Portable biological testing device and method

Details Portable biological testing device and method Portable biological testing device and method

C - Chemistry, Metallurgy

12

M

C12M 1/34 (2006.01) B01L 99/00 (2010.01) C12M 1/00 (2006.01) C12Q 1/02 (2006.01)

Patent

CA 2660346

A device and method for providing portable biological testing capabilities free from biological contamination from an environment outside the device are provided. The device includes a portable housing. The device farther includes a volume surrounded by the housing and sealed against passage of biological materials between the volume and the environment outside the device. The device further includes a culture medium within the volume. The device further includes one or more ports configured to provide access to the volume while avoiding biological contamination of the volume. The device further includes a valve in fluidic communication with the volume and the environment. The valve has an open state in which the valve allows gas to flow from within the volume to the environment outside the device and a closed state in which the valve inhibits gas from flowing between the volume and the environment. The valve switches from the closed state to the open state in response to a pressure within the volume larger than a pressure of the environment outside the device.

L'invention concerne un dispositif et un procédé permettant d'apporter des possibilités d'essai biologique portatif sans contamination biologique provenant d'un environnement externe au dispositif. Le dispositif inclut un boîtier portatif. Le dispositif inclut en outre un volume entouré par le boîtier et fermé hermétiquement contre le passage de substances biologiques entre le volume et l'environnement externe au dispositif. Le dispositif inclut en outre un milieu de culture à l'intérieur du volume. Le dispositif inclut de plus un ou plusieurs orifices configurés pour donner accès au volume tout en évitant une contamination biologique du volume. Le dispositif inclut également une vanne en communication fluidique avec le volume et l'environnement. La vanne a une position ouverte dans laquelle la vanne permet l'écoulement de gaz depuis l'intérieur du volume vers l'environnement externe au dispositif et une position fermée dans laquelle la vanne empêche le gaz de s'écouler entre le volume et l'environnement. La vanne passe de la position fermée à la position ouverte en réponse à une pression présente à l'intérieur du volume plus importante qu'une pression de l'environnement externe au dispositif.

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