A - Human Necessities – 61 – L
Patent
A - Human Necessities
61
L
A61L 29/00 (2006.01) A61L 29/06 (2006.01) A61L 29/08 (2006.01) A61L 29/16 (2006.01) A61M 25/00 (2006.01) A61M 39/16 (2006.01)
Patent
CA 2223578
The present invention relates generally to indwelling medical devices. In particular, there is provided a device constructed from permeable or impermeable material having a pharmacologically active agent (7) or ingredient layer (3, 10) surrounding the device, and a sheath (2, 11) which is permeable to the pharmacologically active agent or ingredient. This construction provides a device that allows the pharmacologically active agent or ingredient located between the catheter tube (1) and the sheath (2) to slowly diffuse through the sheath and/or inner tube (4), thus inhibiting microbial infection on the outer surface and lumen of the catheter (5, 13).
L'invention concerne généralement des dispositifs médicaux à demeure, et en particulier un dispositif fabriqué dans une matière perméable ou imperméable comprenant un agent pharmacologiquement actif (7) ou une couche de principe actif (3)(10) entourant le dispositif, et une gaine (2)(11) perméable à l'agent pharmacologiquement actif ou au principe actif. Ainsi, on produit un dispositif permettant à l'agent pharmacologiquement actif ou au principe actif situé entre le tube (1) de cathéter et la gaine (2) de se diffuser lentement à travers la gaine et/ou le tube interne (4), et d'inhiber toute infection microbienne sur la surface externe et dans la lumière du cathéter (5)(13).
Raad Issam
Tcholakian Robert
Board Of Regents The University Of Texas System
Cook Incorporated
Smart & Biggar
LandOfFree
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