Device for delivery of a substance

Details Device for delivery of a substance Device for delivery of a substance

A - Human Necessities

61

M

A61M 31/00 (2006.01)

Patent

CA 2672602

A device for delivering a substance in situ in a body comprising at least one permeable expandable container having a first dimension and a second dimension and having contained therein the substance to be delivered; and at least one expandable particle comprising a swellable material contained within the container and capable of expanding when contacted with a fluid; whereby when the device is positioned in situ, bodily fluid permeates the container causing the at least one expandable particle contained therein to swell and the container to expand from the first dimension to the second dimension so that the device remains in situ for a period of time sufficient to achieve the desired delivery of the substance is provided.

L'invention concerne un dispositif pour administrer une substance in situ dans un corps comprenant au moins un conteneur expansible, perméable, qui a une première dimension et une seconde dimension et dans lequel est contenue la substance devant être administrée; et au moins une particule expansible comprenant une matière gonflable contenue à l'intérieur du conteneur et capable de s'expanser une fois en contact avec un fluide, ce par quoi, lorsque le dispositif est positionné in situ, le fluide corporel passe à travers le conteneur, amenant la au moins une particule expansible contenue dans celui-ci à gonfler et le conteneur à s'expanser de la première dimension à la seconde dimension, de telle sorte que le dispositif reste in situ pendant une période de temps suffisante pour rééaliser l'administration désirée de la substance.

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