Instructions for use: Ikus - Berlin Heart

Replace the blood pump(s)
10. The view “Operating mode” appears in the monitoring program. Select Univentricular or
biventricular, then confirm the desired operating mode with . In biventricular
mode, the view “Pump size and single-step mode” follows. In univentricular mode, the
connector seal test follows first, ad then the view “Pump size and single-step mode”.
11. Pull the seal plug out of the connector. When replacing the left pump: red marked connector;
when replacing the right pump: blue marked connector! Insert the plug of the new driving
tube into the connector that has become free. The plug snaps audibly into place.
12. Check that the plug is firmly seated. To do so, pull the plug above the ribbed plug body.
Never pull on the tube!
13. Loosen the tube clamps on the cannulas.
14. In the monitoring program, move the cursor to the single-step mode field.
15. When replacing the left pump: Confirm “Step left” with to trigger a single-step.
With , trigger additional individual steps until the left pump is completely deaired.
If the pump is completely de-aired: Remove the de-airing needle. In the monitoring
program, move the cursor to “Step right”, then confirm with .
16. When replacing the right pump: Confirm “Step left” with to trigger a single-step.
Move the cursor to “Step right”, then confirm with to trigger a single-step. With
, trigger additional individual steps until the right pump is completely de-aired.
If the pump is completely de-aired: Remove the de-airing needle.
17. Move the cursor to OK, then confirm with . The system restarts with the set
parameters.
18. Observe the pump filling. If necessary, adjust the parameters.
19. Secure all the connections with cable tie straps.
12.1.3 Replacing the two blood pumps
Material
• 2 prepared replacement blood pumps (see Section 12.1.1, p. 76)
• 1 tube attachment set from accessory set (cable tie strap, cable tie pliers)
Warning!
• If the left blood pump is replaced in biventricular mode, the right pump must also be
stopped for the duration of the replacement to prevent overloading of the pulmonary
circulation (risk of pulmonary edema).
Instructions
1. Bring the patient into the Trendelenburg position.
2. Carefully cut through the cable tie straps on all the inflow and outflow cannulas.
Immediately check the integrity of all the cannulas.
3. If necessary, log on to the monitoring program: Enter the user number and password,
then confirm with .
4. Select the option “Drive pause”, then confirm with . Confirm the decision in the
dialog window with or . The Ikus stops.
5. As soon as the pumps have stopped, disconnect the cannulas underneath the pumps
and slide them off the pump.
6. Check the cannulas for deposits. If necessary, remove the deposits carefully.
7. Pull the driving tubes of the pumps out of the connectors. To do so, grab the plug by the
ribbed plug body and pull it out of the connector.
8. Close the connectors on the Ikus that have become free with seal plugs.
9. Moisten the free cannula ends with sterile saline solution. Ensure that they are
absolutely free of air. Connect the prepared replacement pumps to the cannulas.
10. The view “Operating mode” appears in the monitoring program. Select biventricular,
then confirm with . The “Pump size and single-step mode” view appears.
11. Pull the seal plug out of both connectors on the Ikus.
12. Insert the plugs of the new driving tubes into the connectors. While doing so, observe the
colored markings: Insert the driving tube of the left pump into the red marked connector,
and insert the driving tube of the right pump into the blue marked connector. The plugs
snap audibly into place.
13. Check that each plug is firmly seated. To do so, pull the plug above the ribbed plug body.
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