Crosslinked Dermal ECM Biopolymer Wound Dressing
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Solution Overview
Problem
Conventional dermal tissue-derived ECM-based wound dressings are ineffective for chronic wounds as they are difficult to apply to various sizes and depths and tend to detach from the wound surface, reducing their functionality.
Innovation Solution
A composition comprising crosslinked dermal ECM and a first biopolymer, physically mixed with a second biopolymer, enhancing viscosity and adhesion to maintain aggregation on the wound surface for an extended period, promoting recovery.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If dermal tissue-derived ECM is manufactured in a micronized form to apply to wounds of various sizes and depths, then adaptability to different wound types is improved, but the wound dressing easily detaches from the wound surface reducing reliability
Solution Approach 1:
The patent combines micronized dermal ECM with biopolymer carriers (such as hyaluronic acid, collagen, or gelatin) to create a composite wound dressing. The biopolymer carrier provides structural integrity and adhesion properties while the dermal ECM maintains its bioactive components. This composite structure allows the dressing to adhere reliably to wound surfaces while remaining applicable to various wound types and sizes.
Solution Approach 2:
The patent modifies physical parameters of the dermal ECM by controlling particle size (micronization) and combining with biopolymers in specific ratios. These parameter changes optimize both the adaptability to different wound geometries and the attachment stability through enhanced mechanical properties and adhesion characteristics of the composite material.
2Device complexity
If dermal tissue-derived ECM is used as a single component to simplify the composition, then device complexity is reduced, but the dressing detaches easily from the wound surface worsening reliability
Solution Approach 1:
The patent creates a composite material system where dermal ECM is combined with biopolymer carriers. This composite approach enhances attachment stability through the biopolymer's adhesive properties while maintaining relative composition simplicity. The biopolymer serves multiple functions including adhesion, structural support, and delivery vehicle for the bioactive ECM components.
3Ease of manufacture
If conventional wound dressings provide only a regenerative environment for self-healing, then ease of manufacture is improved, but effectiveness for chronic wounds deteriorates
Solution Approach 1:
The patent combines conventional wound dressing approaches with advanced bioactive components. The biopolymer carrier provides the regenerative environment while the incorporated dermal ECM delivers potent healing factors and structural templates that actively promote tissue regeneration. This composite approach maintains manufacturing feasibility while significantly enhancing healing effectiveness for chronic wounds.
Solution Approach 2:
The biopolymer carrier acts as an intermediary that delivers bioactive dermal ECM components to the wound site. It provides the regenerative environment needed for self-healing while simultaneously transporting and releasing growth factors, cytokines, and structural proteins from the dermal ECM that actively stimulate tissue regeneration in chronic wounds.
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 composition effectively adheres to wounds of various sizes and depths, preventing detachment and enhancing wound healing by maintaining a stable regenerative environment, as demonstrated by improved viscoelastic properties and collagen production in in vivo experiments.
Implementation Method 1
crosslinking delipidated and decellularized dermal ECM with a first biopolymer
Implementation Method 2
not be detached for a predetermined period while being well aggregated even after being applied to a wound surface
Implementation Method 3
enhancing the viscosity of the composition
Data Source
AI summary
Disclosed is a composition for treating a wound including a dermis-derived extracellular matrix and a method for preparing the composition. By using the composition for treating a wound according to the present invention, the composition can be applied to wounds of various sizes and depths by increasing the viscosity of the composition, the composition is well coagulated without falling off for a certain period of time after application to a wound surface, and the composition can promote recovery.