Cardiovascular Systems, Inc. DIAMONDBACK 360 Peripheral Orbital Atherectomy System Exchangeable Series Instructions For Use Manual page 34

10. Load the new replacement OAD drive shaft over the existing guide wire.
11. Test the OAD crown advancement per the instructions in Section 11.6.1.
12.2. Completing the Atherectomy Procedure
To complete the atherectomy procedure, perform the following:
1. While the crown is spinning, retract the crown and drive shaft proximal to the lesion.
2. Stop the spinning crown and drive shaft by pressing and releasing the On/Off button
on top of the crown advancer knob.
3. Carefully remove the OAD drive shaft and crown from the introducer, guide sheath,
or guide catheter.
(Optional): Use the GlideAssist feature to facilitate retracting the OAD crown over
the guide wire.
Caution: Do not spin while retracting the crown within a guide catheter or touhy.
Damage to the guide catheter, touhy, and/or OAD may occur.
4. Press the green Start button on the OAS pump control panel to stop saline from
flowing through the saline tubing and verify that the green LED is not illuminated.
Turn off the OAS pump at the Master Power switch on the back of the OAS pump.
5. Disconnect the OAD power cord from the OAS pump.
6. Disconnect the saline tubing from the OAD and remove the saline tubing from the
OAS pump.
7. Remove and dispose of the guide wire and introducer, guide sheath, or guide
catheter according to standard hospital procedures.
8. Treat the puncture site according to standard interventional procedure protocol.
Note: The OAD, guide wire, and lubricant are designed for single-use only and
should not be reused or re-sterilized.
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