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21. 发明申请

US20090018434A1 POSITION DETECTION APPARATUS AND MEDICAL-DEVICE-POSITION DETECTION SYSTEM 有权
标题翻译：位置检测装置和医疗装置位置检测系统
公开(公告)号：US20090018434A1
公开(公告)日：2009-01-15
申请号：US11571232
申请日：2006-08-16
申请人： Atsushi Kimura , Akio Uchiyama , Ryoji Sato
发明人： Atsushi Kimura , Akio Uchiyama , Ryoji Sato
IPC分类号： A61B5/06 , G01B7/00
CPC分类号： G01V3/105 , A61B1/00158 , A61B1/041 , A61B5/062
摘要： A position detection apparatus and a medical-device-position detection system that have improved position detection accuracy are provided by setting high amplification for the position detection apparatus. The position detection apparatus includes a circuit that has at least one embedded coil (10a) and that is provided inside an object (10) to be detected; a first magnetic-field generating unit (11) for generating a first magnetic field in the region where the embedded coil (10a) is disposed; a magnetic-field detecting unit (5, 12) for detecting an induced magnetic field generated at the embedded coil (10a) by the first magnetic field; and a second magnetic-field generating unit (23) for generating a second magnetic field having a phase substantially opposite to the phase of the first magnetic field.
摘要翻译：通过设置位置检测装置的高放大率来提供具有改善的位置检测精度的位置检测装置和医疗装置位置检测系统。位置检测装置包括具有至少一个嵌入式线圈（10a）并且设置在待检测对象物（10）的内部的电路; 第一磁场产生单元（11），用于在所述嵌入式线圈（10a）设置的区域中产生第一磁场; 用于通过第一磁场检测在嵌入式线圈（10a）产生的感应磁场的磁场检测单元（5,12）; 以及用于产生具有与第一磁场的相位基本相反的相位的第二磁场的第二磁场产生单元（23）。

22. 发明申请

US20070244388A1 Position Detection System, Guidance System, Position Detection Method, Medical Device, and Medical Magnetic-Induction and Position-Detection System 审中-公开
标题翻译：位置检测系统，指导系统，位置检测方法，医疗器械，医疗磁感应和位置检测系统
公开(公告)号：US20070244388A1
公开(公告)日：2007-10-18
申请号：US11629340
申请日：2005-12-16
申请人： Ryoji Sato , Akio Uchiyama , Atsushi Kimura , Hironao Kawano
发明人： Ryoji Sato , Akio Uchiyama , Atsushi Kimura , Hironao Kawano
IPC分类号： A61B5/06
CPC分类号： A61B1/041 , A61B1/00147 , A61B1/00158 , A61B1/042 , A61B5/062 , A61B5/7232 , A61B34/73
摘要： There are provided a position detection system, a guidance system, and a position detection method which obviate the need for frequency adjustment of an alternating magnetic field used in position detection of a device and which allow the device to be made more compact and less expensive. There are included a device (capsule endoscope 20) provided with a magnetic induction coil, a drive coil 51 for generating an alternating magnetic field, a plurality of magnetic sensors 52 for detecting an induced magnetic field, a frequency determining section 50B for determining a position calculating frequency based on a resonance frequency of the magnetic induction coil, and a position analyzing unit 50A for calculating, at the position calculating frequency, at least one of the position and the orientation of the device 20 based on the difference between outputs from the magnetic sensors 52 when only the alternating magnetic field is applied and outputs from the magnetic sensors 52 when the alternating magnetic field and the induced magnetic field are applied; and at least one of a frequency range of the alternating magnetic field and an output frequency range of the magnetic field sensors is limited based on the position calculating frequency.
摘要翻译：提供了一种位置检测系统，引导系统和位置检测方法，其不需要在设备的位置检测中使用的交变磁场的频率调整，并且允许该设备更加紧凑和更便宜。包括设置有磁感应线圈的装置（胶囊型内窥镜20），用于产生交变磁场的驱动线圈51，用于检测感应磁场的多个磁传感器52，用于确定基于磁感应线圈的共振频率的位置计算频率;以及位置分析单元50A，用于根据位置计算频率的输出之间的差异来计算装置20的位置和取向中的至少一个当仅施加交变磁场的磁传感器52和当施加交变磁场和感应磁场时来自磁传感器52的输出; 并且基于位置计算频率来限制交变磁场的频率范围和磁场传感器的输出频率范围中的至少一个。

