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1. 发明授权

US10898098B2 Myocardial excitation determining apparatus 有权
公开(公告)号：US10898098B2
公开(公告)日：2021-01-26
申请号：US16085095
申请日：2017-03-14
申请人： SHIGA UNIVERSITY OF MEDICAL SCIENCE , NIHON KOHDEN CORPORATION , Takeshi Tsuchiya , NATIONAL CEREBRAL AND CARDIOVASCULAR CENTER
发明人： Takashi Ashihara , Koji Takizawa , Tatsuo Nishihara , Nobuhiro Suzuki , Yuuho Iwanaga , Akio Ota , Takeshi Tsuchiya , Kazuo Nakazawa , Shin Inada
IPC分类号： A61B5/046 , A61B5/00 , G16H50/20 , A61B5/042
摘要： A myocardial excitation determining apparatus which can support the determination of excitation dynamics of the myocardium during atrial fibrillation is provided. A myocardial excitation determining apparatus has: an acquiring section 2 which acquires an intracardiac electrocardiogram of a subject; a processing section 3 which computes to produce visualized data indicating a state of excitation in the myocardium, based on the intracardiac electrocardiogram; and a determining section 4 which determines the type of excitation dynamics of the myocardium based on the visualized data.

2. 发明授权

US09792679B2 Diagnosis assistance apparatus, diagnosis assistance method, and computer readable storage medium 有权
公开(公告)号：US09792679B2
公开(公告)日：2017-10-17
申请号：US14299059
申请日：2014-06-09
申请人： NATIONAL CEREBRAL AND CARDIOVASCULAR CENTER , Nihon Kohden Corporation
发明人： Kazuo Nakazawa , Michiaki Iwata , Miyuki Hayashi , Tatsuo Yoshida , Tatsuo Nishihara , Koji Takizawa
IPC分类号： G06K9/00 , G06T7/00 , G06F19/00
CPC分类号： G06T7/0012 , G06F19/00 , G06F19/321 , G16H15/00 , G16H50/20
摘要： A diagnosis assistance apparatus for assisting a diagnosis using schemas includes a storage section that stores a plurality of different schemas each configured by a figure representing a body region, an acquiring section that acquires results of a plurality of examinations that are performed on an examination target, a schema refining section that refines a schema of a body region related to a disease that is predicted from the acquired examination results, from the schemas step-by-step in accordance with progress of the examinations, and a displaying section that displays the schema refined by the schema refining section.

3. 发明授权

US11464441B2 Myocardial analysis apparatus and myocardial excitation detection apparatus 有权
公开(公告)号：US11464441B2
公开(公告)日：2022-10-11
申请号：US16829858
申请日：2020-03-25
申请人： SHIGA UNIVERSITY OF MEDICAL SCIENCE , NIHON KOHDEN CORPORATION , Takeshi Tsuchiya , NATIONAL CEREBRAL AND CARDIOVASCULAR CENTER
发明人： Takashi Ashihara , Koji Takizawa , Tatsuo Nishihara , Nobuhiro Suzuki , Yuuho Iwanaga , Akio Ota , Takeshi Tsuchiya , Kazuo Nakazawa , Shin Inada
IPC分类号： A61B5/361 , A61B5/25 , A61B5/318 , A61B5/349 , A61B5/352 , A61B5/00 , A61B5/322 , A61B5/02 , A61B18/14
摘要： A myocardial excitation complementation/visualization apparatus includes an acquiring section that acquires intracardiac electrocardiograms of a subject, the intracardiac electrocardiograms being recorded by a recording unit having a plurality of electrodes, a processing section that performs a computation for completing and visualizing a state of excitation in a myocardium of the subject based on the intracardiac electrocardiograms, and a displaying section that displays the state of excitation in the myocardium of the subject based on an output of the processing section. The processing section includes a first generating section, a correcting section, a second generating section, and a third generating section. The displaying section displays a change of the state of excitation in the myocardium of the subject based on the visualized data.

