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11. 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。

12. 发明授权

US08177715B2 Capsule medical system and biological information acquiring method 有权
标题翻译：胶囊医疗系统和生物信息获取方法
公开(公告)号：US08177715B2
公开(公告)日：2012-05-15
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： A61B5/00
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。

13. 发明授权

US08095330B2 Position detecting device 有权
标题翻译：位置检测装置
公开(公告)号：US08095330B2
公开(公告)日：2012-01-10
申请号：US12729370
申请日：2010-03-23
申请人： Atsushi Kimura , Akio Uchiyama , Atsushi Chiba , Ryoji Sato
发明人： Atsushi Kimura , Akio Uchiyama , Atsushi Chiba , Ryoji Sato
IPC分类号： G06F19/00 , A61B5/05
CPC分类号： A61B34/73 , A61B1/00158 , A61B1/041 , A61B1/05 , A61B5/062 , A61B2034/2051 , A61M25/0127
摘要： A position detecting device includes a position calculator that performs an optimization convergence calculation using an evaluation function that expresses an error between a measurement value and a theoretical value of magnetic field information of a detection target to calculate at least a position of the detection target; a storage unit that stores a final convergence result of the optimization convergence calculation performed by the position calculator; and a controller that determines whether a result of the optimization convergence calculation converges, suspends the optimization convergence calculation performed by the position calculator when the result does not converge, and performs, after a predetermined time has passed, a returning process of returning a state of the optimization convergence calculation to a converged state by causing the position calculator to perform the optimization convergence calculation based on the final convergence result.
摘要翻译：位置检测装置包括位置计算器，其使用表示测量值与检测对象的磁场信息的理论值之间的误差的评估函数进行优化收敛计算，以至少计算检测对象的位置; 存储单元，存储由位置计算器执行的优化收敛计算的最终收敛结果; 以及控制器，其判定所述优化收敛计算的结果是否收敛，并且在所述结果不收敛时暂停由所述位置计算器执行的优化收敛计算，并且在经过预定时间之后执行返回的返回处理通过使位置计算器基于最终收敛结果进行优化收敛计算，将优化收敛计算成会聚状态。

14. 发明申请

US20100134096A1 POSITION DETECTING DEVICE, MEDICAL DEVICE GUIDING SYSTEM, POSITION DETECTING METHOD, AND MEDICAL DEVICE GUIDING METHOD 失效
标题翻译：位置检测装置，医疗装置引导系统，位置检测方法和医疗装置引导方法
公开(公告)号：US20100134096A1
公开(公告)日：2010-06-03
申请号：US12595400
申请日：2008-04-18
申请人： Atsushi Chiba , Akio Uchiyama , Atsushi Kimura , Ryoji Sato
发明人： Atsushi Chiba , Akio Uchiyama , Atsushi Kimura , Ryoji Sato
IPC分类号： G01B7/14
CPC分类号： A61B5/06 , A61B1/00158 , A61B1/041 , A61B5/062 , A61B34/20 , A61B2034/2051 , A61B2090/3958 , G01B7/003
摘要： Provided is a position detecting device including a first magnetic-field generating unit including at least one magnetic-field generating coil and that generates a first magnetic field in a detection space where a detected object provided with a circuit including at least one built-in coil is disposed; a magnetic-field detecting unit having a plurality of detecting coils arrayed to detect an induced magnetic field generated from the built-in coil by the generated first magnetic field; and a second magnetic-field generating unit including at least one magnetic-field generating coil, that generates a second magnetic field, and including a magnetic-field component having a phase substantially opposite to the first magnetic field and entering the detecting coils, wherein the first magnetic-field generating unit and the detecting coils are disposed so that a generating direction of the first magnetic field and a detecting direction of the induced magnetic field intersect each other.
摘要翻译：提供一种位置检测装置，其包括：第一磁场产生单元，包括至少一个磁场产生线圈，并且在检测空间中产生第一磁场，其中检测对象设置有包括至少一个内置线圈被处置磁场检测单元，具有多个检测线圈，其被排列成通过所产生的第一磁场来检测从内置线圈产生的感应磁场; 以及第二磁场产生单元，其包括产生第二磁场的至少一个磁场产生线圈，并且包括具有与第一磁场基本相反的相位并进入检测线圈的磁场分量，其中，第一磁场产生单元和检测线圈被布置成使得第一磁场的产生方向和感应磁场的检测方向彼此相交。

