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2014•Aesthetic dermatologyRequires access

Unipolar Radiofrequency

Shlomit Halachmi, Alex Britva, Moshe Lapidoth

Open publisher page 1 citations

Abstract

Unipolar radiofrequency (RF) is applied with a single electrode. Unipolar RF is to be distinguished from monopolar RF, which utilizes one active electrode and one return electrode. Aesthetic applications for unipolar RF are based on tissue heating. By understanding how various RF parameters, including RF frequency, power, coupling, and impedance matching, can impact the path of RF flow and its interaction with tissue, one can optimize the RF application for various indications. The current chapter examines the effect of each of these parameters on the flow of RF and on the efficiency of heating biological tissues.

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What this paper is about

Unipolar radiofrequency (RF) is applied with a single electrode. Unipolar RF is to be distinguished from monopolar RF, which utilizes one active electrode and one return electrode. Aesthetic applications for unipolar RF are based on tissue heating. By understanding how various RF parameters, including RF frequency, power, coupling, and impedance matching, can impact the path of RF flow and its interaction with tissue, one can optimize the RF application for various indications. The current chapter examines the effect of each of these parameters on the flow of RF and on the efficiency of heating biological tissues.

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Available abstract

Unipolar radiofrequency (RF) is applied with a single electrode. Unipolar RF is to be distinguished from monopolar RF, which utilizes one active electrode and one return electrode. Aesthetic applications for unipolar RF are based on tissue heating. By understanding how various RF parameters, including RF frequency, power, coupling, and impedance matching, can impact the path of RF flow and its interaction with tissue, one can optimize the RF application for various indications. The current chapter examines the effect of each of these parameters on the flow of RF and on the efficiency of heating biological tissues.

Key concepts: Radio frequency, RF power amplifier, RF probe, Electrode, Materials science, Dielectric heating, Optoelectronics, Rf ablation

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