23. 发明授权

US09002434B2 Medical device position detecting system, medical device guiding system, and position detecting method for medical device 有权
标题翻译：医疗器械位置检测系统，医疗器械引导系统，医疗器械位置检测方法
公开(公告)号：US09002434B2
公开(公告)日：2015-04-07
申请号：US12095341
申请日：2006-12-04
申请人： Akio Uchiyama , Atsushi Kimura , Ryoji Sato , Atsushi Chiba
发明人： Akio Uchiyama , Atsushi Kimura , Ryoji Sato , Atsushi Chiba
IPC分类号： A61B5/05 , G08B21/00 , A61B5/06 , A61B1/00 , A61B1/04 , A61B19/00 , A61B5/00
CPC分类号： A61B5/06 , A61B1/00158 , A61B1/041 , A61B5/062 , A61B5/7232 , A61B2034/732 , G06F19/00
摘要： Position detection of a medical device is prevented from being impossible even when the frequency characteristic of a magnetic induction coil is varied in accordance with the state of an external magnetic field for guiding the medical device. A medical device position detecting system is a medical device position detecting system which is inserted into the body of a subject and guided by an external magnetic field, and it is equipped with a resonance circuit that is mounted in the medical device, contains a magnetic induction coil having a magnetic material inside and generates an alternate magnetic field, an alternate magnetic field detecting device that is disposed at the outside of an operation region of the medical device and detects the alternate magnetic field generated by the magnetic induction coil, a position information calculator for calculating position information of the medical device on the basis of the detected alternate magnetic field, and a frequency setting unit for setting at least one of the frequency of the alternate magnetic field detected by the alternate magnetic field detecting device and the frequency of the alternate magnetic field generated by the magnetic induction coil on the basis of at least one of the intensity and direction of an external magnetic field at the position of the magnetic induction coil.
摘要翻译：即使当根据用于引导医疗装置的外部磁场的状态改变磁感应线圈的频率特性时，也不会妨碍医疗装置的位置检测。医疗器械位置检测系统是医疗器械位置检测系统，其被插入被检体的体内并被外部磁场引导，并且配备有安装在医疗装置中的谐振电路，其包含磁感应线圈，其内部具有磁性材料并产生交替的磁场;交替磁场检测装置，设置在医疗装置的操作区域的外部，并检测由磁感应线圈产生的交替磁场;位置信息计算器用于基于检测到的交变磁场计算医疗装置的位置信息;以及频率设定单元，用于设定由交变磁场检测装置检测出的交变磁场的频率和交替磁场的频率中的至少一个频率至少基于磁感应线圈产生的磁场在磁感应线圈的位置处的外部磁场的强度和方向之一。

24. 发明授权

US08346343B2 Medical device magnetic guidance/position detection system 有权
标题翻译：医疗器械磁力引导/位置检测系统
公开(公告)号：US08346343B2
公开(公告)日：2013-01-01
申请号：US11633282
申请日：2006-12-04
申请人： Atsushi Kimura , Akio Uchiyama , Ryoji Sato
发明人： Atsushi Kimura , Akio Uchiyama , Ryoji Sato
IPC分类号： A61B5/05
CPC分类号： A61B5/06 , A61B1/00158 , A61B1/041 , A61B5/062
摘要： A medical-device magnetic guiding position detecting system that can prevent a decrease in the strength of a position detecting magnetic field in an operating area of a medical device is provided. The medical-device magnetic guiding position detecting system includes a medical device that is disposed in the body of a subject and that includes at least one magnet and a circuit including an internal coil, a first magnetic field generating unit for generating a first magnetic field in the operating area of the medical device, position detecting means for detecting an induction magnetic field induced in the internal coil due to the first magnetic field, and at least one pair of opposing coils for generating a second magnetic field that acts on the at least one magnet. The opposing coils forming each of the at least one pair are independently driven.
摘要翻译：提供一种可以防止医疗装置的操作区域中的位置检测磁场的强度降低的医疗装置导磁位置检测系统。医疗器械磁性引导位置检测系统包括：医疗装置，其设置在被检体的主体内，并且包括至少一个磁体和包括内部线圈的电路;第一磁场产生部，其用于产生第一磁场; 医疗装置的操作区域，用于检测由于第一磁场而在内部线圈中感应的感应磁场的位置检测装置，以及用于产生作用于至少一个的第二磁场的至少一对相对的线圈磁铁。形成至少一对中的每一个的相对线圈被独立地驱动。

