US 12,702,995 B2

摘要

A method for analysing a device for spraying a pharmaceutical fluid product, including providing a spray head for a device for spraying a pharmaceutical fluid product, the spray head having a spray orifice; providing a receiving surface having discrete contact zones separated by voids, the contact zones electrically conductive; passing a flow of ionised gas through the spray orifice, the flow of ionised gas being charged with electrons; sending the flow of ionised gas onto the receiving surface; visualising the impact zone for the flow of ionised gas on the receiving surface, and analysing the…

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