amt electrosurgery integrating safety and performance basics of electrosurgery
TRANSCRIPT
AMT ELECTROSURGERYINTEGRATING 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