Patent ID: 11096745

Abstract:
A transperinealprostate intervention device comprises a prostate intervention instrument (10), a transrectal ultrasound (TRUS) probe (12), and a mechanical or optical coordinate measurement machine (CMM) (20) attached to the TRUS probe and configured to track the prostate intervention instrument. The CMM may include an articulated arm with a plurality of encoding joints (24), an anchor end (30) attached to the TRUS probe, and a movable end (32) attached to the prostate intervention instrument. The prostate intervention instrument may, for example, be a biopsy needle, a brachytherapy seed delivery instrument, a tissue ablation instrument, or a hollow cannula. An electronic processor (40) computes a predicted trajectory (54) of the prostate intervention instrument in a frame of reference of the TRUS probe using the CMM attached to the TRUS probe. A representation (56) of the predicted trajectory is superimposed on a prostate ultrasound image (50) generated from ultrasound data collected by the TRUS probe.