Post-discharge plasma sterilisation device and method

Details Post-discharge plasma sterilisation device and method Post-discharge plasma sterilisation device and method

A - Human Necessities

61

L

A61L 2/14 (2006.01)

Patent

CA 2530489

The invention relates to a device which is used for the sterilisation of objects (19), in particular medical or surgical instruments. The inventive device is of the type that can create a gaseous plasma from a gas flow which is subjected to en electric field. According to the invention, the resulting post-discharge flow is brought into contact with the surface of the objects to be treated. The device is characterised in that the gas flow comprises exclusively nitrogen. Moreover, the device comprises means for heating the aforementioned objects, which can heat said objects to a temperature of at least 60 ?·¿C during treatment. The invention also relates to a method of using the device.

La présente invention concerne un dispositif de stérilisation d'objets (19), notamment d'instruments médicaux ou chirurgicaux, du type apte à créer à partir d'un flux gazeux soumis à un champ électrique un plasma gazeux dont le flux de post-décharge qui en est issu est mis en contact avec la surface des objets à traiter. Ce dispositif est caractérisé en ce que le flux gazeux est exclusivement constitué d'azote, et il comprend des moyens de chauffage desdits objets aptes à porter ces derniers, en cours de traitement, à une température d'au moins 60~C. La présente invention concerne également un procédé de mise en .oelig.uvre de ce dispositif.

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