Methods and apparatus for disinfecting subcutaneously...

A - Human Necessities – 61 – L

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A61L 2/18 (2006.01) A61M 5/14 (2006.01) A61M 25/01 (2006.01) A61M 25/14 (2006.01) A61M 39/02 (2006.01) A61N 1/372 (2006.01) A61M 39/16 (2006.01)

Patent

CA 2317522

Implanted ports (10), and other devices are disinfected by the injection of an antimicrobial agent into a region in the device or in a tissue pocket surrounding the device. In a first embodiment, the antimicrobial agent is injected through an aperture (12) in the device to flush internal regions of the device before infusing the tissue pocket, and flushing outwardly through a tissue tract leading to the device. In other embodiments, the antimicrobial agent is injected directly to a target site on the exterior of the device. Implanted devices may include special, usually hardened, target regions for receiving the sharpened end of a needle used to inject the antimicrobial agent. Kits will include devices, syringes, access devices, and instructions for disinfecting according to the methods of the present invention.

L'invention concerne la désinfection de chambres implantées (10) et autres dispositifs implantés, par l'injection d'un antimicrobien dans une zone du dispositif ou dans une poche de tissu autour du dispositif. Selon une variante, l'antimicrobien est injecté via une ouverture (12) dans le dispositif, de manière à rincer les parties internes du dispositif avant de perfuser la poche de tissu, avec rinçage vers l'extérieur via une voie de tissu conduisant au dispositif. Selon d'autres variantes, l'antimicrobien est injecté directement sur un site cible à l'extérieur du dispositif. Les dispositifs implantés peuvent comporter des zones cibles spéciales, généralement durcies, qui permettent de recevoir l'extrémité pointue d'une aiguille utilisée pour injecter l'antimicrobien. Les kits comprennent à la fois des dispositifs, des seringues, des dispositifs d'injection et des instructions relatives à la désinfection suivant les procédés décrits.

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