Mindray A7 Operating Instructions

A7™ Operating Instructions 046-004667-00 4 - 29
Preoperative Tests Preoperative Preparations
5. Stop inflating the manual bag and wait for more than 30 seconds to check that the Apnea
alarm occurs.
6. Inflate and squeeze the manual bag to ensure that the Apnea alarm cancels.
4.15.5 Test the Continuous Airway Pressure Alarm
1. Connect the manual bag to the manual bag port.
2. Set the O
2
flow to zero.
3. Turn the APL valve control to set the APL valve to 30 cmH
2
O position.
4. Set the Auto/Manual ventilation switch to Manual.
5. Connect the Y piece on the breathing circuit to the leak test port to occlude the patient end
of the breathing system.
6. Push the O
2
flush button for approximately 15 seconds. Ensure that the Continuous Airway
Pressure alarm occurs.
7. Disconnect the breathing circuit and check that the alarm cancels.
8. Reconnect the breathing circuit.
4.15.6 Test the High Paw Alarm
1. Set the Auto/Manual ventilation switch to Auto.
2. Select the Alarms softkey and then the Limits tab.
3. Set the PEAK low alarm limit to 0 cmH
2
O and PEAK high alarm limit to 10 cmH
2
O.
4. Ensure that a Paw Too High alarm occurs.
5. Set the PEAK high alarm limit to 40 cmH
2
O.
6. Ensure that the alarm cancels.
4.15.7 Test the Low Paw Alarm
1. Set the Auto/Manual ventilation switch to Auto.
2. Select the Alarms softkey and then Limits tab.
3. Set the Peak low alarm limit to 20 cmH
2
O.
4. Disconnect the test lung or manual bag from the Y-piece of the breathing circuit.
5. Wait for 20 seconds. View the alarm area and ensure that a Paw Too Low alarm occurs.
6. Connect the test lung or manual bag to the Y-piece of the breathing circuit. If using a
manual bag, squeeze the bag to cancel the alarm.
7. Ensure that the alarm cancels.
4.16 Preoperative Preparations
1. Ensure that the ventilator parameters and alarm limits are set to applicable clinical levels.
2. Ensure that the system is in the Standby mode.
3. Ensure that the equipment for airway maintenance, manual ventilation and tracheal
intubation, and applicable anesthetic and emergency drugs are available.
4. Set the Auto/Manual ventilation switch to Manual.
5. Connect the manual bag to the manual bag port.
6. Turn off all vaporizers.

Mindray A7 Specifications

General

Brand	Mindray
Model	A7
Category	Medical Equipment
Language	English