Critically ill (ICU) unconsciousness bed patient, the cognition barrier (and) had the bodily function barrier patient or the cognition barrier patient use the medical service instrumentation equipment to be pleased in the electricity guardianship meter, the blood vessel leave alone the needle and so on.
, the behavior disorder patient, the appraisal have the patient, the dementia who throws down the danger have damage themselves or other people tendency patient. Prevents the patient to appear scratches, damages, falls the bed or the cupping, the self-inflicted injury as well as he injuries and so on accidents to occur;