Pneumatic Compression Pressure Feedback for Consistent Therapy

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Solution Overview

Problem

Existing pneumatic compression systems for lymphedema treatment suffer from system failures and sub-optimizations that are not easily detected, leading to inconsistent and potentially ineffective therapy.

Innovation Solution

A method and system for applying compression using a fitting cycle and treatment cycle, with automated pressure adjustments based on actual and calculated internal pressures, and a pneumatic system with a pump, fluid pathway, pressure valves, and a pressure transducer to ensure accurate and consistent pressure application.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If manual monitoring of pneumatic system pressure is used, then system simplicity is maintained, but pressure accuracy and treatment consistency deteriorate

Engineering Contradiction:
Improvepressure measurement accuracyVSAvoidsystem complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The system incorporates a pressure transducer that continuously monitors internal chamber pressure and provides feedback to the control system. The controller compares actual pressure readings with target pressure values and automatically adjusts the pump operation to maintain accurate treatment pressure, eliminating the need for manual monitoring while ensuring precision.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

Manual pressure monitoring and adjustment mechanisms are replaced with an automated electronic control system that uses a pressure transducer and controller to continuously regulate pressure, substituting mechanical/manual operations with automated electro-mechanical control.

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

2Reliability

If automated pressure control systems are implemented, then treatment consistency is improved, but system complexity and cost increase

Engineering Contradiction:
Improvetreatment consistencyVSAvoidsystem complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The controller receives continuous feedback from the pressure transducer regarding actual chamber pressure and automatically adjusts pump operation to maintain target pressure levels, ensuring consistent treatment delivery without requiring complex manual intervention protocols.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The system performs self-regulation of pressure through automated control algorithms that monitor pressure readings and adjust pump operation independently, eliminating the need for operator intervention and ensuring reliable, consistent treatment delivery.

Inventive Principle:
Principle #25Self-service

3Measurement precision

If frequent pressure measurements and adjustments are made, then pressure accuracy is maintained, but treatment time increases

Engineering Contradiction:
Improvepressure accuracyVSAvoidtreatment time
Core Design Contradiction:
Measurement precisionVSLoss of time

Solution Approach 1:

The pressure transducer continuously monitors chamber pressure throughout the treatment cycle without interruption, and the controller continuously adjusts pump operation as needed, eliminating the need to stop treatment for manual pressure checks and adjustments, thereby maintaining accuracy while minimizing time loss.

Inventive Principle:
Principle #20Continuity of useful action

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

The system provides reliable and consistent compression therapy by preventing pressure deviations, ensuring optimal treatment pressures, and reducing the need for manual intervention, thereby enhancing therapy effectiveness.

Implementation Method 1

measuring an actual internal pressure of the sleeve

Methodology Applied
Scientific EffectPressure transduction:

Implementation Method 2

delivering or removing an amount of a fluid to a chamber of a compression sleeve sufficient to adjust the chamber to a calculated internal pressure

Methodology Applied
Scientific EffectPneumatic pressure delivery:

Data Source

PatentUS20250352137A1Pneumatic Compression Systems and Compression Treatment Methods
Publication Date: 2025.11.20 MEDI USA
  • US20250352137A1 patent drawing
  • US20250352137A1 patent drawing
  • US20250352137A1 patent drawing

AI summary

The present invention relates to automated methods of applying compression to the body of a subject comprising a fitting cycle and a treatment cycle, including related devices, systems, and processors.