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    • 1. 发明授权
    • Piezo ultrasonic and electrosurgical handpiece
    • 压电超声波和电外科手机
    • US5312329A
    • 1994-05-17
    • US44430
    • 1993-04-07
    • Michael A. BeatyArlan J. ReschkeRobert B. StoddardJon P. PageBandele Jeffrey-CokerMichael OlichneyEmery S. Rose
    • Michael A. BeatyArlan J. ReschkeRobert B. StoddardJon P. PageBandele Jeffrey-CokerMichael OlichneyEmery S. Rose
    • A61B18/00A61B17/32A61B18/12A61B18/14A61M1/00
    • A61B17/320068A61B18/14A61B2017/320084A61B2217/005
    • An ultrasonic and electrosurgical handpiece housing has an axis, a distal end, a proximal end and a passage defined by an inside wall. A piezo stack has elements carried along a plane generally transverse to the axis. A retainer for the elements has distal, intermediate and proximal portions. The distal portion has a fastener; the proximal portion has a threaded shoulder bolt. The stack about the shoulder has an energy input and a reference output positioned axially apart from one another. An insulating sleeve about the bolt is between central openings of the elements and the bolt. A pair of insulators about the bolt has the stack therebetween; one insulator is between the plane and the stack and the other is near the threads. The intermediate portion attaches to the housing at the plane with decoupling and sealing. An irrigation channel conveys fluid. The drive energy input, the feedback signal and the reference outputs are insulated by the sleeve and pair from the bolt. A washer against the insulator and about the threads applies axial but not torsion to the insulator when a clamping nut on the threads holds components on the bolt. The clamping nut is in circuit with electrosurgical energy as the reference return for electrosurgery. A tool fastens to a connector for transmitting axial vibrations in the form of a predefined stroke at a tip thereof.
    • 超声波和电外科手持壳体具有轴线,远端,近端和由内壁限定的通道。 压电堆栈具有沿着大致横向于轴线的平面运送的元件。 元件的保持器具有远端,中间和近端部分。 远侧部分具有紧固件; 近端部分具有螺纹肩部螺栓。 围绕肩部的堆叠具有彼此轴向分开定位的能量输入和参考输出。 围绕螺栓的绝缘套管位于元件的中心开口和螺栓之间。 围绕螺栓的一对绝缘体之间具有叠层; 一个绝缘体在平面和堆叠之间,另一个位于螺纹附近。 中间部分在平面处与脱开和密封附接到壳体。 灌溉渠道输送流体。 驱动能量输入,反馈信号和参考输出由套筒和对与螺栓绝缘。 当螺纹上的夹紧螺母保持螺栓上的部件时,抵靠绝缘体并且围绕螺纹的垫圈对轴承施加轴向但不扭转。 夹紧螺母与电外科手术电路作为电外科手术的参考回路。 工具紧固到用于在其尖端处以预定行程的形式传递轴向振动的连接器。
    • 4. 发明授权
    • Bayonet connector for surgical handpiece
    • 用于外科手机的卡口连接器
    • US5466020A
    • 1995-11-14
    • US367420
    • 1994-12-30
    • Jon P. PageRobert B. Stoddard
    • Jon P. PageRobert B. Stoddard
    • F16L37/24A61B17/00A61B17/32F16L37/252F16L19/00
    • F16L37/252A61B17/320068A61B2017/00477Y10S285/906
    • A connection of first and second members wherein each has a body and a connecting end with an inner surface so the second connecting end has an outer surface shaped for telescoping into the inner surface of the first connecting end. A shoulder is located on the second member and a groove is in the outer surface of the second connecting end. A raised nub on the inner surface of the first connecting end is radially inward to engage the groove. An elastomeric gasket is positioned to bear against the shoulder and be compressed between the first and second bodies. An engaging trough in the groove holds the first connecting end against the shoulder with the nub against the groove by the compression force of the gasket. An indexing trough in the groove positioned along the groove beyond the engaging trough allows the nub to follow therethrough and slightly compress the gasket thus giving the user a tactile indication that it has been rotated beyond the engaging trough. A method for fluid tight attachment of members of a medical device has steps including providing the connection of the first and second members with ends by telescoping the ends. Locating a groove for operating the groove as a cam and locating a raised nub of material on the inner surface of the first connecting end for positioning the raised nub to engage the groove for operating the raised nub as a follower of the cam are steps. Compressing a gasket seal between the first connecting end and the shoulder while making the gasket seal from an elastomeric material is a step. Positioning an engaging trough in the groove to hold the first and second connecting ends against each other is a step. Positioning an indexing trough in the groove so when the nub is rotatably forced past the engaging trough it will further compress the first end against the gasket is a step.
    • 第一和第二构件的连接,其中每个具有本体和具有内表面的连接端,使得第二连接端具有成形为用于伸缩到第一连接端的内表面中的外表面。 肩部位于第二构件上,并且凹槽位于第二连接端的外表面中。 在第一连接端的内表面上的凸起的凸块是径向向内以接合凹槽。 弹性体垫片定位成承受肩部并在第一和第二体之间被压缩。 槽中的接合槽通过垫圈的压缩力将第一连接端部抵靠肩部与凸块抵靠凹槽。 沿着凹槽定位的槽中的分度槽超过接合槽允许凸块沿其穿过并稍微压缩垫圈,从而为使用者提供了已经旋转超过接合槽的触觉指示。 用于医疗装置的部件的流体紧密附接的方法具有包括通过伸缩端部来提供第一和第二构件与端部的连接的步骤。 定位用于操作槽的凹槽作为凸轮并且将凸起的材料部分定位在第一连接端的内表面上,用于定位凸起的凸块以接合用于操作作为凸轮的从动件的凸起的凸起的凹槽。 在从弹性体材料制造垫圈密封件的同时,在第一连接端和肩部之间压缩垫圈密封是一步。 将接合槽定位在槽中以将第一和第二连接端彼此保持是一个步骤。 将分度槽定位在凹槽中,使得当凸块可旋转地被迫通过接合槽时,它将进一步将第一端压靠在垫圈上。