Enhanced Anti-Adhesive Barrier Membrane for Biomedical Applications

Publication ID: 24-11857701_0006_PTD
Published: October 28, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Enhanced Anti-Adhesive Barrier Membrane for Biomedical Applications,” Published Technical Disclosure No. 24-11857701_0006_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857701_0006_PTD
This technical disclosure describes improvements that would be readily apparent to a Person Having Ordinary Skill In The Art (PHOSITA) when considered in combination with the foundational architecture disclosed in U.S. Patent No. 11,857,701.

Summary of the Inventive Concept

An improved anti-adhesive barrier membrane utilizing a unique interpenetrating, crosslinked network with enhanced porosity, biocompatibility, and non-toxicity, selectively inhibiting fibroblast infiltration into surgical microenvironments.

Background and Problem Solved

The original patent's anti-adhesive barrier membrane, comprising alginate and hyaluronic acid, demonstrated limitations in terms of physical strength, in vivo reposition flexibility, and handling. The new inventive concept addresses these limitations by introducing a unique interpenetrating, crosslinked network with improved porosity, enhancing the membrane's overall performance and usability.

Detailed Description of the Inventive Concept

The enhanced anti-adhesive barrier membrane consists of a unique interpenetrating, crosslinked network of hyaluronic acid and alginate, exhibiting improved physical strength, flexibility, and handling. This novel structure enables the membrane to selectively inhibit fibroblast infiltration into surgical microenvironments, reducing the risk of adhesions and promoting improved healing outcomes. The membrane's non-toxic, biodegradable, and biocompatible nature ensures its safety and efficacy in various biomedical applications.

Novelty and Inventive Step

The new inventive concept's unique interpenetrating, crosslinked network with enhanced porosity and selective fibroblast inhibition represents a significant improvement over the original patent's design, providing a non-obvious solution to the limitations of the prior art.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept may include varying the ratio of hyaluronic acid to alginate, incorporating additional biocompatible polymers, or modifying the crosslinking process to further enhance the membrane's properties. These variations could enable the development of customized membranes tailored to specific biomedical applications.

Potential Commercial Applications and Market

The enhanced anti-adhesive barrier membrane has significant commercial potential in various biomedical applications, including surgical implants, wound dressings, and tissue engineering. The target market includes medical device manufacturers, pharmaceutical companies, and research institutions focused on developing innovative biomedical solutions.

CPC Classifications

SectionClassGroup
A A61 A61L31/041
A A61 A61K31/192
A A61 A61K31/195
A A61 A61L31/145
A A61 A61L31/148
A A61 A61L31/16
A A61 A61L2300/414
A A61 A61L2300/43
A A61 A61L2300/62

Original Patent Information

Patent NumberUS 11,857,701
TitleAnti-adhesive barrier membrane using alginate and hyaluronic acid for biomedical applications
Assignee(s)Board of Regents, The University of Texas System