Innovative nebuliser systems bear the potential to greatly improve and expand the administration of therapeutic aerosols for the treatment of respiratory diseases. Exploiting the technology of a microperforated vibrating membrane offers a close control of the droplet size that is being generated and targeted to reach the lower airways, with little oropharyngeal deposition, thereby reducing undesired side effects. The greatly improved efficiency of such devices, as exemplified by the eFlow nebuliser (PARI), provides further advantages for the patient. A high respirable fraction due to the precisely defined perforations, low residual losses and the high liquid output rate combine to produce a highly efficient and fast administration of inhaled medications. Portability, ease of handling and noiseless operation have a positive effect on patient compliance, control of the therapy by the physician and the therapy costs.

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