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1. 发明授权

US09709388B2 Optical inner surface measuring device 有权
公开(公告)号：US09709388B2
公开(公告)日：2017-07-18
申请号：US14717896
申请日：2015-05-20
申请人： NAMIKI SEIMITSU HOUSEKI KABUSHIKI KAISHA
发明人： Hiroshi Yamazaki , Eri Fukushima , Kazumi Yanagiura , Takafumi Asada
IPC分类号： G01B9/02 , G01B11/14 , G01B11/12 , G01B11/24 , A61B1/00 , G01B11/30
CPC分类号： G01B11/14 , A61B1/00165 , A61B1/00172 , G01B9/0205 , G01B9/02076 , G01B11/12 , G01B11/24 , G01B11/2441 , G01B11/30
摘要： Higher-precision measurement is achieved by an optical inner surface measuring device configured to cause a probe to enter into the inner peripheral surface or deep hole of a target object, capture and observe reflection light from the inner surface in a three-dimensional manner, and measure the accuracy of the target object. In a structure including an optical fiber built into a tube, a light path conversion unit arranged at a leading end side of the optical fiber, and a motor configured to rotationally drive the light path conversion unit, a unit for measuring the amount of runout of a rotation shaft unit of the motor is provided. Shape data on the inner peripheral surface of a target object is obtained by calculating at a computer reflection light from the target object, and is modified by displacement amount data from a displacement measurement unit to realize high-precision measurement with no measurement error resulting from runout and rotational vibration of the rotation shaft of the motor.

2. 发明授权

US09869821B2 Probe for optical imaging 有权
公开(公告)号：US09869821B2
公开(公告)日：2018-01-16
申请号：US15093381
申请日：2016-04-07
申请人： NAMIKI SEIMITSU HOUSEKI KABUSHIKI KAISHA
发明人： Hiroshi Yamazaki , Eri Fukushima , Tomoyuki Kugo , Norikazu Sato , Takayuki Koshikawa , Chihiro Okamoto , Takafumi Asada
IPC分类号： G02B6/26 , G02B6/36 , G02B23/26 , G02B26/08 , G02B26/10 , G03B15/03 , G03B35/00 , G03B37/00 , A61B5/00
CPC分类号： G02B6/3624 , A61B5/0066 , A61B5/0084 , G02B6/3604 , G02B23/26 , G02B26/0883 , G02B26/108 , G03B15/03 , G03B35/00 , G03B37/005
摘要： A 3D-scanning optical imaging probe which inhibits rotation unevenness of rotational sections, shaft run-out, friction, and rotation transmission delay by reducing the occurrence of torque loss and rotation transmission delay, and which is capable of obtaining 3D scans and observation images within a fixed frontal range. A substantially tubular catheter has, provided along substantially the same line therein: a fixed-side optical fiber; a first optical path conversion means which is rotationally driven by a first motor, and which rotates and emits a beam of light forwards and tilted at an angle with respect to a rotational axis; and a second optical path conversion means which, at a tip side of a rotation-side optical fiber rotationally driven by a second motor, tilts an optical path by a micro-angle with respect to the rotational axis, and rotates and emits the beam of light to irradiate the first optical path conversion means therewith.

3. 发明授权

US09709749B2 Optical imaging probe 有权
公开(公告)号：US09709749B2
公开(公告)日：2017-07-18
申请号：US14796504
申请日：2015-07-10
申请人： NAMIKI SEIMITSU HOUSEKI KABUSHIKI KAISHA
发明人： Hiroshi Yamazaki , Eri Fukushima , Takafumi Asada
IPC分类号： G02B6/36 , F16C32/06 , G02B23/26 , A61B1/00
CPC分类号： G02B6/3604 , A61B1/00172 , F16C17/028 , F16C32/0633 , F16C33/107 , G02B23/26
摘要： Provided is optical imaging probe that is able to obtain stable observation image by optical path correction. It includes a rotation driving source adapted to drive and rotate a rotor; a first single-mode optical fiber inserted and fixed over the axial direction in the rotation center side of the rotor, the front end of which light is able to enter; a second single-mode optical fiber supported at the rear end side of the first single-mode optical fiber in a non-rotatable manner; and a gap and optical path correcting means interposed between the first single-mode optical fiber and the second single-mode optical fiber, and the optical path correcting means is adapted to expand and collimate the light transmitted from one single-mode optical fiber and pass it through the gap, and then guide it to the other single-mode optical fiber.

4. 发明授权

US09706930B2 Optical imaging probe 有权
公开(公告)号：US09706930B2
公开(公告)日：2017-07-18
申请号：US14799613
申请日：2015-07-15
申请人： NAMIKI SEIMITSU HOUSEKI KABUSHIKI KAISHA
发明人： Hiroshi Yamazaki , Eri Fukushima , Takafumi Asada
IPC分类号： G02B6/26 , G02B23/24 , A61B5/00 , A61B1/00
CPC分类号： A61B5/0084 , A61B1/0017 , A61B1/00172 , A61B1/00177 , A61B5/0066 , G02B6/262 , G02B23/2469
摘要： Provided is an optical imaging probe that is able to obtain a stable observation image by a dynamic pressure bearing. An optical imaging probe for guiding rearward a light entering a front end includes: a rotation driving source adapted to drive and rotate a rotor; a tubular rotation shaft inserted and fixed over an axial direction in a rotation center side of the rotor; an optical fiber inserted in the tubular rotation shaft, the front end of which a light is able to enter; and a bearing member supporting the tubular rotation shaft in a rotatable manner, and the bearing member configures a dynamic pressure bearing adapted to generate a high lubricating oil film pressure locally at multiple positions in a circumference direction.

