公开(公告)号：US4483326A

公开(公告)日：1984-11-20

申请号：US370274

申请日：1982-04-20

申请人： Shiyouichi Yamaka ,  Hirohisa Ueda

发明人： Shiyouichi Yamaka ,  Hirohisa Ueda

IPC分类号： A61B1/005 ,  A61B1/06

CPC分类号： A61B1/0052 ,  A61B1/0057

摘要： A curvature control mechanism in an endoscope is disclosed. The endoscope is of the type which has a manipulator unit to which a flexible tubular member is connected and whose front end region constitutes a bendable portion. A knob member is rotatably mounted on the manipulator unit and control wires extend from the manipulator unit through the flexible member to the bendable portion so the latter can be bent by the wires in a selectively controlled manner through rotation of the knob. The curvature control mechanism includes a double cylinder type drum device including two drums fixedly mounted on a rotary shaft coupled to the knob. A pair of elongate resilient strips are wound around respective drums in mutually opposite directions and one end of each of the resilient strips is coupled to a respective control wire such that rotation of the drums in one direction causes a take-up of one of the elongate strips on its respective drum and a tension-relief in the other of the resilient strips in the form of a diametric expansion thereof, such expansion preventing an excessive slackness in the control wire to which that resilient strip is coupled while maintaining at least some tension in that control wire.

摘要翻译： 公开了一种内窥镜中的曲率控制机构。 内窥镜是具有连接柔性管状构件的机械手单元的类型，其前端区域构成可弯曲部分。 旋钮构件可旋转地安装在操纵器单元上，并且控制线从操纵器单元通过柔性构件延伸到可弯曲部分，使得后者可以通过旋钮的旋转以选择性控制的方式被线弯曲。 曲率控制机构包括双缸式鼓装置，其包括两个固定地安装在与旋钮相连的旋转轴上的滚筒。 一对细长的弹性条以相互相反的方向围绕相应的鼓缠绕，并且每个弹性条的一端联接到相应的控制线，使得滚筒在一个方向上的旋转导致拉伸 在其相应的鼓上形成条带，并且其另一个弹性条中的张力释放以其直径膨胀的形式，这种膨胀防止了在该弹性条被连接的控制线中的过度松弛，同时保持至少一些张力 那控制线。

公开(公告)号：US4589403A

公开(公告)日：1986-05-20

申请号：US653828

申请日：1984-09-24

申请人： Teruo Ouchi ,  Kazukiyo Tamada ,  Shiyouichi Yamaka

发明人： Teruo Ouchi ,  Kazukiyo Tamada ,  Shiyouichi Yamaka

IPC分类号： A61B1/12 ,  A61B1/00

CPC分类号： A61B1/125 ,  A61B1/126

摘要： An endoscope includes a forceps-control member movably mounted in a forward region of the elongate portion which is adapted to be inserted into a body cavity for selectively projecting and retracting forceps from and into the forward region of the insertion portion and an operating wire having one end connected to the forceps-control member and extending to the manipulator unit through an operating wire guide tube such that the projection and retraction of the forceps is controlled from the manipulator unit through the displacement of the operating wire. Apparatus for cleaning and/or sterilizing the operating wire guide tube includes a control shaft guide tube connected to the wire guide tube, a tubular control shaft mounted for movement within the control shaft guide tube, the control shaft being connected to the other end of the operating wire, a fluid passage provided in the tubular control shaft communicating with the control shaft guide tube, a flexible tube one end of which is connected to the tubular control shaft and communicating with the fluid passage, the flexible tube including a slackened length portion, and a fluid inlet externally provided on the manipulator unit of the endoscope, the other end of the flexible tube communicating with the fluid inlet.

摘要翻译： 内窥镜包括可移动地安装在细长部分的前部区域中的钳子控制构件，该钳子控制构件适于插入到体腔中，用于从插入部分的前部区域选择性地伸出和缩回镊子，并且具有一个操作线 端部连接到钳子控制构件并且通过操作线引导管延伸到操纵器单元，使得通过操作线的移位从操纵器单元控制镊子的突出和缩回。 用于清洁和/或消毒操作线导管的装置包括连接到导丝管的控制轴导管，安装用于在控制轴导管内运动的管状控制轴，控制轴连接到 操作线，设置在与控制轴引导管连通的管状控制轴中的流体通道，柔性管一端连接到管状控制轴并与流体通道连通，柔性管包括松弛长度部分， 以及外部设置在内窥镜的机械手单元上的流体入口，柔性管的另一端与流体入口连通。

公开(公告)号：US4365883A

公开(公告)日：1982-12-28

申请号：US284743

申请日：1981-07-20

申请人： Yukio Takaoka ,  Keisuke Haraguchi ,  Shiyouichi Yamaka

发明人： Yukio Takaoka ,  Keisuke Haraguchi ,  Shiyouichi Yamaka

IPC分类号： G03B13/24 ,  G03B19/12 ,  G03B13/00

CPC分类号： G03B13/24 ,  G03B19/12

摘要： A focusing screen holding device for a single-lens reflex camera including a focusing screen, a focusing screen holding frame including focusing adjusting screws, a focusing screen retaining spring, and a hinge on one leaf of which the focusing screen retaining spring is mounted and which has an outer end with a hook engagable with the camera body. The second leaf of the spring is fixedly secured to the camera body so that the focusing screen holding frame is swingable about the shaft of the hinge. The focusing screen is accessible through the lens mount opening to replace and adjust the position of the focusing screen.

摘要翻译： 一种用于单镜头反光照相机的聚焦屏幕保持装置，包括聚焦屏幕，聚焦屏幕保持框架，包括聚焦调节螺丝，聚焦屏幕保持弹簧和铰链，聚焦屏幕固定弹簧安装在其上，其中 具有与相机机体可接合的钩子的外端。 弹簧的第二片固定地固定到照相机主体上，使得聚焦屏幕保持框架可围绕铰链的轴摆动。 聚焦屏可通过镜头安装孔进入，以更换和调整对焦屏的位置。