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    • 6. 发明授权
    • Ultrasonic endoscope
    • 超声内窥镜
    • US08066643B2
    • 2011-11-29
    • US11666779
    • 2005-10-04
    • Takuya ImahashiAkiko MizunumaYukihiko SawadaKatsuhiro WakabayashiSunao Sato
    • Takuya ImahashiAkiko MizunumaYukihiko SawadaKatsuhiro WakabayashiSunao Sato
    • A61B8/00
    • A61B8/12A61B8/445A61B8/4483B06B1/0633
    • The present invention provides an ultrasonic endoscope, comprising: an ultrasonic transducer in a cylindrical shape including a plurality of piezoelectric devices, an acoustic matching layer stacked on a principal plane on a sound emitting plane side, an acoustic lens on a plane of the acoustic matching layer opposite to a plane facing the piezoelectric devices, and a backing material stacked on another principal planes of the piezoelectric devices; an endoscopic observation and endo-therapy unit provided, for performing endoscopic image observation, at a proximal end side of the ultrasonic transducer; a cable assembly including a plurality of cables for transmitting signals to and from the ultrasonic transducer. In the above configuration, the cable assembly is arranged in such a manner that the cable assembly passes through an inside portion of the ultrasonic transducer, and is connected to the ultrasonic transducer at a distal end side of the ultrasonic transducer. Thereby, an ultrasonic endoscope is provided that has an ultrasonic transducer in which the ultrasonic transducer and coaxial cables will not be disconnected even under thermal or mechanical loads.
    • 本发明提供一种超声波内窥镜,其特征在于,包括:圆筒状的超声波振子,包括多个压电元件,声发射平面侧的主平面上叠加的声匹配层,声匹配平面上的声透镜 与面向压电元件的平面相对的层,以及堆叠在压电器件的另一个主平面上的背衬材料; 在超声波换能器的基端侧设置有用于进行内窥镜图像观察的内窥镜观察和内窥治疗单元; 电缆组件,其包括用于向超声换能器发送信号的多条电缆。 在上述结构中,电缆组件布置成使得电缆组件穿过超声波换能器的内部,并且在超声波换能器的远端侧连接到超声换能器。 因此,提供了具有超声波换能器的超声波内窥镜,其中即使在热或机械负载下,超声波换能器和同轴电缆也不会断开。
    • 7. 发明申请
    • Ultrasound Endoscope
    • 超声内窥镜
    • US20080119738A1
    • 2008-05-22
    • US11883754
    • 2005-12-29
    • Takuya ImahashiKatsuhiro WakabayashiYukihiko SawadaAkiko MizunumaHidemichi AokiSunao Sato
    • Takuya ImahashiKatsuhiro WakabayashiYukihiko SawadaAkiko MizunumaHidemichi AokiSunao Sato
    • A61B8/12A61B1/005
    • A61B1/0055A61B1/00071A61B1/00094A61B1/00096A61B1/00114A61B1/00119A61B8/12A61B8/445A61B8/4488
    • An ultrasound endoscope comprises an ultrasonic probe where a plurality of ultrasonic transducer elements for transmitting/receiving ultrasounds are arranged in a nearly cylindrical form, a distal rigid section which configures the tip of an endoscopic insertion tube and in which the ultrasonic probe is provided, a bending tube to which the distal rigid section is connected and which bends with remote operation, a flexible tube connected to the bending tube, and a signal line bundle which is a bundle of signal lines corresponding to respective ultrasonic transducer elements for transmitting a drive signal driving each of the ultrasonic transducer elements and which passes through the insides of the distal rigid section, the bending tube, and the flexible tube. The signal line bundle is covered with a binding member for binding the signal line bundle, and the binding force of the binding member which covers an area of the signal line bundle in a predetermined range in the signal line bundle included in the bending tube is made smaller than the binding force of the binding member which covers the signal line bundle in areas other than the predetermined range.
    • 超声波内窥镜包括:超声波探头,其中用于发送/接收超声波的多个超声波换能器元件以近似圆柱形的形式布置;构造内窥镜插入管的尖端的远端刚性部分,其中设置有超声波探头, 弯曲管,其远端刚性部分连接到其上并且远程操作弯曲;连接到弯曲管的柔性管;以及信号线束,其是对应于各个超声波换能器元件的信号线束,用于传输驱动信号驱动 每个超声换能器元件并且穿过远端刚性部分,弯曲管和柔性管的内部。 信号线束被用于绑定信号线束的装订构件覆盖,并且制成覆盖在弯曲管中包括的信号线束中的预定范围内的信号线束的区域的绑定构件的绑定力 小于在预定范围以外的区域中覆盖信号线束的装订构件的绑定力。
    • 10. 发明授权
    • Array ultrasonic transducer having piezoelectric devices
    • 具有压电器件的阵列超声换能器
    • US07696671B2
    • 2010-04-13
    • US11665208
    • 2005-10-04
    • Yukihiko SawadaAkiko MizunumaKatsuhiro WakabayashiTakuya ImahashiSunao Sato
    • Yukihiko SawadaAkiko MizunumaKatsuhiro WakabayashiTakuya ImahashiSunao Sato
    • H01L41/08
    • B06B1/0622Y10T29/42Y10T29/49005
    • An ultrasonic transducer in which lead wire connection is facilitated even when piezoelectric devices are divided in order to prevent lateral vibrations from affecting longitudinal vibrations is manufactured by a method comprising: a step in which first dicing grooves are formed on an acoustic matching layer and a piezoelectric device plate that are mounted together in order to form a plurality of piezoelectric devices; a step in which a board and the respective piezoelectric devices are connected together; a step in which surfaces in the vicinity of locations at which the board and the piezoelectric devices are connected together are coated with a conductive sheet; and a step in which the plurality of transducer elements are formed by forming second dicing grooves between the first dicing grooves formed on the piezoelectric devices and the board that is coated with the conductive sheet and on the acoustic matching layer.
    • 一种超声波换能器,其中即使在压电装置被分割以便防止横向振动影响纵向振动的情况下,导线连接也被促进,其方法包括:一个步骤,其中在声匹配层上形成第一切割槽和压电 装置板,其安装在一起以形成多个压电装置; 板和各个压电装置连接在一起的步骤; 将板和压电元件连接在一起的位置附近的表面涂覆有导电片的步骤; 以及通过在形成在压电元件上的第一切割槽与被覆有导电片的基板和声匹配层之间形成第二切割槽来形成多个换能器元件的步骤。