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    • 1. 发明授权
    • Methods of making composite ultrasonic transducers
    • 制作复合超声波换能器的方法
    • US6088894A
    • 2000-07-18
    • US192600
    • 1998-11-17
    • Clyde G. OakleyStephen J. Douglas
    • Clyde G. OakleyStephen J. Douglas
    • B06B1/06H01L41/22
    • H01L41/37B06B1/064Y10T29/42
    • An improved composite ultrasonic transducer, and elements therefor, which may be made autoclavable, and a method of making these elements. A number of planar precursors comprising strips of piezoelectric ceramic material separated from one another by a polymer material are stacked one above another with the ceramic strips aligned with one another, and with electrical conductors disposed between each of the planar precursors. These precursors are then bonded to one another, to form a bonded assembly. The bonded assembly is then slit along parallel lines perpendicular to the direction of elongation of the ceramic strips, subdividing the strips into individual ceramic members and also subdividing the planar conductors, forming ribbon-like conductors extending between opposite sides of the array. The saw kerfs are filled with a hardening polymer material. The ribbon-like conductors reaching the edges of the assembly are then connected electrically in parallel, reducing the capacitance of the individual emitters. Criteria for selection of the materials of the ceramic members, the conductors, and other components of the transducer, and their relative proportions are given which allow the transducer to be steam-autoclavable.
    • 一种改进的复合超声波换能器及其元件,其可以进行高压灭菌,以及制造这些元件的方法。 包括通过聚合物材料彼此分离的压电陶瓷材料条的多个平面前体彼此层叠,陶瓷条彼此对准,并且电导体设置在每个平面前体之间。 然后将这些前体彼此结合,形成结合组件。 然后将粘合组件沿着垂直于陶瓷条的伸长方向的平行线切割,将条细分成单独的陶瓷构件,并且还划分平面导体,形成在阵列的相对侧之间延伸的带状导体。 锯切切屑填充有硬化聚合物材料。 到达组件边缘的带状导体然后并联电连接,从而减小各个发射器的电容。 给出用于选择陶瓷构件,导体和换能器的其它部件的材料的标准及其相对比例,其允许换能器被蒸汽高压灭菌。
    • 2. 发明授权
    • Endosurgical ultrasonic probe with integrated biopsy actuator
    • 内窥镜超声探头与集成活检执行器
    • US5437283A
    • 1995-08-01
    • US228507
    • 1994-04-15
    • Joseph V. RanallettaDennis R. DietzClyde G. Oakley
    • Joseph V. RanallettaDennis R. DietzClyde G. Oakley
    • A61B8/12
    • A61B8/12A61B8/445A61B8/4488
    • A medical endosurgical device is provided having both ultrasonic imaging and biopsy capabilities for easy grasping and manipulation by a surgeon. The medical endosurgical apparatus includes an ultrasonic imaging probe having an insertion portion with an ultrasonic device near the insertion tip and a probe handle for manipulating the ultrasonic imaging probe to position the ultrasonic device in the patient's body. The medical endosurgical device also includes a biopsy actuator that is mounted on the handle of the ultrasonic imaging probe so that a biopsy needle assembly exiting from the biopsy actuator is oriented to the field of view of the ultrasonic device on the probe. The medical endosurgical apparatus may also include a rigid sheath disposed over the insertion portion of the ultrasonic imaging probe that is engaged with and oriented to the ultrasonic imaging probe such that a biopsy needle assembly passing through a lumen in the rigid sheath would be oriented to the field of view of the ultrasonic device.
    • 提供具有超声波成像和活检能力的医疗外科手术装置,以便于外科医生的抓握和操纵。 医用内窥镜装置包括超声波成像探头,该超声波成像探头具有在插入尖端附近具有超声波装置的插入部分和用于操纵超声波成像探头以将超声波装置定位在患者体内的探针手柄。 医学内窥镜装置还包括安装在超声成像探针的手柄上的活检致动器,使得从活检致动器离开的活检针组件定向到探针上的超声波装置的视场。 医学内窥镜装置还可以包括设置在超声成像探针的插入部分上方的刚性护套,其与超声成像探针接合并定向到超声成像探针,使得穿过刚性护套中的内腔的活检针组件将被定向到 超声波装置的视野。
    • 6. 发明授权
    • Connector assembly having control lever actuation
    • 具有控制杆致动的连接器组件
    • US5368496A
    • 1994-11-29
    • US164578
    • 1993-12-10
    • Joseph V. RanallettaMichael de Angeli
    • Joseph V. RanallettaMichael de Angeli
    • A61N7/00H01R13/193H01R13/641H01R13/15
    • H01R13/641A61N7/00H01R13/193H01R13/62944
    • A connector mechanism for locking together first and second mating connector elements comprises a locking lever geared to rotate a locking rod returned by one of the connector elements. The tip of the locking rod extends into a mating recess in the other of the connector elements. When the rod is rotated, a helical member extending therearound slides along a cooperating arcuate member formed in the recess, locking the two elements together. The actuating rod is rotated by a control lever, enabling one-hand operation of the connector, and providing a readily ascertainable visual indication of the status of the connection. A locking member may be provided for preventing rotation of the lever except when the elements have been correctly assembled to one another.
    • 用于将第一和第二匹配连接器元件锁定在一起的连接器机构包括锁定杆,该锁定杆适于旋转由连接器元件之一返回的锁定杆。 锁定杆的尖端延伸到另一个连接器元件中的配合凹槽中。 当杆旋转时,在其周围延伸的螺旋构件沿着形成在凹部中的协作弓形构件滑动,将两个元件锁定在一起。 致动杆由控制杆旋转,使得连接器能够单手操作,并提供容易确定的连接状态的可视指示。 可以设置锁定构件,用于防止杠杆的旋转,除非元件彼此正确地组装在一起。