Operator’s Manual LTV
®
Series ventilator Page 1-3
p/n 10664, Rev. Y
Warnings
WARNING
Untrained Personnel – Only properly trained personnel should operate the ventilator. The LTV
®
Series ventilator is a restricted medical device designed for use by Respiratory Therapists or other
properly trained and qualified personnel under the direction of a physician and in accordance with
applicable state laws and regulations.
Leak Testing the Patient Breathing Circuit – The patient circuit must be leak tested in the VENT
CHECK mode before connection to the patient. In addition, the Ventilator Checkout mode should be
used to check for correct operation of the ventilator alarm, displays and controls. Harm to the patient
or ineffective ventilation may result from failure to leak test the patient breathing circuit before
connection to a patient. When using a heated humidifier, include it in the circuit when performing leak
testing.
Adjustable and Critical Alarms – For safety purposes, all adjustable alarms and all critical alarms
must be checked to insure proper operation.
Alarms Function Verification - All alarms must be verified as functioning properly on a daily basis. If
any alarm malfunctions, immediately contact a certified Pulmonetic Systems’ service technician or
Pulmonetic Systems.
Patient Monitoring - Patients who are dependent on a ventilator should be constantly monitored by
qualified personnel. Such personnel should be prepared to address equipment malfunctions and
circumstances where equipment becomes inoperative. An alternative method of ventilation should be
available for all patients dependent on the ventilator, and qualified personnel should be fully familiar
with emergency ventilation procedures.
Alternative Ventilation - It is recommended that an alternative means of ventilating the patient be
available at all times and that all ventilator operators be fully familiar with emergency ventilation
procedures.
Fire or Explosion - Operation of the LTV
®
Series ventilator in the presence of flammable gases could
cause a fire or explosion. Under no circumstances is the ventilator to be operated when explosive
gases are present. The presence of nitrous oxide or flammable anesthetics presents a danger to the
patient and operator.
Patient Breathing Circuit Disconnection - Inadvertent disconnection of the patient from the patient
breathing circuit can be dangerous.
Critical Alarms - Failure to set the critical alarms such as the Low Minute Volume alarm and the Low
Pressure alarm may cause non-detection (no alarm) for a disconnection of the lower sense line or the
exhalation valve drive line.
Exhalation Valve Diaphragm – Patient ventilation may be ineffective or dangerous if the exhalation
valve diaphragm is damaged or worn out. The exhalation valve diaphragm must be inspected on a
daily basis and replaced whenever necessary.
Sustained HIGH PRES Alarm - During a sustained High Pressure alarm condition (HIGH PRES), the
ventilator’s turbine is stopped and gas is not delivered to the patient. Disconnect the patient from the
ventilator and ventilate the patient using an alternative method. See Chapter 15 - Troubleshooting,
Alarms for additional information concerning the HIGH PRES alarm.
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