Investigators: Mr Iain McNamara, Professor Neil Rushton
Stream: MD
Topic: Surgical Techniques/Biomaterials
Status: Live
It is hypothesised that by assessing the properties of morcellised bone graft during and after impaction the optimum conditions to produce a stable graft can be assessed. On the basis of these results, sequential alterations in the mechanical parameters affecting graft impaction can be investigated. It is hoped that by measuring mechanical variables during impaction, the surgeon will be able to measure when the graft is optimally impacted and produced a reproducible graft intraoperatively.
It is hoped that this work will contribute to standardised method of impaction bone grafting that produces an optimal starting graft materials and reduces the risk of intraoperative fracture and subsequent implant failure. The aims of this study are:
- Establish the physical properties of the bone graft used in impaction grafting
- Examine how the graft properties differ with different preparation and methods of impaction
- Examine the three dimensional micro architecture of the impacted graft
- Examine the stability of the impacted graft upon insertion of an uncemented implant
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