Sensor Wound Dressing Encapsulation for Connector Protection
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Solution Overview
Problem
Existing medical treatments lack real-time sensor data collection for tissue monitoring, particularly in wound care, orthopedic treatments, and internal tissue repair, relying on visual inspection which may obscure underlying tissue damage.
Innovation Solution
Incorporation of sensor-enabled substrates into treatment regimes, such as wound dressings, with flexible electronic components and coatings to reinforce connectors, allowing for real-time data collection and transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If visual inspection is used for wound monitoring, then the treatment process is simple, but real-time tissue health data cannot be obtained and underlying damage may be obscured
Solution Approach 1:
The patent embeds electronic components (sensors, conductive tracks, connectors) within the wound dressing structure itself. The electronics are integrated into the dressing layers, with sensors positioned to contact wound exudate and connectors embedded within the dressing matrix, allowing the monitoring system to be nested within the existing dressing without adding external complexity
Solution Approach 2:
The patent uses flexible printed circuit boards and thin-film encapsulation to protect electronic components while maintaining dressing flexibility. The conductive tracks are formed as thin films on flexible substrates, and components are encapsulated in biocompatible coatings that provide protection while allowing the dressing to conform to wound contours
2Reliability
If electronic components are integrated into wound dressing, then real-time monitoring is enabled, but the connectors and electronic components become vulnerable to damage from wound environment
Solution Approach 1:
The patent applies biocompatible coatings to connectors and electronic components before they are exposed to the wound environment. These coatings serve as protective barriers that cushion the components against chemical corrosion from wound exudate, moisture, and biological contaminants, preventing damage before it occurs
Solution Approach 2:
The patent uses composite structures where connectors are formed from multiple materials with complementary properties. The connectors combine conductive materials for electrical function with coating materials that provide chemical resistance and biocompatibility, creating a composite component that withstands the harsh wound environment
3Strength
If coatings are applied to reinforce connectors, then component protection is improved, but the manufacturing process becomes more complex
Solution Approach 1:
The patent combines multiple coating functions into a single integrated coating process. The biocompatible coating simultaneously provides chemical resistance, mechanical protection, and biocompatibility, eliminating the need for separate coating steps for each function and simplifying the manufacturing process
Data Source
AI summary
Devices and methods for encapsulating a portion of a wound dressing with biocompatible coating are disclosed. In some embodiments, a method includes applying a first coating on a first side of a flexible substrate of the wound dressing. The first side of the substrate can support a plurality of electronic components, electronic tracks, and connectors between the electronic components and electronic tracks. The first coating can be applied to at least one connectors. The application of the first coating can strengthen the at least one connector. The method can further include applying a second biocompatible coating on the first side of the substrate of the wound dressing and coating a second side of the substrate opposite the first side with a third coating, and coating at least some of the plurality of the electronic components with a fourth coating.