STANDARD. ISO. Second edition. Sterilization of medical devices —. Microbiological methods —. Part 2: Tests of sterility performed in the. ISO. /(R) Sterilization of medical devices – Microbiological methods – Part 2: Tests of sterility performed in the definition, validation and. BS EN ISO Sterilization of medical devices – Microbiological methods Part 2: Tests of sterility performed in the definition, validation and maintenance of .
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May Replaced By: A sterile product is one which is free of viable microorganisms.
The International Standards for sterilization of medical devices require, when it is necessary to supply a sterile product item, that adventitious microbiological contamination of a medical device from all sources be minimized by all practical means.
Even so, product items produced under standard manufacturing conditions in accordance with the requirements for quality systems for medical devices may, prior to sterilization, have microorganisms on them, albeit in low numbers. Such product items are non-sterile. The purpose of sterilization processing is to inactivate the microbiological contaminants and thereby transform the non-sterile items into sterile ones.
For a given treatment, the probability of survival is determined by the number and resistance of microorganisms and by the environment in which the iiso exist during treatment.
It follows that the sterility of any one item in a population of items subjected to sterilization processing cannot be guaranteed, and the sterility of the processed population of items has to be defined in terms of the probability of the existence of a non-sterile item in that population.
The ISO series of standards designates certain processes used in manufacture as ‘special’ if the results cannot be fully verified by subsequent inspection and testing of the product.
BS EN ISO 11737-2:2000
Sterilization is an example of a special process because process efficacy cannot be 11737-2 by inspection and testing of the product. For this reason, sterilization processes have to be validated before use, the performance of the process monitored routinely and the equipment maintained. International Standards specifying procedures for the validation and routine control of the processes used for sterilization of medical devices have been prepared. An element of this validation may consist of exposing medical devices to the sterilizing agent when the extent of treatment has been reduced relative to that which will 1137-2 used in routine processing in order to provide a knowledge of the resistance to the agent of the microbial contamination as it occurs naturally on medical devices.
Subsequent to this exposure, medical devices are subjected individually to tests of sterility as described in this part of BS Isoo ISO An example of the use of such a test is in establishing a sterilizing dose for sterilization by radiation and for demonstrating the continued validity of this sterilization dose. 11737–2
It includes guidance on the techniques used and on practical aspects of the requirements. It specifies the general criteria for tests of sterility on medical devices which have been exposed to a treatment with the sterilizing agent that is a fraction of the specified sterilization process.
These tests are intended to be performed when validating a sterilization process.
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Overview Product Details A sterile product is one which is free of viable microorganisms. Essais de sterilite pratiques en cours de validation d’un procede de sterilisation Title in German Sterilisation von Medizinprodukten. Your basket is empty. Take the smart route to manage medical device compliance. Moist heat Requirements for the development, validation and routine control of a sterilization process for medical devices.
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BS EN ISO 11737-2:2009
Sterile equipment, Sterilization hygieneMedical equipment, Microbiological analysis, Process control, Iao testing, Biological analysis and testing, Microbiology, Assessed reliability, Test equipment, Samples, Specimen preparation. Sterilisation des dispositifs medicaux. Essais de sterilite pratiques en cours de validation d’un procede de sterilisation. Sterilitaetspruefungen bei der Validierung eines Sterilisationsverfahrens.