Patent ID: 6339421
Filing Date: 2002-01-15
Classification: A61M,G09G,H01H

Abstract:
An apparatus for administering continuous positive airway pressure to a patient, comprising:a housing; at least one switch provided on the housing and including a switch operating member; and a graphical display integrally formed with the switch operating member, the graphical display including: a printed circuit board, a plurality of surface-mounted light-emitting diodes arranged in a matrix on a surface of the printed circuit board, and a display including a light transmitting display surface provided as part of the switch operating member and a plurality of elongate light conduits integrally formed with the display and structured to transmit light from a respective portion of said matrix of light emitting diodes to a portion of the display surface such that information generated by operation of the apparatus is displayed graphically on the display surface, wherein said switch operating member is associated with said plurality of said light conduits, each of said plurality of light conduits being provided with a respective one of said plurality of light-emitting diodes, said display surface being provided as part of said switch operating member and including a plurality of display portions corresponding to said plurality of light conduits so as to reproduce alphanumeric characters upon selective activation of the light-emitting diodes.