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Signature Knee Custom Cutting System

In knee replacement the surfaces of the knee joint which are diseased or damaged are cut away to leave the correct amount of room to insert the new metal and plastic components. The direction, angles and amount of these cuts are vital if the implant is to be correctly positioned and take the bodily stresses in the way it is designed to.

The standard available sizes and shapes of knee replacement implants have served the needs of millions of people around the world but it is recognised that many people do not fit the standard size of shape models because of matters of size, race or gender.

Innovation has focussed on providing a more customised implant for an individual who may not suit the standard size combinations. The Signature total knee system is a step in that direction and allied with the Vanguard Complete Knee System, both supplied by Biomet, it allows for a more individualised approach to knee replacement.

In the new Signature knee replacement surgery an MRI scan is used to form a detailed 3D picture of the patient's knee anatomy, allowing clearer operation planning and the manufacture of custom alignment guides for the cuts to the joint surfaces.

In standard knee replacement the alignment guide instruments may be placed in the bones of the femur and the tibia, an invasive technique, whilst with the Signature system the guides are designed to fit exactly the outer contours of the individual's knee joint. This avoids further surgery and damage to the local anatomy.

Signature knee replacement allows increased customisation of the knee replacement process, making the knee components more likely to suit an individual's specific requirements.

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