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Frequently Asked Questions

What are the benefits of NAVIO?

As a partial knee replacement procedure, NAVIO offers a number of benefits compared to total knee replacement, including:

  • Less pain.1
  • Quicker rehabilitation and recovery.2
  • Lower risk of complications.3
  • More natural knee movement.4
  • Smaller incisions.5
  • Improved range of motion.2
  • Shorter hospital stay.1
  • Less removal of bone and cartilage.
  • No removal of ligaments.

1. Brown, NM, et al., “Total Knee Arthroplasty has Higher Postoperative Morbidity than Unicompartmental Knee Arthroplasty: A Multicenter Analysis,” The Journal of Arthroplasty, 2012
2. Hall et al., “Unicompartmental Knee Arthroplasty (Alias Uni-Knee): An Overview With Nursing Implications,” Orthopaedic Nursing, 2004; 23(3): 163-171
3. Hernigou, Ph, Deschamps, G., “Alignment Influences Wear in the Knee After Medial Unicompartmental Arthroplasty.”, Clin Orthop Relat Res., Volume 423, June 2004, pp 161-165
4. Laurencin CT, Zelicof SB, Scott RD, Ewald FC. Unicompartmental versus total knee arthroplasty in the same patient. A comparative study. Clin Orthop Relat Res. 1991 Dec;(273):151–156
5. 5 Repicci, JA, et al., “Minimally invasive surgical technique for unicondylar knee arthroplasty,” J South Orthopedic Association, 1999 Spring; 8(1): 20-7.

Most insurance plans cover partial knee replacement. Call your insurance provider to verify coverage.

What is osteoarthritis?

Osteoarthritis, also known as OA, occurs when there is a breakdown in the cushioning cartilage between joints, such as the knee. When this cartilage wears down, bones begin to rub against each other, causing pain, swelling, stiffness and damage to other parts of the knee. While the exact cause of OA is unknown, there are several factors that may increase a patient’s risk of developing OA.

What are the treatment options for osteoarthritis?

While there is no cure for osteoarthritis of the knee, there are multiple treatment options to manage pain and that may delay the progression of the disease. Talk to your doctor; he or she may prescribe exercises, weight loss or medication.

If osteoarthritis has progressed to an advanced stage and is causing severe pain, surgery may be the best option. Instead of masking the pain or accommodating limited mobility, a partial knee replacement may be able to restore knee function and allow osteoarthritis sufferers to return to the activities they love.

What is partial knee replacement?

Partial knee replacement is an alternative to total knee replacement for patients with early to mid-progression osteoarthritis. For these patients, damage is generally limited to one compartment of the knee. The damaged portion of the bone is removed while the ligaments vital for knee stability are spared, leaving healthy cartilage and bone intact. Partial knee replacements may offer several benefits over total knee replacements, including:

  • Less pain.
  • Quicker rehabilitation and recovery.
  • Lower risk of complications.
  • Smaller incisions.
  • More natural knee movement.

What is a NAVIO-assisted partial knee replacement?

A partial knee replacement with NAVIO provides robotic guidance to your surgeon through an advanced computer system that relays precise information about your knee. NAVIO does not perform the procedure; rather it assists the surgeon to present patient-specific information for a unique surgical plan, and provides feedback so that the surgeon can precisely place the implant.

How does the NAVIO surgical system work?

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