TREATMENT STAGE
Manual Part Number
◼ When highlighted in yellow, the spots predicted dose is closer to an LEDR than the recommended
threshold. Check the location of the spot and its parameters and assess if the clinical situation allows
this sonication.
When a spot is not green, the reason is displayed in the information box at the top-right
side of the screen by clicking on the spot.
[N-33]
3. Based upon the examination of the actual (measured) dose of previous sonications, changes to the
treatment plan are possible at any stage during a treatment:
◼ Sonication parameters (such as Energy, Power, Delay between sub-spots, Separating Anterior and
Posterior Sub-Spot Layers).
◼ Change Thermal scan parameters (MR protocol, Frequency direction).
◼ Utilizing the Repeat Under-Heated Regions mode.
Before each sonication, confirm that the water system is functioning properly and that:
◼ There is no significant water loss from the balloon by visually reviewing the Axial
and Sagittal Current Anatomy scans.
◼ The blue Circulation Controller on the operator's console is illuminated
continuously, meaning water is circulating.
[W-24]
4. Click this button to apply the ultrasound energy.
5. During the sonication, the following factors should be monitored:
◼ The evolving temperature rise and dose during sonication.
◼ Patient movements, by observing the Rectal Wall and Prostate Capsule drawings on the updated
MR anatomical images.
◼ The real-time images to ensure coupling and verify no air bubbles entered the interface between the
balloon and the rectal wall.
◼ Spectrum signal during the transmission of the acoustic energy.
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