Prima 451 – User Manual 5
2. Purpose
The Prima 451 anaesthetic machine is for use by a
professional operator n a professonal healthcare
envronment, and must be continually attended when in use.
The device is intended to provide controlled concentrations
and flows of anaesthesia gases into a patient breathing
system, from where the anaesthesia ventilator and
breathing circuit will then deliver this fresh gas mixture to
the patient.
Use the device in conjunction with anaesthetic vaporizers,
breathing hoses and patient connection fittings which
comply with the relevant ISO standard or equivalent.
Depending upon the patient circuit selected, the machine
can be used in open, semi-open, semi-closed or closed
circuit configurations.
Magnetic resonance imaging (MRI) environment
The Prima 451 is a MR-conditional machine and includes
special components that allow it to operate in a MRI
environment (see section 4.11 and Appendix 5).
as
s
upp
l
e
s
Three gases - oxygen, nitrous oxide, and air.
Pin-index cylinder yokes (2), and provision for up to three
pipeline supply inlets.
Vaporizer
mounting
sys
t
e
m
s
Backbar manifold for Selectatec Compatible type
vaporizers.
Anti-hypoxic
Device (
A
HD)
The mechanical AHD system is designed to minimise the
risk of a hypoxic mixture reaching the patient (see section
3.4).
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