I. PATIENT SAFETY- CONT.
• Under certain conditions in SIMV, when the low peak pressure alarm is set correctly for assisted breaths, there
may be no low peak pressure alarm following a patient disconnect until the next assisted breath. This period may
be up to 100 seconds. As an added precaution, set the low PEEP/CPAP, low exhaled tidal volume and rate
alarms so that they are operative.
• Backup Rate is inoperative in Constant Flow mode.
• When an alarm parameter is turned off, Auto Set is deactivated for that parameter.
• The alarm ports on the front of the CV-2i+ should never be obstructed.
• For proper operation only the O
2 sensor supplied by Bio-Med Devices may be used.
• Never operate the Crossvent-2i+ without a battery since it will fail to operate if the plug-in power supply is
removed.
• To avoid risk of electrical shock when using the CROSSVENT with AC power connected, this equipment must
only be connected to a supply mains with protective earth.
• The screened ports on the back and bottom of the unit should not be obstructed when the ventilator is in use.
• Only qualified, trained, service technicians should attempt repairs and service when needed. Serious personal
injury and/or equipment damage can result if repairs are performed by unqualified personnel.
• It is imperative to verify that clinically appropriate alarm limits are fully operational following connection of the
ventilator to a patient.
• It is important to note that once a sensor has been turned off, the alarms for that sensor are inoperative.
• Breathing through the negative pressure relief valve requires a greatly increased work of breathing and only air is
provided. A situation in which the patient is breathing through this valve should be rectified immediately in order
to prevent possible adverse affects to the patient.
• It is extremely important that the Flow Trigger control be carefully adjusted to assure proper operation in the
CPAP mode.
• Under certain conditions in CPAP, in particular with high flows and low CPAP pressures, if the low peak pressure
alarm is set so that no false alarms occur, this alarm may be inoperative if a disconnect occurs. It is therefore
extremely important to have the low PEEP/CPAP and low Exhaled Tidal Volume alarms set correctly
• It is important in Backup modality to always set a correct rate, tidal volume and flow to insure proper ventilation in
case the patient becomes apneic.
• To obtain the full 3-minute duration of the Power Failure alarm, the Crossvent must have been powered on for at
least 1 minute.
• All safety measures must be observed when servicing this device. In particular, the ventilator must be turned off
and the power supply disconnected.
• Bio-Med Devices cannot be held responsible for any failure to adhere to the recommendations set forth in this
manual.
• The CROSSVENT must never be modified without prior expressed written consent from Bio-Med Devices.
• Auto-triggering or missed breaths may occur due to various conditions including, but not limited to, compliance,
resistance, rate, flow, PEEP, I:E ratio, and circuit characteristics.
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