Patent ID: 9566404
Date: 2017-02-14
CPC Classifications: A61B,A61M

Claim:
1. A medical vaporizer, comprising: a liquid drug reservoir configured to receive and hold a liquid drug; a low power graphical display configured to intermittently receive power, the low power graphical display operable to visually present information and maintain the visual presentation of information in the absence of power; a controller configured to intermittently receive power and upon receiving power, the controller operates to determine a status of the medical vaporizer and operates the low power graphical display to present the status of the medical vaporizer as visually presented information; and a fluid sensor associated with the liquid drug reservoir and while receiving power the fluid sensor measures a volume of the liquid drug present in the liquid drug reservoir; wherein the status of the medical vaporizer visually presented on the low power graphical display comprises the volume of liquid drug present in the liquid drug reservoir; and wherein in the absence or power to the controller, the fluid sensor, and the low power graphical display, the low power graphical display operates to maintain the visual presentation of the volume of liquid drug present in the liquid drug reservoir.