Elastic Dressing for Scar Prevention via Skin Strain Control
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Solution Overview
Problem
Current methods for treating scars and keloids are ineffective in preventing or ameliorating their formation, as they primarily focus on treating established scars rather than addressing the mechanical environment that influences scar formation.
Innovation Solution
Devices and methods that manipulate mechanical or physical properties of the skin to control stress and strain at the wound site, using dressings and applicators to apply compressive or tensile forces to reduce scar formation by shielding the skin from excessive stress, thereby regulating the mechanical environment and promoting healthier wound healing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional scar treatment methods are used, then treatment of established scars is attempted, but they are ineffective in preventing or ameliorating scar formation
Solution Approach 1:
The patent applies preliminary action by using dressings and devices during the wound healing process itself, rather than treating scars after they have formed. The mechanical environment is manipulated during the proliferative and remodeling stages to prevent hypertrophic scarring and keloid formation before these pathological structures develop.
Solution Approach 2:
The patent inverts the conventional approach by shifting focus from treating established scars to preventing scar formation in the first place. This is achieved by manipulating the mechanical environment during wound healing through applied stress and strain control, rather than attempting to remodel existing scar tissue.
2Strength
If mechanical stress is increased to promote wound healing, then tissue strength may improve, but hypertrophic scarring and keloid formation are exacerbated
Solution Approach 1:
The patent applies parameter changes by precisely controlling the magnitude, direction, and timing of mechanical stress and strain applied to the wound site. By adjusting these mechanical parameters during different phases of wound healing, the device promotes healthy tissue remodeling while preventing the excessive collagen production that leads to hypertrophic scarring and keloids.
Solution Approach 2:
The patent implements dynamics by using adjustable and controllable mechanical forces that can be modified throughout the wound healing process. The device can adapt the applied stress and strain based on the healing stage, transitioning from higher forces during early proliferation to controlled lower forces during remodeling, thereby optimizing tissue strength while preventing pathological scarring.
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
These devices and methods effectively reduce the incidence and severity of scars and keloids by controlling stress and strain, leading to improved wound healing outcomes and reduced risk of chronic wounds.
Implementation Method 1
a strained elastic dressing material affixed to a skin site... The strain in the elastic material generates stress in the skin site
Implementation Method 2
an adhesive material, and a release liner... The adhesive material is peeled from the release liner
Data Source
AI summary
Devices, kits and methods described herein may be for treatment to skin, including but not limited to wound healing, the treatment, amelioration, and/or prevention of scars or keloids. A book-like packaging, applicator and/or tensioning device may be used to apply a dressing to a subject. The packaging, applicator and/or tensioning device may apply and/or maintain a strain in an elastic dressing.