MTV1000 Ventilator System
22
User’s Manual
3.5.
Maintenance and Repair
Period of regular inspection and maintenance on this device and patient circuit system are
as described in the following table.
Period
Subject
Details
Daily
All bacteria filters
- Inspiratory filter
- Expiratory filter
Inspect whether all filters are
normally attached
Patient circuit system
Inspect
connection
state,
leakage,
clogging,
and
moisture
Collector vial, gas supply water
traps
Check moisture state and
empty it if necessary
When patient is changed, or at
least once every 15 days
Patient
circuit
system,
all
bacteria
filters,
and
humidification chamber
After replacement, used parts
are cleaned and sterilized
Every 6 months
Entire equipment
Perform test
Every year or after 100 times
of autoclave
All bacteria filters
Replacement to new filters and
disposal of used filters
Between 1 ~ 2 years
Oxygen cell
Replacement to new cell
Whenever necessary
Oxygen cell
Oxygen cell calibration using
O
2
/CAL button
Every 10,000 hours
Various auxiliary products
Replacement of parts using
10,000 Hours Service Kit.
CAUTION
User must inspect installation state and abnormalities in filters and patient circuit system
every day with unaided eyes. If abnormalities are found, corresponding parts must be
immediately supplemented or replaced.
CAUTION
When changing the patient or every 15 days when using the product long-term for a
patient, patient circuit system including all bacteria filters must be replaced. Used parts
must be cleaned and sterilized.
CAUTION
All components of patient circuit system excluding bacteria filters can be sterilized using
any of ETO (ethylene oxide) gas method, steam autoclave method, and chemical
sterilization method.
However, only steam autoclave method can be used for bacteria filters. Sterilization is
performed for about 20 minutes at 132˚C.
CAUTION
Bacteria filters must be replaced to new filters every year or when the number of
autoclaves reaches 100. For oxygen sensor, lifespan may be reduced by high FiO
2
or high
temperature.
