Professor Arthur T. Johnson

THE FISCHELL DEPARTMENT of  BIOENGINEERING · A. JAMES CLARK SCHOOL of  ENGINEERING

• Home
• About Dr. Johnson
• Human Performance Laboratory
  • Research
  • Equipment
  • Group Members
• Respirator Use, Design, and Physiology
• Airflow Perturbation Device
• Publications & Abstracts
  • Biomechanics
  • Instrumentation
  • Respirator Masks
  • Teaching
  • Transport Processes
  • Miscellaneous Topics
• Books
  • Biological Process Engineering
  • Biomechanics and Exercise Physiology
  • Biology for Engineers
• Courses & Teaching
  • BIOE 332 Biological Process Engineering
  • ENBE 415 Bioengineering of Exercise Response
  • ENBE 455 Basic Electronic Design
  • ENBE 601 Instrumentation Principles
  • ENBE 603 Transport Processes in Biological Systems
  • ENBE 701 Bioengineering Analysis of Human Physiological Response
• Bioengineering Essays
• Software

Airflow Perturbation Device

The airflow perturbation device (APD) is a medical instrument developed for noninvasive measurement of respiratory resistance. This device can be very useful for measurements on small children, unconscious or uncooperative patients, and animals.

• APD poster (Powerpoint)
• Photos of children using the APD
• Published articles about the APD (PDF)

© 2007 Art Johnson | E-mail Art Johnson (artjohns@umd.edu) | Report site problems to biochemmse@umd.edu
Fischell Department of Bioengineering | A. James Clark School of Engineering | University of Maryland