Inhaler Testing Improving IVIVCs Cold Freon® Effect

Cold Freon® Effect

The Cold Freon® effect is the inadvertent reaction to the chilling sensation that hits the back of the throat following actuation of usually MDIs or Nasal devices. Caused by impaction of the delivered dose and the rapid evaporation of any remaining propellant, the “cold Freon®” effect strongly influences the efficiency of drug delivery. It may, for example, cause the patient to abort or be unsuccessful in completing the inhalation manoeuvre.

Spray Force Tester: SFT 1000

Plume Temperature Tester: PTT 1000

Spray Force Tester: SFT 1000

Plume Temperature Tester: PTT 1000

Spray Force Tester Model SFT 1000

The Spray Force Tester Model SFT 1000 is a high precision instrument for measuring the maximum impaction force of MDIs and nasal sprays over the duration of the spray plume.

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Cold Freon® Effect

Spray Force Tester Model SFT 1000

Related Services

Training

Servicing

Support

Related News & Resources

Measuring the ‘cold freon’ effect – Copley Scientific’s new PTT 1000 takes the temperature of inhaled aerosols