The short answer is no. In fact, many patients report that robotic knee replacement is associated with less pain and a smoother recovery, although pain perception varies from person to person.
Let's look at why.
Smaller Incisions, Less Discomfort
Robotic knee replacement often allows the surgeon to work through a slightly smaller incision.
A smaller incision means less stretching of the skin and surrounding tissues, which may contribute to reduced post-operative discomfort.
Potential advantage: Less skin and soft tissue trauma.
More Precise Surgery, Less Soft Tissue Damage
The MAKO robotic system uses what are known as haptic boundaries—virtual safety zones that guide the surgeon during bone preparation.
These boundaries help ensure that surgical instruments remain within the planned area, minimizing unnecessary disturbance to surrounding ligaments, tendons, and soft tissues.
Potential advantage: Less soft tissue dissection and irritation.
Better Planning Before Surgery
Unlike conventional knee replacement, robotic surgery begins long before the patient enters the operating room.
A pre-operative CT scan is used to create a three-dimensional model of the knee. This is combined with advanced planning software to determine implant size and positioning before surgery even begins.
As a result, there is less intraoperative trial-and-error when selecting implant sizes.
Potential advantage: More efficient surgery with greater predictability.
Millimeter-Level Accuracy
One of the biggest advantages of robotic knee replacement is the ability to place implants with extremely high precision.
Accurate implant positioning can help restore natural knee mechanics, improve balance throughout the joint, and reduce abnormal stresses on surrounding tissues.
This may translate into:
- Less pain during recovery
- Improved function
- Greater confidence while walking
- Faster rehabilitation
Potential advantage: Better alignment and a more natural-feeling knee.
Could the Implant Last Longer?
Another exciting potential benefit of robotic-assisted surgery is implant longevity.
Because implants can be positioned with millimeter-level accuracy, the forces across the knee may be distributed more evenly. In theory, this could reduce wear over time and potentially improve the lifespan of the implant.
While long-term studies are still ongoing, early data suggests that improved accuracy may contribute to better long-term outcomes.
Potential advantage: Improved durability and implant longevity.
At the end of the day, the most important factor is not whether a robot is used, but whether the surgery is performed well. Robotic technology is a tool that helps surgeons achieve greater precision, consistency, and reproducibility for every patient.
The goal remains the same: less pain, better function, and a knee that feels natural for years to come.
Written by Dr Shrishti Patil, MS Ortho, Consultant Orthopaedic and Robotic Joint Replacement Surgeon, SPARSH Hospital, Hennur Road, Bengaluru.
To book a consultation with Dr Shrishti Patil at SPARSH Hospital, Hennur Road, Bengaluru, visit linqmd.com/doctors/dr-shrishti-patil-joint-replacement-surgeon-hennur-bengaluru
