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Device for spraying a reagent for fast microbiological analysis

A technology of microorganisms and reagents, applied in the fields of enzymology/microbiology devices, biochemical cleaning devices, microorganism measurement/inspection, etc.

Active Publication Date: 2010-09-29
MILLIPORE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Incubation period varies from one organism to another, but is generally at least 24 hours, longer for slow-growing organisms (such as mycobacteria) or because the organism has been stressed by environmental conditions

Method used

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  • Device for spraying a reagent for fast microbiological analysis
  • Device for spraying a reagent for fast microbiological analysis
  • Device for spraying a reagent for fast microbiological analysis

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0043] figure 1 and figure 2 The spraying device 1 shown comprises a liquid reservoir 2, a confinement bell 3, a spraying unit 4, a porous pad 5 and a retaining ring 6 ( figure 2 ).

[0044] The reservoir 2 is slidingly mounted relative to the cover 3 and comprises a body 10 and a cover 11 of plastic.

[0045] The body 10 has a first cylindrical portion 12 , a second cylindrical portion 13 , an annular collar 14 and two legs 15 .

[0046] The cylindrical portion 12 defines a housing 17 closed by a cap 11 for storing reagents.

[0047] The cylindrical portion 13 is located in line with the portion 12 on the opposite side of the cover 11 , and the outer diameter of the cylindrical portion 13 is smaller than that of the portion 12 .

[0048] A threaded portion 16 is formed near the opposite end of the cylindrical portion 13 to which the portion 12 is connected.

[0049] A collar 14 is connected transversely to the rest of the body at the junction of the cylindrical parts 1...

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PUM

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Abstract

The device for spraying a reagent onto a support (81) adapted to retain microorganisms on a predetermined surface (82), comprises a spraying bell (3) as well as a nozzle (71) for emitting a jet of droplets of the reagent into a spraying chamber (34) comprised by the bell (3), the device also comprising an absorbent pad (5) mounted against the bell (3) transversely to the jet and closing the chamber (34) from the opposite side to the nozzle (71) with the exception of a circular central opening (51) provided in the pad (5), the diameter of the central opening (51) being adapted to enable a portion of the jet, when the device faces the support (81) and is at a predetermined distance therefrom, to pass through the central opening (51) over its entire area and be deposited on the whole of the predetermined surface (82) of the support (81).

Description

technical field [0001] The present invention relates to spraying devices for rapid microbiological analysis. Background technique [0002] Currently, stringent standards must be complied with for checking the microbiological quality of liquids, gases or surfaces in the context of industrial and medical activities. [0003] With this in mind, industry personnel and health authorities should have at their disposal the tools to detect microbial contamination as quickly as possible so that it can be corrected promptly and cost-effectively. [0004] In fact, microbiological monitoring is done on a gel growth medium, where the microbes, after having been collected on a microporous membrane, are cultured until they are already visible to the naked eye. [0005] The incubation period varies from one microorganism to another, but is generally at least 24 hours, longer for slow growing microorganisms such as mycobacteria or because the microorganism has been stressed by environmental...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12M1/34B05B12/20
CPCG01N21/763B05B15/045C12Q1/24B05B12/20
Inventor C·尚恩B·迪凯A·哈吉拉F·奥利维耶里
Owner MILLIPORE CORP