Apparatus and kits for locking and disinfecting implanted...

A - Human Necessities – 61 – L

Patent

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Details

A61L 31/16 (2006.01) A61L 2/18 (2006.01) A61L 9/00 (2006.01) A61L 33/04 (2006.01)

Patent

CA 2414481

Implanted catheters are locked with a solution comprising a lower alcohol, typically ethanol, propanol, or butanol, most preferably isopropanol, and an additive, the additive comprising an anti-microbial, typically taurolidine or triclosan, or an anti-coagulant, typically riboflavin, sodium citrate, ethylene diamine tetraacetic acid, or citric acid. The use of an alcohol and additive solution can effectively reduce fouling of the catheter, particularly clotting and thrombus in intravascular catheters, as well as reduce the risk of infection. The risk of infection can be further reduced by employing a catheter body (10) which is sufficiently porous to permit the anti-microbial solution of a lower alcohol and another anti-microbial or anti-coagulant compound to penetrate into the catheter body (10) and preferably through the catheter (10) into tissue surrounding the implanted catheter (10).

L'invention concerne des cathéters implantés verrouillés au moyen d'une solution comprenant un alcool inférieur, généralement de l'éthanol, du propanol ou du butanol, de préférence, de l'isopropanol, et un additif, cet additif comprenant un produit antimicrobien, généralement du taurolidine ou du triclosan, ou un anticoagulant, généralement de la riboflavine, du citrate de sodium, de l'acide éthylènediaminetétracétique ou de l'acide citrique. L'utilisation d'une solution à base d'alcool ou d'additif peut réduire de façon efficace les salissures du cathéter, notamment la coagulation et le thrombus dans des cathéters intravasculaires, ainsi que le risque d'infection. Ce risque d'infection peut être réduit davantage encore par l'utilisation d'un corps de cathéter (10) suffisamment poreux pour permettre à la solution antimicrobienne à base d'alcool inférieur et d'un autre composé antimicrobien ou anticoagulant de pénétrer dans le corps du cathéter (10) et, de préférence, à travers le cathéter (10) dans les tissus environnants le cathéter implanté (10).

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