4. 发明授权

US08918167B2 RI measurement/notification apparatus and measurement/notification program 有权
标题翻译： RI测量/通知装置和测量/通知程序
公开(公告)号：US08918167B2
公开(公告)日：2014-12-23
申请号：US13764113
申请日：2013-02-11
申请人： Nihon Kohden Corporation
发明人： Koji Takizawa , Tatsuo Nishihara , Yuuho Iwanaga
IPC分类号： A61B5/046 , A61B5/044 , A61B5/04
CPC分类号： A61B5/044 , A61B5/04012 , A61B5/046
摘要： An RI measurement/notification apparatus includes: a displaying section configured to display waveform data of an intracardiac electrocardiogram; a waveform data acquiring section configured to acquire waveform data in a preset waveform data acquisition time period from an intracardiac electrocardiogram during atrial fibrillation; an RI calculating section configured to calculate an RI value based on the waveform data acquired by the waveform data acquiring section; and a notifying section configured to, in a case where the RI value calculated by the RI calculating section exceeds a preset threshold, notify that the value exceeds the threshold.
摘要翻译： RI测量/通知装置包括：显示部，被配置为显示心内心电图的波形数据; 波形数据获取部，被配置为从心房颤动期间的心内心电图获取预设波形数据获取时间段中的波形数据; RI计算部，被配置为基于由所述波形数据获取部获取的波形数据来计算RI值; 以及通知部，其被配置为在由所述RI计算部计算出的RI值超过预设阈值的情况下，通知所述值超过所述阈值。

5. 发明授权

US08825147B2 Cardiac muscle excitation waveform detector 有权
标题翻译：心肌激发波形检测器
公开(公告)号：US08825147B2
公开(公告)日：2014-09-02
申请号：US13785800
申请日：2013-03-05
申请人： Nihon Kohden Corporation
发明人： Koji Takizawa , Tatsuo Nishihara , Yuuho Iwanaga , Satoshi Suzuki , Naoki Hattori , Hiroki Yuze
IPC分类号： A61B5/04 , A61B5/02 , A61B5/046 , A61B5/00
CPC分类号： A61B5/046 , A61B5/7235
摘要： A cardiac muscle excitation waveform detector including: a waveform acquisition section that acquires, in a preset period, a waveform from an intracardiac electrocardiogram measured in middle of occurrence of atrial fibrillation; a waveform detection condition setting section that sets conditions for detecting a waveform of cardiac muscle excitation; and an excitation waveform detection section that detects a waveform of cardiac muscle excitation from the waveforms based on the conditions, wherein the waveform detection condition setting section includes a section that sets conditions based on a contour of a waveform to detect candidates for the waveform of cardiac muscle excitation, a section that sets a search period for searching for a waveform of cardiac muscle excitation; and a section that sets a preset period subsequent to detection as a detection exclusion period during which the candidate waveforms are not detected when the waveform of cardiac muscle excitation is detected.
摘要翻译：一种心肌激励波形检测器，包括：波形获取部，其在预先设定的时间段中从心房颤动发生中心测量出的心内心电图获取波形; 波形检测条件设定部，其设定用于检测心肌激励波形的条件; 以及激励波形检测部，其基于所述条件从所述波形检测心肌激励的波形，其中所述波形检测条件设定部包括基于波形轮廓设定条件的部分，以检测心脏波形的候选肌肉激发，设置搜索周期以搜索心肌激动波形的部分; 以及将检测到之后的预设期间设定为在检测到心肌激励的波形时未检测出候选波形的检测排除期间的部分。

6. 发明申请

US20200221964A1 MYOCARDIAL ANALYSIS APPARATUS AND MYOCARDIAL EXCITATION DETECTION APPARATUS 审中-公开
公开(公告)号：US20200221964A1
公开(公告)日：2020-07-16
申请号：US16829858
申请日：2020-03-25
申请人： SHIGA UNIVERSITY OF MEDICAL SCIENCE , NIHON KOHDEN CORPORATION , Takeshi TSUCHIYA , NATIONAL CERERAL AND CARDIOVASCULAR CENTER
发明人： Takashi ASHIHARA , Koji Takizawa , Tatsuo Nishihara , Nobuhiro Suzuki , Yuuho Iwanaga , Akio Ota , Takeshi Tsuchiya , Kazuo Nakazawa , Shin Inada
IPC分类号： A61B5/046 , A61B5/0402 , A61B5/0452 , A61B5/0408 , A61B5/0456 , A61B5/00
摘要： A myocardial excitation complementation/visualization apparatus includes an acquiring section that acquires intracardiac electrocardiograms of a subject, the intracardiac electrocardiograms being recorded by a recording unit having a plurality of electrodes, a processing section that performs a computation for completing and visualizing a state of excitation in a myocardium of the subject based on the intracardiac electrocardiograms, and a displaying section that displays the state of excitation in the myocardium of the subject based on an output of the processing section. The processing section includes a first generating section, a correcting section, a second generating section, and a third generating section. The displaying section displays a change of the state of excitation in the myocardium of the subject based on the visualized data.

