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6. Workflow > 6.3. Preparing the patient
2.
Pour a small amount of degassed acoustic contact liquid onto the ultrasound window until the
membrane is fully submerged. Try to disturb the liquid as little as possible to avoid creating air
bubbles. Never shake the bottle used to store the liquid.
3.
Visually check that there are no air bubbles in the contact liquid. If any bubbles are visible, move
them to the edges of the ultrasound window.
4.
Place the gel pad on top of the ultrasound window, start with one edge then carefully "roll" the
pad into position ensuring no air gets trapped beneath it.
5.
Place an absorbing cloth on the Table Top around the ultrasound window to absorb spilled
contact liquid. Secure the cloth in place with adhesive tape.
6.
Place the gel pad holder around the gel pad.
7.
Place the appropriate mattresses, such as the footrest and other pads on the Table Top.
If your Sonalleve MR-HIFU system is equipped with DISC that has been installed as an upgrade,
always use a mattress so that there is no skin contact to DISC connectors and hoses.
8.
Protect the mattresses with disposable sheets.
9.
Test that the PESB works before starting the procedure.
10.
Run the membrane bubble detection scan (start a new exam and select Sonalleve ExamCard
"Verifications prior to the patient"). Verify that there are no air bubbles in between the membrane
and gel pad; remove air bubbles if detected.
Preparing the Table Top using DISC without a gel pad
To prepare the Sonalleve Table Top for the treatment session, when using DISC without a gel
pad:
1.
Pour a small amount of degassed acoustic contact liquid onto the DISC window membrane until
the membrane is fully submerged. Try to disturb the liquid as little as possible to avoid creating air
bubbles. Never shake the bottle used to store the liquid.
2.
Visually check that there are no air bubbles in the contact liquid. If any bubbles are visible, move
them to the edges of the DISC Table Top window.
3.
Place an absorbing cloth on the Table Top around the DISC Table Top window to absorb spilled
contact liquid. Secure the cloth in place with adhesive tape.
4.
Place the appropriate mattresses, such as the footrest and other pads on the Table Top.
If your Sonalleve MR-HIFU system is equipped with DISC that has been installed as an upgrade,
always use a mattress so that there is no skin contact to DISC connectors and hoses.
5.
Protect the mattresses with disposable sheets.
6.
Test that the PESB works before starting the procedure.
6.3. Preparing the patient
Patient preparation generally includes depilation, catheterization, and mild pain medication. For
detailed instructions, refer to the Application Guide.
WARNING
Check whether the patient has received medications, contrast agents, or has any
contraindications for MR. Check if the patient is receiving medications for any underlying
medical condition.
Instructions for Use
109745C2 / 02-2022
91 (192)
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