Adjustable neck collar
$1
The blue-accented adjustable neck collar frequently used in emergency trauma and pre-hospital care typically refers to the Laerdal Stifneck Select Extrication Collar (or similar medical-grade rigid extrication devices).
Unlike soft, everyday orthopedic braces, this is a highly rigid, specialized piece of first-aid equipment engineered specifically to prevent any movement of the cervical spine during a suspected traumatic head or neck injury.