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1. (WO2017189153) PRESSURE SENSOR IN PLUNGER HEAD TO WAKE UP ELECTRONICS

Pub. No.:    WO/2017/189153    International Application No.:    PCT/US2017/025085
Publication Date: Fri Nov 03 00:59:59 CET 2017 International Filing Date: Fri Mar 31 01:59:59 CEST 2017
IPC: A61M 5/315
A61M 5/48
Applicants: VERILY LIFE SCIENCES LLC
Inventors: SCHLEICHER, Brett
MIROV, Russell
KRASNOW, Benjamin
Title: PRESSURE SENSOR IN PLUNGER HEAD TO WAKE UP ELECTRONICS
Abstract:
A plunger head for a fluid injection device includes a transducer disposed in the plunger head to measure a compressive force when applied to the plunger head. The plunger head also includes a power source and a microcontroller disposed in the plunger head. The microcontroller is coupled to the power source and the transducer, and the microcontroller is coupled to enter a high-power mode in response to sensing application of the compressive force to the plunger head.