1. Conventional TKR (Manual / Jig-Based)
🧠 Principle-
Based on mechanical alignment
Surgeon-dependent bone cuts using jigs
✅ Advantages
Proven gold standard
Cost-effective
Widely available
❌ Limitations
Less precision (depends on surgeon skill)
Alignment errors possible
More soft tissue trauma
👉 Still widely practiced, especially in India (cost factor)
🤖 2. Robotic-Assisted TKR (RA-TKR)
🧠 Principle
CT / imageless planning + robotic arm execution
Personalized alignment (KA / functional alignment)
🔬 Latest Evidence
Better implant alignment accuracy
Improved precision & reproducibility
Faster recovery, less pain (early outcomes)
BUT long-term outcomes often similar to conventional
✅ Advantages
High precision cuts
Better ligament balancing
Less soft tissue damage
Early mobilization
❌ Limitations
Expensive
Learning curve
Not always superior clinically
🧠 3. Intelligent Knee (Next Generation / Smart TKR)
👉 This is the latest evolving concept (2025–future)
🔬 Components:
1. AI-Based Planning
Pre-op 3D modeling + AI prediction
Patient-specific alignment & implant selection
2. Smart Implants (Sensor-based)
Example: pressure sensors inside implant
Measure:
Load
Alignment
Balance in real time
3. Autonomous / Semi-Autonomous Robotics
Moving from assistive → decision-making robots
AI-guided bone cutting (emerging research)
4. Digital Rehab & Telemedicine
Real-time physio tracking
Motion sensors + feedback
🚀 Advantages
True personalized TKR
Real-time intraoperative decision making
Better functional outcomes (future potential)
Data-driven surgery
❌ Limitations
Still evolving
High cost
Limited availability
FOR FURTHER ENQUERY CONTACT DR. RAGHAVENDRA NAVEEN
