Method and device for permanent vessel occlusion

A - Human Necessities – 61 – B

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A61B 17/12 (2006.01) A61B 18/14 (2006.01)

Patent

CA 2222611

Body lumens such as blood vessels are selectively occluded by mechanically collapsing the blood vessel and subsequently applying energy or other occlusive conditions within or adjacent the collapsed region. For example, vessel collapsing mechanisms can include spreadable opposed elements (24), reciprocating jaw mechanisms having penetrating elements (112), and devices for applying negative pressure (154) to collapse the blood vessel. One or more electrodes (112) can be used in a monopolar or bipolar fashion to apply radiofrequency or other energy to the body lumen in the region where it has been collapsed.

L'invention se rapporte à l'occlusion sélective de lumière du corps tels que les vaisseaux sanguins, selon un procédé d'affaissement mécanique des vaisseaux et, ensuite, d'application d'énergie ou de tout autre moyen occlusif dans la région affaissée ou à l'intérieur d'une zone adjacente à cette région. Par exemple, on peut citer parmi les dispositifs de mise à plat des vaisseaux, les éléments opposés extensibles (24), les mécanismes à mâchoire à va-et-vient dotés d'éléments de pénétration (112), et les dispositifs permettant d'appliquer une pression négative (154) pour affaisser un vaisseau sanguin. On peut utiliser une ou plusieurs électrodes (112) en mode monopolaire ou bipolaire afin d'appliquer une radiofréquence ou tout autre source d'énergie à la lumière du corps considérée, dans la région où celle-ci a été affaissée.

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