Pressure ulcer-preventing / healing, BIO-based, temperature / humidity-sensitive, antibacterial and antifungal, smart bed / chair pad and production method

A dual-layer smart pad with biopolyurethane and chitosan-aloe vera layers, featuring nanofiber antibacterial properties and temperature/humidity sensitivity, addresses the environmental and efficacy gaps in existing products by preventing pressure ulcers and reducing waste.

WO2026117196A1PCT designated stage Publication Date: 2026-06-04FIRAT UNIVSI REKTORLUGU
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Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
FIRAT UNIVSI REKTORLUGU
Filing Date
2024-12-28
Publication Date
2026-06-04

AI Technical Summary

Technical Problem

Existing bed and chair products lack environmental sustainability, temperature/humidity sensitivity, and effective antimicrobial properties, failing to prevent or heal pressure ulcers effectively, particularly in individuals with sedentary lifestyles, and contribute to microplastic pollution.

Method used

A dual-layer smart pad composed of a biopolyurethane lower layer and a chitosan-aloe vera-based upper layer, incorporating nanofiber antibacterial and antifungal properties, with thermochromic and hydrochromic pigments for temperature/humidity sensitivity, enabling color changes and high moisture desorption.

Benefits of technology

The pad effectively monitors patient conditions, reduces microbial activity, prevents sweating, and is environmentally friendly, enhancing pressure ulcer prevention and healing while reducing waste and microplastic pollution.

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Abstract

The invention relates to a smart bed / chair pad and its production method, designed to prevent / heal pressure ulcers. It is biocompatible, bio-based, temperature / humidity-sensitive, capable of exhibiting color changes with humidity / temperature variations, has a high moisture desorption rate, does not cause sweating, is environmentally friendly, and features nanofiber antibacterial and antifungal properties that inhibit microbial activities. The pad is produced using dual-layer technology, comprising a breathable upper layer with fine pores that do not compromise patient comfort and a soft, comfortable, ergonomic lower layer with a pressure surface. It is available in a comfortable form that can be fitted to or spread over the bed.
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