主权项 |
1. A concussion indicator comprising:
a base; a first impact capsule attached to the base, configured to provide a visual indication upon receiving an impact causing acceleration at a rate likely to cause a grade one concussion; a second impact capsule attached to the base, configured to provide a visual indication upon receiving an impact causing an acceleration at a rate likely to cause a grade two concussion; a third impact capsule attached to the base, and configured to provide visual indication upon receiving an impact causing an acceleration at a rate likely to cause a grade three concussion; wherein the impact capsules are arranged in ascending indicating order, the first impact capsule being adjacent to the second impact capsule, the third impact capsule being adjacent to the second impact capsule. |