Peter O'Reilly

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BACKGROUND AND PURPOSE Femoral impaction grafting requires vigorous impaction to obtain adequate stability without risk of fracture, but the force of impaction has not been determined. We determined this threshold force in a preliminary study using animal femurs. METHODS Adult sow femurs were used because of their morphological similarity to human femurs(More)
The stem of the bamboo plant consists of a hollow, tubular culm with periodic nodes, characterised by an internal diaphragm and an external ridge. Bamboo is a highly anisotropic material having a strong fibre orientation, but in the vicinity of the nodes, the fibres diverge from their longitudinal orientations. Previous researchers have claimed that the(More)
We present a case of a gentleman in his 70s with extensive subcutaneous emphysema. Usually self-limiting, subcutaneous emphysema around the thoracic inlet can rarely lead to airway and cardiovascular compromise by compression of structures in the neck. This patient presented with a large pneumothorax on a background of chronic obstructive pulmonary disease(More)
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