Non-Adhesive Wound Dressing Retention Using External Fastening
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Solution Overview
Problem
Conventional wound dressings, particularly those using pressure-sensitive adhesives, irritate sensitive areas around wounds and are inconvenient to use, especially in locations like the armpit, inner thigh, and buttocks, necessitating frequent changes.
Innovation Solution
A wound dressing device comprising a retaining device and a fastening element, where the fastening element is external to the retaining device, allowing the dressing to be secured without adhesive contact with the wound, using magnetic attraction or perforated elements for attachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If pressure-sensitive adhesive dressing or tape is used to secure the dressing, then the dressing is retained in position, but the sensitive peripheral skin becomes irritated and painful
Solution Approach 1:
The harmful adhesive component is extracted and removed from the system. The patent uses a non-adhesive retaining device that encompasses the affected area, eliminating direct adhesive contact with sensitive skin while maintaining dressing retention through mechanical containment rather than chemical adhesion
Solution Approach 2:
A retaining device acts as an intermediary between the dressing and the sensitive skin. This device provides a secure platform for dressing retention while preventing harmful adhesive interaction with the peripheral skin through magnetic or mechanical fastening mechanisms
2Reliability
If bandages are used to retain the dressing, then the dressing is secured, but the application process becomes inconvenient and time-consuming for frequent changes
Solution Approach 1:
The complex mechanical wrapping process of traditional bandages is replaced with a simplified magnetic fastening system. The retaining device incorporates magnetic fastening elements that enable quick attachment and detachment, reducing the time required for dressing changes while maintaining secure retention
Solution Approach 2:
The fastening mechanism transitions from a continuous wrapping system to a discrete magnetic coupling system. This parameter change enables rapid engagement and disengagement of the retaining device, significantly reducing the time required for frequent dressing changes
3Reliability
If adhesive securing means are used, then the dressing is held in position, but adhesive allergy related sores develop
Solution Approach 1:
The adhesive component is completely extracted from the system. The retaining device uses magnetic attraction or mechanical interlocking to secure the dressing, eliminating any source of adhesive allergy while maintaining effective dressing retention
Solution Approach 2:
The patent employs disposable retaining devices that can be easily discarded after use. This eliminates the need for reusable adhesive components that could cause allergic reactions, allowing for frequent changes without cumulative adhesive exposure
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 device securely retains the dressing in place without irritating sensitive areas, facilitating easy repositioning and reducing the need for frequent changes, especially in challenging anatomical locations.
Implementation Method 1
The dressing and the fastening element may be secured to each other by magnetic attraction
Data Source
AI summary
The invention relates to a wound dressing device for securing a dressing in position on a wound, wherein the wound dressing device comprises: a retaining device for encompassing a portion of the body; a dressing, and; a fastening element that can secure the dressing in position. The fastening element being configured at least substantially external to the retaining device, the dressing being configured at least substantially internal to the retaining device, such that the dressing can be secured to the fastening element through the retaining device. The invention also relates to a method of applying the device and to a combined dressing and fastening element.