128 / | HD | SURGERY |
846 | DF | BODY PROTECTING OR RESTRAINING DEVICES FOR PATIENTS OR INFANTS (E.G., SHIELDS, IMMOBILIZERS) {8} |
857 | DF | .~ Head or face protector (e.g., lips, ears, etc.) {4} |
864 | .~.~ Aural protectors (e.g., ear) {3} | |
865 | DF | .~.~.~> Inflatable or expandable |
866 | DF | .~.~.~> External ear or head mounting means |
867 | DF | .~.~.~> With noise or pressure attenuating means (e.g., dampening, filtering, etc.) {1} |