The present invention includes an adjustable head set held in place on the back of a patient's head when the patient leans back against a chair head rest. The head set includes self-preparing disposable monitors that provide good contact with the patient's head without prior skin preparation. The monitors...http://www.google.es/patents/US4770180?utm_source=gb-gplus-sharePatente US4770180 - Electroencephalographic head set with a disposable monitor
Electroencephalographic head set with a disposable monitor
