Physics of fractional microneedle radiofrequency – A review

Author:

Chandra Somodyuti1,Mysore Venkataram2,Shah Swapnil3,Malayanur Deepthi4,S R Shivani4

Affiliation:

1. Department of Dermatology, Medica Superspeciality Hospital, Kolkata, West Bengal, India

2. Department of Dermatology, The Venkat Centre for Skin and Plastic Surgery, Bengaluru, Karnataka, India,

3. Department of Dermatology, Ashwini Rural Medical College, Hospital and Research Centre, Solapur, Maharashtra, India

4. Department of Dermatology, The Venkat Center for Skin, Ear, Nose, and Throat and Plastic Surgery, Bengaluru, Karnataka, India,

Abstract

Fractional microneedle radiofrequency (RF) is a novel device that is gaining popularity in the treatment of many esthetic and dermatological conditions. The encouraging effectiveness and side-effect profile, along with little or no recovery time makes it an attractive therapeutic option. The device allows non-thermal penetration of microneedles into the dermis followed by RF-induced coagulation. The aim of this article is to provide a thorough understanding of the working principle and physics of this technology so that the clinicians can modulate its various parameters for effective treatment of a variety of dermatological conditions in all skin types. Methods used for locating, selecting, extracting, and synthesizing data include usage of key words such as microneedling, fractional, and RF using multiple search engines such as PubMed and Google search. Multiple articles were surveyed and finally, 30 articles including a few chapters from the textbook were refined into our search. This article is an attempt to simplify the physics of fractional microneedling RF.

Publisher

Scientific Scholar

Reference30 articles.

1. Monopolar radiofrequency facial tightening: A retrospective analysis of efficacy and safety in over 600 treatments;Weiss;J Drugs Dermatol,2006

2. Unipolar versus bipolar radiofrequency treatment of rhytides and laxity using a mobile painless delivery method;Alexiades-Armenakas;Lasers Surg Med,2008

3. Pilot clinical study of a novel minimally invasive bipolar microneedle radiofrequency device;Hantash;Lasers Surg Med,2009

4. Thermal response of in vivo human skin to fractional radiofrequency microneedle device;Manuskiatti;Biomed Res Int,2016

5. Radiofrequency in clinical dermatology;Shin;Med Lasers,2013

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