Tissue-Derived Conductive Matrix for Cell Integration
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Solution Overview
Problem
Current surgical implants that incorporate cells, growth factors, and a physical matrix lack an effective method for integrating endogenous cells and growth factors within a tissue-derived conductive matrix, limiting their efficacy in tissue repair.
Innovation Solution
Development of implantable compositions comprising a tissue-derived growth conductive matrix combined with endogenous cells and growth factors, utilizing a physical matrix that mimics the extracellular matrix to enhance cell interaction and growth factor regulation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If current surgical implants incorporate cells, growth factors, and a physical matrix, then tissue repair function is provided, but the integration of endogenous cells and growth factors within a tissue-derived conductive matrix is ineffective
Solution Approach 1:
The patent combines endogenous cells, growth factors, and tissue-derived conductive matrix into a single integrated implant composition. This merging of previously separate components (cells, growth factors, and matrix) into one unified structure enables effective integration and synergistic interaction, directly resolving the technical contradiction by providing both tissue repair efficacy and a manufacturable integration method.
Solution Approach 2:
The invention creates a composite material system where endogenous cells are embedded within a tissue-derived conductive matrix that also incorporates growth factors. This composite structure leverages the complementary properties of each component: the conductive matrix provides structural support and cell guidance, while growth factors stimulate cellular activity, achieving effective tissue repair through integrated material design.
2Reliability
If a physical matrix is used to mimic the extracellular matrix, then cell interaction and growth factor regulation are enhanced, but the complexity of the implant composition increases
Solution Approach 1:
The patent modifies the physical and chemical parameters of the matrix to mimic native extracellular matrix properties, such as conductivity, porosity, and mechanical strength. By optimizing these parameters, the implant achieves enhanced cell interaction and growth factor regulation while maintaining a composition that is as simple as possible given the functional requirements.
Solution Approach 2:
The implant composition employs local quality variations within the matrix structure, creating regions with different properties optimized for specific functions: areas with higher conductivity for electrical signaling, porous regions for cell infiltration and nutrient transport, and zones with concentrated growth factors for targeted tissue regeneration. This localized optimization enhances overall efficacy without uniformly increasing complexity throughout the entire implant.
Data Source
AI summary
The disclosure provides implants containing a plurality of particles containing at least one population of viable cells adherent to and resident in soft tissue matrix or at least one viable population of cells caused to be in contact with the soft tissue matrix; methods of fabricating the implants; and use of the implants in tissue repair.