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- Q1334805 subject Q6155998.
- Q1334805 subject Q6809264.
- Q1334805 subject Q7149601.
- Q1334805 abstract "A dry-powder inhaler (DPI) is a device that delivers medication to the lungs in the form of a dry powder. DPIs are commonly used to treat respiratory diseases such as asthma, bronchitis, emphysema and COPD although DPIs have also been used in the treatment of diabetes mellitus.DPIs are an alternative to the aerosol based inhalers commonly called metered-dose inhaler (or MDI). The DPIs may require some procedure to allow a measured dose of powder to be ready for the patient to take. The medication is commonly held either in a capsule for manual loading or a proprietary from inside the inhaler. Once loaded or actuated, the operator puts the mouthpiece of the inhaler into their mouth and takes a sharp, deep inhalation (ensuring that the medication reaches the lower parts of the lungs), holding their breath for 5-10 seconds. There are a variety of such devices. The dose that can be delivered is typically less than a few tens of milligrams in a single breath since larger powder doses may lead to provocation of cough.Most DPIs rely on the force of patient inhalation to entrain powder from the device and subsequently break-up the powder into particles that are small enough to reach the lungs. For this reason, insufficient patient inhalation flow rates may lead to reduced dose delivery and incomplete deaggregation of the powder, leading to unsatisfactory device performance. Thus, most DPIs have a minimum inspiratory effort that is needed for proper use and it is for this reason that such DPIs are normally used only in older children and adults.".
- Q1334805 wikiPageExternalLink ucm070573.pdf.
- Q1334805 wikiPageExternalLink 406144_2.
- Q1334805 wikiPageWikiLink Q12206.
- Q1334805 wikiPageWikiLink Q127900.
- Q1334805 wikiPageWikiLink Q1394363.
- Q1334805 wikiPageWikiLink Q16897784.
- Q1334805 wikiPageWikiLink Q173022.
- Q1334805 wikiPageWikiLink Q199804.
- Q1334805 wikiPageWikiLink Q219223.
- Q1334805 wikiPageWikiLink Q2281580.
- Q1334805 wikiPageWikiLink Q3286546.
- Q1334805 wikiPageWikiLink Q35805.
- Q1334805 wikiPageWikiLink Q35869.
- Q1334805 wikiPageWikiLink Q6155998.
- Q1334805 wikiPageWikiLink Q6809264.
- Q1334805 wikiPageWikiLink Q7149601.
- Q1334805 comment "A dry-powder inhaler (DPI) is a device that delivers medication to the lungs in the form of a dry powder. DPIs are commonly used to treat respiratory diseases such as asthma, bronchitis, emphysema and COPD although DPIs have also been used in the treatment of diabetes mellitus.DPIs are an alternative to the aerosol based inhalers commonly called metered-dose inhaler (or MDI). The DPIs may require some procedure to allow a measured dose of powder to be ready for the patient to take.".
- Q1334805 label "Dry-powder inhaler".