Keeler Cryomatic MKII Cryo-Console

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Keeler Cryomatic MKII Cryo-Console  comprises a control console and interchangeable Cryo probes which are connected to the console for use. The re-usable Cryo probe can be sterilized by autoclaving or other approved methods. The system requires mains electricity and Nitrous Oxide or Carbon Dioxide gas to function, this is the responsibility of the user.

Console

The Keeler Cryomatic MKII Cryo-Console is a self contained system. The console provides the connection point for the Cryo probe, footswitch, mains electricity, gas supply and scavenging system. Freeze cycles are controlled by the user operating the footswitch. When the footswitch is depressed the Cryo probe freezes and when the footswitch is released the Cryo probe defrosts. Routine functions, like purging the Cryo probe are performed automatically when the Cryo probe is connected to the system.

Cryo Probes

Disposable and reusable Cryo probes are connected to the Cryomatic MKII console via a simple quick release coupling. The system will not operate until this connection is correctly made.
Each Cryo probe is a complete assembly and no attempt should be made to dismantle or separate the coupling from the probe. When the footswitch is pressed, high pressure cryogen gas is
circulated through the Cryo probe, rapid gas expansion in the probe tip causes freezing according to the Joule-Thompson principle. The freezing zone of the Cryo probe is limited so that
the iceball propagates at the tip. When the footswitch is released, an active de-frost is caused by the equalisation of pressure on either side of the Joule-Thompson nozzle. The gas condenses
releasing its latent heat causing a rapid de-frost. The Cryo probe assembly is re-usable and as such is fully autoclaveable according to the procedures outlined in this manual.