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Knee Robotic Procedure

Knee Procedures Performed through Navio

Navio Partial Knee Replacement

The Navio Surgical System provides robotic assistance in partial knee replacement for patients living with knee pain caused by early to mid-stage osteoarthritis. A Navio procedure differs from other robotic-assisted techniques because of its unique CT-free principles and handheld instrumentation.

How can Navio help?

Navio aids the surgeon through accurate and precise robotic assistance. During the procedure, the diseased portion of the bone is replaced with an implant that spares healthy bone and returns functionality to the knee.

Partial knee replacement may offer several benefits over total knee replacement, including:

  • Less pain
  • Quicker rehabilitation
  • Smaller incisions
  • More natural knee kinematics
  • ACL and PCL preservation
  • Less bone loss

What can Navio mean for you?

  • Accurately placed implants
  • No CT radiation exposure
  • Customized surgical plans unique to your anatomy

What is osteoarthritis?

Millions of Americans suffer from the debilitating pain of osteoarthritis (OA) each day. As one of the leading causes of disability, OA is a degenerative joint disease that results in wearing and eventual loss of cartilage. Those suffering from OA often experience quality of life issues, loss of mobility, stiffness and swelling, and joint pain through activity.

How does a Navio surgery work?

The surgeon uses advanced image-free navigation to create a virtual reconstruction of the patient’s knee anatomy, ligament tension, and kinematic motion. This information is used to tailor the position of the implant to the patient’s femur and tibia shape, taking into account the patient’s unique cartilage wear, condylar shape, and soft-tissue balance. The surgeon then uses Navio’s robotic-assisted handpiece to sculpt damaged bone away from remaining healthy bone. The handpiece enforces bone resection within the surgeon defined plan, ensuring final placement of the implant is accurately positioned as intended.

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Partial Knee Resurfacing Through Mako Robotic-Arm Assisted Technology

What is Mako Robotic-Arm Assisted Surgery?

Mako Robotic-Arm Assisted Surgery is a robotic arm assisted partial knee resurfacing procedure designed to relieve the pain caused by joint degeneration due to osteoarthritis (OA). By selectively targeting the part of your knee damaged by OA, your surgeon can resurface your knee while sparing the healthy bone and ligaments surrounding it.

Mako Robotic-Arm Assisted Surgery partial knee application can:

  • Enable surgeons to precisely resurface only the arthritic portion of the knee
  • Preserve healthy tissue and bone
  • Facilitate optimal implant positioning to result in a more natural feeling knee following surgery
  • Result in a more rapid recovery and shorter hospital stay than traditional total knee replacement surgery  

Unlike other more invasive procedures Mako can often be performed through a four to six inch incision over your knee with small incisions in both your femur (thigh bone) and tibia (shin). Additionally the preservation of your own natural bone and tissue along with more ideal patient specific implant positioning may also result in a more natural feeling knee. And since healthy bone is preserved, patients who undergo mako partial knee application may still be a candidate for a total knee replacement procedure later in life if necessary.

The Mako procedure is indicated for patients suffering from unicompartmental or bicompartmental knee disease. A total replacement is sometimes necessary if your surgeon discovers during surgery that your knee has more damage than originally seen in the pre-operative X-rays and CT scan.

Your physician should discuss the specific risks associated with Mako and other treatment options with you. In addition, you should be informed of any pre-operative and post-operative instructions by your surgeon or his or her staff.

Am I a Candidate for Makoplasty Partial Knee Replacement?


 

Mako Technology
may be the right
treatment option
for you.


If you've been diagnosed with osteoarthritis(OA) of the knee, you may be a candidate for Mako -- a robotic arm assisted partial knee resurfacing procedure designed to relieve pain and restore range of motion. Mako is an innovative treatment option for adults living with early to mid-stage osteoarthritis that has not progressed to all three compartments of the knee.

Symptoms of OA of the knee include:

  • Pain while standing or walking short distances, climbing up or downstairs, or getting in and out of chairs
  • Pain with activity
  • Start up pain or stiffness when activities are initiated from a sitting position
  • Joint stiffness after getting out of bed
  • Swelling in one or more areas of the knee
  • A grating sensation or crunching feeling in the knee during use

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Total Knee Replacement Through Mako Robotic-Arm Assisted Technology

We understand that making sure you know what to expect from your joint replacement experience is important to you. As you are reading through this material, if you have additional questions please reach out to us to discuss.

