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''The Right Procedure and the Right Implant for the Right Patient''
Knee Navigation enables MIS to be pushed to its limits. The following attributes allow navigation to become integrated into total joint Arthroplasty as standard
- High camera accuracy technology
- Wireless instruments for landmark digitization
- Remote software control
- Customizable workflow
- Streamlined screen layout
In MIS, Navigation allows the surgeon to verify accuracy cuts in areas of decreased visibility . The Stryker Knee 3.0 Navigation module offers to control the alignment of the femoral and the tibial component as well as the resection level in real time. In addition, the system provides feedback and information relating to the patient’s soft tissue balancing.
Key Elements of the MIS Knee Programme
 
Left: Mr Sandeep Chauhan FRCS, UK. Performing an MIS TKA (mid vastus approach) with Navigation.
The potential benefits of an MIS Total Knee Arthroplasty -decreased blood loss, reduced hospital stay and increased range of motion are well documented. Ref 1. P. Bonutti. AAOS 2003. However, success of these procedures is dependant on a number of factors including:
Instrumentation
Instrumentation for MIS Knee Arthroplasty requires new and innovative solutions. ‘Down-sizing’ traditional instrumentation cannot fully address these issues. Stryker, through its expertise in this field, offers MIS specific instrumentation which is accurate, straightforward and easy to use.
Stryker Navigation MIS Anchoring syst. for orthopaedic application
6007-003-000 Pin Clamp Assembly with adjustable tracker interface
For 2 Pin (bicortical) or 3 Pin (unicortical) fixation. All pins can be angulated separately. Allows tracker alignment to the camera and increased stability.
Product not released yet, to get more information about the Ortholock, please contact your local Sales Representative
Technological Innovation -Navigation
The diversity of Stryker’s product offering and expertise within Orthopaedics facilitates an integrated approach to any new programme. This is most evident with the use of Navigation in MIS Knee Arthroplasty.
Stryker MIS Knee Instrumentation is compatible with Navigation. Computer assisted surgery (Navigation) is increasingly recognised as a key requirement for maximizing reproducibility, in a MIS TKA procedure.
"Accurate alignment of knee implants is essential for success in TKA"
(Scott Stulberg et al. CORR 354: 49-56 1998)
Clinical Results - Navigation
Variability of axial alignment of the mechanical axis.
Conventional Technique (120 patients) Vs Stryker Navigation System (120 patients).
Choice of implant
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Surgeon confidence in the implant is imperative. This is assured with Scorpio knee system. Its single radius design reduces anterior knee pain and promotes earlier patient rehabilitation.
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Ref 3. O.Mahoney. The effect of TKA design on extensor mechanism function.
The Journal of Arthroplasty. Vol 17 No 4 2002.
To get more informatin about the Scorpio knee, please click here
Surgeon training and patient education
An MIS TKA can be a technically demanding procedure for those unfamiliar with the technique. Stryker is committed to supporting Surgeon training programmes, including:
- MIS cadaveric courses
- Navigation training
- Surgeon visits to key Centres of Excellence
- National and International Scorpio knee meetings
For the patient we offer patient information booklets, videos etc, which are supplied by Stryker to the patient at the request of the Orthopaedic surgeon.
E. Rakebrand, MD, Germany
Success for Stryker is a happy and satisfied patient restored to an active lifestyle following a Total Knee Arthroplasty (TKA)
Stryker, in partnership with the Orthopaedic surgeon continually seeks to improve individual patient outcomes through innovative projects such as Navigation (computer assisted surgery) and Minimally invasive surgery (MIS) of the knee.
MIS Knee Navigation Literature
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Operative Technique Knee Surgery with Navigation (24 pages)
Literature Number 805 001 07LI
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Brochure MIS Navigation Knee (6 pages)
Literature Number 805 001 06LI
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Stryker MIS Joint replacement
Literature Number 805 001 00LI
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DVD
Literature Number 805 001 04LI
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