Systems and methods for locating and guiding operative...

Details Systems and methods for locating and guiding operative... Systems and methods for locating and guiding operative...

A - Human Necessities

61

B

A61B 5/06 (2006.01) A61B 5/042 (2006.01) A61B 19/00 (2006.01) A61B 17/00 (2006.01) A61B 18/00 (2006.01)

Patent

CA 2270918

This invention concerns systems and methods for locating an operative element (12) within an interior body space use a locating probe (14), which includes at least one transmitting element to transmit an electric waveform output within at least a portion of the space. The systems and methods also use a sensing element (16) which is adapted to be carried by the operative element to sense a local electric waveform within the space. A processing element coupled to the sensing element generates a processed output that locates the sensing element relative to the locating probe based, at least in part, upon a differential comparison of the waveform output and the sensed local waveform.

L'invention concerne des systèmes et des procédés pour localiser un élément fonctionnel (12) dans un espace interne du corps, au moyen d'une sonde de localisation (14) comportant au moins un élément émetteur servant à émettre un signal électrique à l'intérieur d'au moins une partie dudit espace. Ces systèmes et procédés ont également recours à un élément détecteur (16) conçu pour être porté par l'élément fonctionnel afin de détecter un signal électrique local dans ledit espace. Un élément de traitement couplé à l'élément détecteur produit un signal de sortie traité qui localise l'élément détecteur par rapport à la sonde de localisation, sur la base, au moins en partie, d'une comparaison différentielle entre le signal émis et le signal local détecté.

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