Portable Vacuum Wound Therapy for Off-Grid Negative Pressure Care

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Solution Overview

Problem

Existing wound therapy systems are cumbersome and challenging to implement in settings without access to extensive clinical facilities, such as battlefields or developing countries, and often require electricity for operation.

Innovation Solution

Development of portable wound therapy systems that utilize self-contained designs, incorporating vacuum sources, regulators, and communication modules to provide mechanical wound therapy without the need for wall vacuum or electricity, enabling remote use and data transmission.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional wound therapy systems are used, then effective wound treatment can be provided, but the systems are cumbersome and require extensive clinical facilities

Engineering Contradiction:

Improveeffectiveness of wound treatmentVSAvoidsystem complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The system is divided into separate functional modules: a portable vacuum source, a wound interface component with sealing drape, a collection canister, and an electronic vacuum regulator. This segmentation allows each component to be optimized independently and simplifies deployment in resource-limited settings while maintaining therapeutic effectiveness.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The electronic vacuum regulator incorporates automated monitoring and control capabilities that allow the system to self-regulate vacuum pressure and monitor operational parameters without requiring constant manual intervention or complex external monitoring equipment.

Inventive Principle:

Principle #25Self-service

2Ease of operation

If traditional wound therapy systems are used, then wound therapy can be delivered, but electricity and wall vacuum are required

Engineering Contradiction:

Improveportability and autonomyVSAvoiddependency on electricity

Core Design Contradiction:

Ease of operationVSUse of energy by moving object

Solution Approach 1:

The system replaces the need for wall vacuum infrastructure with a self-contained portable vacuum source that can operate independently. The electronic regulator uses microprocessor control to manage vacuum pressure, eliminating dependency on external electrical grids while maintaining portability.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The portable vacuum source and electronic regulator combination serves multiple functions: generating vacuum pressure, regulating pressure levels, monitoring operational parameters, and enabling portability. This multi-functionality reduces the need for separate equipment and external infrastructure.

Inventive Principle:

Principle #6Universality (Multi-functionality)

3Adaptability or versatility

If portable wound therapy systems are developed, then remote use is enabled, but device complexity increases

Engineering Contradiction:

Improveremote operation capabilityVSAvoiddevice complexity

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The electronic vacuum regulator incorporates sensors and microprocessor control that continuously monitor vacuum pressure and operational status, providing feedback loops that automate system adjustment. This feedback mechanism enables remote operation and monitoring without requiring complex manual control systems.

Inventive Principle:

Principle #23Feedback

Solution Approach 2:

The system uses electronic control to dynamically adjust vacuum pressure parameters and operational settings, allowing adaptation to different wound types and treatment requirements. This parameter control is achieved through integrated circuitry that simplifies the user interface while maintaining versatility.

Inventive Principle:

Principle #35Parameter changes

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

Enables effective wound treatment in various circumstances by providing portable and autonomous wound care, including monitoring and therapy delivery, enhancing patient care in remote or resource-limited settings.

Implementation Method 1

a vacuum source configured to generate a suction force that produces a negative pressure differential nearby the wound

Methodology Applied

Scientific EffectNegative pressure differential: Pressure Gradient

Implementation Method 2

a vacuum source configured to generate a suction force

Methodology Applied

Scientific EffectSuction: Suction

Data Source

PatentUS20260061109A1Wound therapy systems

Publication Date: 2026.03.05 J&M SHULER MEDICAL

AI summary

Systems, devices, and methods related to wound therapy are disclosed. Different aspects of wound care, including mechanical wound therapy, wound monitoring, irrigation, debridement, and delivery of therapies to the wound surface can be combined to improve effectiveness of treatment. The disclosed techniques can provide various type of clinical applications of wound therapies, including reverse pulse lavage, gas therapy, bacterial count measurements, pressure-based ulcer prevention, pain management, peritoneal dialysis, and controlled tissue in-growth, among others. In some instances, the systems described herein can be made portable and operable without the use of electricity, which provides potential to provide mechanical wound therapy in settings without access to extensive clinical facilities.