Wednesday, June 16, 2010

Diathermy Equipment













Diathermy Equipment

Diathermy means internal heating where the heat is generated by a direct conversion to heat of some other form of energy passing through the tissues. In the case of surgical diathermy as used in the operating theatre for cutting and coagulating tissue an electric current passes through the body and heat is generated by resistive loss. In short-wave or microwave diathermy as used in the physiotherapy department, heating is caused by the dielectric loss of the tissues when electromagnetic waves pass through (the same effect as used in microwave ovens). Diathermy can also be produced by the absorption of ultrasonic waves, and this effect is also employed in the physiotherapy department.

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