Figure 7-3: Deformation Mode
7.2.11. Handling Probe Movements
At different time points (e.g., Positioning scans, advancing to Treatment Stage, prior to every sonication
and more), the system automatically initiates tracking scans to automatically detect the transducer
location.
This important feature enables the Exablate Prostate system to track the probe exact position, identify
significant movements of the probe, and even correct the transducer aiming (by means of electronic
steering) according to the identified displacement (in case of small probe movements – lower than 3mm
and 3 degrees).
When a significant (larger than 3mm or 3 degrees) probe movement is identified, the system will notify you
and recommend on updating the Current Anatomy Scans, a procedure which also runs a tracking scan to
update the system with the current probe location.
In case the system identifies a large transducer movement, verify that:
◼ Probe connections to the Motion Unit and the Positioner have not been loosened.
◼ The balloon water is not leaking.
◼ Patient is not moving (anesthesia and/or sedation level is sufficient).
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