Medtronic Electrosurgery Products
Electrosurgery is a medical procedure to cut, coagulate, desiccate or fulgurate biological tissue with the application of electric current. The electric current is of high frequency and alternating polarity. Electrosurgery is often used to mitigate bleeding. A generator is used to convert the 60 cycle current to over 300,000 cycles per minute as the 60 cycles per minute current causes nerve stimulation and electrocution.
Tissue response to electric current can be one of the following
1.Desiccation
The cells are slowly dried out and the blood vessels are thrombosed
2.Fulguration
The surface is charred due to arcing or sparking of the energy above the tissue. The effect is more coagulatory in nature
3.Cutting
The cellular explosion caused due to cellular fluid vaporization result in scalpel like dissection
Electrosurgery is used in all areas of medicine including dermatology, plastic surgery, ophthalmology, gynecology, urology, dentistry etc. Electrosurgery can be performed with either unipolar or bipolar instruments. The difference between the unipolar and bipoar modalities is in the pathway of the current. Monopolar instruments consist of active electrode, conductive adhesive grounding pad and generator while a bipolar instrument consists of active electrode, return electrode and a generator. The electrosurgery procedure requires various equipment such as electrosurgical pencils, electrosurgical equipment, laparoscopic instruments, patient return electrodes, suction coagulators and irrigation devices, bipolar forceps, evacuation systems and electrosurgical accessories. Medtronic electrosurgery products are designed for optimal performance in electrosurgery systems.
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