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<img src="uploads/1eceedf6737faa97b61e9d1db02a0c14/bulle3.JPG" width="200" />
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</div>
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Go to <p> &mu </p>:
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Go to :
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* [System overview](System overview)
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* [System production](System production)
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* Electronic devices;
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* Medicial standards adapted piping.
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Validation of the idea has been made with an experiment representing a severe risk of contamination: an open nebulizer has thus been used as particles generator. The Cirrus 2 (Intersurgical(c), France) nebulizer was issued by a 9 L/min oxygen flow. Particles count, at 1m far from the patient, has been done thanks to an industrial laser counter usually used in white rooms with a particle size sensitivity from 0.3 to 25 mirocm (Lasair III, Particle Measuring Systems(c), CO, USA). Particles diffusion and filtration has been clearly observed.
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<p>
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Validation of the idea has been made with an experiment representing a severe risk of contamination: an open nebulizer has thus been used as particles generator. The Cirrus 2 (Intersurgical ©, France) nebulizer was issued by a 9 L/min oxygen flow. Particles count, at 1m far from the patient, has been done thanks to an industrial laser counter usually used in white rooms with a particle size sensitivity from 0.3 to 25 μm (Lasair III, Particle Measuring Systems ©, CO, USA). Particles diffusion and filtration has been clearly observed.
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</p>
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<div align="center">
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![EN_preliminary_particles_graph](uploads/7e72fd45ffe52dd6218d263672f460c5/EN_preliminary_particles_graph.png)
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