DDU for Metered-Dose Inhalers (MDIs) & Breath-Actuated Inhalers (BAIs)

The DDU is the total mass of drug emitted from the inhaler and hence available to the patient. Testing for uniformity ensures that the patient will receive the correct quoted amount be it from a single or multi-dose inhalers for the lifetime of the device.

Based on an original design by Charles Thiel in 3M’s laboratories in Minneapolis, USA, the Dosage Unit Sampling Apparatus (DUSA) for Metered Dose Inhalers (MDIs) and Breath-Actuated Inhalers (BAIs) has been designed specifically for the sampling and testing of MDIs and Nasal Aerosols.

The DUSA for MDIs, BAIs and Nasal Aerosols consists of one collection tube, two rinsing caps, one filter support cap and one flow meter cap supplied in a handy carrying case.

Labour Saving Tools

Improve efficiency
Reduce variability
Eliminate handling errors
Increase testing capacity

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