IceCure Medical Ltd.
DSR3210000 rev. D
ProSense™
Confidential
User Manual
63
Return to first page
The upper line is the maximum level of liquid nitrogen that should be filled and the lower
line is the minimum level of liquid nitrogen that should be filled. Do not overfill the
Dewar.
Figure 55: Frost on the Dewar border
Be aware that frost on the Dewar border may result in a lower performance because of
pressure leakage from the Dewar.
If there is frost,
safely wipe, using a dry cloth- the
Dewar border of ice before you insert it into the system.
Caution
Follow the detailed instructions on opening the Dewar storage - when you
want to replace a Dewar.
•
The Dewar must be properly filled prior to inserting the system.
•
In each Dewar fill, make sure that you are performing it properly.
•
The Dewar should never be stored with liquid nitrogen inside the system at the
end
of the working day.
•
For proper handling in order to ensure safety, please follow the cryogen supplier
instructions.
Warning
Liquid nitrogen may cause
, if there is not sufficient ventilation in the room,
serious
injury or burn if handled improperly. Local laws and safety rules regarding liquid
nitrogen Dewars should always be observed. Maintenance of liquid nitrogen
Dewars should be performed by authorized personnel only.
•
Check that the Dewar is filled properly and cover it with its sponge lid to transfer it
back to the system.
•
Check there is no frost on the Dewar after you filled it. If there is a frost on the
Dewar border, wipe gently the Dewar border prior to insertion to the system.
•
In the event that a Dewar is damaged, use another Dewar to continue the
procedure.
