Drug releasing elastomeric ligating band

Details Drug releasing elastomeric ligating band Drug releasing elastomeric ligating band

A - Human Necessities

61

L

A61L 31/16 (2006.01) A61B 17/12 (2006.01) A61L 31/12 (2006.01) A61L 31/14 (2006.01)

Patent

CA 2337853

A ligating band according to the present invention comprises an elastomeric layer and an inner drug releasing layer. The inner drug releasing layer includes a therapeutic agent, for example a chemotherapeutic agent for treating a mucosa, polyp or other growth. A ligating band according to the present invention also may include an inner diffusion barrier disposed between the elastomeric layer and the inner drug releasing layer, with the elastomeric layer and the inner drug releasing layer each contacting the inner diffusion barrier.

L'invention concerne une bande à ligaturer comprenant une couche élastique et une couche d'administration interne de médicaments. Cette dernière est constituée d'un agent thérapeutique, par exemple d'un agent chimiothérapeutique, destiné à traiter la muqueuse, la polype ou d'autres croissances. Cette bande peut aussi être formée d'une barrière de diffusion interne venant entre la couche élastomère et la couche interne d'administration de médicaments, les deux couches entrant en contact avec la barrière de diffusion interne.

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