Bryant Bonner, MD

Board Certified

Hip and Knee Replacement Specialist

Partial Knee Replacement

Partial and total knee replacement.

A surgical solution for Localized Arthritis

If you’re seeking solutions for knee pain caused by arthritis or localized damage, Partial Knee Replacement might be the answer you’ve been looking for. This surgical procedure offers a targeted approach to address a specific knee compartment affected by arthritis, providing significant relief and improved function.

Partial Knee Replacement, also known as Unicompartmental Knee Replacement, is an advanced surgical technique that focuses on replacing only the damaged portion of the knee joint with an artificial implant. 

Unlike Total Knee Replacement, which involves replacing the entire joint, Partial Knee Replacement offers the advantage of preserving healthy tissues and ligaments, leading to a more natural and comfortable feeling joint.

As you explore this guide, rest assured that Dr. Bonner and our team are here to answer any questions and address any concerns you may have. Together, we look forward to helping you achieve relief, mobility, and a better quality of life.

A model of a knee with a metal rod in it.
What is a Partial Knee Replacement?

The knee has three compartments:

  • The patellofemoral, in front of the knee between the kneecap and thighbone;
  • The medial compartment on the inside portion of the knee;
  • And the lateral compartment on the outside portion of the knee joint.

 

Partial Knee Replacement, also known as Unicompartmental Knee Replacement, is a surgical procedure that involves replacing only the damaged or arthritic surface of the knee joint with an artificial implant. Unlike Total Knee Replacement, which replaces all worn out or damaged areas of the knee, a Partial Knee Replacement focuses on addressing the one specific area of the knee affected by arthritis.

Partial Knee Replacement may be suitable for individuals who have arthritis or damage that primarily affects one specific compartment of the knee joint. Your orthopedic surgeon will carefully evaluate your condition, medical history, and imaging studies to determine if you are a candidate for this procedure.

  1. Preserving Healthy Tissues: With only the affected part of the knee replaced, healthy tissues and ligaments are preserved, potentially leading to a more natural feeling joint.
  2. Smaller Incisions: The surgery involves smaller incisions, which can lead to reduced scarring and quicker recovery compared to total knee replacement.
  3. Faster Recovery: Partial Knee Replacement generally involves a shorter recovery period, allowing you to return to your daily activities sooner.
During the surgery, your orthopedic surgeon will carefully remove the damaged cartilage and bone in the affected knee compartment only, making sure to protect the surrounding ligaments, bones, and soft tissue. The artificial implant, made of durable materials, is then precisely positioned to restore proper joint function.

Nearly all patients are going home the same day after surgery. Patients often use a walker for the first 1-2 weeks to help provide some added stability and balance and progressively graduate to a cane and then off any assistive devices as you are able.

Physical therapy will play a crucial role in your rehabilitation process. After your stay in the hospital we will set up physical therapy to go to your home for the first two weeks. After two weeks, you will graduate to outpatient physical therapy to continue to work on your range of motion and strengthening. This can be done at a facility close to your home.

The first six weeks are especially important in maximizing how straight your knee can go (extension) and bend back (flexion). As you progress you can also begin to get back to your activities such as walking, hiking, golf and more!

Remember, a Partial Knee Replacement is a carefully considered option, and not everyone with knee pain requires surgery. Dr. Bonner will evaluate your individual case and discuss the best treatment plan for you.

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