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The evolution of bone plate design has been with a view to reducing the interface contact between the plate and the underlying bone thereby limiting the perfusion deficiency that develops. Little consequence, however, has been attributed to the drilling of holes in the steps prior to bone plate application; the work present herein attempts to define the vascular response of bone to the trauma of drilling...
The acute vascular response in bone to surgical trauma was investigated utilizing a sheep model. Blood flow and distribution were determined using two methods; perfusion of the vasculature with an intravascular vital dye (Disulphine blue) prior to euthanasia and by radionuclide angiography (RNA) before and after each surgical intervention. The pattern of Disulphine blue distribution provided a good...
Biological fracture repair is becoming an increasingly popular means of fracture fixation. This technique involves a reduction in the amount of surgical trauma thereby preserving vascular supply and soft-tissue integrity combined with the implantation of less hardware. The aim is the stimulation of callus formation as the means by which fracture union occurs.This paper describes the mechanical effect...