Voltaglue Electroceutical Adhesive Patches for Localized Voltage Stimulation

Area of Science:

• Biomedical Engineering
• Materials Science
• Regenerative Medicine

Background:

• Electroceuticals offer therapeutic potential for various conditions by stimulating nerves and tissues.
• Current limitations in applying uniform electric fields to localized tissues hinder electroceutical research and clinical translation.
• A need exists for flexible, conductive materials with mechanical properties matching soft tissues for effective electroceutical interfaces.

Purpose of the Study:

• To design and demonstrate a flexible, adhesive electroceutical plaster capable of generating localized electric fields.
• To investigate the structure-activity relationships of applied voltage and current bias on electrorheology and tissue adhesion.
• To introduce a tunable electroceutical dressing for evaluating electroceutical therapies.

Main Methods:

• Development of a flexible resistive substrate integrated with a voltage-activated adhesive.
• Investigation of electric field generation and interaction with the adhesive component.
• Characterization of electrorheology and tissue adhesion under varying electrical parameters.
• Observation of electrocuring migration phenomena.

Main Results:

• Successful design and demonstration of a flexible electroceutical plaster generating bound electric fields.
• Tunable lap shear adhesion ranging from 20-65 kPa achieved.
• Electrocuring migration observed, with curing progressing from cathode to anode.
• Structure-activity relationships between electrical parameters and material properties were elucidated.

Conclusions:

• The developed electroceutical plaster provides a viable interface for applying localized electric fields to tissues.
• The tunable adhesion and flexibility make it suitable for various electroceutical applications.
• This technology addresses a critical unmet need for advancing electroceutical therapies.