Monopolar cutting electrosurgical unit
IntroductionIn monopolar electrosurgery, the active electrode is placed at the surgical site. The patient return electrode (also known as a 'dispersive pad') is placed somewhere else on the patient's body. The current passes through the patient as it completes the circuit from the active electrode to the patient return electrode. The function of the patient return electrode is to remove current from the patient safely. A return electrode burn will occur if the heat produced, over time, is not safely dissipated by the size or conductivity of the patient return electrode.
Main Frequency: 512KHZ
Power Supply: 110V/60HZ; 220V/50HZ
High Frequency Leakage:
Low Frequency Leakage:
Normal Polarity, Intact Chassis Ground: <10μA
Normal Polarity, Ground open< 50μA
Reverse Polarity, Ground Open< 50μA
Sink Current, 140V Applied, All inputs < 50μA
Max. output power
Maximum P-P Voltage
1. Determine whether the patient has any metal implants, including cardiac pacemakers. There is potential for injury if a patient return electrode is placed on the skin over a metal orthopaedic implant.
2. For optimum safety, have the patient remove any jewellery to avoid complications from possible current leakage.3. Position and insulate the patient so that she or he is not touching any grounded metal objects.