Patent ID: 9744297
Date: 2017-08-29
CPC Classifications: A61M,G16H

Claim:
1. A status sensor assembly for a multi-stage drug delivery device comprising: a first power supply circuit; a processor; a power switch isolating said first power supply circuit from said processor when the device is in an inactive stage and wherein in response to toggling of said power switch when the device is in said inactive stage said power supply circuit is connected to said processor, supplying power to said processor; said processor programmed to initiate an activated stage of the device in response to said supplying of power to the processor; a trigger assembly positioned to re-toggle said power switch upon engagement of the device to a subject; a sensor circuit indicating to said processor said re-toggling of said switch, said processor programmed to switch the device to a discharging stage in response to said indicating of said re-toggling; a driver responsive to said processor, said driver discharging the drug from the device when the device is in the discharge stage.