A fuel supply system includes a fuel pump, a storing part, an injection nozzle, a communication part, a first fuel source, a second fuel source, and a fuel transfer passage part. The security protocol includes a first handshake phase to issue attestation identity credentials, and a second handshake phase to authenticate based on the attestation identity credentials issued in the first handshake phase. A flow resistor in the catheter provides for infusion andor aspiration to be concentrated primarily at a clot treatment area in a blood vessel while also providing optional infusion andor aspiration distal to the treatment area. The imaging device is pivoted into a rest position when the inking unit and, if appropriate, damping unit is pivoted into the printing position and, when the imaging device is pivoted into the imaging position, the inking unit and, if appropriate, the damping unit is pivoted into a rest position.