Image Category: Fundamentals: Principles Laparoscopic Hemosta

Active Electrode Surface Area

High current density: the active electrode has been decreased to 1cm2, raising the current density at this site to 100W/cm2. Now there will be a rapid rate of temperature rise—quickly with a thin-wire electrode (cutting results) and less quickly with a br

Energy Sources Used in Laparoscopy

Low current density is depicted schematically by showing an active electrode with a large surface area (low density of current in the larger surface area). The amount of current going through the patient at this electrode is only 1 Watt/cm2. Heating th

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