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and we have a flexible, powered catheter with a special wire loop tip that stays inside the crunchy part of the marrow and follows the contours of the hip, as it moves around.
这种可弯曲的,有动力的中空管子 并带有特殊金属环状顶端,它能够进入骨髓海绵状的部分, 并沿着臀部的轮廓而移动采集。
for infected people tested in the second week, alternatively sample material can then be taken from the deep airways by suction catheter or coughing up material (sputum) can be used.
对于在感染后第二周进行检测的感染者,样本物可替换为通过吸痰管获得的深呼吸道提取物,或可以使用咳出物(痰液)。