Devices and methods for removing a matter from a body cavity...

Details Devices and methods for removing a matter from a body cavity... Devices and methods for removing a matter from a body cavity...

A - Human Necessities

61

B

A61B 17/22 (2006.01)

Patent

CA 2561216

Disclosed are devices for removing a matter from a body cavity of a patient. One of such devices has an elongated carrier having a distal portion adapted to move through or within the cavity and a proximate portion. A radially expandable polymer is circumferentially attached to the distal portion of the carrier and adapted to enter the matter while in a compressed configuration and capable of transitioning to an expanded configuration while inside the matter to penetrate and engage it from within. Methods of removing a matter from a body cavity and methods of localized delivery of a therapeutic agents also are disclosed.

L'invention concerne des dispositifs permettant d'extraire une matière d'une cavité corporelle d'un patient. Un de ces dispositifs comporte un support allongé présentant une partie distale conçue pour être déplacée à travers ou dans la cavité, et une partie proximale. Un polymère expansible radialement, fixé par son pourtour à la partie distale du support, est conçu pour pénétrer à l'état comprimé dans la matière, et passer à un état d'expansion pendant qu'il se trouve à l'intérieur de ladite matière afin de pénétrer dans celle-ci et d'assurer une prise depuis l'intérieur. L'invention concerne aussi des procédés permettant d'extraire une matière d'une cavité corporelle et des procédés d'apport localisé d'agents thérapeutiques.

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