Testing body, particularly for verifying the penetration...

A - Human Necessities – 61 – L

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A61L 2/28 (2006.01) G01N 31/22 (2006.01)

Patent

CA 2520692

A testing body (1) that is provided for verifying the penetration properties of a sterilization agent has, with a compact design, a particularly high detection sensitivity and is thus particularly well-suited for use in the sterilization of minimally invasive surgical instruments that are known to be difficult to remove air therefrom thereby rendering the sterilization thereof problematic. For this purpose, the testing body (1) has a detector volume (24), which is provided for accommodating an indicator (26) and which can be connected to a sterilization chamber via a gas collecting space (4). According to the invention, the gas collecting space (4) has a multistage design, and the cross-section and the volume of each stage (14, 16) decrease between adjacent stages (14, 16) in the direction of the detector volume (24).

L'invention concerne un corps d'essai (1) prévu pour vérifier les propriétés de pénétration d'un agent de stérilisation, qui présente, pour une structure compacte, une sensibilité de détection particulièrement élevée et convient de ce fait pour être utilisé dans la stérilisation d'instruments de chirurgie à invasion minimale, qui sont connus comme étant difficiles à être placés dans des conditions de vide, ce qui rend leur stérilisation problématique. A cet effet, le corps d'essai (1) comprend un volume détecteur (24) prévu pour loger un indicateur (26), qui peut être relié à une chambre de stérilisation par l'intermédiaire d'une chambre collectrice de gaz (4). Selon l'invention, la chambre collectrice de gaz (4) est conçue avec plusieurs niveaux. La section transversale et le volume de chaque niveau (14, 16) diminuent entre des niveaux adjacents (14, 16) en direction du volume détecteur (24).

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