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1 Affinity CP adapter
2 Drive motor receptacle
3 Receptacle clip
3. Open the receptacle latch and press the adapter into place. Release the latch to secure the adapter in place.
Warning: Ensure that the adapter is properly attached to the drive motor. Verify that the adapter is locked onto the drive motor.
Improper attachment may adversely affect adapter performance.
Caution: When inserting the adapter on the drive motor, ensure that the underside of the adapter is in close contact with the
receptacle of the drive motor and that the receptacle latch is in the locked position.
8.6 Inserting the Affinity CP centrifugal blood pump on the Affinity CP adapter
Insert the Affinity CP centrifugal blood pump on the Affinity CP adapter by performing the following steps:
1. Position the bottom of the pump over the adapter receptacle. Slip the pump under the retaining ledge.
2. Open the retaining latch and press the pump into place (Figure 6). Release the retaining latch and adjust the pump until the
retaining latch locks.
Figure 6. Inserting the Affinity CP centrifugal blood pump onto the Affinity CP adapter
1 Affinity CP centrifugal blood pump
2 Affinity CP adapter
Warning: Ensure that the pump is properly attached to the adapter. The pump should be secure under the retaining ledge and
the retaining latch of the adapter. Verify that the pump is locked securely and in close contact with the adapter receptacle.
Improper attachment may adversely affect pump performance.
3. To rotate the pump to the desired location, press the retaining latch, turn the pump, and release the retaining latch. Adjust the
pump until the retaining latch locks into place.
Caution: Prime the pump before starting circulation according to the directions in the pump's instructions for use. Operate the
pump, coupled to the drive motor with the adapter, at maximum RPM to check for vibration, unusual noises, lack of flow, and other
anomalies. If an anomaly is noted, refer to Chapter 9.
4. Proceed with extracorporeal circulation. Refer to the instructions for use supplied with each device.
Warning: Always have a spare Affinity CP adapter and backup equipment available with the appropriate protocol for
replacement. If the adapter needs to be replaced during circulatory support, the potential risk to the patient should be evaluated
before changing the adapter.
Warning: The Affinity CP centrifugal blood pump and the Affinity CP adapter are not compatible with operation in a pulsatile
mode.
Warning: Do not use the adapter at speeds greater than 3600 rpm. The adapter is not qualified for speeds greater than 3600 rpm.
8.7 Priming the Affinity CP centrifugal blood pump circuit
1. Using accepted aseptic technique to maintain a sterile fluid pathway, attach the appropriate tubing to the inlet and outlet ports of
the centrifugal blood pump.
2. If possible, flush the circuit and the pump with carbon dioxide (CO
3. Using gravity, fill the centrifugal blood pump with priming solution to a point beyond the pump outlet port and clamp. Remove air
from the outlet tubing.
Warning: Ensure that the centrifugal blood pump and circuit have been debubbled and primed properly before initiating bypass
to minimize the risk of air reaching the patient. The use of an arterial filter is recommended.
Warning: Massive air entry into the centrifugal blood pump causes the pump to deprime and blood flow to stop. Stop the pump
and remove air before resuming circulation.
4 Receptacle latch
5 Drive motor
3 Drive motor
).
2
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