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Biopsy needle jitter analysis

穿刺活检法是早期确诊癌症的最常用方法。该方法采用活检针刺入病人身体提取活性细胞组织进行检查。当前临床上穿刺活检面临的主要问题是组织提取量较少,取样精确度不高,其主要原因是活检针针尖结构不合理,从而导致穿刺过程中活检针发生了较大弯曲,待取样组织进入活检针困难。

活检针抖动1.png

通过高速摄像机观察活检针刺出瞬间抖动轨迹，根据轨迹判断击发机构是否合格，更好的掌握穿刺活检针穿刺力的变化规律，完成新型穿刺活检针的设计与评价，增加了活检针组织提取量，提升了穿刺取样效率。

活检针抖动2.png

活检针抖动3.png

活检针抖动4.png

某医疗器械生产企业采用千眼狼高速摄像机研究活检针抖动分析，提高活检针切削取样性能，为穿刺活检针的优化设计提供了新的发展方向。


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