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Troubleshooting or Calibrating
WARNING:
• If an alarm occurs, safeguard the patient first before troubleshooting or repair
procedures.
• Abrupt discontinuation of INOMAX may lead to worsening oxygenation and
increasing pulmonary artery pressure, i.e., Rebound Pulmonary Hypertension
Syndrome. To avoid abrupt discontinuation, utilize the INOblender or integrated
pneumatic backup if necessary. If Rebound Pulmonary Hypertension occurs,
reinstate INOMAX therapy immediately. (See the INOMAX prescribing
Information for further details).
• If the high NO
proper setup while maintaining INOMAX delivery. Adjust INOMAX and/or FiO
as appropriate. (See INOMAX Prescribing Information for further details on
the effects of Nitrogen Dioxide, NO
increased NO
• Use caution when troubleshooting the INOmax DS
use for a patient. When possible, replace the unit in question and perform
troubleshooting procedure once the unit is removed from the MR scanner room.
• Do not perform a high calibration procedure in the MR scanner room.
Calibration equipment is a potential projectile hazard.
• Do not remove rear sensor cover in the MR scanner room due to potential
projectile hazard.
• Do not change any sensor while delivering NO to a patient.
• Loss of communication between the INOmax DS
cylinder for more than one hour will result in interruption of INOMAX delivery.
Use in a MR Environment
• A strong magnetic field such as that from an MRI system can affect the ability of
the INOmeter to detect if the cylinder valve is open. This can cause a "Cylinder
Valve Closed" alarm to occur when the cylinder valve is actually open. If this
alarm occurs, reposition/rotate the INOmax DS
Gauss area to reduce the magnetic interference in the area of the INOmeter
until the cylinder handle graphic on the display turns green. This will resolve
the "Cylinder Valve Closed" alarm. Typically the required INOmax DS
cart location adjustment is less than 6 inches (15 cm) / 90 degrees. Note that
Interruption of INOMAX therapy will occur one hour from point when the
"Cylinder Valve Closed" alarm is activated if the alarm is not resolved.
• Only use a size "88" (1,963 liters) cylinder that is marked "MR Conditional.
Keep cylinder at 100 gauss or less." with the INOmax DS
scanner room. Use of any other cylinder may create a projectile hazard.
• The INOmax DS
1.5 or 3.0 Tesla strength ONLY in areas where the field strength is less than 100
gauss.
• This device contains ferromagnetic components and hence will experience
strong attraction close to the magnet. It should be operated at a fringe field of
less than 100 gauss.
• Do not exceed 100 gauss; system operation may be impacted. Confirm cart
auto-brake function. Optionally connect tether.
• Verify at least one gauss alarm is functioning properly prior to use.
• Do not use the INOmax DS
Part No. 20568 Rev-02
2015-08
alarm activates, the delivery system should be assessed for
2
). If unable to determine the cause of the
2
levels, call technical support and do not discontinue therapy.
2
Plus MRI is classified as MR Conditional with MR scanners of
IR
Plus MRI if neither gauss alarm is functional.
IR
Plus MRI while in
IR
Plus MRI and the INOMAX
IR
Plus MRI cart outside the 100
IR
IR
Plus MRI while in the
IR
2
Plus MRI
v
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