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公开(公告)号：US20170181661A1
公开(公告)日：2017-06-29
申请号：US15459095
申请日：2017-03-15
Applicant: OLYMPUS CORPORATION
Inventor： Atsushi CHIBA
CPC classification number: A61B5/062 , A61B1/00009 , A61B1/00016 , A61B1/00025 , A61B1/00158 , A61B1/041 , A61B5/07 , A61B5/073 , A61B5/742 , A61B34/20 , A61B2034/2051
Abstract: A position detection system includes a capsule medical device having therein a magnetic field generator configured to generate a magnetic field, magnetic field detectors configured to detect the magnetic field and output detection signals, and a processor including hardware. The processor is configured to: calculate a position of the capsule medical device by using at least one of the detection signals; determine whether the position of the capsule medical device falls within a predefined detection target region for the capsule medical device; determine whether proper position detection for the capsule medical device based on the detection signals is possible; and set a threshold to be used for determining whether the proper position detection for the capsule medical device is possible, based on the position of the capsule medical device if the position of the capsule medical device falls within the predefined detection target region for the capsule medical device.
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公开(公告)号：US20170188883A1
公开(公告)日：2017-07-06
申请号：US15463520
申请日：2017-03-20
Applicant: OLYMPUS CORPORATION
Inventor： Atsushi CHIBA
CPC classification number: A61B5/062 , A61B1/00006 , A61B1/00009 , A61B1/00016 , A61B1/00029 , A61B1/00158 , A61B1/041
Abstract: A position detection system includes: a capsule medical device having therein a magnetic field generator for generating a magnetic field; magnetic field detectors for detecting the magnetic field and outputting detection signals; and a processor including hardware. The processor is configured to: calculate a position of the capsule medical device using at least one of the detection signals; determine whether or not proper position detection of the capsule medical device based on the detection signals is possible using a threshold that is a value based on at least one of output values of the detection signals output by the magnetic field detectors under a predetermined condition; decide a determination value using at least one of the output values of the detection signals; and determine that the proper position detection of the capsule medical device is not possible when the determination value is smaller than the threshold.
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公开(公告)号：US20160166133A1
公开(公告)日：2016-06-16
申请号：US15053084
申请日：2016-02-25
Applicant: OLYMPUS CORPORATION
Inventor： Atsushi CHIBA , Hironobu TAKIZAWA , Ryoji SATO , Hironao KAWANO , Kazuhiko TAKAHASHI , Takuto IKAI
CPC classification number: A61B1/041 , A61B1/00006 , A61B1/00009 , A61B1/00045 , A61B1/0005 , A61B1/00158 , A61B5/073 , A61B5/1116 , A61B5/1121
Abstract: A capsule endoscope system includes: a capsule endoscope configured to be introduced into a subject; a guiding unit that generates a magnetic field to guide the capsule endoscope; a guidance magnetic field control unit that switches between ON and OFF of the magnetic field; a body posture discriminating unit that discriminates a body posture of the subject; a model extracting unit that extracts a body posture model according to the body posture of the subject, from among prepared body posture models, and extracts an organ model according to the body posture of the subject, from among prepared organ models; and a display control unit configured to: superimpose the organ model according to the body posture of the subject, on the extracted body posture model when the magnetic field is ON; and display the extracted body posture model and to hide the organ model when the magnetic field is OFF.
Abstract translation: 一种胶囊型内窥镜系统，包括：胶囊型内窥镜，被配置为被导入被检体; 引导单元，其产生用于引导胶囊型内窥镜的磁场; 引导磁场控制单元，其在磁场的ON和OFF之间切换; 身体姿势判别单元，其识别被检体的身体姿势; 从准备的身体姿势模型中提取根据被检体的身体姿势的身体姿势模型的模型提取单元，从准备的器官模型中提取根据对象的身体姿势的器官模型; 以及显示控制单元，被配置为：当所述磁场接通时，根据所述被检体的身体姿势将所述器官模型叠加在所提取的身体姿势模型上; 并显示提取的身体姿势模型，并且当磁场关闭时隐藏器官模型。
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公开(公告)号：US20180042519A1
公开(公告)日：2018-02-15
申请号：US15791645
申请日：2017-10-24
Applicant: OLYMPUS CORPORATION
Inventor： Atsushi CHIBA
CPC classification number: A61B5/062 , A61B1/00158 , A61B1/041 , A61B5/6861 , G01B7/003 , G01B7/30
Abstract: A position detection system includes: a detection target; detection coils each outputting a detection signal of strength of the alternating magnetic field; a guidance magnetic field generator including a magnetic field generation source, and a driving mechanism, wherein at least a part of the guidance magnetic field generator is formed of a conductor that generates an interference magnetic field; and a processor configured to: control an operation of the driving mechanism; calculate a correction value by using at least one of a position and a posture of the conductor; correct the measured value by using the correction value; and calculate at least one of a position and a posture of the detection target based on the corrected measured value.
