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Ultrasonic body scan for foetal examination - has time control circuits to discriminate between foetal and parent breathing movements

机译:用于胎儿检查的超声波身体扫描-具有时间控制电路,可区分胎儿呼吸和父母呼吸运动

摘要

The foetal scanner operates with two ultrasonic transmitters/receivers (1, 2) mounted on a rotating axis under a focussing lens (5) and held to the abdomen of the mother (7) by a water lens (6). The control circuit has time delay controls which reject the breathing movement of the mother to enhance the display of the breathing movements of the foetus. The system can be tuned to discriminate between the breathing movements and blood pulses of the mother and foetus so that the doctor can accurately determine the state of the foetus.
机译:胎儿扫描仪通过两个超声波发射器/接收器(1、2)进行操作,该超声波发射器/接收器(1、2)安装在聚焦透镜(5)下方的旋转轴上,并通过水透镜(6)固定在母亲(7)的腹部。控制电路具有延时控制,该延时控制拒绝母亲的呼吸运动,以增强对胎儿呼吸运动的显示。该系统可以进行调整以区分母亲和胎儿的呼吸运动和脉搏,从而医生可以准确地确定胎儿的状态。

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