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What is the NAVIO System?

The NAVIO system is an advancement in the way our orthopedic surgeons perform a partial knee replacement. The system works in conjunction with our surgeon's skilled hands to achieve the precise positioning of the knee implant based on each patient's unique anatomy. This added level of accuracy can help improve the function, feel and potential longevity of the partial knee implant.

The NAVIO system is very precise. Using computer assistance to re-create the patient's anatomy, a 3-D model of the patient's knee is generated. Using this model, the NAVIO system computer allows the surgeon to create a unique surgical plan, which is tailored to each patient's specific anatomy and ligament balance. The NAVIO system does not perform the procedure; rather it guides the surgeon by providing accuracy and precision — crucial to the success of the surgery.

After creating the plan, the surgeon uses the NAVIO handpiece to sculpt away the bone damaged by osteoarthritis, saving all the ligaments. The NAVIO handpiece uses robotic assistance to only remove the damaged bone according to the surgical plan. Once the damaged bone is removed, the artificial implant is secured into place. One of the many benefits of the robotic-assisted NAVIO system is that patients do not need a CT, which reduces their exposure to radiation and the overall cost.

The NAVIO system is available at A.O. Fox Hospital, part of the Bassett Healthcare Network, in Oneonta, NY

As a partial knee replacement procedure, the NAVIO system 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.

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

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 Repicci, JA, et al., “Minimally invasive surgical technique for unicondylar knee arthroplasty,” J South Orthopedic Association, 1999 Spring; 8(1): 20-7.

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