Bioabsorbable drug delivery devices

A - Human Necessities – 61 – L

Patent

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Details

A61L 31/10 (2006.01) A61L 31/14 (2006.01) A61L 31/16 (2006.01)

Patent

CA 2636303

A bioabsorbable drug delivery device and various methods of making the same. The devices are preferably formed from bioabsorbable materials using low temperature fabrication processes, whereby drugs or other bio-active agents are incorporated into or onto the device and degradation of the drugs or other agents during processing is minimized. Radiopaque markers may also be incorporated into, or onto, the devices. The devices may be generally tubular helical stents comprised of a solid ladder or an open lattice configuration, or a hybrid combination thereof. The tubular helical stents are generally formed from precursor fibers, films or tubes.

L'invention concerne un dispositif d'administration de médicament bioabsorbable et divers procédés de fabrication correspondants. Ces dispositifs sont de préférence formés à partir de matériaux bioabsorbables utilisant des processus de fabrication basse température, dans lesquels des médicaments ou d'autres agents bio-actifs sont introduits dans ou sur le dispositif, la dégradation des médicaments ou des autres agents étant minimisée durant le traitement. Des marqueurs radio-opaques peuvent également être incorporés dans, ou sur, les dispositifs. Ces dispositifs consistent généralement en des stents hélicaux tubulaires comportant une configuration d'échelle solide ou de réseau ouvert, ou une combinaison hybride de celles-ci. Les stents hélicaux tubulaires sont généralement formés par des fibres, des films ou des tubes de précurseur.

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