的标记，所述标记具有从所述装置连接到其上的细长电缆，组织，（iii）相对于设备的远端保持细长的电缆，以及（iv）将细长的标记物移动到基本垂直于细长电缆的取向。

8. 发明授权

US6165137A Apparatus and method for localizing and removing tissue 失效
标题翻译：用于定位和去除组织的装置和方法
公开(公告)号：US6165137A
公开(公告)日：2000-12-26
申请号：US397776
申请日：1999-09-16
申请人： Keith L. Milliman , Lisa W. Heaton , Mitchell J. Palmer , Joseph M. DeVivo
发明人： Keith L. Milliman , Lisa W. Heaton , Mitchell J. Palmer , Joseph M. DeVivo
IPC分类号： A61B10/00 , A61B10/02 , A61B17/00 , A61B17/32 , A61B17/34 , A61B18/00 , A61B19/00 , A61B5/00
CPC分类号： A61B10/0266 , A61B17/34 , A61B17/3417 , A61B90/17 , A61B90/39 , A61B2017/008 , A61B2017/32004 , A61B2017/320044 , A61B2018/00077 , A61B2090/3908
摘要： A surgical apparatus for securing a needle extending therethrough includes a post having a channel therein mounted to a base. The post is positioned in operative alignment with the needle mounted on the base. A locking member is associated with the post in operative alignment with the needle. The locking member defines an opening therethrough to receive the needle, and the locking member is operable between a needle receiving position wherein the needle may be inserted or removed from the locking member and a needle retaining position wherein the needle is retained in at least one direction of movement. A method for surgically localizing and removing tissue includes the steps of providing a tissue cutting member mounted on a base and defining an opening near a distal end, the tissue cutting member further forming a tissue receiving cavity in communication with the opening, a needle disposed within the cavity and defining a longitudinal passageway therethrough, a post mounted on the base and a locking member mounted on the post and defining having a needle receiving opening in operative alignment with the needle, the locking member being operable between a needle receiving position wherein the needle may be inserted or removed from the locking member and a needle retaining position wherein the needle is retained in at least one direction of movement, locking the needle within the locking member by rotating the locking member into the needle retaining position, positioning the needle within target tissue, severing the tissue to be removed and removing the severed tissue from a patient.
摘要翻译：用于固定延伸穿过其中的针的手术装置包括具有其中安装到基部的通道的柱。该柱被定位成与安装在基座上的针头操作对准。锁定构件与柱相关联，与针可操作地对准。锁定构件限定穿过其中的开口以容纳针，并且锁定构件可在针接收位置之间操作，其中针可以从锁定构件插入或移除，并且针保持位置，其中针保持在至少一个方向的运动。用于手术定位和去除组织的方法包括以下步骤：提供安装在基部上并限定靠近远端的开口的组织切割构件，所述组织切割构件进一步形成与开口连通的组织接收腔，空腔并且限定穿过其中的纵向通道，安装在基座上的柱和安装在柱上并限定具有与针可操作对准的针接收开口的锁定构件，所述锁定构件可在针接收位置之间操作，其中针可以从锁定构件插入或移除针头保持位置，其中针被保持在至少一个运动方向上，通过将锁定构件旋转到针保持位置将针定位在目标位置中，将针锁定在锁定构件内组织切断要去除的组织并从患者身上移除切断的组织。

