Anesthesia machine, It is a device that supplies a mixture of oxygen gas
and anesthetic agent to a patient,
this allows the patient to remain unconscious but breathing during surgery.
The device delivers oxygen while simultaneously ensuring that the patient
does not inhale the life threatening Co2 they previously exhaled.
Component of an anesthesia machine
Ventilator: used to keep the patient breathing during surgery
Breathing circuit: to keep the air and gases flowing to and from the patient safely
Scavenging system: to remove the used gases such as Co2
Safety mechanism: to ensure a patient’s well-being in the case of an emergency
Ventilator
It is essentially a set of external lungs, it breathes for deeply anesthetized patients
maintaining the patient’s regular respiratory rates and blood chemistry.
Breathing Circuit
They deliver the essential gases to a patient and subsequently eliminate the Co2 exhaled
Types of breathing circuit
Non-rebreathing circuit:
the gases once exhaled are eliminated from the system
and patient does not rebreathe them
Circle circuit
They remove the Co2 exhaled by the patient and
allow the rebreathing of the exhaled anesthetic gases.
Vaporizers help to add precise amount of anesthetics of the gas flow
the total gas flow enters the vaporizer which split the fresh gas
into a carrier gas and a bypass gas
the carrier gas receives the anesthetic agent
and then meet back up with the bypass gas
before entering into the patient’s breathing circuit
Operators can control the ratio of the split to decrease or increase
the gas concentration thus controlling the amount of
anesthetic a patient will receive
Scavenging system
It collects and expel anesthetic gases from the operating room
Active system: Suction removes gases
Passive system: allow the gas to escape through a ventilation exhaust
when anesthesia machine implore an active system doctors must protect
the patient’s airway from the suction device
by contrast, passive system require only pressure monitoring.
Anesthesia machine release a surprisingly
amount of greenhouse gases into the earth’s atmosphere hence the healthcare
industry’s push towards low flow delivery whenever possible.
Safety
Anesthesia machine has many alarms that inform the medical team
when a patient might be entering a critical or dangerous state
when the patient is connected to a ventilator during surgery the disconnect
alarms are activated.
the disconnect alarms are:
The one that inform the team of low pressure in the breathing circuit
Notifies of a low exhaled tidal volume
Cautions of low exhaled Co2
This three means the patient is in danger
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Where to purchase an anesthesia machine in Kenya
