What Is Robotic Knee Replacement?
Robotic knee replacement is not science fiction — it is the current gold standard in joint replacement surgery. Unlike traditional surgery where the surgeon relies entirely on manual judgment, robotic-assisted surgery uses AI-guided imaging and a robotic arm to plan and execute the procedure with extraordinary precision.
I have been performing robotic joint replacements for several years now, and the difference in outcomes is remarkable — especially in terms of alignment accuracy, faster recovery, and long-term implant durability.
Key Fact
Studies show robotic-assisted knee replacement improves implant alignment accuracy by up to 90% compared to traditional manual surgery — directly translating to less pain and longer implant life.
Who Needs Knee Replacement?
Knee replacement is recommended when:
- Severe knee arthritis (osteoarthritis, rheumatoid, or post-traumatic) causes constant pain
- Pain interferes with daily activities like walking, climbing stairs, or sleeping
- Non-surgical treatments (medications, injections, physiotherapy) have stopped working
- X-rays show significant joint damage or bone-on-bone contact
- Quality of life is severely affected
Not everyone with knee pain needs replacement. In many cases, regenerative options like PRP therapy or arthroscopy can help. I always explore all non-surgical options first before recommending surgery.
Robotic vs. Traditional: What's the Difference?
Traditional Surgery
The surgeon uses manual instruments, jigs, and their own judgment to cut and position the implant. It relies heavily on individual skill and experience. Results vary significantly between surgeons.
Robotic-Assisted Surgery
Before the procedure, a 3D model of your specific knee is created. The robotic system guides the surgeon's movements within a pre-planned safe zone — preventing any accidental cuts outside the planned area. The result? A perfectly sized, perfectly aligned implant every single time.
Benefits of Robotic Surgery at a Glance
✓ Personalized to your knee anatomy · ✓ Less bone removal · ✓ Faster recovery · ✓ Less post-op pain · ✓ Longer implant life · ✓ Lower risk of revision surgery
What to Expect: The Surgery Journey
Before Surgery
A detailed CT scan is taken to create your personalized surgical plan. Blood tests, cardiac evaluation, and physiotherapy pre-conditioning are done. You will meet with me personally to discuss all your concerns and expectations.
During Surgery
The procedure takes approximately 60–90 minutes under spinal or general anaesthesia. The damaged cartilage and bone are removed, and the robotic arm assists in placing the implant with pinpoint accuracy. Most patients experience minimal blood loss.
After Surgery
- Day 1: You will be helped to stand and take a few steps
- Day 2–3: Walking with a walker, physiotherapy begins
- Week 2: Most patients walk independently
- Month 1–3: Gradually return to normal activities
- Month 6: Full recovery, return to comfortable daily life
Common Questions I Get From Patients
Will I feel the implant?
No. A well-placed robotic implant feels natural. Most patients forget they even have a replacement after a few months of recovery.
How long does the implant last?
Modern robotic-placed implants typically last 20–25 years or more — significantly longer than traditionally placed ones, because alignment is perfect from day one.
Is robotic surgery more expensive?
There is a marginal additional cost. However, when you factor in reduced complications, faster recovery, and longer implant life, it is absolutely worth the investment.
What is the right age for surgery?
There is no minimum age. I have operated on patients in their 50s and patients in their 80s. The decision is based on your quality of life, not your age.
Is Robotic Knee Replacement Right for You?
Book a consultation with Dr. Sumit Dubewar for a thorough evaluation and honest opinion — surgical or non-surgical.
Book ConsultationMy Advice as Your Surgeon
Do not delay knee replacement out of fear. The surgery has evolved tremendously — especially with robotic assistance. The patients who struggle are usually those who waited too long, allowing muscle weakness and bone damage to worsen significantly.
At the same time, do not rush into surgery without exploring all your options. If regenerative treatments can help you avoid or delay surgery meaningfully, we should explore those first.
Whatever your situation, come speak with me. I believe every patient deserves a clear, honest explanation of what is happening in their knee — and what their best options are.