Within the types category of Diathermy Machine segmentation, devices are classified by the electromagnetic spectrum employed, each offering unique penetration depth and heating characteristics. Shortwave diathermy, operating at 27 MHz, dominates the market owing to its balanced tissue penetration and established clinical protocols, contributing the majority of unit sales. Microwave diathermy, typically at 915 MHz or 2.45 GHz, captures a niche yet growing share, favored for its faster heating cycles in orthopedic and oncologic procedures. Ultrasound diathermy, utilizing high‑frequency acoustic energy, occupies a smaller but strategic segment, primarily in physiotherapy and wound‑healing applications where non‑ionizing energy is preferred. The relative market weight of each type reflects adoption barriers, regulatory pathways, and cost structures, collectively defining the total addressable market for Diathermy Machine manufacturers.