Abstract: An infusion set adapter connects to an infusion set for delivering a medicament to an injection site from a medicament source. The infusion set adapter can include a housing a controller, a power source, and at least one sensor configured to detect a characteristic of the infusion set adapter, infusion set, infusion site, and/or the medicament source. The controller can process information received from the one or more sensors and cause an action to occur in response to the received and processed information. The housing can include a retention member to connect the infusion set adapter to the infusion set. An infusion set include components of the infusion adapter above integrated therein. Methods of operating infusion sets and infusion set adapters are also disclosed.

Abstract: An injector includes an injector housing defining a skin contact surface and an injection needle supported within the housing and movable from a retracted position to an injection position. A circuit board is supported within the housing and movable with the injection needle, the circuit board including an electrically disconnected circuit having a contact surface. An electromechanical sensor is also supported within the housing and movable with the injection needle.