Why use Stryker implants?

Knee implants to promote easier motion

If your quadriceps need to make less effort, motion is much easier. So, unlike traditional knee replacements, Stryker knee replacements are designed to work with the body to promote easier motion.

A study has shown a more rapid return to functional activities after surgery,2 due to the single radius design of the knee implant. This means that as your knee flexes, the radius is the same, similar to a circle, requiring less effort from your quadriceps muscle.1, 4, 7

As the thigh muscle (the quadricep) is attached to your knee, it is unavoidably involved in surgery and can become a source of discomfort or pain during your recovery period. This muscle plays an important role in your ability to move your legs so it also has a major impact on your recovery and how quickly you can get back to living your life.2

Knee implants designed to last longer

Several factors influence how long an implant will continue to perform. Stryker knees are designed to resist wear in many ways:

  • They use advanced bearing surfaces
  • They're designed to help avoid excessive stress in any one spot and
  • They're sized to better fit your personal anatomy.

The durability of knee implants depends on many things, including your weight and activity level, as well as the implant's bearing surface technology. The ‘bearing surface’ is the two parts of the knee that glide together throughout motion.

Stryker developed the Triathlon Knee System with X3 Advanced Bearing technology. Based on laboratory testing, Stryker's Triathlon Knee with X3 technology has demonstrated a lower wear rate which may result in a longer lasting implant.X3 is a patented technology only offered by Stryker. 8


Proven better results

Stryker’s Triathlon Knee had better results than other knee implants when measuring revision rates (the need to do a second surgery to resolve issues) on the National Joint Registry of England and Wales.6

Revision Rates for the Most Frequently Used Brands

  1. Ostermeier, S; Stukenborg-Colsman, C, Hannover Medical School (MHH) Hannover, Germany "Quadriceps force after TKA – a comparison between single and multiple radius designs", Poster No. 2060 • 56th Annual Meeting of the Orthopaedic Research Society.
  2. Harwin, S.F., Hitt, K, Greene, K.A. Early Experience with a New Total Knee Implant: Maximizing Range of Motion and Function with Gender-Specific Sizing Orthopedic Surgery, Surgical Technology International, XVI. pgs 1-7.
  3. Greene, K.A. Range of Motion: Early Results from the Triathlon® Knee System, Stryker Literature Ref # LSA56., 2005.
  4. Wang, H., Simpson, K.J., Ferrary M.S., Chamnongkich, S., Kinsey, T, Mahoney, O.M., Biomechanical Differences Exhibited During Sit-To-Stand Between Total Knee Arthroplasty Designs of Varying Radii, JOA, Vol. 21, No. 8, 2006.
  5. Stryker Orthopaedics Test Report: RD-06-013.
  6. The National Joint Registry of England and Wales. Annual Report 2010. Table 3.11 Based on mean Revision Rates at three years according to brands for knee replacement procedures undertaken between 1st April 2003 and 31st December 2009, which were linked to a HES/PEDWepisode.
  7. The effect of total knee arthroplasty design on extensor mechanism function, JOA, Vol. 17, Issue 4, June 2002, pp. 416-421.
  8. US Patent #7,714,036
Stryker Corporation or its divisions or other corporate affiliated entities own, use or have applied for the following trademarks or service marks: Stryker, Triathlon, X3. All other trademarks are trademarks of their respective owners or holders.
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Learn more about the knee implants your surgeon may use

Learn more about the knee implants your surgeon may use

Ask your surgeon for more details

Your surgeon can provide you with information on the knee replacement they feel is best suited to your situation, should surgery be an option for you.
If your surgeon uses Stryker products, ask them for a login to the Stryker Online Patient Resources, where you can learn more about the knee implant you may receive, what to expect during surgery, and what rehabilitation exercises you can do during your recovery. 

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Next Steps

Contact your GP or health professional to discuss your options