A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 17/22 (2006.01) A61B 17/221 (2006.01) A61M 25/09 (2006.01) A61M 29/00 (2006.01)
Patent
CA 2722486
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.
L'invention porte sur un procédé et sur des systèmes pour traiter des occlusions totales chroniques, en particulier celles qui sont difficiles à traiter. Dans cette approche, une recanalisation de l'occlusion totale chronique (CTO) est obtenue à l'aide d'une approche antégrade et rétrograde combinée. L'extrémité proximale de l'occlusion est pénétrée à l'aide d'un fil antérograde, à l'aide d'une approche traditionnelle. A l'aide de vaisseaux collatéraux, l'extrémité distale de l'occlusion est traversée de façon rétrograde et en manoeuvrant de manière appropriée chaque élément, un canal continu est créé. L'invention porte également sur des éléments supplémentaires tels que des dispositifs de capture, des dilatateurs et des cathéters d'injection.
Katoh Osamu
Ogata Wayne
Fasken Martineau Dumoulin Llp
Retro Vascular Inc.
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