25. 发明授权

US08140145B2 Position detection apparatus and medical-device-position detection system 有权
标题翻译：位置检测装置和医疗装置位置检测系统
公开(公告)号：US08140145B2
公开(公告)日：2012-03-20
申请号：US11571232
申请日：2006-08-16
申请人： Atsushi Kimura , Akio Uchiyama , Ryoji Sato
发明人： Atsushi Kimura , Akio Uchiyama , Ryoji Sato
IPC分类号： A61B5/05
CPC分类号： G01V3/105 , A61B1/00158 , A61B1/041 , A61B5/062
摘要： A position detection apparatus and a medical-device-position detection system that have improved position detection accuracy are provided by setting high amplification for the position detection apparatus. The position detection apparatus includes a circuit that has at least one embedded coil (10a) and that is provided inside an object (10) to be detected; a first magnetic-field generating unit (11) for generating a first magnetic field in the region where the embedded coil (10a) is disposed; a magnetic-field detecting unit (5, 12) for detecting an induced magnetic field generated at the embedded coil (10a) by the first magnetic field; and a second magnetic-field generating unit (23) for generating a second magnetic field having a phase substantially opposite to the phase of the first magnetic field.
摘要翻译：通过设置位置检测装置的高放大率来提供具有改善的位置检测精度的位置检测装置和医疗装置位置检测系统。位置检测装置包括具有至少一个嵌入式线圈（10a）并且设置在待检测对象物（10）的内部的电路; 第一磁场产生单元（11），用于在所述嵌入式线圈（10a）设置的区域中产生第一磁场; 用于通过第一磁场检测在嵌入式线圈（10a）产生的感应磁场的磁场检测单元（5,12）; 以及用于产生具有与第一磁场的相位基本相反的相位的第二磁场的第二磁场产生单元（23）。

26. 发明申请

US20100164484A1 POSITION DETECTION SYSTEM AND POSITION DETECTION METHOD 审中-公开
标题翻译：位置检测系统和位置检测方法
公开(公告)号：US20100164484A1
公开(公告)日：2010-07-01
申请号：US12600566
申请日：2008-04-24
申请人： Akio Uchiyama , Ryoji Sato , Atsushi Kimura , Ryo Karasawa
发明人： Akio Uchiyama , Ryoji Sato , Atsushi Kimura , Ryo Karasawa
IPC分类号： G01B7/14
CPC分类号： A61B5/073 , A61B1/00158 , A61B1/041 , A61B1/045 , A61B5/062 , A61B5/7232 , A61B5/7257
摘要： The position or the direction of a first marker which produces an alternating magnetic field by means of an external power supply is detected precisely even if the first marker coexists with a second marker which includes a resonance circuit having a resonance frequency the same as or close to the frequency of the alternating magnetic field. There is provided a position detection system including a first marker that produces a first alternating magnetic field having a single set of first position-calculating frequencies that are a predetermined frequency away from each other; a second marker provided with a magnetic induction coil having as a resonance frequency a substantially central frequency interposed between the single set of first position-calculating frequencies; a magnetic-field detection section that is disposed outside the working region and that detects a magnetic field at the first position-calculating frequencies; an extracting section that extracts from the detected magnetic field the sum of the intensities of a single set of first detection-magnetic-field components having the single set of first position-calculating frequencies; and a position/direction analyzing section that calculates the position or the direction of the first marker based on the extracted sum.
摘要翻译：即使第一标记与第二标记共存，也可以精确地检测通过外部电源产生交变磁场的第一标记的位置或方向，所述第二标记包括具有共振频率相同或接近的共振频率的谐振电路交变磁场的频率。提供了一种位置检测系统，其包括：第一标记，其产生具有彼此相距预定频率的单组第一位置计算频率的第一交变磁场; 具有磁感应线圈的第二标记，所述磁感应线圈具有插入在所述单组第一位置计算频率之间的基本中心频率的谐振频率; 磁场检测部，其设置在所述工作区域的外部，并且检测所述第一位置算出用频率的磁场; 提取部，其从所述检测的磁场中提取具有所述一组第一位置算出用频率的一组第一检测磁场成分的强度之和; 以及位置/方向分析部，其基于所提取的和来计算第一标记的位置或方向。

