Microbial sampler and concentrator

C - Chemistry – Metallurgy – 12 – M

Patent

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Details

C12M 1/26 (2006.01) B01D 29/00 (2006.01) C12Q 1/24 (2006.01)

Patent

CA 2293339

A microbial, sampling, filtration and recovery device (10) which utilizes a wash solution on meat carcasses and a vacuum source to vacuum the wash solution and suspended microbes into a collection device. The device (10) includes pre-filters (24 and 26) for removing debris, and a microbial filter (42). The size of the microbial filter (42) seriously reduces air flow, an alternate route for air is provided through a hydrophobic filter (36). Bacteria captured in the filter is backflushed into a collection vessel, where it is concentrated in a subsequent centrifuge step. The concentrated microbial sample is available for use in rapid detection methods.

L'invention concerne un dispositif (10) d'échantillonnage, de filtration et de récupération d'agents microbiens, qui applique une solution de lavage aux carcasses d'animaux avant d'activer un système d'aspiration qui aspire la solution de lavage et les microbes en suspension dans cette solution et envoie ladite solution dans un dispositif collecteur. Le dispositif (10) comporte un système de préfiltration (24 et 26) pour éliminer les débris, et un filtre microbien (42). De par sa taille, le filtre microbien (42) réduit considérablement l'écoulement d'air, et un chemin de substitution est fourni pour l'air via un filtre hydrophobe (36). Les bactéries capturées dans le filtre sont renvoyées en circulation inverse dans un récipient de collecte, où on les soumet ensuite à une concentration centrifuge. On dispose alors d'un échantillon microbien concentré destiné à être utilisé dans des procédés de détection rapide.

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