Directional delivery of energy and bioactives

Details Directional delivery of energy and bioactives Directional delivery of energy and bioactives

A - Human Necessities

61

N

A61N 1/30 (2006.01)

Patent

CA 2761669

Systems and methods are disclosed for the treatment of a target tissue by directionally delivering energy and/or bioactive materials to achieve a therapeutic effect. A balloon catheter system having a balloon portion and a plurality of electrodes may be energized to selectively deliver energy, bioactive materials, or a combination thereof to target tissue including tissues disposed about a lumen. The tissue may be targeted by applying energy, making tissue impedance analysis, and further selectively energizing electrodes through the use of an energy source with a controller.

L'invention porte sur des systèmes et des procédés pour le traitement d'un tissu cible par application directionnelle d'énergie et/ou de substances bioactives pour obtenir un effet thérapeutique. Un système de cathéter à ballonnet ayant une partie ballonnet et une pluralité d'électrodes peut être excité pour appliquer sélectivement de l'énergie, des susbtances bioactives, ou une combinaison de celles-ci, sur un tissu cible tel que des tissus entourant une lumière. Le tissu peut être ciblé par application d'énergie, par analyse d'impédance et, en outre, par excitation sélective des électrodes à l'aide d'une source d'énergie associée à un dispositif de commande.

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