Each patient is unique, and can experience joint pain for different reasons. It’s important to talk to us about the reason for your knee pain so you can understand the treatment options available to you. 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 to treat their knee pain. If you haven’t experienced adequate relief with those treatment options, you may be a candidate for Mako Total Knee Replacement, which may provide you with relief from your knee pain.

personalized pre-operative plan

How Mako Technology works

Mako Robotic-Arm Assisted Total Knee Replacement is a treatment option for adults living with mid to late-stage osteoarthritis (OA) of the knee. Mako provides you with a personalized surgical plan based on your unique anatomy. First, a CT scan of the diseased knee joint is taken. This CT scan is 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 your surgeon in performing your total knee replacement.

In the operating room, your surgeon follows your personalized surgical plan while preparing the bone for the Triathlon Total Knee implant. With over a decade of clinical history, Triathlon knee replacements are different than traditional knee replacements because they are designed to work with the body to promote natural-like circular motion.1-4

The surgeon guides the robotic-arm to remove diseased bone and cartilage within the pre-defined area and the Mako System helps the surgeon stay within the planned boundaries that were defined when the personalized pre-operative plan was created. In a laboratory study, Mako Technology demonstrated accurate placement of implants to a personalized surgical plan.5

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

personalized pre-operative plan

IMPORTANT INFORMATION

Knee replacements

General indications: Total knee replacement is intended for use in individuals with joint disease resulting from degenerative, rheumatoid and post-traumatic arthritis, and for moderate deformity of the knee.

Contraindications: Knee replacement surgery is not appropriate for patients with certain types of infections, any mental or neuromuscular disorder which would create an unacceptable risk of prosthesis instability, prosthesis fixation failure or complications in postoperative care, compromised bone stock, skeletal immaturity, or severe instability of the knee.

As with any surgery, knee replacement surgery has serious risks which include, but are not limited to, peripheral neuropathies (nerve damage), circulatory compromise (including deep vein thrombosis (blood clots in the legs)), genitourinary disorders (including kidney failure), gastrointestinal disorders (including paralytic ileus (loss of intestinal digestive movement)), vascular disorders (including thrombus (blood clots), blood loss, or changes in blood pressure or heart rhythm), bronchopulmonary disorders (including emboli, stroke or pneumonia), heart attack, and death.

Implant related risks which may lead to a revision include dislocation, loosening, fracture, nerve damage, heterotopic bone formation (abnormal bone growth in tissue), wear of the implant, metal sensitivity, soft tissue imbalance, osteolysis (localized progressive bone loss), and reaction to particle debris. Knee implants may not provide the same feel or performance characteristics experienced with a normal healthy joint.

The information presented is for educational purposes only. Speak to your doctor to decide if joint replacement surgery is right for you. Individual results vary and not all patients will receive the same postoperative activity level. The lifetime of a joint replacement is not infinite and varies with each individual. Your doctor will help counsel you about how to best maintain your activities in order to potentially prolong the lifetime of the device. Such strategies include not engaging in high-impact activities, such as running, as well as maintaining a healthy weight. Ask your doctor if the Triathlon knee is right for you.

Stryker Corporation or its other divisions or other corporate affiliated entities own, use or have applied for the following trademarks or service marks: MAKO, Stryker, Triathlon. All other trademarks are trademarks of their respected owners or holders.

References

  1. Mistry J, Elmallah R, Chughtai M, Oktem M, Harwin S, Mont M. Long-Term Survivorship and Clinical Outcomes of a Single Radius Total Knee Arthroplasty. International XXVIII.
  2. Designed to maintain collateral ligament stability throughout the range of motion. Stryker-Initiated Dynamic Computer Simulations of Passive ROM and Oxford Rig Test, Stephen Piazza, 2003.
  3. Wang H, Simpson KJ, Ferrara MS, Chamnongkich S, Kinsey T, Mahoney, OM. Biomechanical differences exhibited during sit-to-stand between total knee arthroplasty designs of varying radii. J Arthroplasty. 2006;21(8):1193-1199.
  4. Gómez-Barrena E, Fernandez-García C, Fernandez- Bravo A, Cutillas-Ruiz R, Bermejo-Fernandez G. Functional performance with a single-radius femoral design total knee arthroplasty. Clin Ortho Relates Res. 2010;468(5):1214-1220.
  5. Hampp E. et al. Robotic-Arm Assisted Total Knee Arthroplasty Demonstrated Greater Accuracy to Plan Compared to Manual Technique. Orthopaedic Research Society 2017 Annual Meeting, San Diego, CA. Poster No. 2412. March 20-22, 2017.

MKOHMT-PE-3_Rev-1_13841
Copyright © 2017 Stryker Corporation

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