Methods for inoculating culture media on petri dishes by means of vibration frequencies

A technology of petri and Petri dishes, applied in the field of microbiology, can solve the problems of cost overflow and complexity

Active Publication Date: 2014-04-30
BIOMERIEUX SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main disadvantage of the invention described in patent document DE19631997 is its relative complexity compared to standard Petri dishes, which are supposed to be extremely simple
This necessarily results in a considerable cost spillover during the production of this product

Method used

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  • Methods for inoculating culture media on petri dishes by means of vibration frequencies
  • Methods for inoculating culture media on petri dishes by means of vibration frequencies
  • Methods for inoculating culture media on petri dishes by means of vibration frequencies

Examples

Experimental program
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Embodiment Construction

[0040] A first embodiment 10 of a Petri dish according to the invention is shown in Figure 1A and 1B stereogram on and in Figure 2A Longitudinal section view in .

[0041] The Petri dish 10 consists of a lid 12 and a bottom 14 . These two parts are traditionally made of a transparent polymer material such as polystyrene. In a non-limiting manner, the Petri dish 10 is in this case shown in its standard form, ie cylindrical with a circular base. The lid 12 of the Petri dish 10 has a through hole 16 in its center. The through opening 16 is in this case closed by a membrane 18 . The membrane must be made of a material that enables it to be pierced. In a preferred embodiment, the membrane 16 is an elastic membrane of the membrane type which can be pierced with a suitable tool and which can also be closed again. Such spacers are well known and widely used in the medical field. if possible in Figure 2A As seen in , the Petri dish furthermore contains a layer of agar medium...

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Abstract

The present invention relates to a method for inoculating at least one agar culture medium, contained in a Petri dish, with at least one sample likely to contain microorganisms, said method comprising the steps of: a) providing at least one agar culture medium contained in a Petri dish; b) providing the sample likely to contain microorganisms in liquid form; c) performing at least one deposition of the liquid sample onto the lid of the Petri dish such that said liquid sample can be transferred from the lid to the agar culture medium; and d) spraying the liquid sample, initially deposited on the cover, onto the agar culture medium by vibrating the Petri dish.

Description

technical field [0001] The technical field of the invention is microbiology. More specifically, the invention relates to a method for inoculating a culture medium contained in a Petri dish with a sample by means of a vibration frequency. The invention also relates to a Petri dish making it possible to carry out the method. Background technique [0002] In the field of clinical diagnostics as well as microbiological testing of industrial food processing, pharmaceuticals or cosmetics, agar media in petri dishes have been constituted over the past decades for the detection and identification of microorganisms (and optionally pathogenic ones). ) is an important tool. [0003] Inoculation of such media is traditionally performed manually with an inoculation tool, which is a disposable plastic ring, or a platinum ring for which heating for the purpose of sterilization between uses is necessary. Inoculation can also be performed using disposable pipettes. [0004] Inoculation c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12M1/22C12Q1/24
CPCC12M33/08C12M23/38C12Q1/24C12M23/10
Inventor B·科兰M-P·蒙泰
Owner BIOMERIEUX SA
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