A surgeon in scrubs dissects a patient-specific temporal bone model with a haptic device beside a spatial reality display

Enabling surgeons to perform the best surgery.

Patient-specific surgical simulation for Otolaryngology – Head & Neck Surgery, from the University of Calgary's Ohlson Research Initiative.

Vision

Enabling surgeons to perform the best surgery.

Mission

To create a suite of applications that provides high-fidelity, interactive, virtual environments to effectively teach, plan and practice Otolaryngology – Head & Neck Surgery.

What is SurgiSim?

SurgiSim is a surgical simulation platform for exploring and manipulating patient-specific anatomy derived from clinical imaging. It runs on a desktop computer or a laptop.

Skull base surgeons and trainees use it to rehearse complex procedures, such as temporal bone surgery, with high-fidelity 3D visualization on spatial reality displays and realistic haptic feedback.

Built on Unreal Engine 5, SurgiSim delivers real-time volumetric rendering and interactive virtual dissection. It is developed by the Surgical Innovation group at the Ohlson Research Initiative (University of Calgary), in collaboration with Stanford University and Western University.

Features

Built around one idea: every case starts from the patient's own anatomy.

Patient-specific anatomy

Explore and manipulate 3D anatomy built directly from a patient's clinical imaging studies.

Automatic segmentation

SurgiSim automatically segments clinical imaging and returns a segmented DICOM, ready to build into a surgical scene.

Surgical rehearsal & training

Rehearse complex procedures on patient-specific anatomy, with realistic haptics, before entering the OR.

Patient education

Help patients understand their proposed procedure by showing them their own anatomy.

Hardware options

SurgiSim scales to the equipment you have. Switch devices on and off to see what each setup adds.

Computer + Spatial reality display + Haptic device
Computer

Full surgical simulation experience

3D visualization and tactile dissection together, on the patient's own anatomy.

Hardware setups and the experience each provides
SetupExperience
Computer onlySpecimen viewer: explore and inspect anatomy
Computer + spatial reality display or haptic deviceAdds 3D visualization or tactile dissection
Computer + spatial reality display + haptic deviceFull surgical simulation experience

Our team

Surgeons, engineers and researchers building the next generation of surgical simulation.

Dr. Joseph C. Dort

Dr. Joseph C. Dort

Emeritus Professor, Cumming School of Medicine

Dr. Dort is an Otolaryngologist – Head & Neck Surgeon and Emeritus Professor at the University of Calgary's Cumming School of Medicine. A former family physician, he completed Otolaryngology residency at the University of Manitoba, a skull base surgery fellowship at the University of Zurich, and an MSc in epidemiology at the Harvard School of Public Health.

He was the founding Executive Director of the Ohlson Research Initiative and Senior Medical Director of the Alberta Cancer Strategic Clinical Network. Dr. Dort has led numerous healthcare quality improvement initiatives across Alberta.

Dr. Justin Lui

Dr. Justin Lui

Director of Surgical Innovation

Dr. Lui is an Otologist/Neurotologist in the Department of Surgery at the University of Calgary's Cumming School of Medicine. After completing his Otolaryngology – Head & Neck Surgery residency in Calgary, he pursued an Otology–Skull Base fellowship at Sunnybrook Health Sciences Centre in Toronto.

Alongside his clinical work, he leads a multidisciplinary research group developing simulation tools for surgical education and planning. His work has helped establish the University of Calgary as a national leader in surgical simulation training, with research partners at Western University and Stanford University.

  • Lee RinghamMSc
  • Fanrui FuPh.D.
  • Amirhossein MirtabatabaeipourMSc
  • Arthur VolpatoMSc
  • Ohlson Research Initiative
  • University of Calgary
  • Stanford University
  • Western University