Thermamedic Medical System

The RADIOFREQUENCY

Radiofrequency (RF) energy has been routinely used in surgery since the 1940s but has only recently found new and interesting applications in the field of dermo-aesthetics. RF technology uses very high frequency, alternating currents which produce skin heating (hyperthermia) through the conversion of electrical energy into internal tissue heat. It is extremely effective in achieving localized hyperthermia

RF application involves hardly any side-effects since alternating current does not generate electrolytic effects and therefore does not produce electrical burns. Additionally, high frequencies do not have any excitation action in tissues.

We are introducing a new platform, unique in the market for the use of combinated technologies based on our own Dynamic Fequency Management System XDMF (Xperion Dynamic Management of Frequencies) this puts us at the technology front line in Radiofrequency for aesthetic medicine use.

Tissue resistance to the passage of the radiofrequency energy triggers an increase in tissue temperature. As a result, an increase in blood flow occurs. The net effect is an increase in oxygen delivery to the tissue, and an increase in uptake of carbon dioxide and toxins

Tissue resistance to the passage of the radiofrequency energy triggers an increase in tissue temperature. As a result, an increase in blood flow occurs. The net effect is an increase in oxygen delivery to the tissue, and an increase in uptake of carbon dioxide and toxins

Effects on homeostasis

Local hyperthermia reduces the viscosity of organic liquids and colloids that facilitate ion exchange.
In tissue, the response to heat is vasodilation. This opening up of capillaries, leads to increased filtration, improved tissue tropism, increased re-absorption of excessive intercellular fluids and an increase in local circulation.

Relationship between RF and tissue ageing

Flaccidity, wrinkles and signs of ageing appear when the mechanism of metabolic regulation loses its capacity for equilibrium. Blockage of this mechanism causes a reduction in permeability of the cell membrane and consequently cellular ageing.
RF favours the activation of biopolymers and cell receptors that co-interact and consequently trigger internal cellular mechanisms responsible for permeability of the membrane.
Recovered membranes re-establish expulsion into the interstitial fluid of residues produced during cellular metabolic processes that are responsible for uptake of oxygen and nutrients.

Biopolymers and cellular receptors stimulated by RF also act on metabolism and cellular peptides; peptides offer protection from free-radicals that appear during the production of cellular energy.

RF thus manages to redirect the cell back to its state of equilibrium that is the state of rejuvenation.

Intensities and frequencies applied

To obtain the desired physio-chemical effects with RF, the equipment used should enable an intensity of at least 1 Amp to circulate in the organism and RF frequency should be high enough to avoid undesirable side-effects.

Low frequencies, even with very low intensities, are associated with muscle stimulation which may even result in cardiac fibrillation. RF equipment currently marketed uses frequencies which vary from 700 kHz to 40.68 MHz since it is known that at frequencies above 500 KHz cardiac fibrillation is impossible, yet it is still possible to cause localised heating (hyperthermia) through the Joule effect.

Radiofrequency effects

Joule Effect.

The Joule effect refers to the release of heat produced within a biological system by the passage of electrical current through it. To produce Joule heating in the human body without danger of electric shock, high frequency fields must be used; these change polarity so quickly that they do not produce muscular contraction, fibrillation, or any other side-effect. By applying frequencies above 400 kHz, higher intensity currents may be used without risk of electrocution and we only need to ensure that heat burns do not occur.

Heat Shock Proteins

An increase in temperature at tissue depth induces the expression of heat shock proteins..The action of these proteins, especially HSP 70, re-naturalises de-naturalised proteins with the inherent benefits for treated tissues.

Heating by dielectric losses.

When a body is subjected to an RF electrical field, molecules tend to vibrate in order to follow the change in direction of the electrical field. This effect releases heat that is greater in molecules which are not isoelectric and in tissues with higher resistance (poorly vascularised tissues and cellular membranes).

Basic difference between RF and external tissue heating.

The temperature produced with the application of RF differs totally from that produced by external heat application methods.
With RF the increase in temperature occurs INTERNALLY and in the ENTIRE body mass and it occurs FROM THE INSIDE towards the OUTSIDE. This minimizes the chance of epidermal skin burns.

Increase in reaction speed.

Applying a radiofrequency field that is sufficiently intense onto a reactive mixture increases the speed of some of its reactions. It is thought that the imbalance induced during the application of the electromagnetic field produces kinetic energy in the molecules which maintains the temperature.

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