Vapotherm Precision Flow User Manual
QUICK REFERENCE GUIDE
Battery low
or charging
(not indicative of
charge level)
Blocked tube
General fault
Water out
Alarm mute
LED
Alarm mute
button
Setting
Control
Knob
Disposable
Water Path
faulty or
absent
Low Flow
Circuit
Installed
High Flow
Circuit
Installed
Vapor Transfer
Cartridge fault
Gas supply
fault
Run/Stop
Status LED
Run/ Standby
button
This guide provides you with basic instructions on how to set up and operate
the Precision Flow®. Before operating the Vapotherm Precision Flow®, please
review the Instructions For Use which can be found at our website
www.vapotherm.com and on the USB drive provided in the Start-Up Kit.
ALARM ICON WARNING INDICATES CAUSE ACTION
ALARM ICON WARNING INDICATES CAUSE ACTION
Primary Indications:
Precision Flow® is intended for use to add warm moisture to breathing gases from an external source for
administration to a neonate/infant, pediatric and adult patients in the hospital, subacute institutions, and home
settings. It adds heat and moisture to a blended medical air/oxygen mixture and assures the integrity of the
precise air/oxygen mixture via an integral oxygen analyzer. The ow rates may be from 1 to 40 liters per minute
via nasal cannula.
Contraindications: General:
• Not appropriate for patients who are not spontaneously breathing, are unable to protect their airway or have anatomic or
injury induced blockage of the nasal pathway to the nasopharyngeal space
• Not for treating OSA and snoring
• The Precision Flow® is not for eld transport
• The Precision Flow® is MRI unsafe. Do not use it in an MR environment.
Additional patient monitoring including pulse oximetry is necessary if the Precision Flow® is used to give
supplementary oxygen.
Precision Flow® Packaging contains:
Precision Flow® Unit
Power Cord
US ONLY - Air and Oxygen Hoses
Check gas supply. If not
GENERAL FAULT
and
– – IN FLOW
(FLASHING)
Malfunction of
sensor or control
system
Internal
component failure
corrected, disconnect patient.
Unplug AC power, press and
hold Run/Standby button for
3 seconds to clear the alarm,
send for service.
GENERAL FAULT
and
– – IN 0
2
(FLASHING)
O₂ sensor fault
Depleted or
defective O₂ sensor
Unplug AC power, press and
hold Run/Standby button for
3 seconds to clear the alarm.
Replace O2 sensor. Restart unit.
Cannot be corrected by user:
GENERAL FAULT
and
– – IN TEMP
(FLASHING)
Temperature
out of range.
Overheating or
temperature sensor
malfunction.
disconnect patient. Unplug AC
power, press and hold Run/
Standby button for 3 seconds
to clear the alarm, send for
service.
No water in dispos-
WATER OUT
able
water path. Gas ow
continues without
heating or water
Sterile water empty,
or obstructed inlet
tube.
Replace water bag or straighten
inlet tube. Restart unit. If alarm
persists, disconnect patient
from therapy.
circulation.
If disposable water path is
present, place unit into
Standby, remove and replace
disposable patient circuit to
reset detector. Restart unit.
DISPOSABLE
WATER PATH
(FLASHING)
BATTERY
CHARGING
(STEADY)
Disposable water
path faulty or not
detected. Unit will
not run.
Disposable water
path defective, not
properly seated or
not installed.
The internal battery backup is not fully charged. The unit would not run on
battery for the full rated time in the event of a power failure. No action is
necessary.
The unit is running
BATTERY
(FLASHING)
in BATTERY mode.
Gas ow and
blending continues
without heat or
water circulation.
AC power is
disconnected
Reconnect AC power.
Obstructed or
BLOCKED TUBE
(FLASHING)
High back pressure
kinked cannula/
delivery tube, incorrect cannula for
Clear obstruction, check
cannula type, re-install DPC
ow rate or DPC
improperly seated
GENERAL FAULT ALARMS:
indicated by this icon accompanied by the Temp display showing numbers between 50 & 84 (error codes) and
dashes in O₂ and Flow displays. When an error code is displayed, gas delivery is stopped. The user needs to monitor
the treatment and respond to general fault alarms. General Fault alarms cannot be silenced with the mute button.
To reset, rst disconnect the unit from AC power and then press the Run/Standby Button. With the exception of O₂
sensor replacement, the unit must be repaired by an approved service facility.
Failures in the control or measurement systems will cause a General Fault alarm
CANNULA FLOW RATES
CARTRIDGE CANNULA TYPE OPERATIONAL FLOW RATES
High Flow Adult, Pediatric/Adult Small, Pediatric Small* 5-40 liters per minute (L/min)
Low Flow Premature, Neonatal, Infant, Intermediate Infant,
Solo, Pediatric Small*
*Pediatric Small cannula is intended to deliver ow rates of 1-20 L/min
1-8 liters per minute (L/min)
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