An intravascular system, comprising: an intravascular device comprising: a flexible elongate member having a proximal portion and a distal portion, at least one electronic component secured to the distal portion of the flexible elongate member, and at least one electrical connector (122, 124, 126) secured to the proximal portion of the flexible elongate member, wherein the at least one electrical connector is electrically coupled to the at least one electronic component secured to the distal portion of the flexible elongate member; and a connector (104; 170; 200; 300) having at least one electrical contact (214, 216, 218, 220, 222; 314, 316, 318, 320, 322) configured to interface with the at least one electrical connector of the intravascular device, the connector including a first connection piece (140; 180; 202; 302) and a second connection piece (142; 182; 204; 304), wherein the first connection piece is movable relative to the second connection piece between an open position and a closed position, wherein in the open position an elongated opening is formed between the first and second connection pieces to facilitate insertion of the at least one electrical connector between the first and second connection pieces in a direction transverse to a longitudinal axis of the intravascular device and wherein in the closed position the at least one electrical contact is electrically coupled to the at least one electrical connector received between the first and second connection pieces; characterised in that the first connection piece includes at least one visual indicator (152, 154, 156; 192, 194, 196) for aligning the at least one electrical contact of the connector with the at least one electrical connector of the intravascular device. an intravascular device comprising: a flexible elongate member having a proximal portion and a distal portion, at least one electronic component secured to the distal portion of the flexible elongate member, and at least one electrical connector (122, 124, 126) secured to the proximal portion of the flexible elongate member, wherein the at least one electrical connector is electrically coupled to the at least one electronic component secured to the distal portion of the flexible elongate member; and a flexible elongate member having a proximal portion and a distal portion, at least one electronic component secured to the distal portion of the flexible elongate member, and at least one electrical connector (122, 124, 126) secured to the proximal portion of the flexible elongate member, wherein the at least one electrical connector is electrically coupled to the at least one electronic component secured to the distal portion of the flexible elongate member; and a connector (104; 170; 200; 300) having at least one electrical contact (214, 216, 218, 220, 222; 314, 316, 318, 320, 322) configured to interface with the at least one electrical connector of the intravascular device, the connector including a first connection piece (140; 180; 202; 302) and a second connection piece (142; 182; 204; 304), wherein the first connection piece is movable relative to the second connection piece between an open position and a closed position, wherein in the open position an elongated opening is formed between the first and second connection pieces to facilitate insertion of the at least one electrical connector between the first and second connection pieces in a direction transverse to a longitudinal axis of the intravascular device and wherein in the closed position the at least one electrical contact is electrically coupled to the at least one electrical connector received between the first and second connection pieces; characterised in that the first connection piece includes at least one visual indicator (152, 154, 156; 192, 194, 196) for aligning the at least one electrical contact of the connector with the at least one electrical connector of the intravascular device.