27. 发明申请

US20100060472A1 POSITION DETECTION SYSTEM FOR DETECTION OBJECT AND POSITION DETECTION METHOD FOR DETECTION OBJECT 失效
标题翻译：用于检测对象的检测对象和位置检测方法的位置检测系统
公开(公告)号：US20100060472A1
公开(公告)日：2010-03-11
申请号：US12441631
申请日：2007-09-28
申请人： Atsushi Kimura , Akio Uchiyama , Ryoji Sato , Atsushi Chiba
发明人： Atsushi Kimura , Akio Uchiyama , Ryoji Sato , Atsushi Chiba
IPC分类号： G08B21/00
CPC分类号： A61B5/06 , A61B1/041 , A61B5/062 , A61B5/073
摘要： A position detection system for a detection object and a position detection method for a detection object that enable calibration without removing a detection object after the detection object is introduced into a detection space are provided. Provided are a magnetic-field generating unit (3) that generates a position-detection magnetic field; a detection object (5) including a resonant circuit (21) that generates a resonant magnetic field and an external-signal switch that connects or disconnects the path of the resonant circuit (21); a switch-controlling unit (7) that controls connecting or disconnecting of the external-signal switch; a position-detection-magnetic-field detecting unit (9) that detects the magnetic field strength of at least one of the position-detection magnetic field and the resonant magnetic field; and a position-calculating unit (11) that calculates the position and orientation of the detection object (5) based on a detection signal from the position-detection-magnetic-field detecting unit (9).
摘要翻译：提供了一种用于检测对象的位置检测系统和用于在检测对象被引入检测空间之后能够在不移除检测对象的情况下进行校准的检测对象的位置检测方法。提供产生位置检测磁场的磁场产生单元（3）包括产生谐振磁场的谐振电路（21）和连接或断开谐振电路（21）的路径的外部信号开关的检测对象（5）。开关控制单元（7），其控制外部信号开关的连接或断开; 位置检测用磁场检测单元，其检测所述位置检测用磁场和所述共振磁场中的至少一个的磁场强度; 以及基于来自所述位置检测用磁场检测部（9）的检测信号来计算检测对象（5）的位置和姿势的位置计算部（11）。

28. 发明申请

US20090137883A1 CAPSULE MEDICAL SYSTEM AND BIOLOGICAL INFORMATION ACQUIRING METHOD 有权
标题翻译： CAPSULE医疗系统和生物信息获取方法
公开(公告)号：US20090137883A1
公开(公告)日：2009-05-28
申请号：US12324979
申请日：2008-11-28
申请人： Atsushi Chiba , Akio Uchiyama , Hironobu Takizawa , Ryoji Sato , Atsushi Kimura , Tetsuo Minai , Takeshi Mori
发明人： Atsushi Chiba , Akio Uchiyama , Hironobu Takizawa , Ryoji Sato , Atsushi Kimura , Tetsuo Minai , Takeshi Mori
IPC分类号： A61B5/07
CPC分类号： A61B5/0028 , A61B1/00016 , A61B1/041 , A61B5/062 , A61B5/073
摘要： A capsule medical system is provided with a capsule medical device to be inserted into a subject, at least one electrode pad having a plurality of receiving electrodes, a receiving electrode switching unit, a control unit for controlling operations of the receiving electrode switching unit, and a position detector. The capsule medical device has a biological information acquiring unit for acquiring biological information of the subject, and a transmitting unit for outputting the biological information from a transmitting electrode through a living body. At least one electrode pad detects the biological information by a plurality of receiving electrodes. The receiving electrode switching unit switches a pair of receiving electrodes among the plurality of receiving electrodes. The position detector detects a position of the capsule medical device inside the subject based on the biological information detected by the electrode pad, and position coordinate data of the plurality of receiving electrodes.
摘要翻译：胶囊型医疗系统设置有插入被检体的胶囊型医疗装置，具有多个接收电极的至少一个电极焊盘，接收电极切换部，控制接收电极切换部的动作的控制部，以及位置检测器。胶囊型医疗装置具有用于获取被检体的生物信息的生物体信息取得部，以及通过活体从发送用电极输出生物体信息的发送部。至少一个电极焊盘通过多个接收电极检测生物信息。接收电极切换单元切换多个接收电极中的一对接收电极。位置检测器基于由电极焊盘检测出的生物信息检测被检体内的胶囊型医疗装置的位置，并且检测多个接收电极的坐标数据。