15. 发明申请

US20100022835A1 MEDICAL-DEVICE GUIDANCE SYSTEM 有权
标题翻译：医疗设备指导系统
公开(公告)号：US20100022835A1
公开(公告)日：2010-01-28
申请号：US12307490
申请日：2007-06-29
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： A61B1/00
CPC分类号： A61B1/041 , A61B1/00016 , A61B1/00158 , A61B5/0031 , A61B5/061 , A61B5/073 , A61B34/70 , A61B34/73 , A61B2034/732 , A61B2090/3925 , A61B2090/3958 , G06F19/00
摘要： A situation where a medical device is outside a region suitable for guidance control thereof can be easily coped with. Included are a medical device provided with a magnet; a guiding unit (5X-1, 5X-2, 5Y-1, 5Y-2, 5Z-1, 5Z-2) that forms a control magnetic field for guidance control of the medical device, inside a prescribed control area; a detection unit (7Y-1, 7Y-2) that detects positional information of the medical device; and a computational unit that judges that the medical device has gone outside the control area on the basis of an output from the detection unit (7Y-1, 7Y-2) and calculates a direction for returning the medical device to the control area, wherein a signal-waveform calculating unit (21) stops forming the control magnetic field when the medical device is outside the control area.
摘要翻译：可以容易地应对医疗装置在适于引导控制的区域之外的情况。包括设有磁铁的医疗器械; 在规定的控制区域内形成用于医疗装置的引导控制的控制磁场的引导单元（5X-1，5X-2,5Y-1,5Y-2,5Z-1,5Z-2）检测单元（7Y-1,7Y-2），其检测医疗装置的位置信息; 以及计算单元，其基于来自所述检测单元（7Y-1,7Y-2）的输出判定所述医疗装置已经在所述控制区域外，并计算将所述医疗装置返回到所述控制区域的方向，其中，当医疗装置在控制区域外部时，信号波形计算单元（21）停止形成控制磁场。

16. 发明申请

US20100219825A1 POSITION DETECTION SYSTEM AND POSITION DETECTION METHOD 有权
标题翻译：位置检测系统和位置检测方法
公开(公告)号：US20100219825A1
公开(公告)日：2010-09-02
申请号：US12159189
申请日：2006-12-25
申请人： Ryoji Sato , Akio Uchiyama , Atsushi Kimura
发明人： Ryoji Sato , Akio Uchiyama , Atsushi Kimura
IPC分类号： G01R33/44
CPC分类号： A61B5/073 , A61B1/00158 , A61B1/041 , A61B1/05 , A61B5/061 , A61B5/7232 , A61B34/20 , A61B90/361 , A61B2034/2051 , A61B2090/364 , A61B2090/3954
摘要： A position detection system and a position detection method in which the accuracy of position measurement of a device is not decreased after a change in the resonant frequency of a magnetic induction coil are provided. The position detection system includes a device having a magnetic induction coil; a driving coil that generates an alternating magnetic field, to be applied to the magnetic induction coil, having a position-calculating frequency in the vicinity of a resonant frequency of the magnetic induction coil; a plurality of magnetic sensors that detects an induced magnetic field generated by the magnetic induction coil when the alternating magnetic field is applied thereto; a measurement-reference-value calculating section (50d) that determines a measurement reference value at the position-calculating frequency, based on an output of the magnetic sensors when only the alternating magnetic field is applied thereto; a position-analyzing section (50e) that calculates at least one of the position and orientation of the device, based on a difference measurement value that is a difference between an output of the magnetic sensors when the alternating magnetic field and the induced magnetic field are applied thereto and the measurement reference value; and a redetermining section (50b) that redetermines the position-calculating frequency at a predetermined timing.
摘要翻译：提供了磁感应线圈的谐振频率的变化之后，不降低器件的位置测量精度的位置检测系统和位置检测方法。位置检测系统包括具有磁感应线圈的装置; 驱动线圈，其产生施加到所述磁感应线圈的交变磁场，所述交变磁场具有位于所述磁感应线圈的共振频率附近的位置算出频率; 多个磁传感器，其在施加交变磁场时检测由所述磁感应线圈产生的感应磁场; 测量基准值计算部（50d），其仅当施加了交变磁场时，基于磁传感器的输出来确定位置算出频率下的测量基准值; 基于作为交变磁场和感应磁场的磁传感器的输出之间的差的差测量值来计算装置的位置和取向中的至少一个的位置分析部（50e）施加到其上并测量参考值; 以及重新确定部（50b），其在预定的定时重新确定位置计算频率。

