Interventional device comprising a sensor interconnection region for making electrical contact to a sensor disposed on the interventional device; the interventional device comprising: an electrically conductive elongate shaft having a longitudinal axis (A - A'); and a sensor strip comprising the sensor, a first electrical conductor, a second electrical conductor, a first polymer layer, a second polymer layer and an electrical shield layer; wherein the first electrical conductor, the second electrical conductor and the sensor are disposed between the first polymer layer and the second polymer layer and on a first side of the first polymer layer; and wherein the electrical shield layer is disposed on a second side of the first polymer layer; wherein the first electrical conductor and the second electrical conductor are in electrical contact with the sensor and extend along a length direction of the sensor strip between a sensor region that includes the sensor and a window within which the first polymer layer and the electrical shield layer are removed for exposing the first electrical conductor and the second electrical conductor; and wherein the electrical shield layer extends along the length direction of the sensor strip between the sensor region and an electrical shield contact portion adjacent the window; and wherein the sensor strip is wrapped around the elongate shaft in the form of a spiral such that the electrical shield layer faces outwards, and such that the first electrical conductor and the second electrical conductor both extend along the longitudinal axis (A - A') within the window, and such that the electrical shield contact portion adjacent the window, the window, and an exposed portion of the electrically conductive elongate shaft beyond the wrapped sensor strip provide the sensor interconnection region; and characterized in that the electrical shield layer comprises a distal end nearest the sensor region and a proximal end adjacent the window, wherein the proximal end is inclined at an acute angle (α) with respect to the length direction of the sensor strip such that when the sensor strip is wrapped around the elongate shaft the proximal end of the electrical shield layer adjacent the window lies in a plane (P 1) that is normal to the longitudinal axis (A - A') of the elongate shaft. an electrically conductive elongate shaft having a longitudinal axis (A - A'); and a sensor strip comprising the sensor, a first electrical conductor, a second electrical conductor, a first polymer layer, a second polymer layer and an electrical shield layer; wherein the first electrical conductor, the second electrical conductor and the sensor are disposed between the first polymer layer and the second polymer layer and on a first side of the first polymer layer; and wherein the electrical shield layer is disposed on a second side of the first polymer layer; wherein the first electrical conductor and the second electrical conductor are in electrical contact with the sensor and extend along a length direction of the sensor strip between a sensor region that includes the sensor and a window within which the first polymer layer and the electrical shield layer are removed for exposing the first electrical conductor and the second electrical conductor; and wherein the electrical shield layer extends along the length direction of the sensor strip between the sensor region and an electrical shield contact portion adjacent the window; and wherein the sensor strip is wrapped around the elongate shaft in the form of a spiral such that the electrical shield layer faces outwards, and such that the first electrical conductor and the second electrical conductor both extend along the longitudinal axis (A - A') within the window, and such that the electrical shield contact portion adjacent the window, the window, and an exposed portion of the electrically conductive elongate shaft beyond the wrapped sensor strip provide the sensor interconnection region; and characterized in that the electrical shield layer comprises a distal end nearest the sensor region and a proximal end adjacent the window, wherein the proximal end is inclined at an acute angle (α) with respect to the length direction of the sensor strip such that when the sensor strip is wrapped around the elongate shaft the proximal end of the electrical shield layer adjacent the window lies in a plane (P 1) that is normal to the longitudinal axis (A - A') of the elongate shaft.