DAANCE Module 4
anesthesia machine
receives the oxygen and nitrous oxide from the supply lines, and through the use of flow
meters or valves on the machine, provides these gases to the patient
flow meters
- determine the ratio of the oxygen and nitrous oxide mixture as well as the rate at which it is
delivered.
- measured in liters/min
oxygen analyzer
- checks if enough oxygen is in the mix
- safe level is usually 20%
- alarm will sound if unsafe
vaporizer
- turns liquid anesthetics into gases for the anesthetic mix
- follow manufacturer's instructions for calibration and checks
, ventilator
- breathes for the patient with they can't using positive and negative pressures
- alarms should alert for high/low pressure or disconnects
- air patient breathes is circulated within a closed circuit with a specific system to remove CO2
regulator fail-safe
- stops N2O if O2 drops below safe lwvel (30%)
- need daily checks for leaks and patency, calibrate as recommended
scavenging system
- removes harmful gases and vapors from the room
- daily checks for leaks and patency, monitor nitrous oxide levels
color coded cylinders
standardized colors in US:
- O2 = green
- N2O = blue
- CO2 = gray
- compressed air = yellow
anesthesia machine
receives the oxygen and nitrous oxide from the supply lines, and through the use of flow
meters or valves on the machine, provides these gases to the patient
flow meters
- determine the ratio of the oxygen and nitrous oxide mixture as well as the rate at which it is
delivered.
- measured in liters/min
oxygen analyzer
- checks if enough oxygen is in the mix
- safe level is usually 20%
- alarm will sound if unsafe
vaporizer
- turns liquid anesthetics into gases for the anesthetic mix
- follow manufacturer's instructions for calibration and checks
, ventilator
- breathes for the patient with they can't using positive and negative pressures
- alarms should alert for high/low pressure or disconnects
- air patient breathes is circulated within a closed circuit with a specific system to remove CO2
regulator fail-safe
- stops N2O if O2 drops below safe lwvel (30%)
- need daily checks for leaks and patency, calibrate as recommended
scavenging system
- removes harmful gases and vapors from the room
- daily checks for leaks and patency, monitor nitrous oxide levels
color coded cylinders
standardized colors in US:
- O2 = green
- N2O = blue
- CO2 = gray
- compressed air = yellow
