Harvard School of Public Health
Department of Environmental Science and Physiology Respiratory Biology Program
665 Huntington Ave., Boston, MA 02115
James D. Blanchard, Ph.D. Harvard School of Public Health
Discussion & Conclusions
To determine whether two new spacer device (MicroSpacer®, MicroChamber®), alter the mass of respiratory particles delivered from several metered dose inhalers (MDI).
Both MicroSpacer® and MicroChamber® have little or no effect upon the size distribution of the respirable aerosol particles. The aerosol particles are successfully delivered and available for patients to inhale deep into their lungs.