7. 发明授权

US10517495B2 Electrocardiogram analyzer 有权
公开(公告)号：US10517495B2
公开(公告)日：2019-12-31
申请号：US15205562
申请日：2016-07-08
申请人： UNIVERSITY OF TSUKUBA , NIHON KOHDEN CORPORATION
发明人： Akihiko Nogami , Koji Takizawa
IPC分类号： A61B5/04 , A61B5/0432 , A61B5/042 , A61B5/044 , A61B5/0408 , A61B5/00 , A61B5/0456 , G16H50/30 , G16H50/20 , A61B5/0428
摘要： An electrocardiogram analyzer includes a first acquiring section that acquires a body surface electrocardiogram of a subject, a second acquiring section that acquires an intracardiac electrocardiogram of a ventricle of a heart of the subject, and an analyzing section that performs a frequency analysis on the intracardiac electrocardiogram and includes a range setting section that sets an analysis time range of the frequency analysis in the intracardiac electrocardiogram based on a unit waveform of the body surface electrocardiogram, and a calculating section that, in the analysis time range, performs the frequency analysis on the intracardiac electrocardiogram, and that calculates an index value indicating a ratio of local abnormal ventricular activities in the intracardiac electrocardiogram.

8. 发明授权

US09782100B2 Bio-information analysis device 有权
公开(公告)号：US09782100B2
公开(公告)日：2017-10-10
申请号：US14632340
申请日：2015-02-26
申请人： NIHON KOHDEN CORPORATION
发明人： Koji Takizawa , Tatsuo Nishihara , Naoki Koura , Yuuho Iwanaga , Naoki Hattori
IPC分类号： A61B5/00 , A61B5/04 , A61B5/0452 , A61N1/37 , A61N1/365
CPC分类号： A61B5/04525 , A61B5/04012 , A61B5/0452 , A61N1/365 , A61N1/3702
摘要： A bio-information analysis device includes a measuring unit that measures biometric waveforms of a subject, and a calculating unit that calculates a matching rate of the biometric waveforms based on shapes and magnitudes of the biometric waveforms measured by the measuring unit. In the bio-information analysis device, the biometric waveforms may be electrocardiogram waveforms.

9. 发明申请

US20150250400A1 BIO-INFORMATION ANALYSIS DEVICE 有权
标题翻译：生物信息分析装置
公开(公告)号：US20150250400A1
公开(公告)日：2015-09-10
申请号：US14632340
申请日：2015-02-26
申请人： NIHON KOHDEN CORPORATION
发明人： Koji Takizawa , Tatsuo Nishihara , Naoki Koura , Yuuho Iwanaga , Naoki Hattori
IPC分类号： A61B5/0452 , A61N1/37 , A61B5/04
CPC分类号： A61B5/04525 , A61B5/04012 , A61B5/0452 , A61N1/365 , A61N1/3702
摘要： A bio-information analysis device includes a measuring unit that measures biometric waveforms of a subject, and a calculating unit that calculates a matching rate of the biometric waveforms based on shapes and magnitudes of the biometric waveforms measured by the measuring unit. In the bio-information analysis device, the biometric waveforms may be electrocardiogram waveforms.
摘要翻译：生物信息分析装置包括：测量对象的生物体波形的测量单元;以及计算单元，其基于由所述测量单元测量的生物体波形的形状和大小来计算所述生物特征波形的匹配率。在生物信息分析装置中，生物体波形可以是心电图波形。

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