Radio Frequency

What is Radiofrequency?
Radiofrequency (RF) induces thermal destruction of the targeted tissue by an electrical current at a frequency of 1.5 – 4.5 MHz (RF). As the electrode tip is not heated, there is minimal thermal damage to the surrounding tissues, producing good esthetic results.

How does Radiofrequency work?
Radiofrequency (RF) surgery involves passage of radio waves in the frequency of 1.5 to 4.5 MHz. In case of skin lesions, the most commonly used frequency is 3.8 MHz. A radio-surgical unit consists of an electrode, a ground plate and a transformer. The radio waves generated, travel from the electrode tip to the lesion and return to the unit through the ground plate. Radio energy produces steam and vaporizes the tissue fluid resulting in cutting and coagulation of the tissues.

It has three modes of operation: (a) Cut, (b) cut and coagulate and (c) coagulate. Therefore, it can be used for various purposes like incision, ablation, fulguration, shave excision and coagulation. Because of the coagulation facility, hemostasis can be achieved and operation becomes easier and faster.

Applications of Radiofrequency

  • Removal of growths such as skin tags, warts, seborrhoic keratoses, syringoma, trichoepithelioma
  • Removal of moles (melanocytic naevi), dilated vessels (telangiectasia), Resurfacing of scars (chicken pox, acne etc.)
  • Removal of keloids.
  • Removal of skin tumors.
  • Removal of grey hairsBlepharoplasty (lifting of sagging eyelids)
  • In face lifts-called Non ablative face lift.

The advantages of the Radiofrequency?

  • Rapid healing.
  • Minimal or no bleeding.
  • Aesthetically pleasing scars or no scars.
  • Lesser operating time.
  • Office (outpatient) procedure.

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