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Surgical Smoke
Surgical smoke is the by-product produced by electrosurgery Electrosurgery is the application of a high-frequency (radio frequency) alternating polarity, electrical current to biological tissue as a means to cut, coagulate, desiccate, or fulgurate tissue.Hainer BL, "Fundamentals of electrosurgery", ''J ..., laser tissue ablation, or other surgical techniques. Surgical smoke, as a health threat to those exposed to it, has become a growing concern. Studies have demonstrated, depending on several factors, to possibly contain carcinogens, mutagens, irritant chemicals, live viruses and bacteria, and viable malignant cells. These all pose a theoretical and demonstrable risk of harming patients or operating room personnel upon exposure. Other names for surgical smoke are cautery smoke, plume, diathermy plume, or, sometimes, aerosols produced during surgery, vapor contaminants, or air contaminants. Electrosurgery and laser ablation are the most common sources of surgical smoke. Heat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Electrosurgery
Electrosurgery is the application of a high-frequency (radio frequency) alternating polarity, electrical current to biological tissue as a means to cut, coagulate, desiccate, or fulgurate tissue.Hainer BL, "Fundamentals of electrosurgery", ''Journal of the American Board of Family Practice'', 4(6):419–26, 1991 Nov.–Dec. 400 V peak-to-peak) the vapor sheath is ionized, forming conductive plasma. Electric current continues to flow from the metal electrode through the ionized gas into the tissue. Rapid overheating of tissue results in its vaporization, fragmentation and ejection of fragments, allowing for tissue cutting. In applications of a continuous wave the heat diffusion typically leads to formation of a significant thermal damage zone at the edges of the lesion. Open circuit voltage in electrosurgical waveforms is typically in the range of 300–10,000 V peak-to-peak. Higher precision can be achieved with pulsed waveforms. Using bursts of several tens of microseconds in d ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Electrosurgery
Electrosurgery is the application of a high-frequency (radio frequency) alternating polarity, electrical current to biological tissue as a means to cut, coagulate, desiccate, or fulgurate tissue.Hainer BL, "Fundamentals of electrosurgery", ''Journal of the American Board of Family Practice'', 4(6):419–26, 1991 Nov.–Dec. 400 V peak-to-peak) the vapor sheath is ionized, forming conductive plasma. Electric current continues to flow from the metal electrode through the ionized gas into the tissue. Rapid overheating of tissue results in its vaporization, fragmentation and ejection of fragments, allowing for tissue cutting. In applications of a continuous wave the heat diffusion typically leads to formation of a significant thermal damage zone at the edges of the lesion. Open circuit voltage in electrosurgical waveforms is typically in the range of 300–10,000 V peak-to-peak. Higher precision can be achieved with pulsed waveforms. Using bursts of several tens of microseconds in d ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
