| 摘要 |
The invention concerns an instrument suited for cryogenic treatments, for the medical or paramedical field as well as for the cosmetic field, comprising a microapplicator having a bore on the order of 20 to 120 mum supplied with a gas stream wherein all the foreign particles above 3 mum and preferably above 1 mum are eliminated. The invention also concerns a microapplicator designed to be used in such an instrument provided with a filter housed in or on said microapplicator, so that each time the latter is replaced, the filter is also replaced.
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