Dictionary of Allergies .. AeroChamber

AeroChamber.  An aerosol holding chamber. Permits easier metered-dose inhaler (MDI) therapy in children and the elderly. The device consists of an aerosol holding chamber with a soft, flexible mask that covers the patient's nose and mouth. A one-way valve holds the medication until the patient inhales. Expired air is vented through exhalation ports.

References

Nair A, Menzies D, Hopkinson P, McFarlane L, Lipworth BJ. In vivo comparison of the relative systemic bioavailability of fluticasone propionate from three anti-static spacers and a metered dose inhaler. Br J Clin Pharmacol. 2009 Feb;67(2):191-8. Epub 2009 Feb 9.