Surgical device for invasive surgery, comprising a cannula (30) with a wall (50) surrounding at least one lumen (52) extending from an access end (32) to a tissue tip (31), and one or more instruments (20, 29) slidably receivable and guidable in the lumen of the cannula, where in the surgical device is configured to be used with a medical imaging system for image guidance of the device, the cannula wall being configured to allow partial transparency with respect to a scanning signal of said medical imaging system such that at least portions of the instrument received in the cannula are visible.
