Methods Deep vein catheterization guided by ultrasound probe with or without needleguide bracket were operated on 65 patients who underwent failure clinic catheterization.
方法超声引导下徒手穿刺经导向器穿刺对65例患者行深静脉置管术。
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In radiofrequency ablation, imaging techniques such as ultrasound, computed tomography (ct) or magnetic resonance imaging (MRI) are used to help guide a needle electrode into a cancerous tumor.