Method of sterilization in diffusion-restricted environments

Details Method of sterilization in diffusion-restricted environments Method of sterilization in diffusion-restricted environments

A - Human Necessities

61

L

A61L 2/20 (2006.01) A61L 2/14 (2006.01) A61L 2/16 (2006.01)

Patent

CA 2251153

Methods for peroxide vapor sterilization of medical devices and similar instruments having long narrow lumens or diffusion restricted areas includes the step of contacting the article to be sterilized or a diffusion-restricted environment containing said article with a source of peroxide prior to exposure to a vacuum or a vacuum followed by plasma. The methods are such that, upon vaporization of the source of peroxide caused by the vacuum, the peroxide remains in contact with the article for a time sufficient to achieve sterilization.

L'invention concerne des procédés pour stériliser à la vapeur peroxydée des dispositifs médicaux et des instruments similaires présentant de long conduits étroits ou des régions à diffusion limitée. Ces procédés consistent à mettre en contact l'article à stériliser ou un milieu à diffusion limitée contenant ledit article, avec une source de peroxyde avant exposition à un vide ou à un vide suivi de plasma. Ces procédés sont tels que, lors de la vaporisation de la source de peroxyde provoquée par le vide, le peroxyde demeure en contact avec l'article pendant une durée suffisante pour réaliser la stérilisation.

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