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公开(公告)号：US20170108356A1
公开(公告)日：2017-04-20
申请号：US15381887
申请日：2016-12-16
Applicant: OLYMPUS CORPORATION
Inventor： Takahiro IIDA , Atsushi CHIBA , Yusuke SUZUKI , Atsushi KIMURA
CPC classification number: G01D5/20 , A61B1/00158 , A61B1/041 , A61B5/062 , A61B5/073 , A61B5/7257 , G01D5/2066
Abstract: A position detecting system includes: a capsule medical device having therein a magnetic field generation coil for generating a magnetic field; detection coils configured to detect the magnetic field generated by the magnetic field generation coil, and to output detection signals; at least one reference coil configured to detect a magnetic field and to output a detection signal, and arranged at a position where a signal-to-noise ratio to the magnetic field generated by the magnetic field generation coil is smaller than a signal-to-noise ratio in each of the detection signals detected by the detection coils; and a magnetic field correction unit configured to correct magnetic field detection values based on the detection signals respectively output from the detection coils, using at least one reference magnetic field detection value that is a detection value of the magnetic field based on the detection signal output from the at least one reference coil.
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Patent Agency Ranking
公开(公告)号：US20160100771A1
公开(公告)日：2016-04-14
申请号：US14973082
申请日：2015-12-17
Applicant: OLYMPUS CORPORATION
Inventor： Atsushi CHIBA
CPC classification number: A61B5/062 , A61B1/041 , A61B5/073 , A61B5/145 , A61B5/4839 , A61B5/6861 , A61B5/704
Abstract: A position detection device detects a position of a capsule medical device having therein a magnetic field generator for generating a magnetic field. The position detection device includes: magnetic field detection units each configured to detect the magnetic field generated by the magnetic field generator and to output a detection signal; and a position calculation unit that calculates the position of the capsule medical device based on the detection signal output from each magnetic field detection unit. The magnetic field detection units are arranged on a single plane, the plane having: a first region formed by projecting a closed detection target space for detecting the capsule medical device on the plane; and a second region that is a closed region on the plane and includes the first region and is larger than the first region by a predetermined ratio. The magnetic field detection units are arranged in the second region.
Abstract translation: 位置检测装置检测其中具有用于产生磁场的磁场发生器的胶囊型医疗装置的位置。 位置检测装置包括：磁场检测单元，其被配置为检测由磁场发生器产生的磁场并输出检测信号; 以及位置计算单元，其基于从每个磁场检测单元输出的检测信号来计算胶囊型医疗装置的位置。 磁场检测单元布置在单个平面上，该平面具有：通过在该平面上投射用于检测胶囊型医疗装置的封闭检测目标空间而形成的第一区域; 以及第二区域，其是所述平面上的封闭区域，并且包括所述第一区域，并且比所述第一区域大一定比例。 磁场检测单元布置在第二区域中。
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公开(公告)号：US20230148848A1
公开(公告)日：2023-05-18
申请号：US17989126
申请日：2022-11-17
Applicant: OLYMPUS CORPORATION
Inventor： Kazuhiro GONO , Atsushi CHIBA , Nao INOUE
CPC classification number: A61B1/018 , A61B1/00133 , A61B1/005
Abstract: A medical system including: an instrument having a motion that is electrically driven, the motion being forward and backward movement of an insertion section, a bending angle of a bending section of the insertion section, and/or rolling rotation of the insertion section; an operation device performing an operation input of the motion; and a processor. The processor controlling the motion based on the operation input in a motion mode, the motion mode being one of a full auto mode to perform automatic control of the motion and a semi auto mode in which an operator manually controls the motion. When controlling the motion in the semi auto mode, the processor interrupting the semi auto mode by automatic control of the motion to perform intervention, Subsequent to the intervention, the processor switching to one of the full auto mode and the semi auto mode based on a use of the instrument.
