🌐 precicore.ca · Spine-Go · Purifier
The world's first robotic assistant for corneal surgery.
Built by engineering students at Concordia University, Montreal.
Corneal transplantation is one of the most technically demanding procedures in medicine. The cornea is less than 0.5mm thick, and a surgeon must place up to 24 sutures by hand at micron-level precision. One bad stitch can leave a patient with worse vision than before the surgery.
PreciCore addresses this by combining tremor suppression, motion scaling, force feedback, and camera-guided needle positioning into a distributed robotic system — all connected over a communication protocol we built from scratch.
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Physics Simulator MuJoCo-powered simulation environment for the PreciCore robotic arm and surgical scene. Validate control algorithms and needle trajectories on a virtual phantom cornea — before touching any hardware.
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🌀 |
Main Robot Control System Integrates all modules into a working end-to-end pipeline — from operator input through Purifier and Spine-Go, to the STM32-driven robotic arm and computer vision layer.
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Operator Input
│
▼
┌─────────────┐
│ Purifier │ ← Kalman filter · tremor suppression · signal cleaning
└──────┬──────┘
│ Spine-Go (KCP/UDP · pub/sub · mDNS)
▼
┌─────────────────────────────────────────┐
│ PreciCore Core │
│ │
│ ┌─────────────┐ ┌─────────────────┐ │
│ │ CrackHead │ │ Robotic Arm │ │
│ │ (Simulator) │ │ STM32 · 5-DOF │ │
│ └─────────────┘ └────────┬────────┘ │
│ │ │
│ ┌────────▼────────┐ │
│ │ Vision System │ │
│ │ Camera · OpenCV │ │
│ └─────────────────┘ │
└─────────────────────────────────────────┘
│
▼
Phantom Cornea
| Phase | Timeline | Focus |
|---|---|---|
| Phase 1 | Summer 2026 | Simulation & software — CrackHead, Purifier, Spine-Go integrated end-to-end |
| Phase 2 | Fall/Winter 2026 | Hardware prototype — real robotic arm, force sensing, phantom cornea demo |
| Phase 3 | Beyond 2027 | OCT integration, AI motion planning, custom haptic controller |
Built by Computer and Electrical Engineering students at Concordia University's Gina Cody School of Engineering and Computer Science, Montreal, QC.
Supported by District 3, Concordia University's startup incubator.
precicore.ca · Montreal, QC · 2025–present