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    • 5. 发明授权
    • Polymeric rotatable shaver blade with interlocking cutting tip
    • 具有互锁切割尖端的聚合物旋转剃须刀
    • US5540708A
    • 1996-07-30
    • US326136
    • 1994-10-19
    • Joepert LimA. Frank TrottWilliam F. MazurekWarren BarrettW. Lane Ector, Jr.
    • Joepert LimA. Frank TrottWilliam F. MazurekWarren BarrettW. Lane Ector, Jr.
    • A61B17/3211A61B17/32
    • A61B17/32002
    • A rotatable shaver having inner and/or outer non-metallic elongated blades for use in endoscopic surgical procedures. In one embodiment a rotatable, elongated non-metallic inner tubular member is disclosed for use with a non-rotatable elongated metallic outer tubular member, the inner member having a flexible, non-metallic tubular body, a proximal hub and a distal tip provided with a cutting tip having a cutting edge formed therein. The elongated tubular body of the inner member is mechanically joined at its proximal end to the hub and at its distal end to the cutting tip. The mechanical connection enables the transmission of torque from the proximal end of the inner member to the distal end while sufficiently holding the tip, tube and hub assembly together to enable insertion and removal of the assembly into and from the outer member.
    • 具有用于内窥镜外科手术的内部和/或外部非金属细长刀片的可旋转剃须刀。 在一个实施例中,公开了可旋转的细长非金属内管状构件,用于与不可旋转的细长金属外管状构件一起使用,内构件具有柔性非金属管状体,近端毂和远端 具有形成在其中的切削刃的切削刀片。 内部构件的细长管状体在其近端处机械连接到毂并且在其远端机械连接到切割尖端。 机械连接使得能够将扭矩从内部构件的近端传递到远端,同时充分地将尖端,管和毂组件保持在一起,以使组件能够插入外部构件和从外部构件移除。
    • 6. 发明授权
    • Wrenchless collect for surgical blade
    • 手术刀无钳夹
    • US5729904A
    • 1998-03-24
    • US548351
    • 1995-11-01
    • A. Frank Trott
    • A. Frank Trott
    • A61B17/00A61B17/14B23D51/10
    • B23D51/10A61B17/142A61B2017/00477
    • A wrenchless collet for attaching a surgical saw blade to an oscillating handpiece. The collet is provided within a housing attached to the handpiece and contains a clamping means for holding the blade and a bi-stable operating mechanism capable of holding the clamping means in either an open position to receive the blade or in a closed position to hold the blade for use with the handpiece. The bi-stable operating mechanism is activated into either position by simply being pushed in one direction or another. In one embodiment, the bi-stable operating mechanism comprises a shaft which may be positioned to one axial extreme or the other and which is held in the chosen position by a spring which frictionally engages the collet housing to maintain the clamping means in either an open or closed position.
    • 一种用于将手术锯片附接到摆动手机上的无扳手夹头。 夹头设置在附接到手持件的壳体内,并且包括用于保持刀片的夹持装置和能够将夹紧装置保持在打开位置以接收刀片或处于关闭位置的双稳态操作机构, 刀片用于手机。 通过简单地沿一个方向推动双稳态操作机构被激活到任一位置。 在一个实施例中,双稳态操作机构包括可以被定位到一个轴向极端或另一个的轴,并且通过与夹头壳体摩擦接合以保持夹紧装置处于打开状态的弹簧保持在选定位置的轴 或关闭位置。
    • 8. 发明授权
    • Cannulated tissue anchor insertion system
    • 插管组织锚插入系统
    • US6074395A
    • 2000-06-13
    • US243059
    • 1999-02-02
    • A. Frank TrottSam R. MarchandAnne F. Booth
    • A. Frank TrottSam R. MarchandAnne F. Booth
    • A61B17/56A61B17/00A61B17/064A61B17/068A61B17/34A61B17/88
    • A61B17/068A61B2017/0646
    • A system for inserting a cannulated tissue anchor during endoscopic or other surgical procedures. The system incorporates an insertion instrument for inserting into a surgical site of implantation an elongated generally cylindrical tissue anchor having, for example, a plurality of barbs outwardly extending from its body and a transverse head situated at its proximal end. The anchor may be inserted by a single-handed operation of the instrument through a series of sequential pulls of a trigger, each pull affecting motion of a particular element. In a preferred embodiment, three trigger pulls are sufficient to penetrate the site of implantation and deliver the anchor slidably along the needle. The instrument operates with replaceable subassemblies each containing a particular size cannulated anchor, having a longitudinally slidable needle for guiding the anchor into place and a longitudinally slidable push rod for pushing the anchor along the needle.
