1) Easy Observation: This head immobilizer features two round ear holes on each side, allowing monitoring of bleeding or drainage during immobilization. 2) Resuscitation Ready: The design supports CPR and chest compressions during patient transfer. Its large drainage capacity and stability enable effective drainage and, in some cases, immersion in room temperature water for an adult. 3) Quality Material: The foam is made of NBR cotton, meets international 6P standard, and is easy to clean. 4) Application: This design allows the rescue board to be penetrated by X-ray, MRI and CT equipment, enabling easier and more convenient scans for the patient while minimizing discomfort. Use scenarios: - EMS and hospital transfer: immobilize the head during transport while enabling observation of drainage and ongoing monitoring. - Imaging procedures: keep the patient on the backboard during X-ray, MRI or CT scans to simplify scanning and reduce movement. - Water-related or immersion contexts: leverage the large drainage capacity to manage fluids when immersion is involved, aiding patient management while on the backboard.