9. 发明授权

US5782775A Apparatus and method for localizing and removing tissue 失效
标题翻译：用于定位和去除组织的装置和方法
公开(公告)号：US5782775A
公开(公告)日：1998-07-21
申请号：US665176
申请日：1996-06-14
申请人： Keith L. Milliman , Mitchell J. Palmer , Lisa W. Heaton
发明人： Keith L. Milliman , Mitchell J. Palmer , Lisa W. Heaton
IPC分类号： A61B10/00 , A61B10/02 , A61B17/00 , A61B17/32 , A61B17/34 , A61B18/00 , A61B19/00 , A61B5/00
CPC分类号： A61B10/0266 , A61B17/34 , A61B90/17 , A61B90/39 , A61B17/3417 , A61B2017/008 , A61B2017/32004 , A61B2017/320044 , A61B2018/00077 , A61B2090/3908
摘要： A surgical apparatus for localizing and removing tissue is provided which includes a housing defining an opening at a distal end, the housing further forming a tissue receiving cavity in communication with the opening, a localizing needle disposed within the cavity and defining a longitudinal passageway therethrough, a tissue marker housed within the longitudinal passageway, a marker deploying mechanism operatively connected to the marker, and a tissue cutting member operatively connected to the housing in proximity to the opening. A method for surgically localizing and removing tissue is also provided which includes the steps of (1) providing a tissue localizing and removing instrument including an housing having a tissue receiving cavity at a distal end, a tissue localization needle operatively connected to the housing, a marker disposed within a longitudinal passageway of the tissue localization needle; and a tissue cutting member operatively connected to the housing (2) positioning the tissue localization needle within target tissue (3) deploying the marker to mark the target tissue, (4) severing the tissue to be removed, and (5) removing the severed tissue from the patient.
摘要翻译：提供了一种用于定位和去除组织的手术装置，其包括在远端限定开口的壳体，所述壳体进一步形成与所述开口连通的组织接收腔，设置在所述空腔内并限定穿过其中的纵向通道的定位针，容纳在纵向通道内的组织标记，可操作地连接到标记的标记展开机构，以及可靠地连接到壳体的组织切割构件。还提供了用于手术定位和去除组织的方法，其包括以下步骤：（1）提供组织定位和移除器械，其包括在远端具有组织接收腔的壳体，可操作地连接到所述壳体的组织定位针，标记物设置在组织定位针的纵向通道内; 以及组织切割构件，其可操作地连接到所述壳体（2），将组织定位针定位在目标组织（3）内，展开所述标记以标记所述目标组织，（4）切断要移除的组织，以及（5）来自患者的组织。

10. 发明授权

US06077231A Apparatus and method for localizing and removing tissue 失效
公开(公告)号：US06077231A
公开(公告)日：2000-06-20
申请号：US971539
申请日：1997-11-17
申请人： Keith L. Milliman , Mitchell J. Palmer , Lisa W. Heaton , Joseph M. DeVivo
发明人： Keith L. Milliman , Mitchell J. Palmer , Lisa W. Heaton , Joseph M. DeVivo
IPC分类号： A61B10/00 , A61B10/02 , A61B17/00 , A61B17/32 , A61B17/34 , A61B18/00 , A61B19/00 , A61B5/00
CPC分类号： A61B10/0266 , A61B17/34 , A61B90/17 , A61B90/39 , A61B17/3417 , A61B2017/008 , A61B2017/32004 , A61B2017/320044 , A61B2018/00077 , A61B2090/3908
摘要： A surgical apparatus for securing a needle extending therethrough includes a post having a channel therein mounted to a base. The post is positioned in operative alignment with the needle mounted on the base. A locking member is associated with the post in operative alignment with the needle. The locking member defines an opening therethrough to receive the needle, and the locking member is operable between a needle receiving position wherein the needle may be inserted or removed from the locking member and a needle retaining position wherein the needle is retained in at least one direction of movement. A method for surgically localizing and removing tissue includes the steps of providing a tissue cutting member mounted on a base and defining an opening near a distal end, the tissue cutting member further forming a tissue receiving cavity in communication with the opening, a needle disposed within the cavity and defining a longitudinal passageway therethrough, a post mounted on the base and a locking member mounted on the post and defining having a needle receiving opening in operative alignment with the needle, the locking member being operable between a needle receiving position wherein the needle may be inserted or removed from the locking member and a needle retaining position wherein the needle is retained in at least one direction of movement, locking the needle within the locking member by rotating the locking member into the needle retaining position, positioning the needle within target tissue, severing the tissue to be removed and removing the severed tissue from a patient.

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