Light-proof Eye Protection Paste for Phototherapy
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Solution Overview
Problem
Current eye protection products for phototherapy, such as laser and IPL treatments, face issues like inadequate fixation, heat-induced skin burns, and the production of toxic smoke, which pose risks to patients and operators during medical procedures.
Innovation Solution
A light-proof eye protection paste with a decorative layer, shading layer, thermal insulating layer, medical adhesive layer, eyelash protective layer, and isolation layer, designed to provide effective light blocking, thermal insulation, and secure adhesion, while minimizing skin contact and smoke production.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a laser protective eye paste with adhesive is used, then the paste can be fixed on the eyelid skin, but the adhesion is too weak to be firmly fixed during clinical use, causing it to fall off and increase the risk of eye injury
Solution Approach 1:
The patent uses a composite structure consisting of a support layer, hydrogel layer, and isolation layer. The support layer provides mechanical strength and structural integrity, the hydrogel layer provides strong adhesion to the skin, and the isolation layer protects the adhesive. This composite material approach resolves the contradiction by combining materials with different properties to achieve both strong adhesion and reliable fixation.
2Object-affected harmful factors
If a hydrogel laser eye protective paste is used, then the paste has soft viscosity and protects patients' eyelashes or eyebrow after removal, but its adhesion with the skin is too weak to be firmly fixed on eyelid skin during clinical use
Solution Approach 1:
The patent divides the protective paste into three distinct functional layers: a support layer for structural integrity, a hydrogel layer for skin adhesion and eyelash protection, and an isolation layer for protecting the adhesive. This segmentation allows each layer to perform its specific function optimally, resolving the contradiction between gentle eyelash protection and reliable fixation.
3Reliability
If a laser protective eye patch with fixing rope is used, then the patch can be fixed on the back of the brain, but a slight movement of the head may cause the eye patch to move or fall off, causing the eyes to be exposed to light and be damaged by strong light
Solution Approach 1:
The patent uses a flexible paste structure that can conform to the contours of the eyelid skin, providing stable fixation without the need for external fixing ropes. The flexible thin film design allows the paste to move with the skin rather than against it, maintaining reliable protection during head movements.
4Object-affected harmful factors
If the reflecting layer is arranged behind the heat absorbing layer, then the laser can be reflected to prevent direct damage to the eyes, but the laser energy converts into heat energy of the layer again, increasing the risk of thermal damage to the skin of the eyes
Solution Approach 1:
The patent removes the heat-absorbing and reflecting layers from the structure, keeping only the support layer, hydrogel layer, and isolation layer. This extraction eliminates the problem of heat generation and thermal damage while maintaining laser protection through the opaque hydrogel and support layers that block laser transmission without converting energy to heat.
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 paste ensures firm fixation, prevents eye and skin damage from light and heat, reduces smoke generation, and provides a comfortable and safe protection solution for patients during phototherapy treatments.
Implementation Method 1
the shading layer is located inside the decorative layer for blocking light and preventing light from penetrating to hurt the skin
Implementation Method 2
the thermal insulating layer is located inside the shading layer for absorbing the strong light energy transmitted to the shading layer
Implementation Method 3
the thermal insulating layer is located inside the shading layer for absorbing the strong light energy transmitted to the shading layer
Data Source
AI summary
The disclosure provides a light-proof eye protection paste for preventing eyes from being damaged by light during phototherapy and a preparation method thereof, which solves problems of easy to fall off, skin burns, sticking off eyelashes, and provides safe and comfortable eye protection for phototherapy patients. The light-proof eye protection paste is composed of a decorative layer (1), a shading layer (2), a thermal insulating layer (3), a medical adhesive layer (4), an eyelash protective layer (5) and an isolation layer (6) from outside to inside, wherein the decorative layer (1) is located at the outermost layer for aesthetic decoration, the shading layer (2) is located inside the decorative layer (1) and used for blocking light and preventing light from penetrating to hurt the skin, the thermal insulating layer (3) is located inside the shading layer (2) and used for absorbing the strong light energy transmitted to the shading layer (2), the medical adhesive layer (4) is located inside the thermal insulating layer (3) and used for sticking and fixing on the skin around eyes, the eyelash protective layer (5) is located inside the medical adhesive layer (4) and used for protecting eyelashes from sticking off by the medical adhesive layer (4), and the isolation layer (6) is located inside the medical adhesive layer (4) and the eyelash protective layer (5), and is used for protecting the unused medical adhesive layer (4). The structure of the eye protection paste is compounded, cut and tailored by different methods to obtain the required products.