Surgicraft Limited

Philip Hobson Hardcastle

Duncan Robert Keeble

A surgical implant ( ) for fusing adjacent vertebrae (V) together comprises a body portion ( ) with spaced arms ( ). The body portion ( ) has passages ( and ) to receive surgical fixing screws ( ) engaged in holes drilled in the vertebrae (V) for securing the body portion ( ) to the anterior faces of the vertebrae (V) to be fused. The arms ( ) extend into a prepared space between the vertebrae to be fused. Graft material is packed between the arms ( ). Each surgical fixing screw ( ) has an externally screw-threaded shank ( ) divided into wings which can be outwardly deformed to anchor the shank ( ) in the hole. Each surgical fixing screw ( ) also had a head ( ) which can be transformed between a laterally expanded condition and a laterally contracted condition to permit the head to be interlocked with the implant ( ).

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Wembley, Australia

Philip Hobson Hardcastle