Sanofi
Integrating Electronics into the Stopper of a Cartridge

Abstract:

A stopper is configured to be disposed within a medical cartridge includes a shell defining a cavity and an exterior surface sized and shaped to fit inside the medical cartridge and an insert configured to be inserted into the cavity, where the insert includes an electronic device having a sensor configured to generate a sensing signal. The shell is configured to be advanced into the medical cartridge by a plunger to apply pressure to a substance contained in the medical cartridge and the shell is configured to pass the sensing signal therethrough. The sensor is configured to be responsive to the position of the stopper in the medical cartridge.