Image-guided thoracic therapy and apparatus therefor

A - Human Necessities – 61 – B

Patent

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A61B 5/00 (2006.01) A61B 1/00 (2006.01) A61B 5/08 (2006.01)

Patent

CA 2252825

A probe such as an endoscope equipped with a biopsy needle is guided to a target in or adjacent to the respiratory system. The position of the probe is monitored. A representation of the probe is superimposed on a previously acquired image of the respiratory system and adjacent tissues. Artifacts caused by motion due to respiration are suppressed by monitoring the respiratory state of the patient, and acquiring the probe position when the respiratory state of the patient is equal to the respiratory state of the patient during image capture.

L'invention concerne une sonde, tel un endoscope, équipée d'une aiguille à ponction-biopsie, qui est guidée vers une cible située dans le système respiratoire ou de façon adjacente à celui-ci. La position de la sonde est surveillée. Une représentation de la sonde est superposée à une image du système respiratoire et des tissus adjacents acquise précédemment. Des artéfacts provoqués par des mouvements dus à la respiration sont supprimés par une surveillance de l'état respiratoire du patient, et un enregistrement de la position de la sonde au moment où l'état respiratoire du patient est égal à l'état respiratoire du patient au cours de l'acquisition de l'image.

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