Cryogenic analgesia unit

A cryogenic analgesia unit is a medical device that uses extreme cold to relieve pain by temporarily blocking nerve signals. It applies freezing temperatures to targeted tissues through a cooling probe, often guided by a nerve stimulator, to achieve reversible peripheral nerve blockade for managing postoperative or chronic intractable pain.

Devices in this category are regulated as medical devices based on their intended use and mechanism of action, with classification varying by jurisdiction according to risk. They are typically supplied as reusable systems with disposable or sterile probes, incorporating safety features to prevent tissue damage from prolonged freezing, such as controlled freeze-thaw cycles.