Mindray A7 Operating Instructions

Ventilation Modes Operations
5 - 12 046-004667-00 A7™ Operating Instructions
For the A7, in PCV mode, Tidal Volume Guarantee (VtG) can be enabled with the VtG setting.
When VtG is a value, then Pinsp is disabled. The ventilator attempts to deliver the set VtG while
maintaining the PAW at or below PlimVG. When VtG is Off, PlimVG is disabled and Pinsp is
enabled. Changing the value of Pinsp will automatically set PlimVG to the same value, but PlimVG
can be adjusted without affecting the value of Pinsp.
NOTE: In PCV mode, even when the PlimVG or Pinsp parameters are inactive,
they are restricted to the parameter relationship equations
PlimVG≥PEEP+5 and Pinsp≥PEEP+5. See section C.10 (page C-13)
"Ventilation Parameter Relationships".
FIGURE 5-11 Pressure Control Ventilation Tab
5.5.7.1 To Set PCV Mode
1. Select the PCV tab on the main screen.
2. Check that all PCV parameters are set appropriately.
If necessary, select the parameter softkey to edit the parameters settings (see FIGURE 5-11).
You can use the digital keyboard on the screen to enter the desired value, or continuously
press the or buttons to rapidly increase or decrease the parameter values.
3. Select the Set Mode softkey to confirm.
PCV parameters:
• VtG : Tidal volume guarantee
• PlimVG: pressure limit level of volume guarantee
• Pinsp: Peak inspiratory airway pressure
• Rate: Breath rate
• I:E: Ratio of inspiratory time to expiratory time
NOTE: The screen displays the calculated Tinsp when adjusting the I:E ratio.
• PEEP: Positive end-expiratory pressure
• Tslope: Rise time
NOTE: Before activating a new mechanical ventilation mode, ensure that all
related parameters are set appropriately.
5.5.8 Synchronized Intermittent Mandatory Ventilation (SIMV)
The A7 supports two modes of SIMV: SIMV-volume control (SIMV-VC) and SIMV–pressure control
(SIMV-PC).

Mindray A7 Specifications

General

Brand	Mindray
Model	A7
Category	Medical Equipment
Language	English