Simulation analysis and experimental study of positioning signals in thorax electric field catheter / 生物医学工程学杂志
Journal of Biomedical Engineering
;
(6): 234-238, 2013.
Artículo
en Chino
| WPRIM
| ID: wpr-234672
ABSTRACT
In order to enhance the position accuracy of ablation catheter in heart electrophysiology operation, signals of respiration and heartbeat must be removed for subsequent data processing. Based on locating principle of electrical field with low frequency, synchronous detector with MC1496 has been developed in this study. In the present research, several methods are utilized to optimize the circuit performance, such as coupling and stopping direct current, low-pass filtering, as well as limiting ripple voltage etc. Through simulation results, it showed that the demodulation performance of the circuit was fine. Through simulation platform of thorax electric field and animal experiment, the circuit feasibility were further proved good for extracting signals of respiration and heartbeat.
Texto completo:
Disponible
Índice:
WPRIM (Pacífico Occidental)
Asunto principal:
Fisiología
/
Fibrilación Atrial
/
Cirugía General
/
Tórax
/
Simulación por Computador
/
Procesamiento de Señales Asistido por Computador
/
Ablación por Catéter
/
Campos Electromagnéticos
/
Corazón
/
Métodos
Límite:
Humanos
Idioma:
Chino
Revista:
Journal of Biomedical Engineering
Año:
2013
Tipo del documento:
Artículo
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