Interview Questions › Product Design

Design an immersive VR/AR surgical training and credentialing simulator for medical residents

Design an immersive spatial VR/AR surgical simulation, haptic bone-cutting, and objective assessment platform for orthopedic surgery residents learning joint replacement procedures.

Context

Surgical residents historically learn through the "see one, do one, teach one" model on real human patients, risking patient safety and suffering from limited cadaver lab availability.

Clarifying questions to ask first

• What surgical specialty is modeled (e.g. Total Hip / Knee Orthopedic Arthroplasty)? (Orthopedic total knee replacement).
• How is surgical performance scored? (OSATS - Objective Structured Assessment of Technical Skills).

How to approach it

1. Surgical Resident & Residency Director Needs: Resident (needs muscle memory repetition of complex surgical steps without patient risk) vs Residency Director (needs objective numerical scoring of surgical competency)
2. Design Spatial Simulation & Haptic Training Suite:
3. 1. Physics-Accurate Anatomical Soft-Tissue & Bone Haptics (Haptic controllers provide authentic bone saw vibration and drill breakthrough sensation)
4. 2. "Procedural Surgical Step Guidance with Error Correction" (Step-by-step interactive 3D guide that alerts when implant angle is off by 2 degrees)
5. 3. Dynamic Emergency Complication Injections (Simulates sudden arterial bleeding or bone fracture to test crisis reaction)
6. 4. Objective Metric Assessment Scorecard (Measures instrument economy of motion, procedural accuracy, time-to-hemostasis, and sterility compliance)

Framework: Surgical Education Deficits -> Haptic Physics & Anatomical Modeling -> Interactive Procedural Workflow -> Crisis Simulation & Objective Scoring -> Clinical Readiness Metrics

Sample answer

• Muscle memory requires authentic physical resistance; force-feedback haptics when drilling into bone improves resident operating room readiness by 300%
• Simulating unexpected surgical complications in VR builds calm crisis management before operating on living patients

1. MVP: Spatial 3D anatomical knee model, haptic force-feedback bone saw integration, interactive procedural workflow checklist, and automated OSATS objective scoring report card

Executive design: A spatial surgical training simulator combining force-feedback haptic bone cutting with real-time procedural step guidance and objective surgical competency scoring.

What interviewers look for

• Haptic Bone Saw & Soft-Tissue Physical Fidelity
• Objective Surgical Competency Scoring Rubric
• Crisis Complication Simulation Mechanics
• Anatomical Accuracy & Procedural Muscle Memory