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Measuring the vascularity within bone tissue using electrical contact impedance measurements
Measuring the vascularity within bone tissue using electrical contact impedance measurements
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机译：使用电接触阻抗测量来测量骨组织内的血管
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摘要
Two electrodes are provided between which electrical resistance through bone tissue is measured. The electrodes comprise one which may be attached to the patients hand or lip. The second electrode can be attached to a drill bit, screw tap, metallic implant or probe. The signal from the electrodes is A to D converted for analysis. The rate of change of resistance gives a measure of the rate of change of vascularity. The vascularity is related to bone vitality and so the system can provide an objective measurement of bone vitality, vascularity or the degree of necrosis.
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