resting EEG proportional headgear; resting EEG patient telemetry and receiver; resting EEG disposable electrodes; EEG hair parting tools; pediatric EEG headgear; pediatric EEG electrode anesthesia and neuromonitoring apparatus; sleep monitoring apparatus; defibrillation electrode pair and connector; defibrillation resistor box and cable adapters; defibrillation cables; defibrillation paddle adapters; defibrillation pads; RF return-defibrillation electrode pairs; RF defibrillation switch box; ECG double precordial strips; electrosurgery return electrodes; ECG long term ambulatory single electrode and ECG single precordial strip