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利用Hall传感器设计了一个气管导管位置检测仪来快速检测气管导管的位置。气管插管时,Hall传感器探头固定在病人颈部皮肤上,顶端带有小磁铁的管芯随气管导管一起进入气管中,根据检测到的磁场强度的大小,测量出探头与磁铁间的距离,从而判断出气管导管的位置。经临床测试,该检测仪性能可靠,测量准确,可以用于教学及临床气管插管时气管导管的定位。
An endotracheal tube position detector was designed using the Hall sensor to quickly detect the endotracheal tube position. When the endotracheal tube is inserted, the Hall sensor probe is fixed on the skin of the patient’s neck. The top of the core with a small magnet enters the trachea along with the endotracheal tube. According to the magnitude of the detected magnetic field strength, the distance between the probe and the magnet is measured, To determine the position of the tracheal tube. The clinical test, the detector reliable performance, accurate measurement, can be used for teaching and clinical endotracheal tracheal catheter positioning.