5. 发明授权

US09254117B2 Ultrasonic endoscopic probe 有权
标题翻译：超声内窥镜探头
公开(公告)号：US09254117B2
公开(公告)日：2016-02-09
申请号：US14473924
申请日：2014-08-29
申请人： NAMIKI SEIMITSU HOUSEKI KABUSHIKI KAISHA
发明人： Eri Fukushima , Hiroshi Yamazaki , Takafumi Asada
IPC分类号： A61B8/00 , A61B8/12
CPC分类号： A61B8/445 , A61B8/12 , A61B8/4461
摘要： Provided is an ultrasonic endoscopic probe capable of obtaining an ultrasonic observation image having high spatial resolution. A part of a substantially tubular catheter is sealed with seal plates to provide a cavity housing: a motor including a motor casing, a rotor magnet, a bearing, and a rotating shaft; an ultrasonic transducer mounted to the rotating shaft; and a signal transmission means. The bearing includes an inner peripheral surface provided with a plurality of dynamic pressure generating grooves. An acoustic coupling fluid is sealed in the cavity and is allowed to penetrate a gap between the bearing and the rotating shaft at all times. When the ultrasonic transducer and the motor are rotated in the acoustic coupling fluid, the acoustic coupling fluid is suctioned in a preferable manner into the bearing gap having the dynamic pressure generating grooves for lubrication. Thus, a lack of an oil film on the bearing can be prevented, allowing for high accuracy rotation. Operational failure due to the development of foam in the acoustic coupling fluid can be prevented, enabling the acquisition of a high resolution ultrasonic observation image.
摘要翻译：提供能够获得具有高空间分辨率的超声波观察图像的超声波内窥镜探针。基本上管状的导管的一部分用密封板密封以提供腔体壳体：包括马达壳体，转子磁体，轴承和旋转轴的马达; 安装在旋转轴上的超声换能器; 和信号传输装置。轴承包括设置有多个动压产生槽的内周面。声耦合流体密封在空腔中，并始终贯穿轴承和旋转轴之间的间隙。当超声波换能器和电动机在声耦合流体中旋转时，声耦合流体以优选的方式被吸入具有用于润滑的动压产生槽的轴承间隙中。因此，可以防止在轴承上缺少油膜，从而允许高精度的旋转。可以防止由于声耦合流体中的泡沫的发展引起的操作故障，从而能够获取高分辨率的超声波观察图像。

6. 发明授权

US09574870B2 Probe for optical imaging 有权
标题翻译：光学成像探头
公开(公告)号：US09574870B2
公开(公告)日：2017-02-21
申请号：US15018322
申请日：2016-02-08
申请人： NAMIKI SEIMITSU HOUSEKI KABUSHIKI KAISHA
发明人： Hiroshi Yamazaki , Eri Fukushima , Norikazu Sato , Tomoyuki Kugou , Takafumi Asada
IPC分类号： G02B6/26 , G01B9/02 , A61B5/00
CPC分类号： G01B9/02091 , A61B5/0066 , A61B5/0073 , A61B5/0084 , A61B5/6852 , A61B2562/228
摘要： A probe for a three-dimensional (3D) scanning optical imaging which prevents rotational irregularity, axial runout, friction, rotation transmission delays of a rotational part by reducing occurrences of rotation transmission delays, torque loss, and the like, and can perform scanning of a certain length in an axial direction and obtain a three-dimensional observation image, in a probe for OCT image diagnosis. A fixed side optical fiber that transmits light between a tip side and a rear side of a probe and is non-rotatably disposed, a first optical path conversion means that rotates to emit a light ray in a substantially radial direction, a rotation side optical fiber which is rotated by a motor, and a second optical path conversion means that rotates and emits light toward the first optical path conversion means are collinearly disposed. In this way, it is possible to obtain a high quality 3D observation image.
摘要翻译：用于三维（3D）扫描光学成像的探针，其通过减少旋转传递延迟的发生，扭矩损失等来防止旋转部分的旋转不规则性，轴向跳动，摩擦，旋转传递延迟，并且可以执行扫描在用于OCT图像诊断的探针中在轴向方向上具有一定长度并获得三维观察图像。一种固定侧光纤，其在探头的前端侧和后侧之间透射光，并且不可旋转地设置有旋转以大致径向射出光线的第一光路转换装置，旋转侧光纤通过电动机旋转，并且向第一光路转换装置旋转并发光的第二光路转换装置共线配置。以这种方式，可以获得高质量的3D观察图像。

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