Patent ID: 6533419
Filing Date: 2003-03-18
Classification: A61B

Abstract:
A flash recovery timing apparatus comprising:a) a tubular instrument body having a bore, first and second end portions, and a wall; b) an aperture at the first body end portion; c) a lens mounted in the aperture; d) a display positioned within the bore at the focal length of the lens so that a patient can focus on the display by looking through the lens; e) a strobe positioned within the bore for generating a bright flash of light within the bore; f) a switch for activating the strobe; g) a timer for measuring a patient's response time of viewing the display after the strobe is activated; h) stop means for stopping the timer responsive to the patient's ability to see the display, evidencing flash recovery, the stop means including a voice activated timer that times the delay between the strobe flash and the patient's voice activation; and i) storage means for recording and storing a plurality of the patient's flash recovery times.