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相关概念视频

Instrument Calibration01:12

Instrument Calibration

661
Instrument calibration is essential for ensuring that instruments produce accurate and consistent results. It is vital in manufacturing, healthcare, testing laboratories, and scientific research. Calibration processes are specific to each instrument and help enhance data accuracy. Each instrument has a unique calibration process tailored to its design and function to improve data accuracy.
Analytical Balance Calibration
An analytical balance measures mass and requires regular calibration to...
661

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在导管和手术针中基于光学频域反射计的形状传感器的设备特定校准方法.

Jacynthe Francoeur, Pierre Lorre, Iulian Iordachita

    Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference
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    概括

    光纤传感器的定制校准可以提高微创手术的准确性. 这提高了血管导管和前列腺手术针的精度,减少了对传统成像的依赖,并改善了患者的治疗结果.

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    科学领域:

    • 医疗器械 医疗器械
    • 生物医学工程 生物医学工程
    • 传感技术 传感技术

    背景情况:

    • 针对动脉疾病和前列腺癌的最小侵入性手术面临着导航和精确性的挑战.
    • 传统的成像方法在复杂的解剖学中存在精度限制.
    • 带有光频域反射计 (OFDR) 的光纤传感器提供了潜在的解决方案.

    研究的目的:

    • 开发和评估用于血管导管和前列腺手术针中的光纤传感器的定制校准技术.
    • 为了解决影响形状感应精度的设备特定特征.
    • 评估校准,工具特性和空间分辨率对形状重建的影响.

    主要方法:

    • 为集成到血管导管和前列腺手术针中的光纤传感器开发了定制校准协议.
    • 根据校准方法和工具特性评估形状重建的准确性.
    • 量化根平均平方误差 (RMSE) 对于导管和针校准.

    主要成果:

    • 导管校准给出了1.67 ± 0.77毫米 (0.4% ± 0.2%) 的RMSE.
    • 针校准实现了0.23 ± 0.14毫米 (0.2% ± 0.1%) 的RMSE.
    • 空间分辨率的影响并不显著,但被认为依赖于应用.

    结论:

    • 定制校准显著提高光纤形状传感的准确性和可靠性,用于最小侵入性工具.
    • 这些方法提高了安全性和精度,减少了对像光镜这样的成像技术的依赖.
    • 存在自动化潜力,有望改善临床结果和工作流程效率.