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    • 12. 发明申请
    • PROPELLING DEVICE AND SELF-PROPELLABLE ENDOSCOPE
    • 螺旋装置和自主旋转内窥镜
    • US20120238804A1
    • 2012-09-20
    • US13283693
    • 2011-10-28
    • Shinichi YAMAKAWATsuyoshi AshidaTakayuki NakamuraYasunori OhtaRick Cornelius
    • Shinichi YAMAKAWATsuyoshi AshidaTakayuki NakamuraYasunori OhtaRick Cornelius
    • A61B1/00
    • A61B1/0016A61B1/00135
    • A propelling device includes a rotary body, an external cylinder for supporting a rotary body in a circulating manner, a first drive mechanism, and a second drive mechanism. The first drive mechanism has a torque wire and a pinion gear that are provided in a distal portion of the insertion part. The second drive mechanism has an internal cylinder mounted on the distal portion of the insertion part, a transmission gear rotatably supported outside the internal cylinder, and a housing cylinder provided outside the transmission gear. The transmission gear has a worm gear on the outer peripheral surface thereof, and a gear tooth portion that meshes with a pinion gear on an inner peripheral surface thereof. The housing cylinder has drive gears that mesh with the worm gear. Although the second mechanism is replaced at each inspection, the first mechanism provided at the insertion part is repeatedly used.
    • 推进装置包括旋转体,用于以循环方式支撑旋转体的外筒,第一驱动机构和第二驱动机构。 第一驱动机构具有设置在插入部的远端部的扭矩线和小齿轮。 第二驱动机构具有安装在插入部的远端部的内筒,可旋转地支撑在内筒外侧的传动齿轮和设置在传动齿轮外侧的壳体筒。 传动齿轮在其外周面上具有蜗轮,在其内周面上与小齿轮啮合的齿轮齿部。 外壳缸具有与蜗轮啮合的传动齿轮。 虽然在每次检查中替换第二机构,但是重复使用设置在插入部分处的第一机构。
    • 13. 发明申请
    • GUIDE APPARATUS FOR ENDOSCOPE
    • 内镜指南装置
    • US20120302831A1
    • 2012-11-29
    • US13479812
    • 2012-05-24
    • Tsuyoshi AshidaTakayuki NakamuraShinichi YamakawaYasunori Ohta
    • Tsuyoshi AshidaTakayuki NakamuraShinichi YamakawaYasunori Ohta
    • A61B1/00
    • A61B1/00154A61B1/00006A61B1/00135A61B1/0016
    • An endoscope has a head assembly for entry in a body cavity. A guide apparatus for propulsion of the head assembly is provided, and includes a shaft sleeve, a support sleeve, a drive sleeve, drive gears, an endless track device, two intermediate gears, and a motor. Two wire devices are disposed to extend in an axial direction, have distal ends to which the intermediate gears are respectively secured, for transmitting rotation of the motor to the intermediate gears. In fail-safe control, if one of the wire devices is broken, the broken wire device is detected. When the broken wire device is detected, a limited mode is set for driving the endless track device with a normal one of the wire devices in limited performance relative to normal operation. In a preferred embodiment, the guide apparatus has a differential device and two brake devices.
    • 内窥镜具有用于进入体腔的头部组件。 提供了一种用于推动头部组件的引导装置,包括轴套,支撑套筒,驱动套筒,驱动齿轮,环形履带装置,两个中间齿轮和马达。 两线装置设置成沿轴向方向延伸,具有分别固定中间齿轮的远端,用于将电动机的旋转传递到中间齿轮。 在故障安全控制中,如果其中一个电线设备损坏,则检测到断线装置。 当检测到断线装置时,设定有限模式用于以正常操作的有限性能来驱动具有正常线缆装置的环形轨道装置。 在优选实施例中,引导装置具有差速装置和两个制动装置。
    • 16. 发明申请
    • SELF-PROPELLED UNIT FOR ENDOSCOPE
    • 自我推荐单位内镜
    • US20120053411A1
    • 2012-03-01
    • US13221453
    • 2011-08-30
    • Shinichi YAMAKAWATakayuki NakamuraMasayuki Iwasaka
    • Shinichi YAMAKAWATakayuki NakamuraMasayuki Iwasaka
    • A61B1/00
    • A61B1/00156A61B1/0016
    • A self-propelled unit for an endoscope having a section of an elongated tube for entry in a body cavity is provided. A first ring sleeve is mounted around the elongated tube on a distal side in a rotatable manner. An endless track device is disposed around the first ring sleeve, having an outer annular surface, for turning around in contact with a wall of the body cavity, for propulsion in an axial direction of the elongated tube. A combination of a worm drive and an engagement roller is disposed on the first ring sleeve, for moving the endless track device.A movable plate is contained in the endless track device, movable between open and closed positions, for coming farther from the elongated tube at least locally when in the open position than when in the closed position, in order to shift the endless track device away from the elongated tube.