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公开(公告)号：US20180035913A1
公开(公告)日：2018-02-08
申请号：US15788095
申请日：2017-10-19
Applicant: OLYMPUS CORPORATION
Inventor： Atsushi CHIBA , Yusuke SUZUKI
CPC classification number: A61B5/062 , A61B1/00032 , A61B1/00158 , A61B1/041 , A61B5/0084 , A61B5/4233 , A61B5/4238 , A61B5/4255 , A61B5/6861 , A61B5/742 , A61B2505/05 , A61B2562/0233 , A61B2562/162
Abstract: A position detection system includes: a detection target including a magnetic field generator and a permanent magnet; detection coils; a guidance magnetic field generator including a magnetic field generation source configured to generate a guidance magnetic field for guiding the detection target, and a driving mechanism configured to change at least one of a position and a posture of the magnetic field generation source, wherein at least a part of the guidance magnetic field generator is formed of a conductor that generates an interference magnetic field; a guidance magnetic field controller configured to control an operation of the driving mechanism; and a position detector configured to calculate at least one of a position and a posture of the detection target by using: detection signals respectively output from the detection coils; and at least one of a position and a posture of the conductor.
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公开(公告)号：US20160143559A1
公开(公告)日：2016-05-26
申请号：US15008926
申请日：2016-01-28
Applicant: OLYMPUS CORPORATION
Inventor： Takahiro IIDA , Atsushi KIMURA , Atsushi CHIBA , Ryoji SATO
IPC: A61B5/06
Abstract: A position detection system for detecting a position of a capsule medical device is provided. The capsule medical device has a coil constituting a part of a resonance circuit to generate an AC magnetic field. The position detection system includes: sensing coils that detect the AC magnetic field and output detection signals; and a calculation unit that calculates the position of the capsule medical device based on the detection signals. The calculation unit: determines a sensing coil having a maximum amplitude of the AC magnetic field as a reference coil among the sensing coils based on amplitude values of the AC magnetic field detected by the sensing coils, the amplitude values being calculated based on the detection signals; and determines a polarity of each sensing coil based on a first detection signal from the reference coil and a second detection signal from each sensing coil other than the reference coil.
Abstract translation: 提供了一种用于检测胶囊型医疗装置的位置的位置检测系统。 胶囊医疗装置具有构成谐振电路的一部分的线圈，以产生交流磁场。 位置检测系统包括：检测线圈，检测交流磁场并输出检测信号; 以及计算单元，其基于检测信号来计算胶囊型医疗装置的位置。 计算单元基于感测线圈检测到的交流磁场的振幅值，确定感测线圈中具有作为基准线圈的交流磁场的最大振幅的感测线圈，基于检测信号计算振幅值 ; 并且基于来自参考线圈的第一检测信号和除了参考线圈之外的每个感测线圈的第二检测信号来确定每个感测线圈的极性。
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公开(公告)号：US20210290047A1
公开(公告)日：2021-09-23
申请号：US17340342
申请日：2021-06-07
Applicant: OLYMPUS CORPORATION
Inventor： Yusuke SUZUKI , Atsushi CHIBA , Takahiro IIDA
Abstract: An image processing apparatus includes: a processor including hardware. The processor is configured to extract pieces of positional information associated with image data captured by a capsule endoscope introduced into a digestive tract to calculate a movement amount of an image capturing position of the capsule endoscope in a luminal direction, acquire, from the pieces of positional information, a change amount of the image capturing position of the capsule endoscope in a direction different from the luminal direction, select first position information from among the pieces of positional information, the first position information being position information for which the change amount of the positional information is smaller than a first threshold and the movement amount is smaller than a second threshold, and generate a shape model of the digestive tract by using the first position information.
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