A sensor arrangement for mounting on a guidewire or catheter

An apparatus, comprising:

• an intravascular catheter or guidewire comprising:
• a first sensor;
• and
• a sensor connection arrangement,
• wherein the first sensor and the sensor connection arrangement are physically distinct from one another,
• wherein sensor connection arrangement comprises:
• a foil configured for conduction of electrical signals;
• and
• a first terminal structure electrically coupled to the foil,
• wherein the first terminal structure comprises a first side and an opposite, second side, wherein the first side of the first terminal structure is attached to the foil,
• wherein the foil comprises a first fold such that the second side of the first terminal structure is positioned over the foil,
• wherein the first sensor is positioned over the foil.