| 摘要 |
A headwear device includes an endothermic reactor and a trigger to initiate an endothermic reaction in a reactor while the headwear device is being worn on a wearer's head. The headwear device may preferably be utilized in, or conjunction with, a motorcycle safety helmet or similar crash protection device. The headwear device is intended to prevent or delay the onset of brain damage as a result of serious trauma or head injury. |
