3Pole RF Handle
RF energy passes through the handpiece’s poles, which are set in pairs: positive and negative. The type of RF used will determine how deep it penetrates into the skin.
This 3 in 1 home cavitation machine has a 40K ultrasound handle to break down the fat cells, achieve satisfactory body sculpting results. Another handle can tighten and rejuvenate the skin.
Bipolar
Bipolar RF Devices have two electrodes that conduct an electrical circuit between them. This allows the current to penetrate deeper into the skin than monopolar RF devices. They are used on the cheeks, chin, and neck to tighten skin. The thermal energy generated by the RF current causes the collagen in the skin to regenerate, which smooths the wrinkles and firm up the face. The RF also shrinks the fat cells in the area, which decreases the appearance of double chin and loose skin around the face.
A bipolar RF system (Evoke; InMode, Lake Forest, CA) with disposable tips has been designed to allow noninvasive radiofrequency heating of the lower one-third of the facial soft tissue laxity. The tips consist of 25 invasive non-insulated electrodes in a 5 x 5 pattern, and they are used in conjunction with surface cooling.
The RF current starts on the anode and ends on the cathode, which generates electrothermal reactions in the vicinity of the electrodes. These reactions are induced in the dermal microvasculature and perivascular structures, as well as hair follicles.
The Evoke system is the first to deliver a hands-free thermoregulated noninvasive bipolar radiofrequency treatment that induces soft tissue 3-Pole RF Handle contraction in a clinically impactful manner. In a pig model, the results showed significant submental laxity reduction after three sessions. In addition, a reduction in submental fat volume was observed after six months of treatment. Almost all subjects developed transient erythema immediately after treatment, but no serious side effects were reported.
Monopolar
Originally, all RF devices used monopolar energy delivery. They placed a single electrode on the skin and connected it to a grounding pad, creating a low-resistance path for current flow and completing an electrical circuit. Using monopolar energy allows for deep penetration into the skin layers and into subcutaneous fat.
The polarity of the electric current passing through the handpiece creates a magnetic field, which in turn produces movements of polar electrons within the tissues that produce biological heating. This process is safe for the skin, as long as the RF energy is not too strong and there is proper cooling to prevent heat injury.
Bipolar RF devices have two electrodes incorporated into the handpiece; one positive and the other negative. When the RF energy is delivered, the current passes between these two poles and stays on the surface of the skin.
In contrast, with monopolar RF, the current traverses all skin layers once it enters the body and reaches the deeper structures (the middle layer of the skin, the dermis, and the fat layer, the hypodermis). This makes monopolar a powerful tool for eliminating cellulite and tightening the skin. This type of treatment also stimulates collagen production, resulting in firmer skin. The results are immediate and can be maintained for 4-6 months. This aesthetic skin care is an excellent solution for those who have pockets of pinchable fat that can’t be eliminated through diet or exercise alone.
Tripolar
Unlike older Mono-polar and Bi-polar technologies, TriPollar’s RF energy is concentrated between three electrodes. This limits the treatment area, whereas with older technologies, energy heats all skin layers, even in areas that are not targeted by the electrodes. This non-targeted energy often results in painful treatments and higher energy levels to achieve clinical results.
Body cells interpret the High Frequency (HF) electrical current as an energy source and, depending on their resistance, they will heat up to varying degrees. Pollogen’s research shows that treating at one week intervals produces optimal results. If treatment is performed too closely, the skin will become sensitive and the operator may reduce the power settings thereby reducing the effectiveness of the treatment.
Quadrupole
The quadrupole is the most complex of the mass analyzers, but is also one of the most powerful. Its primary purpose is to filter out ions that are lighter than a certain threshold mass, thereby allowing only the heavier ones to pass through and reach the detector.
To accomplish this, the quadrupole uses a series of pairs of positively and negatively charged rods. These pairs are alternately attracted and repelled by an alternating DC voltage (U) and an RF voltage that is modulated on a radio frequency basis (V). The oscillating electric field generated in this way causes the ions to describe what is called a saddle-field.
The combination of the DC and RF voltages applied to the quadrupole can be varied in a precise manner, resulting in different regions of stability for ions with various masses. By scanning through these regions of stability in a linear manner, a complete mass spectrum can be obtained.