center frequency and application parts of bodyconvex probe :3.5MHz, can test deep depth, we also call it abdominal probe, usually inspect liver, kidney, abdominal. linear probe:7.5MHz, only test shallow depth, we also call it superficial probe, mainly inspect breast, arteries, neck blood flow, thyroid, facial organs, limbs. transvaginal probe : 6.5MHz, put the probe to internal body, usually inspect uterus, endometrial cancer, uterine fibroids, pelvic mass, follicular monitoring, early ectopic pregnancy (before break), early pregnancy, placenta previa phased probe: 3.0MHz, used as cardiac probe 凸阵探头中心频率一般是3.5MHZ,检测的深度比较深,我们称它腹部探头,通常检测肝脏,肾脏,小腹 高频线阵探头的中心频率一般是7MHZ以上,探测深度浅,也叫浅表探头,主要看乳腺,动脉,颈部血流、甲状腺、面部器官、四肢等 体腔探头中心频率一般是6.5MH,将探头直接放在体内进行超声检查,通常检测后位子宫、子宫内膜癌、子宫肌瘤、后盆腔肿块、卵泡监测、早期宫外孕(未破前)、早早孕、前置胎盘等 相控阵探头中心频率一般是3.0MHZ,一般作为心脏探头
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