A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 5/055 (2006.01) A61B 19/00 (2006.01) G01R 33/28 (2006.01) A61B 17/00 (2006.01) A61B 18/14 (2006.01)
Patent
CA 2469188
A method and apparatus for-recanalizing a substantially totally occluded vessel (310) in a subject (100). An image of the substantially totally occluded vessel (310) is obtained using magnetic resonance. A recanalization device (330) is guided using the obtained image. The occlusion is recanalized with the recanalization device (330). In one embodiment, a magnetic resonance signal is received with at least one external antenna (160) located external to the body of the subject (100). A map image of the occluded vessel (310) is generated using the signal received by the external antenna (160). A magnetic resonance signal is received with an internal antenna (350) positioned within the body of the subject (100), proximate to the occluded vessel (310). The map image of the occluded vessel (310) is locally enhanced using the signal received by the internal antenna (350).
L'invention porte sur un procédé et un appareil de recanalisation de vaisseaux occlus (310) d'un patient (100). Dans ce but on obtient par résonance magnétique une image du vaisseau (310) presque totalement occlus. Le dispositif de recanalisation (330) est guidé l'aide de l'image obtenue, puis l'occlusion est recanalisée à l'aide du dispositif de recanalisation (330). Dans une exécution le signal de résonance magnétique est reçu par au moins une antenne (160) située à l'extérieur du corps du patient (100). On obtient une image du vaisseau occlus (310) à partir du signal reçu par l'antenne extérieure (160). Le signal de résonance magnétique est reçu par une antenne intérieure (350) placée dans le corps du patient (100), à proximité du vaisseau occlus (310). L'image du vaisseau occlus (310) est agrandie localement à partir du signal reçu par l'antenne intérieure (350).
Boston Scientific Limited
Marks & Clerk
Scimed Life Systems Inc.
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