2. Certification: ISO9001, CE,FDA
3. Features: *Designed and produced by our own company;
*Unique head/chin strap is used to conform patient's forehead
*Large ear holes for monitoring the patient's bleeding;
*External diameter of the hole: 6.8 cm.
*Can be penetrated by X-ray, MRI, or CT scan;
*Waterproof plastic coating makes it easy to prevents bacterial growth within components;
*Will not absorb blood or bodily fluids.