    • 一种在内窥镜或其他手术过程中插入插管组织锚的系统。 该系统包括用于插入到植入手术部位的插入器具,细长的大致圆柱形的组织锚固器具有例如从其主体向外延伸的多个倒钩和位于其近端的横向头部。 可以通过仪器的单手操作通过一系列触发器的顺序拉动来插入锚,每次拉动影响特定元件的运动。 在优选实施例中,三个触发器拉动足以穿透植入部位并沿着针可滑动地输送锚固件。 该仪器用可更换的子组件操作,每个组件都包含特定尺寸的管状锚固件,具有用于将锚定件引导到位的纵向可滑动的针和用于沿着针推动锚的纵向可滑动的推杆。
    • 9. 发明授权
    • Rotatable surgical burr
    • 可旋转手术毛刺
    • US5851208A
    • 1998-12-22
    • US732539
    • 1996-10-15
    • A. Frank Trott
    • A. Frank Trott
    • A61B17/28A61B17/32F16C1/04A61B17/56
    • F16C1/04A61B17/32002A61B2017/2904A61B2017/2905A61B2017/320032
    • An elongated, rotatable surgical cutting instrument having a rotatable cutting element at the distal end of a bendable non-rotating elongated outer member. The instrument enables operation of various cutting devices such as a bendable rotatable burr. In one embodiment the cutting element is rotatably, but irremovably attached to the distal end of the outer member. The proximal end of the cutting element is then releasably attached to the distal end of a flexible coupling which in turn is attached to the distal end of an elongated inner member. The assembly is then rotatably secured within the outer member so the cutting element may be rotated via the inner member. An aspirating lumen extends through the cutting element, the flexible coupling and the inner member and the inner member may be removed from the outer member without detaching the cutting element therefrom. In another embodiment, the cutting element is removable from the outer member when the inner member is removed.
    • 一种细长的,可旋转的外科切割器具,在可弯曲的非旋转细长外部构件的远端具有可旋转的切割元件。 该仪器能够操作各种切割装置,例如可弯曲的可旋转的毛刺。 在一个实施例中,切割元件是可旋转的,但不可移除地附接到外部构件的远端。 然后,切割元件的近端可释放地附接到柔性联接器的远端,柔性联接器的远端又附接到细长内部构件的远端。 然后,组件可旋转地固定在外部构件内,使得切割元件可以经由内部构件旋转。 抽吸腔延伸穿过切割元件,柔性联接器和内部构件和内部构件可以从外部构件移除而不从其拆卸切割元件。 在另一个实施例中,当内部构件被移除时,切割元件可从外部构件移除。
    • 10. 发明授权
    • Centrifugal chuck for surgical handpiece
    • 离心式卡盘用于手术机头
    • US5833246A
    • 1998-11-10
    • US851900
    • 1997-05-06
    • A. Frank Trott
    • A. Frank Trott
    • B23B31/14
    • B23B31/14Y10T279/247
    • A centrifugal chuck for a surgical handpiece is adapted to automatically engage a surgical instrument so it may be driven by the handpiece. The centrifugal chuck comprises a pivotable trunnion body situated within a hollow drive shaft, the trunnion body having a throughbore coaxially aligned with the axis of the hollow drive shaft in order to receive the shaft of the surgical instrument. The trunnion body is secured to a pair of lever arms symmetrically situated about the exterior of the drive shaft, the lever arms extending in opposite proximal and distal directions from the pivotable attachment of the trunnion body to the drive shaft. Rotation of the drive shaft causes radially outward movement of the lever arms thereby misaligning the throughbore of the trunnion body relative to the drive shaft in order to frictionally engage the shaft of the surgical instrument. A spring member integrally formed with each lever arm maintains a predetermined bias on the trunnion body in order to provide a predetermined minimum amount of friction to enable the instrument shaft to be retained within the handpiece at speeds below those at which the centrifugal forces become operative. The invention also resides in the method of attaching a surgical instrument to a handpiece utilizing a centrifugal clutch.
    • 用于外科手持机器的离心夹具适于自动地接合手术器械,使其可由手持件驱动。 离心夹盘包括位于中空驱动轴内的可枢转的耳轴体,耳轴本体具有与中空驱动轴的轴线同轴对准的通孔,以便容纳外科器械的轴。 耳轴体被固定到一对杠杆臂上,所述杠杆臂围绕驱动轴的外部对称地设置,杠杆臂在耳轴本体的可枢转附件与驱动轴相对的近端和远端方向上延伸。 驱动轴的旋转导致杠杆臂的径向向外运动,从而相对于驱动轴使耳轴体的通孔不对准,以摩擦地接合外科器械的轴。 与每个杠杆臂一体地形成的弹簧构件在耳轴体上保持预定的偏压,以便提供预定的最小量的摩擦力,以使仪器轴能够以低于离心力变得可操作的速度保持在手持件内。 本发明还涉及使用离心式离合器将手术器械附接到手持件的方法。