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At the heart of every inhaler testing system is the Pump. The Pharmacopoeias are careful to point out that “a vacuum pump with excess capacity must be selected in order to draw air at the designated volumetric flow rate” through the system and in the case of Dry Powder Inhalers, to generate sonic flow.
The hub of an inhaler testing system, the ITW is a modular workstation designed to aid handling and manipulation of the various pieces of test apparatus and accessories, improving workflow.
The ITW offers analysts the flexibility to pick and choose the attachments necessary for their test set-up needs. Simply connect the required attachments and start testing with greater ease.
The majority of nasal products are designed to generate droplets/particles with a mass median aerodynamic diameter (MMAD) of greater than 10 to 20 microns. This is to increase nasal deposition and minimise deposition in the lungs. However, most sprays deliver a proportion (typically <5%) of fine droplets in the <10 micron range. It is important to quantify this Fine Particle Dose (FPD) since it can penetrate beyond the nasal tract and into the lower respiratory tract or lungs, which may be undesirable. Cascade impactors are designed to capture particles in the range 0 to 10 microns and are widely used for this application.
Ensure a proper seal is maintained between the device under test and the sampling apparatus with our range of Mouthpiece and Nosepiece Adapters. Specially moulded from high quality silicone rubber to ensure superior performance, adapters are available for the more common devices on the market, or can be custom-made for your specific device type.
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