text: The Endocare PerCryo Percutaneous Cryoablation device utilizes argon as a coolant and can be used with four different single cryoprobe configurations with a diameter of either 1.7 mm (~16 gauge) or 2.4 mm (~13 gauge) in diameter .
  The Myoscience Iovera is a handheld device that uses nitrous oxide as a coolant and can be used with a three-probe configuration with a probe diameter of 0.4 mm (~27 gauge).