Vorrichtung zur Ortsbestimmung von endokardialen Elektroden

摘要

A device for locating an electrode (1) used in endocardial treatment comprises: further electrode means (2 to 4) which can be positioned inside the heart together with the electrode (1), the further electrode means (2 to 4) being able to adopt a geometrical arrangement defining a system of spatial coordinates, polarization means (13) for applying respective electrical signals to at least one of the electrode (1) and the further electrode means (2 to 4), detector means (5 to 8) connected to the electrode (1) and to the further electrode means (2 to 4) for detecting the potential established between the electrode (1) and the further electrode means (2 o 4) as a result of the application of the electrical signals, and measuring means (9, 10, 14 to 16) sensitive to the potential and capable of determining, on the basis of the potential, the position of the electrode (1) relative to the system of spatial coordinates defined by the further electrode means (2 to 4).