An intravascular system, comprising: an intravascular device comprising a proximal connection portion having at least one electrical contact (132, 134, 136), wherein the proximal connection portion includes a first section having a first diameter and a second section having a second diameter less than the first diameter; and a connector configured to interface with the proximal connection portion of the intravascular device, the connector including a first connection piece and a second connection piece, the second connection piece having at least one electrical contact (214, 216, 218, 220, 222) secured thereto; wherein the second connection piece is movable relative to the first connection piece between an open position and a closed position, wherein in the open position the second connection piece is configured to receive the proximal connection portion of the intravascular device in a direction transverse to a longitudinal axis of the intravascular device such that an alignment feature of the first connection piece engages the second section of the proximal connection portion of the intravascular device; characterised in that the first connection piece of the connector includes a recess sized and shaped to receive a section of the proximal connection portion that includes the at least one electrical contact; and the at least one electrical contact of the connector is secured to the second connection piece such that the at least one electrical contact of the connector is spaced from the recess of the first connection piece in the open position and extends across the recess of the first connection piece in the closed position. an intravascular device comprising a proximal connection portion having at least one electrical contact (132, 134, 136), wherein the proximal connection portion includes a first section having a first diameter and a second section having a second diameter less than the first diameter; and a connector configured to interface with the proximal connection portion of the intravascular device, the connector including a first connection piece and a second connection piece, the second connection piece having at least one electrical contact (214, 216, 218, 220, 222) secured thereto; wherein the second connection piece is movable relative to the first connection piece between an open position and a closed position, wherein in the open position the second connection piece is configured to receive the proximal connection portion of the intravascular device in a direction transverse to a longitudinal axis of the intravascular device such that an alignment feature of the first connection piece engages the second section of the proximal connection portion of the intravascular device; characterised in that the first connection piece of the connector includes a recess sized and shaped to receive a section of the proximal connection portion that includes the at least one electrical contact; and the at least one electrical contact of the connector is secured to the second connection piece such that the at least one electrical contact of the connector is spaced from the recess of the first connection piece in the open position and extends across the recess of the first connection piece in the closed position.