Recanalizing occluded vessels using controlled antegrade and...

Details Recanalizing occluded vessels using controlled antegrade and... Recanalizing occluded vessels using controlled antegrade and...

A - Human Necessities

61

B

A61B 17/22 (2006.01) A61M 25/00 (2006.01) A61M 29/00 (2006.01) A61M 25/098 (2006.01)

Patent

CA 2641729

A method and systems for treating chronic total occlusions, particularly those that are difficult to treat, is disclosed. In this approach, recanalizing the CTO is achieved using a combined antegrade and retrograde approach. The proximal end of the occlusion is penetrated using an antegrade wire, using a traditional approach. Using collateral vessels, the distal end of the occlusion is crossed in a retrograde fashion and by appropriately maneuvering each member, a continuous channel is created. Additional elements such as capture devices, dilators and injection catheters are also disclosed.

La présente invention concerne un procédé et des systèmes destinés à traiter des occlusions chroniques totales (CTO), en particulier celles qui sont difficiles à traiter. Dans cette démarche, la recanalisation d'une CTO est réalisée en utilisant une démarche antérograde et rétrograde combinée. Un fil antérograde pénètre dans l'extrémité proximale de l'occlusion, avec une démarche traditionnelle. En utilisant les vaisseaux collatéraux, l'extrémité distale de l'occlusion est traversée de manière rétrograde et en manoeuvrant correctement chaque élément, un canal continu est créé. Des éléments supplémentaires tels que des dispositifs de capture, des dilatateurs et des cathéters à injection sont également décrits.

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