17. 发明申请

US20100073185A1 POSITION DETECTION SYSTEM, MEDICAL-DEVICE GUIDANCE SYSTEM, AND POSITION DETECTION METHOD 失效
标题翻译：位置检测系统，医疗设备指导系统和位置检测方法
公开(公告)号：US20100073185A1
公开(公告)日：2010-03-25
申请号：US12443605
申请日：2007-11-27
申请人： Akio Uchiyama , Ryoji Sato , Atsushi Kimura
发明人： Akio Uchiyama , Ryoji Sato , Atsushi Kimura
IPC分类号： G08B21/00
CPC分类号： G01B7/003 , A61B1/00158 , A61B1/041 , A61B5/06 , A61B5/062 , A61B5/7232 , A61B5/7257 , A61B34/73 , G01D5/2086
摘要： There is provided a position detection system (1) including a first marker (4) that produces a first alternating magnetic field having a first position-calculating frequency by means of an external power supply; a second marker (3) including a magnetic induction coil (5) having a resonance frequency equal to the position-calculating frequency; a magnetic-field detection section (13) that is disposed outside a working region of the second marker (3) and that detects a magnetic field at the first position-calculating frequency; an extracting section (24) that extracts, from the detected magnetic field, a first detection-magnetic-field component having the first position-calculating frequency and having the same phase as the phase of the first alternating magnetic field; and a position/orientation analyzing section (22) that calculates at least one of the position and the orientation of the first marker (4) based on the intensity of the extracted first detection-magnetic-field component.
摘要翻译：提供了一种位置检测系统（1），包括：通过外部电源产生具有第一位置计算频率的第一交变磁场的第一标记（4）; 包括具有等于位置计算频率的共振频率的磁感应线圈（5）的第二标记（3）磁场检测部（13），其设置在所述第二标记（3）的工作区域的外侧，并且检测所述第一位置算出用频率的磁场; 提取部（24），其从所述检测的磁场中提取具有与所述第一交变磁场的相位相同的所述第一位置算出用频率的第一检测磁场成分; 以及基于所提取的第一检测磁场分量的强度来计算第一标记（4）的位置和取向中的至少一个的位置/取向分析部（22）。

18. 发明申请

US20090295386A1 POSITION DETECTION SYSTEM 有权
标题翻译：位置检测系统
公开(公告)号：US20090295386A1
公开(公告)日：2009-12-03
申请号：US12088985
申请日：2006-10-06
申请人： Ryoji Sato , Akio Uchiyama , Atsushi Kimura
发明人： Ryoji Sato , Akio Uchiyama , Atsushi Kimura
IPC分类号： G01R33/44 , G01B7/14
CPC分类号： A61B1/041 , A61B1/00158 , A61B5/062 , A61B5/7257 , A61B34/73 , A61B2034/732
摘要： A position detection system that does not require calibration measurement to be performed in advance and reduces the work required for detecting a position and so on is provided. The provided position detection system includes a device having a magnetic inductance coil; a drive coil that has a position-calculating frequency near a resonant frequency of the magnetic inductance coil and generates an alternating magnetic field which acts on the magnetic inductance coil; a plurality of magnetic-field sensors that is disposed outside the operating range of the device and detects an induced magnetic field generated by the magnetic inductance coil; amplitude-component detection section for detecting amplitude components whose phase is substantially orthogonal to the alternating magnetic field from the outputs of the magnetic sensors acquired by the plurality of magnetic sensors; and position analyzing section for calculating at least one of a position and an orientation of the device on the basis of the amplitude components.
摘要翻译：提供了一种位置检测系统，其不需要预先执行校准测量并且减少检测位置等所需的工作。提供的位置检测系统包括具有磁感线圈的装置; 驱动线圈，其具有靠近所述磁感应线圈的共振频率的位置算出频率，并产生作用在所述磁感应线圈上的交变磁场; 多个磁场传感器，其设置在所述装置的工作范围之外，并检测由所述磁感应线圈产生的感应磁场; 幅度分量检测部，用于从所述多个磁传感器获取的所述磁传感器的输出中检测与所述交变磁场大致正交的振幅分量; 以及位置分析部分，用于基于振幅分量来计算装置的位置和取向中的至少一个。

