Method and apparatus for inactivating contaminants in...

Details Method and apparatus for inactivating contaminants in... Method and apparatus for inactivating contaminants in...

A - Human Necessities

61

L

A61L 2/08 (2006.01) C12N 7/04 (2006.01)

Patent

CA 2242966

Apparatus and methods for treating a biological fluid with light and for inactivating contaminants in biological fluid. The biological fluid is contacted with a light source (24) providing a high intensity light to the biological fluid. The biological fluid may include a quantity of a photochemical agent that, when activated by light, is operable to cause inactivation of at least some of the contaminants. The apparatus includes a light box (10), including a retractable shutter assembly (26) that encloses the light source (24). The shutter assembly (26) includes a cylindrical tube (41) that, when raised, shields the light source (24). In addition, cylindrical tube (28), attached to platform (36) of base assembly (22), encloses the light source (24) and the shutter assembly (26).

L'invention a trait à un appareil et aux procédés correspondants permettant de traiter par la lumière un liquide biologique et d'inactiver des contaminants présents dans ce liquide. On met le liquide biologique en contact avec une source lumineuse (24) soumettant ainsi ce liquide à une lumière de très forte intensité. Ce liquide biologique peut comporter une certaine quantité d'un agent photochimique qui, une fois excité par la lumière, est en mesure d'inactiver au moins certains contaminants. L'appareil comporte un compartiment à lumière (10), comprenant un ensemble obturateur rétractable (26) ceinturant la source lumineuse (24). Cet ensemble obturateur (26) comporte un tube cylindrique (41) qui, une fois relevé, fait office d'écran placé devant la source lumineuse (24). Cette source lumineuse (24) et l'ensemble obturateur (26) sont, de surcroît, enfermés dans un tube cylindrique (28), rattaché à la plate-forme (36) de l'ensemble constituant la base (22).

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