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PROCEDURE
Performing a Cryoablation Procedure
WARNING: Do not touch the screen if the touch-screen monitor goes blank for more than five (5) seconds
during a procedure. Immediately turn off power to the system and end the procedure to avoid inadvertent
activation of needles.
1� OPTIONAL: On the Procedure Screen , select the Registration button to enter optional patient treatment information�
Use your finger to enter information on the virtual keyboard� Available data entry fields are Patient ID, Hospital
Name, Hospital Address, Physician Name, and Organ Type� If you need to enter any other registration information,
two custom fields can be labeled in the Configure Settings Screen (reference the Configure Settings Section)�
NOTE: The Visual-ICE Cryoablation System automatically loads the appropriate Organ Map based on the Organ Type
selected on the Registration button�
CAUTION: Select a unique Patient ID that does not reveal the patient's identity to other system users�
2� OPTIONAL: Select the Notes button on the Procedure Screen to enter additional procedure notes� Notes can be
entered at any time during the cryoablation procedure�
3� Position the cryoablation needles and thermal sensors in the target tissue�
CAUTION: During use, avoid damage to the needle from other surgical instruments�
OPTIONAL: Reference the Organ Map Section for instructions on placing needles and thermal sensors on the Organ Map�
WARNING: Use image guidance to verify that the cryoablation needles are placed at the desired location prior to
activating a needle�
4� Select the desired Freeze Intensity using the drop-down menu�
NOTE: Throughout the procedure, monitor the amount of gas time remaining in the cylinders using the Gas Indicator
on the Navigation Tool Bar (Screen 30)� If it is necessary to change the gas cylinders during a procedure, follow the
instructions provided in the Changing Gas Cylinders during a Procedure Section�
Screen 30. Gas Time Remaining
5� Press the Freeze button on selected channels containing needles to begin the initial freeze phase of the procedure�
To adjust the freeze intensity, press the Freeze Intensity button and select the desired intensity from the drop-
down menu� The Freeze cycle will continue at the selected freeze level until this operation is changed or stopped�
WARNING: Continuously monitor iceball formation using image guidance such as direct visualization, ultrasound, or
Computed Tomography (CT) to ensure adequate tissue coverage and to avoid damage to adjacent structures�
Black (K) ∆E ≤5.0
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