Reduced Pressure Wound Cover With Integrated Monitoring
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current wound treatment technologies face challenges in maintaining consistent reduced pressure, monitoring pressure and temperature, and reducing the frequency of dressing changes, which can lead to infection and inefficiencies in healing large or ischemic wounds.
Innovation Solution
A reduced pressure wound treatment apparatus with a fluid-impermeable cover, absorbable matrix, and integrated suction system that allows for controlled application of negative pressure, visual and audible pressure monitoring, and temperature sensing, while minimizing the need for frequent dressing changes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If sutures are used to apply closure force to wound edges, then wound closure is achieved, but excessive pressure is exerted on adjacent tissue causing ischemia
Solution Approach 1:
The patent divides the closure force application into multiple distributed ports around the wound periphery rather than concentrated sutures. The reduced pressure is applied uniformly across many small contact points, distributing the mechanical load and preventing localized tissue ischemia while achieving overall wound closure.
Solution Approach 2:
The patent uses reduced pressure (vacuum) applied through a fluid-impermeable cover to achieve wound closure. This pneumatic approach replaces mechanical suture tension with distributed suction force, allowing uniform pressure application across the entire wound surface without creating focal points of excessive stress on adjacent tissue.
2Force
If quantity of sutures is increased to reduce tension per suture, then closure effectiveness is improved, but foreign material in wound increases and infection risk rises
Solution Approach 1:
The patent eliminates sutures entirely and uses reduced pressure applied through a sealed cover to achieve wound closure. This removes all foreign suture material from the wound environment, eliminating the source of potential infection while maintaining effective closure force through distributed vacuum pressure across multiple ports.
Solution Approach 2:
The patent changes the fundamental parameter of closure from mechanical tension (sutures) to pressure differential (vacuum). This parameter change allows closure force application without introducing foreign material into the wound, thereby reducing infection risk while maintaining closure effectiveness.
3Object-affected harmful factors
If frequent dressing changes are performed to maintain wound hygiene, then infection risk is reduced, but healing efficiency decreases and patient discomfort increases
Solution Approach 1:
The patent implements continuous reduced pressure treatment through a sealed, fluid-impermeable cover that maintains a controlled environment over the wound. This continuous application of vacuum pressure promotes constant blood flow and tissue regeneration without interruption, eliminating the need for frequent dressing changes while maintaining infection control and accelerating healing.
Solution Approach 2:
The patent creates a self-contained wound treatment system where the reduced pressure apparatus maintains its own sterile environment through the fluid-impermeable cover. The system continuously removes exudate and maintains negative pressure without requiring external intervention or dressing changes, allowing the wound to heal continuously without disruption.
4Reliability
If reduced pressure is applied to promote blood flow, then wound healing is enhanced, but consistent pressure maintenance becomes difficult with traditional apparatus
Solution Approach 1:
The patent incorporates pressure sensors and control systems that continuously monitor the reduced pressure level and automatically adjust to maintain the target pressure range. This feedback mechanism ensures consistent pressure application for optimal blood flow promotion while simplifying operation, as the system self-regulates without requiring manual intervention.
Solution Approach 2:
The patent uses a sealed pneumatic system with the fluid-impermeable cover to maintain consistent reduced pressure. The pressure differential is maintained through the sealed environment, and pressure regulation is achieved through controlled vacuum application, ensuring reliable and consistent pressure delivery that enhances blood flow without operational complexity.
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 apparatus promotes faster healing, reduces bacterial density, enhances flap and graft attachment, and provides portable, self-contained treatment for various wound types, including infected open wounds and partial thickness burns.
Implementation Method 1
suction tube means embedded within the absorbable matrix for providing reduced pressure within the enclosure
Implementation Method 2
a) a fluid-impermeable wound cover for covering and enclosing a wound site
Data Source
AI summary
A wound treatment apparatus is provided for treating tissue damage, which comprises a fluid impermeable wound cover sealed over a site for purposes of applying a reduced pressure to the site. The apparatus also includes a cover with protrusions on its surface for purposes of monitoring pressure at the site. An absorbable matrix may be placed in the site of a wound to encourage tissue growth into the matrix. Temperature of the site may be monitored using a layer of temperature sensitive material and temperature sensors connected to an alarm and recording device. A vacuum pump supplies suction within the wound cover over the treatment site. A portable version of the wound treatment apparatus is also provided. Finally, a method for treating wounds using reduced pressure is provided.