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    FIBER SENSOR
    23.
    发明申请
    FIBER SENSOR 审中-公开

    公开(公告)号：US20180028055A1

    公开(公告)日：2018-02-01

    申请号：US15728647

    申请日：2017-10-10

    Applicant: OLYMPUS CORPORATION

    Inventor： Ryo TOJO ,  Hiromasa FUJITA

    IPC: A61B1/07 ,  A61B34/20 ,  A61B1/005

    CPC classification number: A61B1/07 ,  A61B1/00078 ,  A61B1/0011 ,  A61B1/0017 ,  A61B1/005 ,  A61B34/20 ,  A61B2034/2061 ,  G02B23/26

    Abstract: At least one optical fiber of a fiber sensor has sensing parts whose number is number of the anticipated inflection points+one or more, the anticipated inflection points being inflection points of a shape of a detection target range of a detection target. The number of the anticipated inflection points is decided based on one of a functional limit and a structural limit which limit a degree of freedom in a bending shape of the detection target. A space L1 between the anticipated inflection points is L1=r1·θ1, wherein r1 is a curvature radius at a maximum bending of the detection target range of the detection target, θ1 is a central angle of an arc created by the space between the anticipated inflection points at the maximum bending, and θ1≧π/2.

    CURVATURE SENSOR AND ENDOSCOPE APPARATUS
    25.
    发明申请
    CURVATURE SENSOR AND ENDOSCOPE APPARATUS 有权
    曲率传感器和内窥镜装置

    公开(公告)号：US20170071448A1

    公开(公告)日：2017-03-16

    申请号：US15363171

    申请日：2016-11-29

    Applicant: OLYMPUS CORPORATION

    Inventor： Hiromasa FUJITA ,  Ken SATO

    IPC: A61B1/005 ,  A61B1/015 ,  G02B23/26 ,  A61B1/06 ,  G01B11/255 ,  A61B1/04 ,  A61B1/00

    CPC classification number: A61B1/005 ,  A61B1/00 ,  A61B1/00009 ,  A61B1/00045 ,  A61B1/00091 ,  A61B1/00165 ,  A61B1/015 ,  A61B1/04 ,  A61B1/06 ,  A61B5/065 ,  G01B11/255 ,  G01D5/35345 ,  G02B23/2476 ,  G02B23/26

    Abstract: A curvature sensor is to be mounted along detection target to allow a curvature of the detection target. The sensor includes a light source, a light guide to guide light from the light source and sensing parts having light absorbability. The sensing parts include absorption bands having different intrinsic absorption patterns and characteristic absorption bands having intrinsic characteristic absorption patterns in the absorption bands. A light detector allows residual light not absorbed by the characteristic absorption bands to be detected, the residual light being included in light of bands corresponding to the characteristic absorption bands and radiated to the sensing parts from the light source. A calculator computes a curvature of the detection target based on a rate of change in the residual light.

    Abstract translation: 沿着检测目标安装曲率传感器以允许检测目标的曲率。 传感器包括光源，用于引导来自光源的光的光导和具有光吸收性的感测部。 感测部分包括具有不同的本征吸收图案的吸收带和在吸收带中具有固有特征吸收图案的特征吸收带。 光检测器允许检测到不被特征吸收带吸收的残留光，残余光包括在与特征吸收带相对应的带的光中，并从光源辐射到感测部分。 计算器基于残余光的变化率来计算检测目标的曲率。

    MULTIPOINT DETECTION FIBER SENSOR AND INSERTION APPARATUS INCLUDING MULTIPOINT DETECTION FIBER SENSOR
    26.
    发明申请
    MULTIPOINT DETECTION FIBER SENSOR AND INSERTION APPARATUS INCLUDING MULTIPOINT DETECTION FIBER SENSOR 审中-公开
    多点检测光纤传感器和插入式设备，包括多点检测光纤传感器

    公开(公告)号：US20170035516A1

    公开(公告)日：2017-02-09

    申请号：US15331200

    申请日：2016-10-21

    Applicant: OLYMPUS CORPORATION

    Inventor： Ryo TOJO ,  Hiromasa FUJITA

    IPC: A61B34/20 ,  G01N21/31 ,  G01B11/24 ,  A61B1/00 ,  A61B1/005

    CPC classification number: A61B34/20 ,  A61B1/00045 ,  A61B1/00167 ,  A61B1/0017 ,  A61B1/005 ,  A61B5/065 ,  A61B2034/2061 ,  A61B2562/0266 ,  A61B2562/043 ,  G01B11/24 ,  G01N21/31 ,  G01N2201/088 ,  G02B23/2476 ,  G02B23/26

    Abstract: A multipoint detection fiber sensor including a plurality of sensing parts at a plurality of positions is provided. The sensing parts are able to detect curve amounts respectively. The multipoint detection fiber sensor includes a plurality of optical fibers arranged in an overall effective detection area that is an extent in which the multipoint detection fiber sensor detects curve amounts. Each of the optical fibers includes the plurality of sensing parts. The multipoint detection fiber sensor also includes a light source which supplies light to the optical fibers and a light receiver which receives light emitted through the optical fibers to which light is supplied. Furthermore, an insertion apparatus into which the multipoint detection fiber sensor is incorporated is provided.

