Device and method for intra-bronchial provision of a...

A - Human Necessities – 61 – M

Patent

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Details

A61M 31/00 (2006.01) A61M 16/00 (2006.01) A61M 25/04 (2006.01) A61M 25/00 (2006.01) A61N 5/10 (2006.01)

Patent

CA 2476513

The present invention includes an intra-bronchial device, system, and method for providing a therapeutic agent to a patient. A device includes a flow control member for placement in an air passageway communicating with a lung portion, and when deployed in the air passageway inhibits a therapeutic agent distal of the control member from moving proximal of the control member, and includes the therapeutic agent associated with the flow control member. The control member may inhibit movement of the therapeutic agent by limiting airflow, and may include a one-way valve limiting exhalation of air from the lung portion. The control member may include a flexible membrane impervious to air flow, or a separator arranged to inhibit the movement of the therapeutic agent. The control member may include at least one anchor, and the anchor may be releasable from the air passageway for removal of the intra-bronchial device.

L'invention concerne un dispositif, un procédé et un système d'instillation intrabronchique d'un agent thérapeutique. Un dispositif comprend un élément de commande d'écoulement destiné à être positionné dans un conduit d'air communicant avec une partie de poumon, qui, après déploiement dans le conduit d'air empêche un agent thérapeutique en position distale par rapport à l'élément de commande de passer en position proximale par rapport à cet élément, et contenant l'agent thérapeutique associé à l'élément de commande d'écoulement. L'élément de commande peut empêcher le déplacement de l'agent thérapeutique en limitant l'écoulement d'air, et peut comporter un clapet antiretour limitant l'expiration d'air de la partie de poumon. L'élément de commande peut comprendre une membrane souple imperméable à l'air, ou un séparateur agencé afin d'empêcher le déplacement de l'agent thérapeutique. L'élément de commande peut aussi comporter au moins un ancrage, cet ancrage pouvant être libéré du conduit d'air aux fins d'enlèvement du dispositif intrabronchique.

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