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Traumatic brain injuries and other neurological emergencies can cause serious, lasting damage within minutes — yet most cooling treatments are locked inside hospitals or rely on ice that has to be frozen, transported, and applied.

ReadiFreeze aims to design and build a wearable cooling helmet or vest that cuts out those steps by using compressed CO₂, circulating tubing, insulation, and temperature sensors to deliver controlled cooling directly and immediately after a traumatic injury — before a patient can even reach a hospital. This same approach could extend to cooling athletes, military working dogs, and anyone in high-heat or high-stakes environments where current options fall short and rapid cooling is needed.

If successful, this kind of portable, on-demand cooling technology could change how a school nurse, first responders, and military personnel handle neurological emergencies in the field — reducing long-term damage, improving survival outcomes, and making rapid cooling accessible far beyond the clinic.