Partial Knee Replacement Surgery
Partial knee replacement is an alternative to total knee replacement when only a portion of your knee is affected by disease or arthritis. While partial knee replacements account for around 10% of knee surgeries performed, studies have shown that a greater number of patients are candidates for the procedure. Mako SmartRobotics™ has made it easier to treat isolated arthritis in patients of all age groups.
What Steps Will Be Taken?
- CT Scan: A CT scan of your knee is performed.
- 3D Model: From the scan, a 3D virtual model of your knee is created.
- Evaluate: From the model, we evaluate bone anatomy and soft tissue alignment.
- Plan: From the evaluation, we determine proper size and placement of your implants.
- Execute: We execute your procedure using our Mako Technology.
Who is a Candidate for Partial Knee Replacement?
Mako partial knee replacement is available for people with knee pain or stiffness resulting from conditions like osteoarthritis, traumatic arthritis, rheumatoid arthritis and avascular necrosis that affects only one or two compartments of the knee. The knee is composed of 3 compartments; medial (inside), lateral (outside), and patellofemoral (under the kneecap). Each of these compartments can have isolated arthritic changes that can be determined through x-rays and examination prior to surgery.
This procedure involves surgery that will resurface and replace the affected part of the knee. Surgery is recommended for a patient when they are no longer experiencing adequate relief with conservative treatment options like oral medications, physical therapy, bracing, and injections. If you have arthritis or another cartilage disease affecting only one or two of your compartments, a robotic-assisted partial knee replacement may be an effective solution.
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Frequently Asked Knee Surgery Questions.
We’re here to address your concerns and provide clarity about all aspects of hip surgery. Contact us if you have additional questions you would like answered.
Can I swim?
You can swim 2 weeks after surgery.
When can I drive?
Each patient is different and it depends on which leg was operated on but generally when:
- You are not taking narcotics during the day
- You can comfortably get in on the drivers side
- You feel you are strong enough to get from the gas to the brake quickly enough to avoid an accident
When can I golf?
Typically 6 weeks after surgery.
When can I fly?
You can fly 2 weeks after surgery, but with precautions. You are at risk for a blood clot for 3 months after surgery. If you fly during this time you should be on aspirin 81 mg twice a day or a stronger blood thinner for air travel.
Will I set off metal detectors?
Your knee will likely set off the metal detectors. Always budget extra time when visiting a location with metal detectors. If you do set off the detector, notify the TSA agent that you have a joint replacement. Airports no longer accept implant cards as proof and will still require you to undergo screening.
What activities will I be allowed to do after I am healed?
Most patients can return to all activities 3 months after surgery although full healing can take up to 1 year. However, high impact activities such as running can lead to early wear of the joint and should be avoided.
What are the extra pin holes for?
The pin sites are where Dr. Martin attaches the robotic trackers. No hardware is retained at the site.
What does the Robot do and why do I need a CT scan?
The robot provides accuracy and precision in order to improve on the results of traditional joint replacement. Dr. Martin is present at all times during the surgery and is working in conjunction with the robot. The CT scan allows Dr. Martin to create a digital 3D model of your joint to template your surgery and ensure accurate bone prep and implant position.
Returning to work after surgery?
Time off varies depending on how physically demanding your work is
- For physically demanding jobs 6 weeks
- For desk or seated jobs 2 weeks
Why are there fees for work forms?
Work forms require a significant amount of staff resources and are not reimbursed by insurance.
How many procedures has Dr. Martin performed?
Dr. Martin has successfully performed over 5000 robotic joint replacements since 2009.
Why can’t I have a handicapped placard after surgery?
Dr. Martin encourages walking as part of your recovery. You should take every opportunity to use your new joint.
What are the implants made of?
Cobalt chrome, titanium, and polyethylene plastic. Some knees have bone cement which is methyl methacrylate. If you have a nickel allergy and were provided a specialized implant it is typically made with ceramic or oxinium titanium, and polyethylene plastic.
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