Mako Robotic Partial Knee Replacement - Dr. Nathaniel Stewart
Knee | Robotic-Assisted

Mako Robotic Partial Knee

Precision robotic technology that replaces only the damaged portion of your knee, preserving what is healthy and getting you back to activity faster.

Mako
Technology
~1-1.5 hours
Procedure time
Same day or 1 night
Hospital stay
Faster recovery
vs. total replacement

Overview - What is Mako Robotic Partial Knee Replacement?

Each patient is unique and can experience joint pain and arthritis for different reasons. Pain from arthritis and joint degeneration can be constant or come and go, occur with movement or after a period of rest, or be located in one spot or many parts of the body. It is common for patients to try medication and other conservative treatments for their knee joint pain. If you have not experienced adequate relief with those treatment options, you may be a candidate for Mako Partial Knee Replacement.

Mako Robotic-Arm Assisted Technology provides you with a personalized surgical plan based on your unique anatomy and the arthritis affecting your joint. First, a CT scan of the arthritic knee joint is taken and uploaded into the Mako System software, where a 3D model of your knee is created. This 3D model is used to pre-plan and assist Dr. Stewart in performing your partial knee replacement with more accurate placement and alignment of your implant.

In the operating room, Dr. Stewart follows your personalized surgical plan while preparing the bone for the implant. He guides the robotic arm within the pre-defined joint replacement area, and the Mako System helps him stay within the planned boundaries that were defined when the personalized pre-operative plan was created.

It is important to understand that the surgery is performed by Dr. Stewart, who guides the robotic arm during the surgery to position the implant in the knee joint. The Mako robotic arm does not perform joint replacement surgery, make decisions on its own, or move without the surgeon guiding it. The Mako System also allows Dr. Stewart to make adjustments to your plan during surgery as needed.

Candidacy - Who Is a Good Candidate?

Mako Partial Knee Replacement is a treatment option for adults living with early to mid-stage osteoarthritis that has not yet progressed to all three compartments of the knee. You may be a candidate if you have:

  • Arthritis limited to one compartment of the knee (medial, lateral, or patellofemoral)
  • Knee pain that has not responded to conservative treatments including medication and physical therapy, and possibly injections
  • An intact anterior cruciate ligament
  • A desire to preserve healthy tissue and return to an active lifestyle

Partial knee replacement is not appropriate for patients with certain types of infections, any mental or neuromuscular disorder that would create an unacceptable risk of complications, compromised bone stock, skeletal immaturity, severe instability of the knee, or excessive body weight.

Recovery Timeline

Day of Surgery
Home same day or next morning
Most patients go home the same day or after one night in the hospital. Walking begins the day of surgery with the assistance of a walker or cane.
Week 1 to 2
Early recovery
Patients return home with pain management guidelines and begin gentle walking and range of motion exercises. Physical therapy starts within the first week.
Week 2 to 6
Progressive strengthening
Most patients are walking without assistive devices by week 4 to 6 and progressing through a structured physical therapy program.
Month 3 to 6
Full recovery
Most patients achieve full recovery and return to recreational activities including golf, hiking, cycling, and low impact sports by month 3 to 6.

Procedure Videos

Watch the video below to learn more about how Mako Robotic-Arm Assisted Technology works and what to expect from partial knee replacement.

Frequently Asked Questions

A partial knee replacement addresses only the damaged compartment of the knee while leaving the healthy portions intact. This means less bone removal, a smaller incision, faster recovery, and a more natural feeling joint. Total knee replacement removes and resurfaces the entire joint and is reserved for patients with advanced arthritis throughout the knee.
The Mako System does not operate independently. Dr. Stewart controls the robotic arm at all times. The system provides haptic feedback and boundaries that prevent the arm from moving outside the pre-planned safe zone, adding a layer of precision that goes beyond what is achievable with hand tools alone.
Partial knee replacements have excellent long term outcomes in appropriately selected patients. If arthritis progresses to other compartments, conversion to a total knee replacement is straightforward.
Partial knee replacement is covered under most insurance plans when medical necessity criteria are met. The Mako robotic system is part of the surgical technique and does not typically carry additional cost to the patient. Our team will verify your benefits before scheduling.
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