View ANZCA Professional Document PS54 in web browser
Electricity Supply
Step Down Transformers
Power Point
AC Circuit Terminology
Neutral-to-Earth Wire
Casing-to-Earth Wire (Class 1 Equipment)
Current | Consequence |
---|---|
1mA | The threshold of perception |
5mA | Accepted as maximum harmless current |
10mA | The “ let go” current above which sustained muscle contraction occurs |
50mA | The threshold of pain |
100mA | VF if current passes through heart |
6000mA | Burns if current density high |
Body Type Procedure
Cardiac Type Procedure
Body Protected Treatment Area
Cardiac Protected Treatment Area
Unipolar
Bipolar
Hazards & Safety
EMR spectrum
X ray | 0.001-10nm |
UV | 100-400nm |
Visible | 385-760nm |
IR | 700-10,000nm |
How it works
Uses
Type | Wavelength | Penetration | Absorbed by | Application |
CO2 | 10.6um | 0.2mm | water | Superficial lesions |
Nd:YAG | 10.64um | 30mm | water | Deeper lesion, eg tumour |
Argon | 0.48um | haemoglobin | Coagulation of vascular lesions |
Hazards
Safe Use