Respiratory OPEP Device With Visual Feedback for Therapy Adherence

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Solution Overview

Problem

Existing oscillating positive expiratory pressure (OPEP) devices provide minimal feedback to users, leading to low adherence and non-compliance with therapy, lack of progress tracking, and ineffective usage techniques, particularly in conditions like COPD and cystic fibrosis.

Innovation Solution

A smart OPEP device with a feedback array and control module that provides real-time feedback on pressure and flow oscillations, allowing for data archiving, performance tracking, and adherence monitoring, featuring a flexible membrane and visual indicators for user engagement.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If OPEP devices provide minimal feedback to users, then device complexity is reduced, but user adherence and therapy compliance deteriorate

Engineering Contradiction:
Improveuser adherenceVSAvoiddevice complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent implements feedback mechanisms including visual indicators (LED arrays), auditory cues, and haptic vibrations that provide real-time information to users about their breathing performance and therapy adherence. This feedback loop motivates users to maintain proper technique and improves compliance without requiring complex manual monitoring systems.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The device automatically monitors therapy parameters, tracks usage patterns, and provides guidance without requiring user intervention. The system self-evaluates performance metrics such as breath count, duration, and intensity, then generates personalized feedback reports that reduce the need for manual tracking and increase user engagement.

Inventive Principle:
Principle #25Self-service

2Measurement precision

If OPEP devices do not provide feedback on performance and effectiveness, then device complexity is reduced, but measurement of therapy effectiveness deteriorates

Engineering Contradiction:
Improvetherapy effectiveness measurementVSAvoiddevice complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The patent replaces manual assessment methods with electronic sensors and digital measurement systems that automatically quantify therapy parameters. Pressure sensors, flow meters, and microprocessors provide precise, objective measurements of breathing performance, eliminating the need for subjective clinical evaluation and enabling detailed tracking of therapy effectiveness.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The system introduces digital intermediaries such as microprocessors, memory units, and communication modules that bridge the gap between physical therapy delivery and performance measurement. These intermediaries collect, process, and transmit data about therapy parameters, enabling sophisticated analysis of effectiveness without direct mechanical complexity in the breathing pathway itself.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Loss of information

If OPEP devices do not track progress or monitor adherence, then device complexity is reduced, but loss of information regarding user progress deteriorates

Engineering Contradiction:
Improveuser progress informationVSAvoiddevice complexity
Core Design Contradiction:
Loss of informationVSDevice complexity

Solution Approach 1:

The device continuously collects and stores therapy data in memory during each usage session, preparing information about adherence patterns, performance trends, and goal achievement before analysis is needed. This preliminary data accumulation enables comprehensive progress tracking without requiring complex real-time processing systems.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system uses a multi-functional microprocessor that handles sensor data collection, real-time feedback generation, progress tracking, and communication with external devices. This universal processor consolidates multiple functions into a single component, reducing overall system complexity while enabling comprehensive information tracking and analysis.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

Enhances user engagement and adherence to therapy by providing clear visual feedback, improving treatment effectiveness through performance monitoring and personalized feedback, ultimately aiding in correct technique development and adherence.

Implementation Method 1

A flexible membrane is moveable from a first position wherein the membrane is disposed across the port and defines in part a chamber and a second position wherein the membrane is not disposed across the port

Methodology Applied
Scientific EffectPressure response: Pressure Increase

Implementation Method 2

A pressure sensor and/or microthermal flow sensor is in flow communication with the chamber

Methodology Applied
Scientific EffectPressure sensing: Pressure Increase

Implementation Method 3

A pressure sensor and/or microthermal flow sensor is in flow communication with the chamber

Methodology Applied
Scientific EffectMicrothermal flow detection:

Data Source

PatentEP4021542B1Respiratory therapy device comprising a visual feedback array
Publication Date: 2025.07.16 TRUDELL MEDICAL INT INC
  • EP4021542B1 patent drawingFigure 1~2
  • EP4021542B1 patent drawingFigure 3~4
  • EP4021542B1 patent drawingFigure 5A~5G

AI summary

A respiratory therapy device having a diagonal feedback array, and methods for the user thereof.