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Three Phases of
Anaesthesia
A) First Phase:
Animal(s) are placed in the induction
chamber where they are initially
anesthetized with an exact concentration of
anaesthetic, typically isoflurane.
B) Second Phase:
Anesthetized animal is transferred from the
induction chamber onto a surgical bed with a
breathing device and mask that supplies a
constant flow of anaesthetic gas to keep the
animal safely anesthetized during
procedures.
C) Third Phase:
Animal is placed in a clean chamber for
recovery. |
1) Oxygen Source that can
be supplied from an in-house line or tank.
The oxygen functions as a carrier for the
anaesthetic gas and serves as a blending
agent to control the concentration of
anaesthetic.
2) Oxygen Regulator controls the pressure of
oxygen from its source into the flowmeter
that inputs into the vaporizer.
3) Flowmeter 1 controls the flow rate of
oxygen into the vaporizer.
4) Vaporizer
precisely blends oxygen and the
anesthetizing liquid to create an
anaesthetic gas at the exact concentration
level required.
5) Manifold distributes anaesthetic gas to
the induction chamber and the breathing
devices.
6) Flowmeter 2 controls the flow rate of the
anaesthetic gas output from the vaporizer
manifold to the induction chamber.
7) Induction Chamber facilitates initial
anesthetizing of animal before placing on
surgical bed for procedure. (Pictured with a
chamber warmer to maintain animal body
temperature.)
8) Oxygen Flush purges the induction chamber
of anaesthetic gas to ensure that no
anaesthetic is released into the room when
transferring animals from the chamber to the
surgical bed.
9) Breathing Device delivers precisely
controlled anaesthetic gas to the animal.
10) Nosecone provides a secure fit for the
delivery of anaesthetic gas from the
breather to the animal and minimizes the
escape of gas into the room.
11) Surgical Bed acts as a stable surface
for procedures and may be water-heated for
precise control of body temperature during
procedures.
12) Water Heating Pump provides precisely
controlled, circulating heated water to the
surgical bed and the induction chamber
warmer.
13) Charcoal Filter Canister captures
anaesthetic gas from all components
preventing escape of gas into the room. |
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Anatomy
of Anaesthesia
