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Vacuum Module
X
TRA
Operator’s Manual
20077/021 US
13-5
When the X
VAC
vacuum module is installed, the vacuum displet is present in the lower-left corner of
the displet area in the Setup Screen, Ready Screen, all Processing Screens, and the End Case Screen.
Refer to “The Displets” on page 5-3 for a review of the displet concept.
The vacuum displet contains two controls: the Vacuum button, which toggles the vacuum pump ON
and OFF; and the vacuum level text box, which controls the vacuum’s negative pressure setpoint.
In addition, the vacuum displet will contain the text “Intra” or “Post-op” indicating the mode it is
currently set to operate in.
Touching the Vacuum button once activates the vacuum. While activated, the button appears
green and depressed. Touching the Vacuum button a second time deactivates the vacuum
and the button returns to a blue and raised appearance.
The pressure of the vacuum is controlled by the value of the vacuum level text box. This value can be
changed in the same manner as other X
TRA
parameters (as explained in “Modification of Parameters”
on page 5-5).
Note: If a hospital vacuum is used, the hospital procedures for use of that vacuum apply. As stated
in the Warning above, t is recommended that the vacuum be regulated to a maximum (in absolute
value) of 150 mmHg (20 kPa).
Performing an Intra or Post Blood Collection Procedure
1. Ensure the module is powered on (the on/off switch located on the rear panel of the vacuum
module must be switched on).
2. Refer to the vacuum displet that appears on the X
TRA
touch screen display and check the
aspiration mode (Intra or Post). If the desired aspiration mode is not set, the operator has three
ways to change it:
◊ By changing the currently active operating protocol from the Protocol/Mode Tab of the
Menu Screen. Refer to “Set the Active Protocol” on page 5-35 for instructions on changing
the active operating protocol. When the current protocol changes (for example from Pstd to
Popt), the system will communicate to the X
VAC
module the corresponding change in
aspiration mode: Post, if a postoperative protocol is selected; otherwise, Intra. The current
aspiration mode of the X
VAC
module is always indicated in the Vacuum displet.
◊ Through the Settings Tab of the Menu Screen before the pump loop has been loaded. Refer
to “Settings Tab” on page 5-48. If a change occurs while the vacuum pump is on, an
automatic stop of the pump will be executed.
◊ When an “Inconsistent vacuum mode” warning occurs during setup.
3. Set the target set point to the desired value using the Vacuum displet:
◊ Touch the value in the displet
◊ Use the up and down arrow buttons to adjust the value
◊ Touch the value a second time to confirm the new value
4. Touch the Vacuum button in the Vacuum displet to start the vacuum pump. While the pump is on,
the Vacuum button will appear inset and green. On the X
VAC
’s control panel, the LCD display will
show the same set point as the Vacuum displet.
Note: While the pump is running, it is possible to adjust the set point as described in step 3. It is
not, however, possible to change the aspiration mode (i.e. switching from Intra to Post mode). Before
changing the aspiration mode, for example when changing the active protocol from the X
TRA
’s touch
screen interface, the vacuum pump will be stopped
5. To end the blood collection procedure, touch the (green) Vacuum button in the Vacuum displet.
The pump will stop and the aspiration pressure value will quickly return to atmospheric pressure.
WARNING
To minimize blood cell trauma, LivaNova recommends that vacuum
levels no higher than (in absolute value) 150 mmHg (20 kPa) be
used when aspirating fluid from the surgical field.
i
i
Guidelines for blood recovery and reinfusion in surgery and trauma . Bethesda, MD;
American Association of Blood Banks, 1997: 19-22.