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Chinese Journal of Medical Instrumentation ; (6): 255-258, 2009.
Artigo em Chinês | WPRIM | ID: wpr-329329

RESUMO

A high resolution Micro-CT system for small animal imaging is introduced in this paper. Micro-focus X-ray tube with focal diameter of 100 microm and flat panel detector with imaging area of 13cm x 13cm are adopted in this system. The data acquired in rotation scanning is reconstructed with cone beam algorithm. The resolving power of the detector is measured to be 31 lp/cm at 10% of the MTF. The resolution of the Micro-CT system could achieve 185 m when the magnification factor is 1.94. Thighbone of a rabbit is used as sample imaging with the system. The trabecular bone could be imaged clearly. And the ability of small animal imaging of the system has been demonstrated.


Assuntos
Animais , Coelhos , Desenho de Equipamento , Microtomografia por Raio-X
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