29. 发明授权

US09039606B2 Encapsulated medical device guidance system, and a method of controlling the same 有权
标题翻译：封装医疗器械引导系统及其控制方法
公开(公告)号：US09039606B2
公开(公告)日：2015-05-26
申请号：US12146712
申请日：2008-06-26
申请人： Akio Uchiyama , Atsushi Kimura , Isao Aoki
发明人： Akio Uchiyama , Atsushi Kimura , Isao Aoki
IPC分类号： A61B1/04 , A61B1/00 , A61B19/00
CPC分类号： A61B1/041 , A61B1/00158 , A61B34/70 , A61B34/73
摘要： An encapsulated medical device guidance system, and a method of controlling the system, in which a magnetic generator acts on a magnet built into a capsulated medical device, and generates a magnetic field for controlling the position and/or posture of the capsulated medical device, and a control unit has a dynamic torque estimation unit to estimate a dynamic torque to be applied to the encapsulated medical device in a target posture, controls a magnetic field generated from the magnetic field generator so that a magnetic torque generated by the magnetic field generator becomes proportional to a dynamic torque estimated by the dynamic torque estimation unit, and controls the posture of a capsule endoscope by considering gravity applied to the capsule endoscope itself.
摘要翻译：一种封装的医疗装置引导系统和一种控制系统的方法，其中磁性发生器作用在内置于封装的医疗装置中的磁体上，并且产生用于控制封装的医疗装置的位置和/或姿势的磁场，并且控制单元具有动态转矩估计单元，用于估计以目标姿态施加到封装医疗装置的动态转矩，控制从磁场发生器产生的磁场，使得由磁场发生器产生的磁转矩变为与由动态力矩估计单元估计的动态转矩成比例，并通过考虑施加到胶囊型内窥镜本身的重力来控制胶囊型内窥镜的姿态。

30. 发明授权

US08337396B2 Encapsulated medical device guidance system, and a method of controlling the same 有权
标题翻译：封装医疗器械引导系统及其控制方法
公开(公告)号：US08337396B2
公开(公告)日：2012-12-25
申请号：US12146725
申请日：2008-06-26
申请人： Atsushi Kimura , Akio Uchiyama , Masatoshi Homan
发明人： Atsushi Kimura , Akio Uchiyama , Masatoshi Homan
IPC分类号： A61B1/00 , A61B1/04
CPC分类号： A61B1/00016 , A61B1/00147 , A61B1/00156 , A61B1/00158 , A61B1/041 , A61B1/045 , A61B5/0031 , A61B5/061 , A61B5/073 , A61B2034/732
摘要： An encapsulated medical device system according to an embodiment of the present invention includes a selector between a receiving device and a plurality of receiving antennas having their respective directionalities. The system selects and disconnects any receiving antenna subjected to the effect of a magnetic field used to guide a capsule endoscope, and captures information about the inside of a body from the appropriate receiving antenna thus selected. The system prevents an overload current caused by induced voltage from being applied to the receiving device. The system includes the function of preventing the overload current, caused by induced voltage arising from a sudden movement of the capsule endoscope or sudden change in magnetic field gradient, from being applied to a transmission circuit of the capsule endoscope and a receiving device.
摘要翻译：根据本发明的实施例的封装医疗装置系统包括在接收装置和具有其各自方向性的多个接收天线之间的选择器。系统选择和断开受到用于引导胶囊型内窥镜的磁场的影响的任何接收天线，并且从这样选择的适当的接收天线捕获关于身体内部的信息。该系统防止由感应电压引起的过载电流施加到接收装置。该系统包括防止由胶囊型内窥镜的突然移动引起的感应电压或磁场梯度的突然变化引起的过载电流被施加到胶囊型内窥镜和接收装置的传输电路的功能。

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