Abstract: Aspects of the disclosure relate to devices, systems, and methods for connecting or removing one or more interposer assemblies from a controller, replacing a used interposer assembly with a new interposer assembly, and connecting or removing a medical device from such an interposer assembly. The one or more interposer assemblies for connecting the medical device to a controller may comprise a housing defining a front-facing socket for removably receiving a connector of the medical device, and at least one electrical connector on a rear face of the housing, the at least one electrical connector for removable connection to the controller.