3D tissue model formation from non-parallel 2D images

US8520932B2 · kind B2 · utility

Assignee

• THE UNIVERSITY OF WESTERN ONTARIO · CA

Inventors

• Derek Cool · London, CA
• Aaron Fenster · London, CA
• Donal Downey · London, CA
• Shi Sherebrin · London, CA

Key dates

• Filing date: May 28, 2008
• Grant date: Aug 27, 2013
• Expiry date: Jan 17, 2030

Classification

• Technology area (CPC G): Physics
• CPC primary: G06T2207/30081
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

Biopsy of the prostate using 2D transrectal ultrasound (TRUS) guidance is the current gold standard for diagnosis of prostate cancer; however, the current procedure is limited by using 2D biopsy tools to target 3D biopsy locations. We have discovered a technique for patient-specific 3D prostate model reconstruction from a sparse collection of non-parallel 2D TRUS biopsy images. Our method can be easily integrated with current TRUS biopsy equipment and could be incorporated into current clinical biopsy procedures for needle guidance without the need for expensive hardware additions. We have demonstrated the model reconstruction technique using simulated biopsy images from 3D TRUS prostate images of 10 biopsy patients. This technique of model reconstruction is not limited to the prostate, but can be applied to the reconstruction of any tissue acquired with non-parallel 2-dimensional ultrasound images.