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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.

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AMTELECTROSURGERY

INTEGRATING SAFETY AND PERFORMANCE

BASICS OF ELECTROSURGERY

electrosurgial principles
Electrosurgial Principles
  • Current follows pathway of least resistance
  • Current always seeks to complete the circuit
  • As Resistance within the circuit increases, current flow decreases
tissue effects
Tissue Effects:
  • Cutting
  • Desiccation
  • Fulguration
  • Soft Coagulation
  • Bipolar
  • Argon Plasma Coagulation
cutting
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
Desiccation (Forced Coag)
  • Contact Coagulation
    • Slow drying out of tissue
    • Varying degrees of thermal artifact
    • Causes eschar to form
fulguration spray coag
Fulguration (Spray Coag)
  • Non contact
  • High Voltage
  • Electrical current arcs from electrode to tissue
  • Superficial
soft coagulation
Soft Coagulation
  • Contact Coagulation
  • Low Voltage
  • Continuous waveform
  • Non Sticking non charring
  • Reproducible
bipolar
Bipolar
  • Contact coagulation
  • Low voltage
  • Safer than monopolar
  • Non charring
argon plasma coagulation
Argon Plasma Coagulation
  • Non contact
  • Non Charring
  • Superficial
esu s
ESU’s
  • Conventional
  • Constant Voltage
  • Hyfrecator
  • Argon Plasma Coagulation
return electrodes
Return Electrodes
  • Non CQMS
  • CQMS
  • Capacitive Pads
active electrodes
Active Electrodes:
  • Monopolar
    • Pencils
    • Laparoscopic
    • Forceps
  • Bipolar
    • Laparoscopic
    • Forceps
troubleshooting
Troubleshooting
  • Operator Errors
  • System Errors
  • Accessory Failures
buzzing a hemostat
Buzzing a Hemostat
  • Good Practice?
  • How to do it safely
surgical staff burns
Surgical Staff Burns
  • How do they occur?
  • How to avoid them