Design idea for a microwave energy coupler in biomedical field

Area of Science:

• Biomedical Engineering
• Electromagnetics
• Microwave Technology

Background:

• Microwave radiation is increasingly used in biomedical applications, including hyperthermia, diagnostics, and tissue characterization.
• Effective electromagnetic (e.m.) energy couplers are crucial for these biomedical microwave applications.
• Current applicators may face limitations in size, weight, or precise energy delivery.

Purpose of the Study:

• To introduce and evaluate a novel direct contact microwave applicator structure.
• To address the need for compact and efficient microwave energy delivery systems in medicine.
• To improve the design of electromagnetic couplers for biomedical applications.

Main Methods:

• The proposed applicator utilizes microstrip transmission line techniques.
• The design focuses on achieving direct contact for efficient energy transfer.
• Performance was assessed based on matching, size, weight, and irradiated field characteristics.

Main Results:

• The new structure features very small dimensions and minimal weight.
• The applicator demonstrates good impedance matching for efficient power transfer.
• It provides a sufficiently defined and localized irradiated field.

Conclusions:

• The developed microstrip-based microwave applicator is suitable for various biomedical applications.
• Its compact size, light weight, and effective performance make it a promising solution.
• This design advances the development of efficient electromagnetic couplers for medical use.