🛠️ Invention or technique

Diathermy

Diatermia

Date
1907 · confidence high
Place
Berlin, Germany
Credited to
Karl Franz Nagelschmidt
Field
Life & health

What it is

German physician Karl Franz Nagelschmidt introduced diathermy in Berlin in 1907: deep tissue heating using high-frequency electrical currents, used in physical therapy and, at higher power, to destroy tissue in surgery.

What it led to

  • High-frequency electrosurgery
  • Shortwave and microwave physical therapy
  • Thermal ablation in oncology

Links

Sources✓ verified 2026-09-28