    Abstract translation: 提供了一种多点检测光纤传感器，其包括在多个位置处的多个感测部件。 感测部分能够分别检测曲线量。 多点检测光纤传感器包括布置在多重点检测光纤传感器检测曲线量的程度的整体有效检测区域中的多个光纤。 每个光纤包括多个感测部件。 多点检测光纤传感器还包括向光纤供给光的光源和接收通过供给光的光纤发射的光的光接收器。 此外，提供了一种插入多点检测光纤传感器的插入装置。

    INSERTION SHAPE DETECTION APPARATUS
    27.
    发明申请
    INSERTION SHAPE DETECTION APPARATUS 审中-公开
    插入形状检测装置

    公开(公告)号：US20160367324A1

    公开(公告)日：2016-12-22

    申请号：US15252491

    申请日：2016-08-31

    Applicant: OLYMPUS CORPORATION

    Inventor： Ken SATO ,  Takeshi ITO ,  Hiromasa FUJITA

    IPC: A61B34/20 ,  A61B1/273 ,  A61B5/06 ,  A61B1/307 ,  A61B1/31 ,  A61B1/267 ,  A61B1/303

    CPC classification number: A61B34/20 ,  A61B1/0051 ,  A61B1/267 ,  A61B1/273 ,  A61B1/303 ,  A61B1/307 ,  A61B1/31 ,  A61B5/062 ,  A61B5/065 ,  A61B2034/2048 ,  A61B2034/2061 ,  G02B23/2476

    Abstract: An insertion shape detection apparatus includes an insert portion having flexibility. The insert portion includes a shape estimation section where curved shape is estimated and a shape non-estimation section where curved shape is not estimated. The insertion shape detection apparatus includes a sensing part arranged only in the shape estimation section to detect the curved shape of the shape estimation section. Thus, the number of sensing parts is reduced and the increase in the diameter of the insert portion and complicated processing of curve information is avoided, while the curved shape of the insert portion in a section necessary to assist an endoscopic observation can be detected.

    Abstract translation: 插入形状检测装置包括具有柔性的插入部。 插入部分包括估计弯曲形状的形状估计部分和不估计弯曲形状的形状非估计部分。 插入形状检测装置包括仅在形状估计部分中布置的感测部分，以检测形状估计部分的弯曲形状。 因此，可以避免检测部件的数量，并且可以避免插入部分的直径的增加和曲线信息的复杂处理，同时能够检测辅助内窥镜观察所需的部分中的插入部分的弯曲形状。

    OPTICAL SENSOR, OPTICAL SENSOR SYSTEM, AND ENDOSCOPE
    28.
    发明申请
    OPTICAL SENSOR, OPTICAL SENSOR SYSTEM, AND ENDOSCOPE 审中-公开
    光学传感器，光学传感器系统和内窥镜

    公开(公告)号：US20160166130A1

    公开(公告)日：2016-06-16

    申请号：US15018897

    申请日：2016-02-09

    Applicant: OLYMPUS CORPORATION

    Inventor： Hiromasa FUJITA ,  Ken SATO

    IPC: A61B1/00 ,  A61B1/06

    CPC classification number: A61B1/00096 ,  A61B1/00045 ,  A61B1/0017 ,  A61B1/06 ,  A61B2034/2061 ,  G01B11/24 ,  G01D5/268

    Abstract: At least a part of the one characteristic change section is arranged at a position different from at least apart of the other characteristic change section in a circumferential direction of an optical sensor. At least a part of the one characteristic change section is arranged at a position different from at least a part of the other characteristic change section in an axial direction of an optical sensor.

    Abstract translation: 一个特征变化部的至少一部分配置在与光传感器的圆周方向上的另一个特性变化部的至少一部分不同的位置。 一个特征变化部的至少一部分配置在与光传感器的轴向的另一特性变化部的至少一部分不同的位置。

    INSERTION SYSTEM
    29.
    发明申请
    INSERTION SYSTEM 审中-公开

    公开(公告)号：US20190046010A1

    公开(公告)日：2019-02-14

    申请号：US16158371

    申请日：2018-10-12

    Applicant: OLYMPUS CORPORATION

    Inventor： Ryo TOJO ,  Hiromasa FUJITA ,  Tetsuya MORISHIMA

    IPC: A61B1/00 ,  A61B1/005

    Abstract: An insertion system includes an insertion section and a rigidity variable portion provided in the insertion section. The rigidity variable portion includes a superelastic alloy member whose rigidity starts changing from a high-rigidity state to a low-rigidity state at a temperature, which varies with a degree of bending of the superelastic alloy member, and a heating member capable of switching between presence and absence of heating of the superelastic alloy member. The insertion system also includes a bending state detection sensor that detects a bending state of the rigidity variable portion, and a rigidity variable controller that controls switching between presence and absence of heating of the superelastic alloy member by the heating member to control the temperature of the superelastic alloy member.

    SHAPE CALCULATING APPARATUS
    30.
    发明申请
    SHAPE CALCULATING APPARATUS 审中-公开

    公开(公告)号：US20180224269A1

    公开(公告)日：2018-08-09

    申请号：US15945910

    申请日：2018-04-05

    Applicant: OLYMPUS CORPORATION

    Inventor： Koichi TAKAYAMA ,  Hiromasa FUJITA

    IPC: G01B11/245 ,  A61B1/00

    CPC classification number: G01B11/245 ,  A61B1/00006 ,  A61B1/00009 ,  A61B1/0002 ,  A61B1/00126 ,  A61B1/00165 ,  A61B1/00186 ,  A61B1/00195 ,  A61B1/0646 ,  A61B1/07 ,  G01B11/18

    Abstract: A shape calculating apparatus includes a light source and a light guide provided with detection targets to decrease quantity of light guided by the light guide according to a bend shape of the light guide. The apparatus also includes a light detector to detect light quantity information in wavelengths included in light absorption spectra of the detection targets, a calculation unit that makes a calculation relating to a shape of each detection target based on the light quantity information, and a control unit that changes a dynamic range of at least one of an intensity of light input to the light guide and a detection signal output by the light detector for each wavelength range so that a magnitude of the detection signal is within a range between a lower limit threshold and an upper limit threshold of the light detector.

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