DRY POWDER INHALER SYSTEM
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United States of America Patent
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Mar 9, 2015
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Mar 20, 2003
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Abstract
The present invention relates to a pharmaceutical composition for inhalation, consisting in a combination of (A) a dry powder formulation containing a micronized active ingredient, alone or mixed with an inactive ingredient, said powder being filled in a hydroxypropylmethylcellulose (HPMC) capsule and (B) a single dose dry powder inhaler device especially adapted to said capsule to provide a high respiratory dose of said active ingredient when said drug is inhaled by the mouth through said device. Said device being characterized in that he is equipped with piercing needles or pins (in order to pierce the capsule) of diameter of not less than 0.8 mm preferably not less than 1 mm.
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