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Cocoon CWS 4000 - Introduction

Cocoon CWS 4000
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Care
Essentials
CWS4000
Cocoon
Warming
System
Service
Manual
1.
INTRODUCTION
It
is
a
pre-requisite
for
all
persons
skilled
in
servicing
medical
devices
to
understand
the
information
contained
in
this
Manual.
Read
and
understand
this
Manual
and
the
Operator
Manual
and
all
precautions
prior
to
servicing
the
Cocoon
Convective
Warming
System.
When
used
with
Care
Essentials
patient
warming
blankets,
the
Care
Essentials
CWS4000
provides
a
continuous
method
of
warming
patients
and
is
intended
for
preventing
and
treating
hypothermia.
The
Cocoon
Convective
Warming
System
consists
of
a
CWS4000
and
a
warming
blanket.
A
connecting
hose
conducts
heated
air
from
the
CWS4000
to
the
warming
blanket.
Figure
1
Convective
Warming
System
Care
Essentials
recommend
that
a
program
of
regular
routine
maintenance,
electrical
safety
and
performance
inspections
be
instituted
for
the
CWS4000
as
described
in
Section
4
below.
The
CWS4000
is
a
mains-powered,
microprocessor-controlled
device
that
delivers
a
continuous
flow
of
temperature-controlled
air
through
a
flexible
hose
to
the
warming
blanket.
The
temperature
of
the
air
delivered
to
the
blanket
can
be
set
to
one
of
six
settings:
ambient,
34°C,
37°C,
40°C,
43°C,
or
46°C.
When
a
temperature
of
46°C
is
selected,
the
setting
automatically
drops
to
43°C
after
10
minutes.
The
CWS4000
will
not
cool
the
air
delivered
to
the
blanket
below
the
ambient
temperature
of
the
room.
Air
is
drawn
into
the
rear
of
the
CWS4000
and
passes
through
a
bacteriological
HEPA
filter.
The
CWS4000
includes
a
number
of
under-
and
over-temperature
prevention
systems
and
in
a
temperature
fault
condition
it
automatically
shuts
down
and
signals
an
alarm.
This
Manual
presents
all
the
relevant
service
information
for
the
Care
Essentials
CWS4000
Cocoon
Warming
System.
This
information
is
provided
as
a
service
to
engineering
and
technical
personnel.
This
information
is
intended
for
the
fair
purposes
of
operation
and
maintenance
of
the
CWS4000.
It
is
provided
as
Commercial-In-Confidence
material
to
the
Care
Essentials
Distributor
or
CWS4000
owner
and
shall not
be
made
available
to
any
other
organization
or
person
without
the
specific
written
permission
of
Care
Essentials.
Revision
|
13
June
2006
Page
2

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