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Patient-personalized Knee for Total Knee Replacement
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Patient Stories:
 Jack Meegan, Town of Delton
New Custom Knee Replacement at SPMHC:
The Biomet SignatureTM Knee
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Sixth in the world and first in Wisconsin to perform the surgery
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Over 150 surgeries since June 2008
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Five orthopedic surgeons
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3-D MRI for custom-made fit
With total knee replacement, the diseased bone and cartilage are removed and resurfaced with orthopedic implants designed to recreate the natural contours of healthy bones. Much like natural cartilage, the metal and polyethylene (plastic) implants allow the bones to smoothly glide against each other.
In June 2008, SPMHC became only the sixth facility in the world to offer the Signature™ Personalized Patient Care System by Biomet. The Signature system is unique. With typical knee replacement surgery, surgeons use X-rays to choose joint replacement component sizes. During the procedure they use an assortment of instruments to verify component sizing and establish proper positioning and alignment, and sometimes instruments need to be placed inside the femur and/or tibia to assist with alignment.
With the Signature system, a 3-D MRI of the patient's knee is used to create personalized positioning guides that don't require instrumentation of the bone canal, thus allowing for a potentially less invasive procedure. These cutting guides indicate exactly where bone cuts should be made so the knee replacement better fits the patient's unique anatomy. In addition, with this system, surgeons have access to a greater level of detail and precision for implant position and alignment before the procedure. This allows for personalized implant positioning and may help enhance surgical efficiency.
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