| http://www.w3.org/ns/prov#value | - When a Joule-Thompson expansion element is used for the cryoablation procedures of the present invention, a cold tip or some element located near the cold tip preferably includes at least one small opening that allows passage of a pressurized gas, such as nitrous oxide, carbon dioxide, or a mixed gas from an inner channel to a space having a larger volumetric capacity.
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