Design of a Precision Medication Dispenser: preventing overdose by increasing accuracy and precision of dosage

June 29, 2018

Shriya S. SrinivasanSai N. R. KantareddyEbenezer A. NkwatePraveen MekaIvy ChangNevan C. HanumaraKhalil B. Ramadi

Early Access Note:
Early Access articles are new content made available in advance of the final electronic or print versions and result from IEEE’s Preprint or Rapid Post processes. Preprint articles are peer-reviewed but not fully edited. Rapid Post articles are peer-reviewed and edited but not paginated. Both these types of Early Access articles are fully citable from the moment they appear in IEEE Xplore.

Abstract:

Schematic of PMD, consisting of the mounted reservoir cap and a detachable spoon-like dispenser
Liquid medication overdose in pediatric patients results in over 70,000 visits to the emergency room yearly in the United States. Various studies have demonstrated the root cause of this high incidence is due to user and device error in dose measurement. The standard measuring cup and syringe suffer from the challenge of accurately measuring and dispensing viscous liquids, which comprise the majority of children’s medication formulations. Here, we describe the development of a precision medication dispenser (PMD) that overcomes challenges associated with viscous fluid flow at low volumes and flow rates, while incorporating various ergonomic and user-friendly features. The device performs with >95% accuracy and 94% precision across the 1-5ml range of volume, a significant improvement when compared to current commercially-available dispensers.

READ FULL ARTICLE ON IEEE XPLORE

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