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    • 4. 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。
    • 5. 发明申请
    • GUIDE ASSEMBLY FOR ENDOSCOPE
    • 内镜指南大会
    • US20120184815A1
    • 2012-07-19
    • US13334327
    • 2011-12-22
    • Shinichi YAMAKAWATsuyoshi AshidaTakayuki NakamuraYasunori OhtaMasayuki Iwasaka
    • Shinichi YAMAKAWATsuyoshi AshidaTakayuki NakamuraYasunori OhtaMasayuki Iwasaka
    • A61B1/00
    • A61B1/00156A61B1/00135A61B1/0016
    • An endoscope includes a section of an elongated tube for imaging an object by entry in a body cavity. For use with this, a guide assembly includes a shaft sleeve for mounting on the elongated tube by reception thereof. A housing sleeve is supported around the shaft sleeve. Three endless belts are secured to the housing sleeve, for endlessly moving in an axial direction of the elongated tube, and propelling the elongated tube by contacting a cavity wall of the body cavity. A drive sleeve is contained in the housing sleeve, for driving the endless belts. Side projections as side rail portions are disposed on the housing sleeve, for covering lateral side portions of each of the endless belts at least partially, to keep the endless belts slidable. Preferably, the side projections cause curving of a center portion of the endless belts outwards with respect to a transverse direction.
    • 内窥镜包括用于通过进入体腔成像物体的细长管的一部分。 为了与此一起使用,导向组件包括用于通过其接收安装在细长管上的轴套。 壳体套筒围绕轴套支撑。 三个环形带被固定到壳体套筒上,用于在细长管的轴向方向上不停地移动,并且通过接触体腔的空腔壁来推动细长管。 驱动套筒容纳在壳体套筒中,用于驱动环形带。 作为侧轨部分的侧突起设置在壳体套筒上,用于至少部分地覆盖每个环形带的横向侧部以保持环形带可滑动。 优选地,侧突起使得环形带的中心部分相对于横向方向向外弯曲。
    • 9. 发明申请
    • PROPULSION ASSEMBLY FOR ENDOSCOPE
    • 内镜下推进大会
    • US20120238813A1
    • 2012-09-20
    • US13406616
    • 2012-02-28
    • Tsuyoshi AshidaTakayuki NakamuraShinichi YamakawaYasunori Ohta
    • Tsuyoshi AshidaTakayuki NakamuraShinichi YamakawaYasunori Ohta
    • A61B1/00
    • A61B1/0016A61B1/00135A61B1/0125
    • A propulsion assembly is for an endoscope having an elongated tube for entry in a tube of a body cavity. The propulsion assembly includes endless belts for contacting a surface of the body cavity, for propulsion by turning around in an axial direction of the elongated tube. A support sleeve supports the endless belts movably. A distal cover frame is secured to a distal side of the support sleeve. An idler roller is contained in the distal cover frame, engaged with a distal end of the endless belts, for regulating the endless belts in the axial direction. A proximal cover frame is secured to a proximal side of the support sleeve. A driving roller is contained in the proximal cover frame, engaged with a proximal end of the endless belts, for regulating the endless belts in the axial direction. The driving roller drives the endless belts.
    • 推进组件用于具有用于进入体腔管的细长管的内窥镜。 推进组件包括用于接触体腔表面的环形带,用于通过在细长管的轴向方向上转动来进行推进。 支撑套可移动地支撑环形带。 远端盖框架固定到支撑套筒的远侧。 远端盖框架中容纳有一个惰辊,与环形带的远端接合,用于沿轴向调节环形带。 近端盖框架固定到支撑套筒的近侧。 驱动辊容纳在近端盖框架中,与环形带的近端接合,用于沿轴向调节环形带。 驱动辊驱动环形皮带。