Peak contact pressure sensor system including at least on channel (1) comprising a wall (13, 14) wherein the wall (13, 14) is configured to deform upon engagement with a force or pressure which exceeds a threshold level, and further wherein the channel is filled with a fluid or gas and a monitor (11) for monitoring changes in the state of the fluid or gas within the at least one channel (1).
PEAK CONTACT PRESSURE SENSOR SYSTEM (PCPSS) AND SMART BRAIN RETRACTOR SYSTEM (SBRS)