Chemical wake-up mechanism for active electronics in pen injectors

A medicament injection system comprising:

• an injection device comprising:
• an energy source configured to power an electronic component,
• a priming component configured to convert a mechanical impulse into a trigger,
• a plunger configured to transmit the trigger from the priming component to a bearing,
• the bearing configured to provide firm mounting to an end of the plunger,
• a reactant included in the bearing and configured to initiate a thermochemical reaction that generates an instantiation signal transmittable through the bearing in response to receiving the trigger, and
• a sensor configured to detect and process the instantiation signal and generate an activation signal to activate the energy source, the activation signal comprising a wakeup signal to power the electronic component of the injection device;
• and
• an external device comprising an external processor configured to communicate with the injection device.

A method for powering an injection device, the method comprising:

• converting, by a priming component, a mechanical impulse into a trigger;
• transmitting, by a plunger, the trigger from the priming component to a bearing;
• initiating, by a reactant included in the bearing, a thermochemical reaction that generates an instantiation signal;
• transmitting, through the bearing, the instantiation signal;
• detecting, by a sensor, the instantiation signal;
• processing, by the sensor, the instantiation signal to generate an activation signal;
• and
• transmitting, by the sensor, the activation signal to an energy source, the activation signal comprising a wakeup signal to power an electronic component of the injection device.