* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Download CESO_SEMINARS_2002_AMT_Presentation_June_10_02
Immunity-aware programming wikipedia , lookup
Ground (electricity) wikipedia , lookup
Electrical substation wikipedia , lookup
Mercury-arc valve wikipedia , lookup
Stepper motor wikipedia , lookup
History of electric power transmission wikipedia , lookup
Electrical ballast wikipedia , lookup
Thermal runaway wikipedia , lookup
Switched-mode power supply wikipedia , lookup
Opto-isolator wikipedia , lookup
Power MOSFET wikipedia , lookup
Voltage optimisation wikipedia , lookup
Resistive opto-isolator wikipedia , lookup
Current source wikipedia , lookup
Buck converter wikipedia , lookup
Surge protector wikipedia , lookup
Mains electricity wikipedia , lookup
Rectiverter wikipedia , lookup
AMT ELECTROSURGERY INTEGRATING SAFETY AND PERFORMANCE BASICS OF ELECTROSURGERY Basics of Electricity Electrosurgial Principles • Current follows pathway of least resistance • Current always seeks to complete the circuit • As Resistance within the circuit increases, current flow decreases Neromuscular Stimulation Tissue Effects: • • • • • • Cutting Desiccation Fulguration Soft Coagulation Bipolar Argon Plasma Coagulation Cutting • Continuous high-frequency current – Cause quick, clean cutting – Minimal Thermal Artifact • Blended Current − Combination of cutting and coagulation waveform characteristics − Moderate hemostasis Desiccation (Forced Coag) • Contact Coagulation – Slow drying out of tissue – Varying degrees of thermal artifact – Causes eschar to form Fulguration (Spray Coag) • Non contact • High Voltage • Electrical current arcs from electrode to tissue • Superficial Soft Coagulation • • • • • Contact Coagulation Low Voltage Continuous waveform Non Sticking non charring Reproducible Bipolar • • • • Contact coagulation Low voltage Safer than monopolar Non charring Argon Plasma Coagulation • Non contact • Non Charring • Superficial Argon Plasma Coagulation Argon Plasma Coagulation ESU’s • • • • Conventional Constant Voltage Hyfrecator Argon Plasma Coagulation Return Electrodes • Non CQMS • CQMS • Capacitive Pads CQMS Technology Capacitive Pad Active Electrodes: • Monopolar – Pencils – Laparoscopic – Forceps • Bipolar – Laparoscopic – Forceps Troubleshooting • Operator Errors • System Errors • Accessory Failures Buzzing a Hemostat • Good Practice? • How to do it safely Surgical Staff Burns • How do they occur? • How to avoid them