ENERGY SYSTEMS IN SURGERY.
2015
Introduction. The systems of energy in surgery are applied in order to
achieve better and more effective performing of procedures. Whereas various
energy sources, including electricity, ultrasound, laser and argon gas, may
be used, the fundamental principle involves tissue necrosis and hemostasis by
heating. Electro Surgery. Electro Surgery is a surgical technique by which
surgical procedures are performed by focused heating of the tissue using
devices based on high-frequency currents. It represents one of the most
frequently used energy systems in laparoscopy. Ultrasound Energy. The basic
principle of operation of the ultrasound surgical instruments is the usage of
low-frequency mechanic vibrations (ultrasound energy within the range of
20-60 kHz) for cutting and coagulation of tissue. Laser. Laser is the
abbreviation for Light Amplification by Stimulated Emission of Radiation,
aimed at increasing light by stimulated emission of radiation and it is the
name of the instrument which generates coherent beam of light. Argon Plasma
Coagulation. It has been in use since 1991 for endoscopic hemostasis. It uses
highfrequency electric current and ionized gas argon. The successful
application of devices depends on the type of surgical procedure, training of
the surgeon and his knowledge about the device. Surgeons do not agree on the
choice of device which would be optimal for a certain procedure. Conclusion.
The whole team in the operating room must have the basic knowledge of the way
an energy system works so as to provide a safe and effective treatment of
patients. The advantages and shortcomings of different systems of energy have
to be taken into account while we use a special mode.
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