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Pressure Properties of a New Positive Expiratory Pressure Device-OpenUp Flow a Three-in-One Solution
Pär Wennberg1, Bengt Sundberg1, Elisabeth Westerdahl2
1School of Health Sciences, Jönköping University, Jönköping, Sweden.
The Clinical Respiratory Journal
|May 13, 2025
Summary
A new flow-regulated Positive Expiratory Pressure (PEP) device was tested for its pressure and functionality. It demonstrated significant pressure differences across resistance levels, performing comparably to existing market options.
Area of Science:
- Respiratory Therapy
- Medical Device Engineering
Background:
- A novel flow-regulated Positive Expiratory Pressure (PEP) device was developed.
- Evaluation of its functionality and pressure characteristics is crucial for clinical application.
Purpose of the Study:
- To assess the pressure properties and functionality of a new flow-regulated PEP device.
- To compare its performance against established market devices.
Main Methods:
- Three distinct resistance levels of the PEP device were tested.
- Standardized airflow rates of 10 and 18 L/min were used for evaluation.
- Kruskal-Wallis test analyzed pressure differences between resistance levels.
Main Results:
- The device generated pressures ranging from 3 to 31 cmH2O at the tested flow rates.
- Statistically significant differences in generated pressure were observed across the different resistance levels.
- Higher resistance settings markedly increased the generated pressure compared to lower settings.
Conclusions:
- The flow-regulated PEP device exhibits significant pressure variations based on resistance levels.
- Its performance is comparable to other commercially available PEP devices.
- The device shows potential for effective use in respiratory therapy applications.
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