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1. 发明专利

ES2731331T3 Sistema y método para procesar señales de catéteres intracardiacos 未知
公开(公告)号：ES2731331T3
公开(公告)日：2019-11-15
申请号：ES16717116
申请日：2016-04-08
申请人： CATHVISION APS
发明人： MATTHIESEN MADS EMIL , LARSEN SIGGE NEJST
IPC分类号： A61B5/00 , A61B5/308
摘要： Sistema para registrar señales intracardiacas y para proporcionar impulsos de estimulación y/o energía de ablación en ubicaciones intracardiacas, comprendiendo el sistema: - una pluralidad de terminales intracardiacos (10a-d) adaptados para recoger potenciales electrofisiológicos intracardiacos de una pluralidad de electrodos intracardiacos pasivos (1a-d) en ubicaciones intracardiacas respectivas en un individuo (99); - un terminal indiferente (20) adaptado para recoger potenciales electrofisiológicos indiferentes de uno o más electrodos indiferentes (2) en o sobre el individuo (99); - una etapa de amplificador diferencial (30) adaptada para recibir y amplificar los potenciales electrofisiológicos recolectados de los terminales intracardiacos e indiferentes (10a-d, 20) con respecto a una referencia de señal para obtener las señales respectivas intracardiacas e indiferentes (201a-d, 202); y - un dispositivo procesador 40 adaptado para determinar una señal de modo común (900) como promedio de las señales intracardiacas e indiferentes (201a-d, 202) y adaptado para proporcionar una salida de datos intracardiacos basados al menos en las señales intracardiacas (201a-d), en donde las señales intracardiacas (201a-d) están referenciadas con respecto a la señal de modo común (900).

2. 发明专利

DK3280316T3 SYSTEM OG FREMGANGSMÅDE TIL PROCESSERING AF SIGNALER FRA INTRAKARDIALE KATETRE 未知
公开(公告)号：DK3280316T3
公开(公告)日：2019-06-24
申请号：DK16717116
申请日：2016-04-08
申请人： CATHVISION APS
发明人： MATTHIESEN MADS EMIL , LARSEN SIGGE NEJST
IPC分类号： A61B5/00 , A61B5/308

3. 发明专利

CA3078755A1 SYSTEM FOR ADAPTIVE FILTERING OF CARDIAC SIGNALS 未知
公开(公告)号：CA3078755A1
公开(公告)日：2018-04-19
申请号：CA3078755
申请日：2017-10-13
申请人： CATHVISION APS
发明人： MATTHIESEN MADS EMIL , LARSEN SIGGE NEJST
IPC分类号： A61B5/308 , A61B5/00 , A61B5/296
摘要： System for filtering cardiac signals, the system comprising: a plurality of cardiac terminals (10a-d) adapted to collect cardiac electrophysiological potentials from a plurality of cardiac electrodes (1a-d) placed at respective cardiac locations in or on an individual (99) and a processor device (40) adapted to process one or more input signals which are based on the collected electrophysiological potential(s). The processing comprises running an adaptive filter algorithm on one or more signals based on the input signals, said adaptive filter algorithm being arranged to calculate one or more estimated noise component(s) of said one or more signals and being arranged to subtract said one or more estimated noise component(s) respectively from said one or more signals. In this way a cardiac signal is derived where the noise has been significantly reduced.

4. 发明专利

CA3078740A1 FILTERING DEVICE FOR RECORDING ELECTROPHYSIOLOGICAL SIGNALS 未知
公开(公告)号：CA3078740A1
公开(公告)日：2018-04-19
申请号：CA3078740
申请日：2017-10-13
申请人： CATHVISION APS
发明人： MATTHIESEN MADS EMIL , LARSEN SIGGE NEJST , SHADBOLT VICTOR , WODLINGER HAROLD
IPC分类号： A61B18/12 , A61B5/296 , A61B5/308 , A61B18/14
摘要： The present invention relates to a switchable filter device for use in a system for recording electro-physiological signals. The filter device comprises a plurality of recording channels, the recording channels comprising an ablation recording channel. Each recording channel has a patient side terminal at a patient interface and a corresponding recording side terminal at a recording device interface. Each recording channel comprises a first signal path with a first frequency dependent transmission characteristic having a first pass band, a second signal path with a second frequency dependent transmission characteristic different from the first frequency dependent transmission characteristic, the second frequency dependent transmission characteristic having a second pass band overlapping the first pass band, and switching devices operable to switch between the first signal path and the second signal path in response to a control signal indicative of a transient interference signal. Preferably, switching from the second signal path to the first signal path is performed with a switching delay after termination of the transient interference signal.

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