19. 发明授权

US08260398B2 Position detection system, medical-device guidance system, and position detection method 失效
标题翻译：位置检测系统，医疗器械引导系统和位置检测方法
公开(公告)号：US08260398B2
公开(公告)日：2012-09-04
申请号：US12443605
申请日：2007-11-27
申请人： Akio Uchiyama , Ryoji Sato , Atsushi Kimura
发明人： Akio Uchiyama , Ryoji Sato , Atsushi Kimura
IPC分类号： A61B5/05
CPC分类号： G01B7/003 , A61B1/00158 , A61B1/041 , A61B5/06 , A61B5/062 , A61B5/7232 , A61B5/7257 , A61B34/73 , G01D5/2086
摘要： There is provided a position detection system (1) including a first marker (4) that produces a first alternating magnetic field having a first position-calculating frequency by means of an external power supply; a second marker (3) including a magnetic induction coil (5) having a resonance frequency equal to the position-calculating frequency; a magnetic-field detection section (13) that is disposed outside a working region of the second marker (3) and that detects a magnetic field at the first position-calculating frequency; an extracting section (24) that extracts, from the detected magnetic field, a first detection-magnetic-field component having the first position-calculating frequency and having the same phase as the phase of the first alternating magnetic field; and a position/orientation analyzing section (22) that calculates at least one of the position and the orientation of the first marker (4) based on the intensity of the extracted first detection-magnetic-field component.
摘要翻译：提供了一种位置检测系统（1），包括：通过外部电源产生具有第一位置计算频率的第一交变磁场的第一标记（4）; 包括具有等于位置计算频率的共振频率的磁感应线圈（5）的第二标记（3）磁场检测部（13），其设置在所述第二标记（3）的工作区域的外侧，并且检测所述第一位置算出用频率的磁场; 提取部（24），其从所述检测的磁场中提取具有与所述第一交变磁场的相位相同的所述第一位置算出用频率的第一检测磁场成分; 以及基于所提取的第一检测磁场分量的强度来计算第一标记（4）的位置和取向中的至少一个的位置/取向分析部（22）。

20. 发明授权

US08164334B2 Position detection system 有权
标题翻译：位置检测系统
公开(公告)号：US08164334B2
公开(公告)日：2012-04-24
申请号：US12088985
申请日：2006-10-06
申请人： Ryoji Sato , Akio Uchiyama , Atsushi Kimura
发明人： Ryoji Sato , Akio Uchiyama , Atsushi Kimura
IPC分类号： G01V3/00
CPC分类号： A61B1/041 , A61B1/00158 , A61B5/062 , A61B5/7257 , A61B34/73 , A61B2034/732
摘要： A position detection system that does not require calibration measurement to be performed in advance and reduces the work required for detecting a position and so on is provided. The provided position detection system includes a device having a magnetic inductance coil; a drive coil that has a position-calculating frequency near a resonant frequency of the magnetic inductance coil and generates an alternating magnetic field which acts on the magnetic inductance coil; a plurality of magnetic-field sensors that is disposed outside the operating range of the device and detects an induced magnetic field generated by the magnetic inductance coil; amplitude-component detection section for detecting amplitude components whose phase is substantially orthogonal to the alternating magnetic field from the outputs of the magnetic sensors acquired by the plurality of magnetic sensors; and position analyzing section for calculating at least one of a position and an orientation of the device on the basis of the amplitude components.
摘要翻译：提供了一种位置检测系统，其不需要预先执行校准测量并且减少检测位置等所需的工作。提供的位置检测系统包括具有磁感线圈的装置; 驱动线圈，其具有靠近所述磁感应线圈的共振频率的位置算出频率，并产生作用在所述磁感应线圈上的交变磁场; 多个磁场传感器，其设置在所述装置的工作范围之外，并检测由所述磁感应线圈产生的感应磁场; 幅度分量检测部，用于从所述多个磁传感器获取的所述磁传感器的输出中检测与所述交变磁场大致正交的相位的振幅分量; 以及位置分析部分，用于基于振幅分量来计算装置的位置和取向中的至少一个。

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