    • 提供了一种用于内窥镜的自推进单元,其具有用于进入体腔的细长管的一部分。 第一环套筒以可旋转的方式安装在远侧上的细长管周围。 环形履带装置设置在第一环套筒周围,具有外环形表面,用于与体腔的壁接触转动,用于沿细长管的轴向推进。 蜗杆传动装置和接合辊的组合设置在第一环套上,用于移动环形履带装置。 可移动板被容纳在环形轨道装置中,可在打开和关闭位置之间移动,以在处于打开位置时远离细长管远离处于关闭位置,以使环形轨道装置远离 细长管。
    • 17. 发明申请
    • GUIDE ASSEMBLY FOR ENDOSCOPE
    • 内镜指南大会
    • US20120053409A1
    • 2012-03-01
    • US13193204
    • 2011-07-28
    • Shinichi YamakawaTakayuki NakamuraMasayuki Iwasaka
    • Shinichi YamakawaTakayuki NakamuraMasayuki Iwasaka
    • A61B1/00
    • A61B1/00133A61B1/0008A61B1/00135A61B1/00154A61B1/00156A61B1/0016
    • A guide assembly of a self-propelled type for an endoscope having an elongated tube for entry in a body cavity is provided. An endless track device has an annular surface, for turning around endlessly on an endless track in an axial direction of a steering device of the elongated tube, and for propulsion by contacting a wall of the body cavity. A first driving device drives the endless track device. A second driving device is disposed on a proximal side from the first driving device, for receiving force applied by an external drive source, and driving the endless track device. A resilient connecting coil structure connects the first driving device to a distal side of the second driving device in the axial direction, and transmits the force from the second driving device to the first driving device, for actuation thereof in synchronism with one another.
    • 提供了一种用于内窥镜的自推进式导向组件,其具有用于进入体腔的细长管。 环形轨道装置具有环形表面,用于在细长管的转向装置的轴向上的环形轨道上不停地转动,并且通过接触体腔的壁来推进。 第一驱动装置驱动无限轨道装置。 第二驱动装置设置在从第一驱动装置的近侧,用于接收由外部驱动源施加的力,并且驱动环形履带装置。 弹性连接线圈结构将第一驱动装置沿轴向连接到第二驱动装置的远侧,并将力从第二驱动装置传递到第一驱动装置,以使其彼此同步地致动。
    • 18. 发明申请
    • SELF PROPELLING DEVICE
    • 自动螺旋装置
    • US20120046523A1
    • 2012-02-23
    • US13213891
    • 2011-08-19
    • Shinichi YAMAKAWATakayuki NakamuraMasayuki Iwasaka
    • Shinichi YAMAKAWATakayuki NakamuraMasayuki Iwasaka
    • A61B1/00
    • A61B1/00156A61B1/0008A61B1/00082A61B1/00133A61B1/0014A61B1/0016
    • A self propelling device is attached to a front end side of an insert section of an endoscope and propels the front end side in a body. The self propelling device has an internal cylinder into which the front end side is inserted and an external cylinder surrounding the internal cylinder. A rotating body is rotatably attached to the external cylinder in an axis direction along the inner periphery and the outer periphery of the external cylinder, and the self propelling device propels by rotation of the rotating body. The inner diameter of the internal cylinder is large, and the front end side can be bendable in the internal cylinder. A coil spring formed in a circular truncated cone shape is located in the internal cylinder. The coil spring has a bottom having large diameter which is fixed to the internal cylinder and has a top having small diameter which is fit on the front end side of the insert section. The self propelling device and the front end side of the insert section are connected via the coil spring so that they can relatively move.
    • 自推进装置附接到内窥镜的插入部的前端侧,并将前端侧推进到体内。 自推进装置具有内圆柱体,前端侧插入该内圆筒和围绕内筒的外筒。 旋转体沿着外筒的内周和外周的轴线方向可旋转地安装在外筒上,自行推进装置通过旋转体的旋转而推进。 内筒的内径大,前端侧能够在内筒中弯曲。 形成为圆锥形圆锥形的螺旋弹簧位于内筒中。 螺旋弹簧具有大直径的底部,该底部固定到内筒,并且具有配合在插入部的前端侧的小直径的顶部。 插入部分的自推进装置和前端侧通过螺旋弹簧连接,使得它们能相对移动。
    • 19. 发明申请
    • GUIDE ASSEMBLY FOR ENDOSCOPE
    • 内镜指南大会
    • US20120029283A1
    • 2012-02-02
    • US13194423
    • 2011-07-29
    • Shinichi YAMAKAWATakayuki NakamuraMasayuki Iwasaka
    • Shinichi YAMAKAWATakayuki NakamuraMasayuki Iwasaka
    • A61B1/01
    • A61B1/00156A61B1/00154A61B1/0016G02B23/2476
    • A guide assembly of a self-propelled type for an endoscope including an elongated tube for entry in a body cavity is provided. First and second self-propelled units are mounted on a steering device of the elongated tube in an axial direction thereof, for contacting a wall of the body cavity for propulsion. The first and second self-propelled units include respectively first and second driving devices, actuated with force by an external drive source, for converting the force for the propulsion. The first self-propelled unit includes a first torque coil structure for transmitting the force from the drive source to the first driving device. The second self-propelled unit includes a second torque coil structure for transmitting the force from the drive source to the second driving device discretely from the first torque coil structure. The first self-propelled unit is fixedly mounted on the steering device.
    • 提供了一种用于内窥镜的自推进型引导组件,其包括用于进入体腔的细长管。 第一和第二自走单元沿其轴向方向安装在细长管的转向装置上,用于接触体腔的壁用于推进。 第一和第二自走单元包括分别由外部驱动源用力驱动的用于转换用于推进力的第一和第二驱动装置。 第一自推进单元包括用于将来自驱动源的力传递到第一驱动装置的第一扭矩线圈结构。 第二自推进单元包括用于从第一扭矩线圈结构离散地将来自驱动源的力传递到第二驱动装置的第二扭矩线圈结构。 第一自走单元固定地安装在转向装置上。