System for determining a position of an interventional device respective an imaging field (B 1..k) corresponding to a type (T 1..n) of a beamforming ultrasound imaging probe currently connected to an ultrasound imaging system and in which the position of the interventional device is determined based on ultrasound signals transmitted between the beamforming ultrasound imaging probe and an ultrasound transducer attached to the interventional device, the system comprising: an image reconstruction unit configured to provide a reconstructed ultrasound image corresponding to the imaging field (B 1..k) defined by the beamforming ultrasound imaging probe; and a position determination unit configured to: receive input indicative of the type (T 1..n) of the beamforming ultrasound imaging probe currently connected to the ultrasound imaging system; compute a position (LAP TOFSmax, θIPA) of the ultrasound transducer respective the imaging field (B 1..k) based on a time of flight (TOF Smax) of a maximum detected intensity (I Smax) ultrasound signal transmitted between the beamforming ultrasound imaging probe and the ultrasound transducer, wherein computing the position (LAP TOFSmax, θIPA) comprises selecting from a group of beam sequences corresponding to a plurality of imaging probe types (T 1..n) a beam sequence corresponding to the type (T 1..n) of the beamforming ultrasound imaging probe currently connected to the ultrasound imaging system and assigning detected ultrasound signals to the selected beam sequence; and to indicate the position (LAP TOFSmax, θIPA) in the reconstructed ultrasound image. an image reconstruction unit configured to provide a reconstructed ultrasound image corresponding to the imaging field (B 1..k) defined by the beamforming ultrasound imaging probe; and a position determination unit configured to: receive input indicative of the type (T 1..n) of the beamforming ultrasound imaging probe currently connected to the ultrasound imaging system; compute a position (LAP TOFSmax, θIPA) of the ultrasound transducer respective the imaging field (B 1..k) based on a time of flight (TOF Smax) of a maximum detected intensity (I Smax) ultrasound signal transmitted between the beamforming ultrasound imaging probe and the ultrasound transducer, wherein computing the position (LAP TOFSmax, θIPA) comprises selecting from a group of beam sequences corresponding to a plurality of imaging probe types (T 1..n) a beam sequence corresponding to the type (T 1..n) of the beamforming ultrasound imaging probe currently connected to the ultrasound imaging system and assigning detected ultrasound signals to the selected beam sequence; and to indicate the position (LAP TOFSmax, θIPA) in the reconstructed ultrasound image. receive input indicative of the type (T 1..n) of the beamforming ultrasound imaging probe currently connected to the ultrasound imaging system; compute a position (LAP TOFSmax, θIPA) of the ultrasound transducer respective the imaging field (B 1..k) based on a time of flight (TOF Smax) of a maximum detected intensity (I Smax) ultrasound signal transmitted between the beamforming ultrasound imaging probe and the ultrasound transducer, wherein computing the position (LAP TOFSmax, θIPA) comprises selecting from a group of beam sequences corresponding to a plurality of imaging probe types (T 1..n) a beam sequence corresponding to the type (T 1..n) of the beamforming ultrasound imaging probe currently connected to the ultrasound imaging system and assigning detected ultrasound signals to the selected beam sequence; and to indicate the position (LAP TOFSmax, θIPA) in the reconstructed ultrasound image.