A radiometric study of factors affecting drug output of jet nebulizers
نویسندگان
چکیده
منابع مشابه
A Radiometric Study of Factors Affecting Drug Output of Jet Nebulizers
Jet nebulizers show an unreasonable variation in drug output and nebulization rates that leads to clinical and regulatory problems. Current evaluation methods appear inadequate for the purpose. Our objective was to evaluate Technetium-99m radiometry to study nebulizer parameters and the factors influencing it quantitatively. Drug output, output rate and residual mass and the effect of excipient...
متن کاملDrug output of unvented jet nebulizers as a function of time.
Nebulizer drug output rate increases during the nebulization. For unvented jet nebulizers, a physical and mathematical model based on the efficiency of the nebulization process is presented for this phenomenon. Formulas are derived for the cumulative drug output and the drug output rate of the nebulization process. The model is compared with the model proposed by Coates et al. [J. Aerosol. Med....
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15 صفحه اولOutput characteristics of DeVilbiss No. 40 hand-held jet nebulizers.
DeVilbiss No. 40 hand-held nebulizers are widely used for quantifying airway responsiveness in large populations using pharmacological agents. We examined the aerosol characteristics of five nebulizers. Within each device, the aerosol output and droplet size were reasonably stable over a wide range of bulb pressures, although there were considerable differences in output characteristics between...
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ژورنال
عنوان ژورنال: Indian Journal of Pharmaceutical Sciences
سال: 2010
ISSN: 0250-474X
DOI: 10.4103/0250-474x.62234