How can electrosurgical sparks generate undesirable effects?

Schneider, Bertoldo; Dias, Elton; Abatti, Paulo José

doi:10.1109/lascas.2010.7410228

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2020

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“…Smoke from surgical instruments is generated when the thermal function of the ESU creates arcs leading to vaporization of tissue by. The entities present in this smoke include bacteria, DNA fragments and carcinogens [ 15 ].…”

Section: Introductionmentioning

confidence: 99%

PID fuzzy control applied to an electrosurgical unit for power regulation

Ridha

Mahdi

Abed

et al. 2020

Journal of Electrical Bioimpedance

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The electrosurgical unit (ESU) is the most common device in modern surgery for cutting and coagulation of tissues. It produces high-frequency alternating current to prevent the stimulation of muscles and nerves. The commercial ESUs are generally expensive and their output power is uncontrolled. The main objective of the proposed study is to propose an economic ESU with an additional feature of output power regulation using a fuzzy logic controller (FLC) based proportional integral derivative (PID) tuned controller. Unlike the previous studies, the proposed controller is designed in a fully closed-loop control fashion to regulate the output power of the ESU to a fixed value under the consideration of highly dynamic tissue impedance. The performance of the proposed method is tested in the MATLAB/SIMULINK environment. In order to validate the superiority of the proposed method, a comparative analysis with a simple (PID) controller based ESU is presented.

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Section: Introductionmentioning

confidence: 99%