3.3. Patient Preparatory Procedures
1. The patient will undergo assessment for anesthesia by the attending physician (including the usage of
NSAIDs in patients with increased risk for DVT)
2. It is recommended to prepare the patient in a similar manner to what is done for colonoscopy. In the
morning of the treatment, apply a cleansing enema before inducing anesthesia.
3. Insert an I.V. line.
4. The attending physician should perform a rectal examination.
5. Administer general or epidural anesthesia (based on clinical decision). Vital signs monitoring will be
according to clinical standard of care for the applied anesthesia and the attending physician’s decision,
using MR compatible equipment. In any case, peripheral oxygen saturation and heart rate will be
monitored throughout the procedure.
6. Insert a urinary catheter (either a trans-urethra Foley or a supra-pubic, based on a clinical decision) to
ensure continuous adequate bladder emptying.
7. It is recommended to wrap patient legs with compression stockings, to reduce risk for DVT.
Then, cover patient legs with the leg sleeves (supplied in the treatment kit).
3.4. Patient Positioning and Probe Insertion
Once probe preparation for treatment is complete, perform the following steps for probe insertion:
1. Verify that the desired balloon volume is set and that the water system is in Treat mode and circulating.
2. Place the posterior part of the imaging coil on the Exablate Prostate table. Verify that an open space of
more than ½" (1¼ cm) exists between the sides and top of the scanner, coil cable and the coil itself.
3. Insert the imaging coil and the tracking coil cables connectors into the matching connectors within the
magnet bore. Verify that no loops were created by any cables (transducer cables, MR coil).
4. Place mattresses/padding on table, then cover it with the disposable cradle cover. Verify that the
mattresses/padding, cradle cover and any other disposable cover do not interfere with the cradle
movement in and out of the MR bore.
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